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annotate libinterp/corefcn/mappers.cc @ 20183:4e7f12a763cd stable

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doc: Remove typo of same word twice in a row. * data.cc (nzmax), mappers.cc (isinf), contourc.m, cylinder.m, ellipsoid.m: Remove typo of same word twice in a row.
author Rik <rik@octave.org>
date Tue, 12 May 2015 10:05:02 -0700
parents 4f45eaf83908
children 2d6ddb2b157c
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1 /*
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2
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3 Copyright (C) 1993-2015 John W. Eaton
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4 Copyright (C) 2009-2010 VZLU Prague
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5
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6 This file is part of Octave.
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7
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8 Octave is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 3 of the License, or (at your
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11 option) any later version.
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12
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13 Octave is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <http://www.gnu.org/licenses/>.
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22 */
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23
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24 #ifdef HAVE_CONFIG_H
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25 #include <config.h>
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26 #endif
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27
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28 #include <cctype>
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29 #include <cfloat>
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30
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31 #include "lo-ieee.h"
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32 #include "lo-specfun.h"
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33 #include "lo-mappers.h"
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34
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35 #include "defun.h"
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36 #include "error.h"
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37 #include "variables.h"
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38
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39 DEFUN (abs, args, ,
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40 "-*- texinfo -*-\n\
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41 @deftypefn {Mapping Function} {} abs (@var{z})\n\
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42 Compute the magnitude of @var{z}.\n\
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43 \n\
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44 The magnitude is defined as\n\
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45 @tex\n\
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46 $|z| = \\sqrt{x^2 + y^2}$.\n\
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47 @end tex\n\
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48 @ifnottex\n\
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49 |@var{z}| = @code{sqrt (x^2 + y^2)}.\n\
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50 @end ifnottex\n\
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51 \n\
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52 For example:\n\
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53 \n\
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54 @example\n\
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55 @group\n\
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56 abs (3 + 4i)\n\
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57 @result{} 5\n\
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58 @end group\n\
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59 @end example\n\
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60 @seealso{arg}\n\
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61 @end deftypefn")
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62 {
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63 octave_value retval;
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64 if (args.length () == 1)
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65 retval = args(0).abs ();
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66 else
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67 print_usage ();
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68
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69 return retval;
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70 }
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71
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72 /*
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73 %!assert (abs (1), 1)
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74 %!assert (abs (-3.5), 3.5)
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75 %!assert (abs (3+4i), 5)
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76 %!assert (abs (3-4i), 5)
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77 %!assert (abs ([1.1, 3i; 3+4i, -3-4i]), [1.1, 3; 5, 5])
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78
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79 %!assert (abs (single (1)), single (1))
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80 %!assert (abs (single (-3.5)), single (3.5))
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81 %!assert (abs (single (3+4i)), single (5))
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82 %!assert (abs (single (3-4i)), single (5))
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83 %!assert (abs (single ([1.1, 3i; 3+4i, -3-4i])), single ([1.1, 3; 5, 5]))
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84
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85 %!error abs ()
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86 %!error abs (1, 2)
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87 */
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88
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89 DEFUN (acos, args, ,
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90 "-*- texinfo -*-\n\
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91 @deftypefn {Mapping Function} {} acos (@var{x})\n\
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92 Compute the inverse cosine in radians for each element of @var{x}.\n\
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93 @seealso{cos, acosd}\n\
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94 @end deftypefn")
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95 {
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96 octave_value retval;
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97 if (args.length () == 1)
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98 retval = args(0).acos ();
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99 else
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100 print_usage ();
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101
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102 return retval;
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103 }
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104
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105 /*
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106 %!shared rt2, rt3
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107 %! rt2 = sqrt (2);
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108 %! rt3 = sqrt (3);
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109
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110 %!test
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111 %! x = [1, rt3/2, rt2/2, 1/2, 0, -1/2, -rt2/2, -rt3/2, -1];
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112 %! v = [0, pi/6, pi/4, pi/3, pi/2, 2*pi/3, 3*pi/4, 5*pi/6, pi];
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113 %! assert (acos (x), v, sqrt (eps));
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114
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115 %!test
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116 %! x = single ([1, rt3/2, rt2/2, 1/2, 0, -1/2, -rt2/2, -rt3/2, -1]);
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117 %! v = single ([0, pi/6, pi/4, pi/3, pi/2, 2*pi/3, 3*pi/4, 5*pi/6, pi]);
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118 %! assert (acos (x), v, sqrt (eps ("single")));
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119
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120 ## Test values on either side of branch cut
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121 %!test
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122 %! rval = 0;
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123 %! ival = 1.31695789692481635;
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124 %! obs = acos ([2, 2-i*eps, 2+i*eps]);
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125 %! exp = [rval + ival*i, rval + ival*i, rval - ival*i];
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126 %! assert (obs, exp, 2*eps);
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127 %! rval = pi;
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128 %! obs = acos ([-2, -2-i*eps, -2+i*eps]);
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129 %! exp = [rval - ival*i, rval + ival*i, rval - ival*i];
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130 %! assert (obs, exp, 2*eps);
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131 %! assert (acos ([2 0]), [ival*i, pi/2], 2*eps);
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132 %! assert (acos ([2 0i]), [ival*i, pi/2], 2*eps);
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133
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134 %!error acos ()
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135 %!error acos (1, 2)
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136 */
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137
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138 DEFUN (acosh, args, ,
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139 "-*- texinfo -*-\n\
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140 @deftypefn {Mapping Function} {} acosh (@var{x})\n\
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141 Compute the inverse hyperbolic cosine for each element of @var{x}.\n\
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142 @seealso{cosh}\n\
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143 @end deftypefn")
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144 {
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145 octave_value retval;
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146 if (args.length () == 1)
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147 retval = args(0).acosh ();
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148 else
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149 print_usage ();
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150
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151 return retval;
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152 }
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153
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154 /*
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155 %!test
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156 %! x = [1, 0, -1, 0];
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157 %! v = [0, pi/2*i, pi*i, pi/2*i];
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158 %! assert (acosh (x), v, sqrt (eps));
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159
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160 %!test
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161 %! re = 2.99822295029797;
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162 %! im = pi/2;
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163 %! assert (acosh (-10i), re - i*im);
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164
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165 %!test
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166 %! x = single ([1, 0, -1, 0]);
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167 %! v = single ([0, pi/2*i, pi*i, pi/2*i]);
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168 %! assert (acosh (x), v, sqrt (eps ("single")));
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169
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170 %!test
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171 %! re = single (2.99822295029797);
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172 %! im = single (pi/2);
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173 %! assert (acosh (single (10i)), re + i*im, 5*eps ("single"));
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174 %! assert (acosh (single (-10i)), re - i*im, 5*eps ("single"));
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175
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176 %!error acosh ()
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177 %!error acosh (1, 2)
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178 */
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179
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180 DEFUN (angle, args, ,
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181 "-*- texinfo -*-\n\
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182 @deftypefn {Mapping Function} {} angle (@var{z})\n\
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183 See @code{arg}.\n\
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184 @seealso{arg}\n\
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185 @end deftypefn")
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186 {
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187 octave_value retval;
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188 if (args.length () == 1)
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189 retval = args(0).arg ();
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190 else
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191 print_usage ();
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192
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193 return retval;
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194 }
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195
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196 DEFUN (arg, args, ,
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197 "-*- texinfo -*-\n\
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198 @deftypefn {Mapping Function} {} arg (@var{z})\n\
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199 @deftypefnx {Mapping Function} {} angle (@var{z})\n\
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200 Compute the argument, i.e., angle of @var{z}.\n\
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201 \n\
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202 This is defined as,\n\
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203 @tex\n\
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204 $\\theta = atan2 (y, x),$\n\
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205 @end tex\n\
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206 @ifnottex\n\
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207 @var{theta} = @code{atan2 (@var{y}, @var{x})},\n\
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208 @end ifnottex\n\
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209 in radians.\n\
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210 \n\
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211 For example:\n\
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212 \n\
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213 @example\n\
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214 @group\n\
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215 arg (3 + 4i)\n\
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216 @result{} 0.92730\n\
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217 @end group\n\
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218 @end example\n\
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219 @seealso{abs}\n\
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220 @end deftypefn")
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221 {
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222 octave_value retval;
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223 if (args.length () == 1)
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224 retval = args(0).arg ();
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225 else
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226 print_usage ();
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227
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228 return retval;
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229 }
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230
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231 /*
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232 %!assert (arg (1), 0)
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233 %!assert (arg (i), pi/2)
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234 %!assert (arg (-1), pi)
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235 %!assert (arg (-i), -pi/2)
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236 %!assert (arg ([1, i; -1, -i]), [0, pi/2; pi, -pi/2])
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237
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238 %!assert (arg (single (1)), single (0))
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239 %!assert (arg (single (i)), single (pi/2))
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240 %!test
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241 %! if (ismac ())
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242 %! ## Avoid failing for a MacOS feature
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243 %! assert (arg (single (-1)), single (pi), 2*eps (single (1)));
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244 %! else
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245 %! assert (arg (single (-1)), single (pi));
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246 %! endif
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247 %!assert (arg (single (-i)), single (-pi/2))
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248 %!assert (arg (single ([1, i; -1, -i])), single ([0, pi/2; pi, -pi/2]), 2e1*eps ("single"))
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249
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250 %!error arg ()
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251 %!error arg (1, 2)
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252 */
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253
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254 DEFUN (asin, args, ,
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255 "-*- texinfo -*-\n\
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256 @deftypefn {Mapping Function} {} asin (@var{x})\n\
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257 Compute the inverse sine in radians for each element of @var{x}.\n\
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258 @seealso{sin, asind}\n\
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259 @end deftypefn")
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260 {
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261 octave_value retval;
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262 if (args.length () == 1)
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263 retval = args(0).asin ();
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264 else
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265 print_usage ();
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266
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267 return retval;
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268 }
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269
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270 /*
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271 %!shared rt2, rt3
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272 %! rt2 = sqrt (2);
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273 %! rt3 = sqrt (3);
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274
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275 %!test
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276 %! x = [0, 1/2, rt2/2, rt3/2, 1, rt3/2, rt2/2, 1/2, 0];
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277 %! v = [0, pi/6, pi/4, pi/3, pi/2, pi/3, pi/4, pi/6, 0];
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278 %! assert (asin (x), v, sqrt (eps));
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279
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280 %!test
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281 %! x = single ([0, 1/2, rt2/2, rt3/2, 1, rt3/2, rt2/2, 1/2, 0]);
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282 %! v = single ([0, pi/6, pi/4, pi/3, pi/2, pi/3, pi/4, pi/6, 0]);
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283 %! assert (asin (x), v, sqrt (eps ("single")));
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284
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285 ## Test values on either side of branch cut
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286 %!test
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287 %! rval = pi/2;
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288 %! ival = 1.31695789692481635;
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289 %! obs = asin ([2, 2-i*eps, 2+i*eps]);
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290 %! exp = [rval - ival*i, rval - ival*i, rval + ival*i];
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291 %! assert (obs, exp, 2*eps);
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292 %! obs = asin ([-2, -2-i*eps, -2+i*eps]);
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293 %! exp = [-rval + ival*i, -rval - ival*i, -rval + ival*i];
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294 %! assert (obs, exp, 2*eps);
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295 %! assert (asin ([2 0]), [rval - ival*i, 0], 2*eps);
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296 %! assert (asin ([2 0i]), [rval - ival*i, 0], 2*eps);
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297
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298 %!error asin ()
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299 %!error asin (1, 2)
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300 */
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301
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302 DEFUN (asinh, args, ,
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303 "-*- texinfo -*-\n\
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304 @deftypefn {Mapping Function} {} asinh (@var{x})\n\
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305 Compute the inverse hyperbolic sine for each element of @var{x}.\n\
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306 @seealso{sinh}\n\
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307 @end deftypefn")
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308 {
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309 octave_value retval;
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310 if (args.length () == 1)
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311 retval = args(0).asinh ();
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312 else
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313 print_usage ();
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314
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315 return retval;
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316 }
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317
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318 /*
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319 %!test
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320 %! v = [0, pi/2*i, 0, -pi/2*i];
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321 %! x = [0, i, 0, -i];
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322 %! assert (asinh (x), v, sqrt (eps));
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323
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324 %!test
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325 %! v = single ([0, pi/2*i, 0, -pi/2*i]);
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326 %! x = single ([0, i, 0, -i]);
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327 %! assert (asinh (x), v, sqrt (eps ("single")));
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328
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329 %!error asinh ()
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330 %!error asinh (1, 2)
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331 */
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332
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333 DEFUN (atan, args, ,
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334 "-*- texinfo -*-\n\
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335 @deftypefn {Mapping Function} {} atan (@var{x})\n\
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336 Compute the inverse tangent in radians for each element of @var{x}.\n\
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337 @seealso{tan, atand}\n\
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338 @end deftypefn")
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339 {
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340 octave_value retval;
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341 if (args.length () == 1)
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342 retval = args(0).atan ();
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343 else
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344 print_usage ();
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345
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346 return retval;
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347 }
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348
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349 /*
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350 %!shared rt2, rt3
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351 %! rt2 = sqrt (2);
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352 %! rt3 = sqrt (3);
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353
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354 %!test
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355 %! v = [0, pi/6, pi/4, pi/3, -pi/3, -pi/4, -pi/6, 0];
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356 %! x = [0, rt3/3, 1, rt3, -rt3, -1, -rt3/3, 0];
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357 %! assert (atan (x), v, sqrt (eps));
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358
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359 %!test
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360 %! v = single ([0, pi/6, pi/4, pi/3, -pi/3, -pi/4, -pi/6, 0]);
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361 %! x = single ([0, rt3/3, 1, rt3, -rt3, -1, -rt3/3, 0]);
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362 %! assert (atan (x), v, sqrt (eps ("single")));
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363
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364 %!error atan ()
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365 %!error atan (1, 2)
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366 */
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367
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368 DEFUN (atanh, args, ,
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369 "-*- texinfo -*-\n\
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370 @deftypefn {Mapping Function} {} atanh (@var{x})\n\
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371 Compute the inverse hyperbolic tangent for each element of @var{x}.\n\
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372 @seealso{tanh}\n\
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373 @end deftypefn")
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374 {
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375 octave_value retval;
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376 if (args.length () == 1)
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377 retval = args(0).atanh ();
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378 else
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379 print_usage ();
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380
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381 return retval;
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382 }
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383
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384 /*
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385 %!test
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386 %! v = [0, 0];
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387 %! x = [0, 0];
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388 %! assert (atanh (x), v, sqrt (eps));
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389
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390 %!test
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391 %! v = single ([0, 0]);
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392 %! x = single ([0, 0]);
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393 %! assert (atanh (x), v, sqrt (eps ("single")));
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394
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395 %!error atanh ()
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396 %!error atanh (1, 2)
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397 */
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398
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399 DEFUN (cbrt, args, ,
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400 "-*- texinfo -*-\n\
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401 @deftypefn {Mapping Function} {} cbrt (@var{x})\n\
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402 Compute the real cube root of each element of @var{x}.\n\
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403 \n\
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404 Unlike @code{@var{x}^(1/3)}, the result will be negative if @var{x} is\n\
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405 negative.\n\
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406 @seealso{nthroot}\n\
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407 @end deftypefn")
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408 {
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409 octave_value retval;
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diff changeset
410 if (args.length () == 1)
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411 retval = args(0).cbrt ();
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412 else
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413 print_usage ();
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414
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415 return retval;
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parents: 10391
diff changeset
416 }
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parents: 10391
diff changeset
417
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418 /*
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419 %!assert (cbrt (64), 4)
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420 %!assert (cbrt (-125), -5)
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diff changeset
421 %!assert (cbrt (0), 0)
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diff changeset
422 %!assert (cbrt (Inf), Inf)
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423 %!assert (cbrt (-Inf), -Inf)
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diff changeset
424 %!assert (cbrt (NaN), NaN)
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diff changeset
425 %!assert (cbrt (2^300), 2^100)
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426 %!assert (cbrt (125*2^300), 5*2^100)
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427
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428 %!error cbrt ()
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429 %!error cbrt (1, 2)
10414
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430 */
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431
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432 DEFUN (ceil, args, ,
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diff changeset
433 "-*- texinfo -*-\n\
3373
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jwe
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434 @deftypefn {Mapping Function} {} ceil (@var{x})\n\
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435 Return the smallest integer not less than @var{x}.\n\
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436 \n\
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437 This is equivalent to rounding towards positive infinity.\n\
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438 \n\
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439 If @var{x} is complex, return\n\
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440 @code{ceil (real (@var{x})) + ceil (imag (@var{x})) * I}.\n\
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441 \n\
9141
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442 @example\n\
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443 @group\n\
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444 ceil ([-2.7, 2.7])\n\
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445 @result{} -2 3\n\
9141
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446 @end group\n\
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447 @end example\n\
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448 @seealso{floor, round, fix}\n\
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449 @end deftypefn")
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450 {
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451 octave_value retval;
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452 if (args.length () == 1)
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453 retval = args(0).ceil ();
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454 else
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455 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
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456
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457 return retval;
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diff changeset
458 }
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diff changeset
459
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diff changeset
460 /*
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461 ## double precision
13972
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462 %!assert (ceil ([2, 1.1, -1.1, -1]), [2, 2, -1, -1])
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diff changeset
463
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diff changeset
464 ## complex double precison
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diff changeset
465 %!assert (ceil ([2+2i, 1.1+1.1i, -1.1-1.1i, -1-i]), [2+2i, 2+2i, -1-i, -1-i])
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466
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diff changeset
467 ## single precision
13972
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diff changeset
468 %!assert (ceil (single ([2, 1.1, -1.1, -1])), single ([2, 2, -1, -1]))
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diff changeset
469
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diff changeset
470 ## complex single precision
13972
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diff changeset
471 %!assert (ceil (single ([2+2i, 1.1+1.1i, -1.1-1.1i, -1-i])), single ([2+2i, 2+2i, -1-i, -1-i]))
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diff changeset
472
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473 %!error ceil ()
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474 %!error ceil (1, 2)
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475 */
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diff changeset
476
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diff changeset
477 DEFUN (conj, args, ,
17787
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Rik <rik@octave.org>
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diff changeset
478 "-*- texinfo -*-\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
479 @deftypefn {Mapping Function} {} conj (@var{z})\n\
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diff changeset
480 Return the complex conjugate of @var{z}.\n\
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diff changeset
481 \n\
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diff changeset
482 The complex conjugate is defined as\n\
3321
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diff changeset
483 @tex\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
484 $\\bar{z} = x - iy$.\n\
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jwe
parents: 3249
diff changeset
485 @end tex\n\
8517
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sh@sh-laptop
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diff changeset
486 @ifnottex\n\
3321
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diff changeset
487 @code{conj (@var{z})} = @var{x} - @var{i}@var{y}.\n\
8517
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diff changeset
488 @end ifnottex\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5518
diff changeset
489 @seealso{real, imag}\n\
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diff changeset
490 @end deftypefn")
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diff changeset
491 {
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diff changeset
492 octave_value retval;
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diff changeset
493 if (args.length () == 1)
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494 retval = args(0).conj ();
7503
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495 else
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diff changeset
496 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
497
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498 return retval;
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diff changeset
499 }
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diff changeset
500
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501 /*
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diff changeset
502 %!assert (conj (1), 1)
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diff changeset
503 %!assert (conj (i), -i)
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diff changeset
504 %!assert (conj (1+i), 1-i)
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diff changeset
505 %!assert (conj (1-i), 1+i)
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diff changeset
506 %!assert (conj ([-1, -i; -1+i, -1-i]), [-1, i; -1-i, -1+i])
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diff changeset
507
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diff changeset
508 %!assert (conj (single (1)), single (1))
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diff changeset
509 %!assert (conj (single (i)), single (-i))
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diff changeset
510 %!assert (conj (single (1+i)), single (1-i))
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diff changeset
511 %!assert (conj (single (1-i)), single (1+i))
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diff changeset
512 %!assert (conj (single ([-1, -i; -1+i, -1-i])), single ([-1, i; -1-i, -1+i]))
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diff changeset
513
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diff changeset
514 %!error conj ()
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diff changeset
515 %!error conj (1, 2)
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diff changeset
516 */
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diff changeset
517
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diff changeset
518 DEFUN (cos, args, ,
17787
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diff changeset
519 "-*- texinfo -*-\n\
3428
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diff changeset
520 @deftypefn {Mapping Function} {} cos (@var{x})\n\
9155
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diff changeset
521 Compute the cosine for each element of @var{x} in radians.\n\
ad20b967e1c9 Update section 17.3 (Trigonometry) of arith.txi
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diff changeset
522 @seealso{acos, cosd, cosh}\n\
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diff changeset
523 @end deftypefn")
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diff changeset
524 {
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diff changeset
525 octave_value retval;
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diff changeset
526 if (args.length () == 1)
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527 retval = args(0).cos ();
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528 else
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529 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
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diff changeset
530
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diff changeset
531 return retval;
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diff changeset
532 }
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533
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534 /*
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diff changeset
535 %!shared rt2, rt3
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diff changeset
536 %! rt2 = sqrt (2);
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537 %! rt3 = sqrt (3);
13972
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diff changeset
538
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diff changeset
539 %!test
7815
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diff changeset
540 %! x = [0, pi/6, pi/4, pi/3, pi/2, 2*pi/3, 3*pi/4, 5*pi/6, pi];
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David Bateman <dbateman@free.fr>
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diff changeset
541 %! v = [1, rt3/2, rt2/2, 1/2, 0, -1/2, -rt2/2, -rt3/2, -1];
13972
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diff changeset
542 %! assert (cos (x), v, sqrt (eps));
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diff changeset
543
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diff changeset
544 %!test
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
545 %! rt2 = sqrt (2);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
546 %! rt3 = sqrt (3);
13972
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Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
547 %! x = single ([0, pi/6, pi/4, pi/3, pi/2, 2*pi/3, 3*pi/4, 5*pi/6, pi]);
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
548 %! v = single ([1, rt3/2, rt2/2, 1/2, 0, -1/2, -rt2/2, -rt3/2, -1]);
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
549 %! assert (cos (x), v, sqrt (eps ("single")));
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
550
13972
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Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
551 %!error cos ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
552 %!error cos (1, 2)
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
553 */
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
554
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
555 DEFUN (cosh, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
556 "-*- texinfo -*-\n\
3428
5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe]
jwe
parents: 3411
diff changeset
557 @deftypefn {Mapping Function} {} cosh (@var{x})\n\
9155
ad20b967e1c9 Update section 17.3 (Trigonometry) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9154
diff changeset
558 Compute the hyperbolic cosine for each element of @var{x}.\n\
ad20b967e1c9 Update section 17.3 (Trigonometry) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9154
diff changeset
559 @seealso{acosh, sinh, tanh}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
560 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
561 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
562 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
563 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
564 retval = args(0).cosh ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
565 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
566 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
567
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
568 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
569 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
570
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
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diff changeset
571 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
572 %!test
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
573 %! x = [0, pi/2*i, pi*i, 3*pi/2*i];
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
574 %! v = [1, 0, -1, 0];
13972
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Rik <octave@nomad.inbox5.com>
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diff changeset
575 %! assert (cosh (x), v, sqrt (eps));
7815
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David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
576
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
577 %!test
13972
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Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
578 %! x = single ([0, pi/2*i, pi*i, 3*pi/2*i]);
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
579 %! v = single ([1, 0, -1, 0]);
14429
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Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
580 %! assert (cosh (x), v, sqrt (eps ("single")));
7815
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David Bateman <dbateman@free.fr>
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diff changeset
581
13972
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Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
582 %!error cosh ()
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Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
583 %!error cosh (1, 2)
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
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diff changeset
584 */
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
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diff changeset
585
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
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diff changeset
586 DEFUN (erf, args, ,
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175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
587 "-*- texinfo -*-\n\
3321
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jwe
parents: 3249
diff changeset
588 @deftypefn {Mapping Function} {} erf (@var{z})\n\
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4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
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diff changeset
589 Compute the error function.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
590 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
591 The error function is defined as\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
592 @tex\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
593 $$\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
594 {\\rm erf} (z) = {2 \\over \\sqrt{\\pi}}\\int_0^z e^{-t^2} dt\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
595 $$\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
596 @end tex\n\
8517
81d6ab3ac93c Allow documentation tobe built for other formats than tex and info
sh@sh-laptop
parents: 8459
diff changeset
597 @ifnottex\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
598 \n\
9153
5247e89688e1 Eliminate most overfull errors when running texi2pdf for generating pdf documentation
Rik <rdrider0-list@yahoo.com>
parents: 9141
diff changeset
599 @example\n\
9155
ad20b967e1c9 Update section 17.3 (Trigonometry) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9154
diff changeset
600 @group\n\
14437
62a2ef6c09a4 doc: Correct spacing of integrals in Info version of docstrings.
Rik <octave@nomad.inbox5.com>
parents: 14429
diff changeset
601 z\n\
62a2ef6c09a4 doc: Correct spacing of integrals in Info version of docstrings.
Rik <octave@nomad.inbox5.com>
parents: 14429
diff changeset
602 2 /\n\
62a2ef6c09a4 doc: Correct spacing of integrals in Info version of docstrings.
Rik <octave@nomad.inbox5.com>
parents: 14429
diff changeset
603 erf (z) = --------- * | e^(-t^2) dt\n\
62a2ef6c09a4 doc: Correct spacing of integrals in Info version of docstrings.
Rik <octave@nomad.inbox5.com>
parents: 14429
diff changeset
604 sqrt (pi) /\n\
62a2ef6c09a4 doc: Correct spacing of integrals in Info version of docstrings.
Rik <octave@nomad.inbox5.com>
parents: 14429
diff changeset
605 t=0\n\
9155
ad20b967e1c9 Update section 17.3 (Trigonometry) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9154
diff changeset
606 @end group\n\
9153
5247e89688e1 Eliminate most overfull errors when running texi2pdf for generating pdf documentation
Rik <rdrider0-list@yahoo.com>
parents: 9141
diff changeset
607 @end example\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10711
diff changeset
608 \n\
8517
81d6ab3ac93c Allow documentation tobe built for other formats than tex and info
sh@sh-laptop
parents: 8459
diff changeset
609 @end ifnottex\n\
15696
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
610 @seealso{erfc, erfcx, erfi, dawson, erfinv, erfcinv}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
611 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
612 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
613 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
614 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
615 retval = args(0).erf ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
616 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
617 print_usage ();
624
1a7dea6fa26b [project @ 1994-08-17 16:19:40 by jwe]
jwe
parents: 529
diff changeset
618
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
619 return retval;
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diff changeset
620 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
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diff changeset
621
7667
fb3a6c53c2b2 Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
David Bateman <dbateman@free.fr>
parents: 7638
diff changeset
622 /*
fb3a6c53c2b2 Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
David Bateman <dbateman@free.fr>
parents: 7638
diff changeset
623 %!test
13972
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Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
624 %! a = -1i*sqrt (-1/(6.4187*6.4187));
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
625 %! assert (erf (a), erf (real (a)));
7667
fb3a6c53c2b2 Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
David Bateman <dbateman@free.fr>
parents: 7638
diff changeset
626
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
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diff changeset
627 %!test
13972
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Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
628 %! x = [0,.5,1];
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
629 %! v = [0, .520499877813047, .842700792949715];
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
630 %! assert (erf (x), v, 1.e-10);
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
631 %! assert (erf (-x), -v, 1.e-10);
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
632 %! assert (erfc (x), 1-v, 1.e-10);
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
633 %! assert (erfinv (v), x, 1.e-10);
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
634
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
635 %!test
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
636 %! a = -1i*sqrt (single (-1/(6.4187*6.4187)));
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
637 %! assert (erf (a), erf (real (a)));
7815
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David Bateman <dbateman@free.fr>
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diff changeset
638
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
639 %!test
13972
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Rik <octave@nomad.inbox5.com>
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diff changeset
640 %! x = single ([0,.5,1]);
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Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
641 %! v = single ([0, .520499877813047, .842700792949715]);
14429
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Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
642 %! assert (erf (x), v, 1.e-6);
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
643 %! assert (erf (-x), -v, 1.e-6);
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
644 %! assert (erfc (x), 1-v, 1.e-6);
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
645 %! assert (erfinv (v), x, 1.e-6);
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
646
15696
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
647 %!test
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
648 %! x = [1+2i,-1+2i,1e-6+2e-6i,0+2i];
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
649 %! v = [-0.53664356577857-5.04914370344703i, 0.536643565778565-5.04914370344703i, 0.112837916709965e-5+0.225675833419178e-5i, 18.5648024145755526i];
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
650 %! assert (erf (x), v, -1.e-10);
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
651 %! assert (erf (-x), -v, -1.e-10);
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
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diff changeset
652 %! assert (erfc (x), 1-v, -1.e-10);
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
653
13972
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Rik <octave@nomad.inbox5.com>
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diff changeset
654 %!error erf ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
655 %!error erf (1, 2)
7667
fb3a6c53c2b2 Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
David Bateman <dbateman@free.fr>
parents: 7638
diff changeset
656 */
fb3a6c53c2b2 Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
David Bateman <dbateman@free.fr>
parents: 7638
diff changeset
657
9835
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
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diff changeset
658 DEFUN (erfinv, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
659 "-*- texinfo -*-\n\
9835
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
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diff changeset
660 @deftypefn {Mapping Function} {} erfinv (@var{x})\n\
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Rik <rik@octave.org>
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diff changeset
661 Compute the inverse error function.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
662 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
663 The inverse error function is defined such that\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10711
diff changeset
664 \n\
9835
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
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diff changeset
665 @example\n\
14360
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
666 erf (@var{y}) == @var{x}\n\
9835
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Jaroslav Hajek <highegg@gmail.com>
parents: 9813
diff changeset
667 @end example\n\
15696
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
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diff changeset
668 @seealso{erf, erfc, erfcx, erfi, dawson, erfcinv}\n\
9835
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diff changeset
669 @end deftypefn")
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Jaroslav Hajek <highegg@gmail.com>
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diff changeset
670 {
1bb1ed717d2f implement built-in erfinv
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diff changeset
671 octave_value retval;
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
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diff changeset
672 if (args.length () == 1)
1bb1ed717d2f implement built-in erfinv
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parents: 9813
diff changeset
673 retval = args(0).erfinv ();
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
parents: 9813
diff changeset
674 else
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
parents: 9813
diff changeset
675 print_usage ();
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
parents: 9813
diff changeset
676
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
parents: 9813
diff changeset
677 return retval;
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
parents: 9813
diff changeset
678 }
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
parents: 9813
diff changeset
679
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
parents: 9813
diff changeset
680 /*
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
681 ## middle region
10049
44e889c67abe mappers.cc: Change test tolerance from 1e-16 to eps.
Ben Abbott <bpabbott@mac.com>
parents: 9835
diff changeset
682 %!assert (erf (erfinv ([-0.9 -0.3 0 0.4 0.8])), [-0.9 -0.3 0 0.4 0.8], eps)
14771
10ed11922f19 maint: code cleanup for new erfcinv function.
Rik <octave@nomad.inbox5.com>
parents: 14770
diff changeset
683 %!assert (erf (erfinv (single ([-0.9 -0.3 0 0.4 0.8]))), single ([-0.9 -0.3 0 0.4 0.8]), eps ("single"))
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
684 ## tail region
10049
44e889c67abe mappers.cc: Change test tolerance from 1e-16 to eps.
Ben Abbott <bpabbott@mac.com>
parents: 9835
diff changeset
685 %!assert (erf (erfinv ([-0.999 -0.99 0.9999 0.99999])), [-0.999 -0.99 0.9999 0.99999], eps)
14771
10ed11922f19 maint: code cleanup for new erfcinv function.
Rik <octave@nomad.inbox5.com>
parents: 14770
diff changeset
686 %!assert (erf (erfinv (single ([-0.999 -0.99 0.9999 0.99999]))), single ([-0.999 -0.99 0.9999 0.99999]), eps ("single"))
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
687 ## backward - loss of accuracy
9835
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
parents: 9813
diff changeset
688 %!assert (erfinv (erf ([-3 -1 -0.4 0.7 1.3 2.8])), [-3 -1 -0.4 0.7 1.3 2.8], -1e-12)
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
parents: 9813
diff changeset
689 %!assert (erfinv (erf (single ([-3 -1 -0.4 0.7 1.3 2.8]))), single ([-3 -1 -0.4 0.7 1.3 2.8]), -1e-4)
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
690 ## exceptional
9835
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
parents: 9813
diff changeset
691 %!assert (erfinv ([-1, 1, 1.1, -2.1]), [-Inf, Inf, NaN, NaN])
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
parents: 9813
diff changeset
692 %!error erfinv (1+2i)
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
693
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
694 %!error erfinv ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
695 %!error erfinv (1, 2)
9835
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
parents: 9813
diff changeset
696 */
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
parents: 9813
diff changeset
697
14770
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
698 DEFUN (erfcinv, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
699 "-*- texinfo -*-\n\
14770
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
700 @deftypefn {Mapping Function} {} erfcinv (@var{x})\n\
20172
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
701 Compute the inverse complementary error function.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
702 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
703 The inverse complementary error function is defined such that\n\
14770
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
704 \n\
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
705 @example\n\
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
706 erfc (@var{y}) == @var{x}\n\
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
707 @end example\n\
15696
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
708 @seealso{erfc, erf, erfcx, erfi, dawson, erfinv}\n\
14770
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
709 @end deftypefn")
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
710 {
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
711 octave_value retval;
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
712 if (args.length () == 1)
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
713 retval = args(0).erfcinv ();
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
714 else
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
715 print_usage ();
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
716
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
717 return retval;
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
718 }
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
719
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
720 /*
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
721 ## middle region
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
722 %!assert (erfc (erfcinv ([1.9 1.3 1 0.6 0.2])), [1.9 1.3 1 0.6 0.2], eps)
14771
10ed11922f19 maint: code cleanup for new erfcinv function.
Rik <octave@nomad.inbox5.com>
parents: 14770
diff changeset
723 %!assert (erfc (erfcinv (single ([1.9 1.3 1 0.6 0.2]))), single ([1.9 1.3 1 0.6 0.2]), eps ("single"))
14770
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
724 ## tail region
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
725 %!assert (erfc (erfcinv ([0.001 0.01 1.9999 1.99999])), [0.001 0.01 1.9999 1.99999], eps)
14771
10ed11922f19 maint: code cleanup for new erfcinv function.
Rik <octave@nomad.inbox5.com>
parents: 14770
diff changeset
726 %!assert (erfc (erfcinv (single ([0.001 0.01 1.9999 1.99999]))), single ([0.001 0.01 1.9999 1.99999]), eps ("single"))
14770
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
727 ## backward - loss of accuracy
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
728 %!assert (erfcinv (erfc ([-3 -1 -0.4 0.7 1.3 2.8])), [-3 -1 -0.4 0.7 1.3 2.8], -1e-12)
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
729 %!assert (erfcinv (erfc (single ([-3 -1 -0.4 0.7 1.3 2.8]))), single ([-3 -1 -0.4 0.7 1.3 2.8]), -1e-4)
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
730 ## exceptional
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
731 %!assert (erfcinv ([2, 0, -0.1, 2.1]), [-Inf, Inf, NaN, NaN])
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
732 %!error erfcinv (1+2i)
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
733
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
734 %!error erfcinv ()
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
735 %!error erfcinv (1, 2)
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
736 */
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14437
diff changeset
737
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
738 DEFUN (erfc, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
739 "-*- texinfo -*-\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
740 @deftypefn {Mapping Function} {} erfc (@var{z})\n\
20172
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
741 Compute the complementary error function.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
742 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
743 The complementary error function is defined as\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
744 @tex\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
745 $1 - {\\rm erf} (z)$.\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
746 @end tex\n\
8517
81d6ab3ac93c Allow documentation tobe built for other formats than tex and info
sh@sh-laptop
parents: 8459
diff changeset
747 @ifnottex\n\
12654
20e64dab6896 doc: Correct spacing in erf and gamma documentation in INFO mode.
Rik <octave@nomad.inbox5.com>
parents: 12642
diff changeset
748 @w{@code{1 - erf (@var{z})}}.\n\
8517
81d6ab3ac93c Allow documentation tobe built for other formats than tex and info
sh@sh-laptop
parents: 8459
diff changeset
749 @end ifnottex\n\
15696
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
750 @seealso{erfcinv, erfcx, erfi, dawson, erf, erfinv}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
751 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
752 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
753 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
754 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
755 retval = args(0).erfc ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
756 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
757 print_usage ();
624
1a7dea6fa26b [project @ 1994-08-17 16:19:40 by jwe]
jwe
parents: 529
diff changeset
758
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
759 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
760 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
761
7667
fb3a6c53c2b2 Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
David Bateman <dbateman@free.fr>
parents: 7638
diff changeset
762 /*
fb3a6c53c2b2 Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
David Bateman <dbateman@free.fr>
parents: 7638
diff changeset
763 %!test
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
764 %! a = -1i*sqrt (-1/(6.4187*6.4187));
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
765 %! assert (erfc (a), erfc (real (a)));
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
766
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
767 %!error erfc ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
768 %!error erfc (1, 2)
7667
fb3a6c53c2b2 Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
David Bateman <dbateman@free.fr>
parents: 7638
diff changeset
769 */
fb3a6c53c2b2 Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
David Bateman <dbateman@free.fr>
parents: 7638
diff changeset
770
10391
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
771 DEFUN (erfcx, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
772 "-*- texinfo -*-\n\
10391
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
773 @deftypefn {Mapping Function} {} erfcx (@var{z})\n\
20172
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
774 Compute the scaled complementary error function.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
775 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
776 The scaled complementary error function is defined as\n\
10391
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
777 @tex\n\
12660
eae41900ca01 Use correct definition of erfcx in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12654
diff changeset
778 $$\n\
eae41900ca01 Use correct definition of erfcx in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12654
diff changeset
779 e^{z^2} {\\rm erfc} (z) \\equiv e^{z^2} (1 - {\\rm erf} (z))\n\
eae41900ca01 Use correct definition of erfcx in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12654
diff changeset
780 $$\n\
10391
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
781 @end tex\n\
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
782 @ifnottex\n\
12660
eae41900ca01 Use correct definition of erfcx in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12654
diff changeset
783 \n\
eae41900ca01 Use correct definition of erfcx in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12654
diff changeset
784 @example\n\
15696
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
785 exp (z^2) * erfc (z)\n\
12660
eae41900ca01 Use correct definition of erfcx in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12654
diff changeset
786 @end example\n\
eae41900ca01 Use correct definition of erfcx in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12654
diff changeset
787 \n\
10391
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
788 @end ifnottex\n\
15696
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
789 @seealso{erfc, erf, erfi, dawson, erfinv, erfcinv}\n\
10391
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
790 @end deftypefn")
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
791 {
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
792 octave_value retval;
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
793 if (args.length () == 1)
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
794 retval = args(0).erfcx ();
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
795 else
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
796 print_usage ();
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
797
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
798 return retval;
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
799 }
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
800
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
801 /*
15696
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
802
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
803 %!test
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
804 %! x = [1+2i,-1+2i,1e-6+2e-6i,0+2i];
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
805 %! assert (erfcx (x), exp (x.^2) .* erfc(x), -1.e-10);
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
806
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
807 %!test
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
808 %! x = [100, 100+20i];
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
809 %! v = [0.0056416137829894329, 0.0054246791754558-0.00108483153786434i];
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
810 %! assert (erfcx (x), v, -1.e-10);
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
811
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
812 %!error erfcx ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
813 %!error erfcx (1, 2)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
814 */
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
815
15696
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
816 DEFUN (erfi, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
817 "-*- texinfo -*-\n\
15696
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
818 @deftypefn {Mapping Function} {} erfi (@var{z})\n\
20172
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
819 Compute the imaginary error function.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
820 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
821 The imaginary error function is defined as\n\
15696
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
822 @tex\n\
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
823 $$\n\
20172
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
824 -i {\\rm erf} (iz)\n\
15696
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
825 $$\n\
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
826 @end tex\n\
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
827 @ifnottex\n\
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
828 \n\
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
829 @example\n\
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
830 -i * erf (i*z)\n\
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
831 @end example\n\
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
832 \n\
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
833 @end ifnottex\n\
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
834 @seealso{erfc, erf, erfcx, dawson, erfinv, erfcinv}\n\
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
835 @end deftypefn")
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
836 {
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
837 octave_value retval;
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
838 if (args.length () == 1)
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
839 retval = args(0).erfi ();
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
840 else
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
841 print_usage ();
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
842
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
843 return retval;
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
844 }
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
845
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
846 /*
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
847
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
848 %!test
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
849 %! x = [-0.1, 0.1, 1, 1+2i,-1+2i,1e-6+2e-6i,0+2i];
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
850 %! assert (erfi (x), -i * erf(i*x), -1.e-10);
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
851
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
852 %!error erfi ()
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
853 %!error erfi (1, 2)
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
854 */
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
855
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
856 DEFUN (dawson, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
857 "-*- texinfo -*-\n\
15696
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
858 @deftypefn {Mapping Function} {} dawson (@var{z})\n\
20172
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
859 Compute the Dawson (scaled imaginary error) function.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
860 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
861 The Dawson function is defined as\n\
15696
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
862 @tex\n\
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
863 $$\n\
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
864 {\\sqrt{\\pi} \\over 2} e^{-z^2} {\\rm erfi} (z) \\equiv -i {\\sqrt{\\pi} \\over 2} e^{-z^2} {\\rm erf} (iz)\n\
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
865 $$\n\
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
866 @end tex\n\
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
867 @ifnottex\n\
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
868 \n\
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
869 @example\n\
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
870 (sqrt (pi) / 2) * exp (-z^2) * erfi (z)\n\
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
871 @end example\n\
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
872 \n\
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
873 @end ifnottex\n\
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
874 @seealso{erfc, erf, erfcx, erfi, erfinv, erfcinv}\n\
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
875 @end deftypefn")
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
876 {
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
877 octave_value retval;
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
878 if (args.length () == 1)
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
879 retval = args(0).dawson ();
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
880 else
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
881 print_usage ();
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
882
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
883 return retval;
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
884 }
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
885
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
886 /*
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
887
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
888 %!test
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
889 %! x = [0.1, 1, 1+2i,-1+2i,1e-4+2e-4i,0+2i];
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
890 %! v = [0.099335992397852861, 0.53807950691, -13.38892731648-11.828715104i, 13.38892731648-11.828715104i, 0.0001000000073333+0.000200000001333i, 48.160012114291i];
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
891 %! assert (dawson (x), v, -1.e-10);
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
892 %! assert (dawson (-x), -v, -1.e-10);
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
893
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
894 %!error dawson ()
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
895 %!error dawson (1, 2)
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
896 */
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15500
diff changeset
897
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
898 DEFUN (exp, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
899 "-*- texinfo -*-\n\
3373
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe]
jwe
parents: 3369
diff changeset
900 @deftypefn {Mapping Function} {} exp (@var{x})\n\
9141
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
901 Compute\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
902 @tex\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
903 $e^{x}$\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
904 @end tex\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
905 @ifnottex\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
906 @code{e^x}\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
907 @end ifnottex\n\
20172
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
908 for each element of @var{x}.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
909 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
910 To compute the matrix exponential, see @ref{Linear Algebra}.\n\
9141
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
911 @seealso{log}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
912 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
913 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
914 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
915 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
916 retval = args(0).exp ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
917 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
918 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
919
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
920 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
921 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
922
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
923 /*
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
924 %!assert (exp ([0, 1, -1, -1000]), [1, e, 1/e, 0], sqrt (eps))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
925 %!assert (exp (1+i), e * (cos (1) + sin (1) * i), sqrt (eps))
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
926 %!assert (exp (single ([0, 1, -1, -1000])), single ([1, e, 1/e, 0]), sqrt (eps ("single")))
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
927 %!assert (exp (single (1+i)), single (e * (cos (1) + sin (1) * i)), sqrt (eps ("single")))
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
928
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
929 %!assert (exp ([Inf, -Inf, NaN]), [Inf 0 NaN])
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
930 %!assert (exp (single ([Inf, -Inf, NaN])), single ([Inf 0 NaN]))
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
931
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
932 %!error exp ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
933 %!error exp (1, 2)
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
934 */
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
935
7638
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
936 DEFUN (expm1, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
937 "-*- texinfo -*-\n\
7638
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
938 @deftypefn {Mapping Function} {} expm1 (@var{x})\n\
9167
1231b1762a9a Simplify TeXinfo and eliminate use of @iftex in arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9165
diff changeset
939 Compute\n\
9141
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
940 @tex\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
941 $ e^{x} - 1 $\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
942 @end tex\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
943 @ifnottex\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
944 @code{exp (@var{x}) - 1}\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
945 @end ifnottex\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
946 accurately in the neighborhood of zero.\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
947 @seealso{exp}\n\
7638
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
948 @end deftypefn")
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
949 {
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
950 octave_value retval;
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
951 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
952 retval = args(0).expm1 ();
7638
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
953 else
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
954 print_usage ();
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
955
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
956 return retval;
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
957 }
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
958
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
959 /*
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
960 %!assert (expm1 (2*eps), 2*eps, 1e-29)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
961
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
962 %!assert (expm1 ([Inf, -Inf, NaN]), [Inf -1 NaN])
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
963 %!assert (expm1 (single ([Inf, -Inf, NaN])), single ([Inf -1 NaN]))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
964
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
965 %!error expm1 ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
966 %!error expm1 (1, 2)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
967 */
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
968
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
969 DEFUN (isfinite, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
970 "-*- texinfo -*-\n\
19117
a4c226a963c5 Deprecate finite in favor of isfinite.
Rik <rik@octave.org>
parents: 18812
diff changeset
971 @deftypefn {Mapping Function} {} isfinite (@var{x})\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
972 Return a logical array which is true where the elements of @var{x} are\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
973 finite values and false where they are not.\n\
19117
a4c226a963c5 Deprecate finite in favor of isfinite.
Rik <rik@octave.org>
parents: 18812
diff changeset
974 \n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
975 For example:\n\
3369
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
976 \n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
977 @example\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
978 @group\n\
19117
a4c226a963c5 Deprecate finite in favor of isfinite.
Rik <rik@octave.org>
parents: 18812
diff changeset
979 isfinite ([13, Inf, NA, NaN])\n\
5016
bdbee5282954 [project @ 2004-09-22 02:50:35 by jwe]
jwe
parents: 4968
diff changeset
980 @result{} [ 1, 0, 0, 0 ]\n\
3369
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
981 @end group\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
982 @end example\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
983 @seealso{isinf, isnan, isna}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
984 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
985 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
986 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
987 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
988 retval = args(0).finite ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
989 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
990 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
991
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
992 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
993 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
994
7814
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
995 /*
19117
a4c226a963c5 Deprecate finite in favor of isfinite.
Rik <rik@octave.org>
parents: 18812
diff changeset
996 %!assert (!isfinite (Inf))
a4c226a963c5 Deprecate finite in favor of isfinite.
Rik <rik@octave.org>
parents: 18812
diff changeset
997 %!assert (!isfinite (NaN))
a4c226a963c5 Deprecate finite in favor of isfinite.
Rik <rik@octave.org>
parents: 18812
diff changeset
998 %!assert (isfinite (rand (1,10)))
7814
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
999
19117
a4c226a963c5 Deprecate finite in favor of isfinite.
Rik <rik@octave.org>
parents: 18812
diff changeset
1000 %!assert (!isfinite (single (Inf)))
a4c226a963c5 Deprecate finite in favor of isfinite.
Rik <rik@octave.org>
parents: 18812
diff changeset
1001 %!assert (!isfinite (single (NaN)))
a4c226a963c5 Deprecate finite in favor of isfinite.
Rik <rik@octave.org>
parents: 18812
diff changeset
1002 %!assert (isfinite (single (rand (1,10))))
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1003
19117
a4c226a963c5 Deprecate finite in favor of isfinite.
Rik <rik@octave.org>
parents: 18812
diff changeset
1004 %!error isfinite ()
a4c226a963c5 Deprecate finite in favor of isfinite.
Rik <rik@octave.org>
parents: 18812
diff changeset
1005 %!error isfinite (1, 2)
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1006 */
7814
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1007
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1008 DEFUN (fix, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1009 "-*- texinfo -*-\n\
3373
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe]
jwe
parents: 3369
diff changeset
1010 @deftypefn {Mapping Function} {} fix (@var{x})\n\
20172
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1011 Truncate fractional portion of @var{x} and return the integer portion.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1012 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1013 This is equivalent to rounding towards zero. If @var{x} is complex, return\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1014 @code{fix (real (@var{x})) + fix (imag (@var{x})) * I}.\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10711
diff changeset
1015 \n\
9141
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1016 @example\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1017 @group\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1018 fix ([-2.7, 2.7])\n\
14360
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
1019 @result{} -2 2\n\
9141
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1020 @end group\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1021 @end example\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1022 @seealso{ceil, floor, round}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1023 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1024 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1025 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1026 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1027 retval = args(0).fix ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1028 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1029 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
1030
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1031 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1032 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1033
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1034 /*
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1035 %!assert (fix ([1.1, 1, -1.1, -1]), [1, 1, -1, -1])
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1036 %!assert (fix ([1.1+1.1i, 1+i, -1.1-1.1i, -1-i]), [1+i, 1+i, -1-i, -1-i])
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1037 %!assert (fix (single ([1.1, 1, -1.1, -1])), single ([1, 1, -1, -1]))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1038 %!assert (fix (single ([1.1+1.1i, 1+i, -1.1-1.1i, -1-i])), single ([1+i, 1+i, -1-i, -1-i]))
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1039
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1040 %!error fix ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1041 %!error fix (1, 2)
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1042 */
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1043
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1044 DEFUN (floor, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1045 "-*- texinfo -*-\n\
3373
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe]
jwe
parents: 3369
diff changeset
1046 @deftypefn {Mapping Function} {} floor (@var{x})\n\
20172
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1047 Return the largest integer not greater than @var{x}.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1048 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1049 This is equivalent to rounding towards negative infinity. If @var{x} is\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1050 complex, return @code{floor (real (@var{x})) + floor (imag (@var{x})) * I}.\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10711
diff changeset
1051 \n\
9141
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1052 @example\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1053 @group\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1054 floor ([-2.7, 2.7])\n\
14360
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
1055 @result{} -3 2\n\
9141
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1056 @end group\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1057 @end example\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1058 @seealso{ceil, round, fix}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1059 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1060 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1061 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1062 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1063 retval = args(0).floor ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1064 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1065 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
1066
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1067 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1068 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1069
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1070 /*
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1071 %!assert (floor ([2, 1.1, -1.1, -1]), [2, 1, -2, -1])
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1072 %!assert (floor ([2+2i, 1.1+1.1i, -1.1-1.1i, -1-i]), [2+2i, 1+i, -2-2i, -1-i])
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1073 %!assert (floor (single ([2, 1.1, -1.1, -1])), single ([2, 1, -2, -1]))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1074 %!assert (floor (single ([2+2i, 1.1+1.1i, -1.1-1.1i, -1-i])), single ([2+2i, 1+i, -2-2i, -1-i]))
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1075
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1076 %!error floor ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1077 %!error floor (1, 2)
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1078 */
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1079
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1080 DEFUN (gamma, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1081 "-*- texinfo -*-\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1082 @deftypefn {Mapping Function} {} gamma (@var{z})\n\
20172
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1083 Compute the Gamma function.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1084 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1085 The Gamma function is defined as\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1086 @tex\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1087 $$\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1088 \\Gamma (z) = \\int_0^\\infty t^{z-1} e^{-t} dt.\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1089 $$\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1090 @end tex\n\
8517
81d6ab3ac93c Allow documentation tobe built for other formats than tex and info
sh@sh-laptop
parents: 8459
diff changeset
1091 @ifnottex\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1092 \n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1093 @example\n\
9064
7c02ec148a3c Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents: 9041
diff changeset
1094 @group\n\
14437
62a2ef6c09a4 doc: Correct spacing of integrals in Info version of docstrings.
Rik <octave@nomad.inbox5.com>
parents: 14429
diff changeset
1095 infinity\n\
62a2ef6c09a4 doc: Correct spacing of integrals in Info version of docstrings.
Rik <octave@nomad.inbox5.com>
parents: 14429
diff changeset
1096 /\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1097 gamma (z) = | t^(z-1) exp (-t) dt.\n\
14360
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
1098 /\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
1099 t=0\n\
9064
7c02ec148a3c Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents: 9041
diff changeset
1100 @end group\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1101 @end example\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10711
diff changeset
1102 \n\
8517
81d6ab3ac93c Allow documentation tobe built for other formats than tex and info
sh@sh-laptop
parents: 8459
diff changeset
1103 @end ifnottex\n\
19151
e09318118fd6 doc: Add note to gamma docstring about using gammaln when input is large.
Rik <rik@octave.org>
parents: 19117
diff changeset
1104 \n\
e09318118fd6 doc: Add note to gamma docstring about using gammaln when input is large.
Rik <rik@octave.org>
parents: 19117
diff changeset
1105 Programming Note: The gamma function can grow quite large even for small\n\
e09318118fd6 doc: Add note to gamma docstring about using gammaln when input is large.
Rik <rik@octave.org>
parents: 19117
diff changeset
1106 input values. In many cases it may be preferable to use the natural\n\
e09318118fd6 doc: Add note to gamma docstring about using gammaln when input is large.
Rik <rik@octave.org>
parents: 19117
diff changeset
1107 logarithm of the gamma function (@code{gammaln}) in calculations to minimize\n\
e09318118fd6 doc: Add note to gamma docstring about using gammaln when input is large.
Rik <rik@octave.org>
parents: 19117
diff changeset
1108 loss of precision. The final result is then\n\
e09318118fd6 doc: Add note to gamma docstring about using gammaln when input is large.
Rik <rik@octave.org>
parents: 19117
diff changeset
1109 @code{exp (@var{result_using_gammaln}).}\n\
e09318118fd6 doc: Add note to gamma docstring about using gammaln when input is large.
Rik <rik@octave.org>
parents: 19117
diff changeset
1110 @seealso{gammainc, gammaln, factorial}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1111 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1112 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1113 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1114 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1115 retval = args(0).gamma ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1116 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1117 print_usage ();
624
1a7dea6fa26b [project @ 1994-08-17 16:19:40 by jwe]
jwe
parents: 529
diff changeset
1118
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1119 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1120 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1121
7667
fb3a6c53c2b2 Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
David Bateman <dbateman@free.fr>
parents: 7638
diff changeset
1122 /*
fb3a6c53c2b2 Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
David Bateman <dbateman@free.fr>
parents: 7638
diff changeset
1123 %!test
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1124 %! a = -1i*sqrt (-1/(6.4187*6.4187));
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1125 %! assert (gamma (a), gamma (real (a)));
7667
fb3a6c53c2b2 Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
David Bateman <dbateman@free.fr>
parents: 7638
diff changeset
1126
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1127 %!test
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1128 %! x = [.5, 1, 1.5, 2, 3, 4, 5];
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1129 %! v = [sqrt(pi), 1, .5*sqrt(pi), 1, 2, 6, 24];
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1130 %! assert (gamma (x), v, sqrt (eps));
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1131
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1132 %!test
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1133 %! a = single (-1i*sqrt (-1/(6.4187*6.4187)));
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1134 %! assert (gamma (a), gamma (real (a)));
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1135
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1136 %!test
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1137 %! x = single ([.5, 1, 1.5, 2, 3, 4, 5]);
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1138 %! v = single ([sqrt(pi), 1, .5*sqrt(pi), 1, 2, 6, 24]);
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
1139 %! assert (gamma (x), v, sqrt (eps ("single")));
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1140
10903
9f0f1a89c704 Add new %!tests for negative integer arguments to gamma, lgamma.
Rik <octave@nomad.inbox5.com>
parents: 10840
diff changeset
1141 %!test
17708
f10b7a578e2c Correct return values of gamma() (see Numerical, item 3 on Projects page).
Craig Hudson <c_hudson_phd@hotmail.com>
parents: 16816
diff changeset
1142 %! ## Test exceptional values
f10b7a578e2c Correct return values of gamma() (see Numerical, item 3 on Projects page).
Craig Hudson <c_hudson_phd@hotmail.com>
parents: 16816
diff changeset
1143 %! x = [-Inf, -1, -0, 0, 1, Inf, NaN];
19357
c6437824681c improve Matlab compatibility for gamma function (bug #43551)
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
1144 %! v = [Inf, Inf, -Inf, Inf, 1, Inf, NaN];
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1145 %! assert (gamma (x), v);
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1146 %! assert (gamma (single (x)), single (v));
10903
9f0f1a89c704 Add new %!tests for negative integer arguments to gamma, lgamma.
Rik <octave@nomad.inbox5.com>
parents: 10840
diff changeset
1147
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1148 %!error gamma ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1149 %!error gamma (1, 2)
7667
fb3a6c53c2b2 Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
David Bateman <dbateman@free.fr>
parents: 7638
diff changeset
1150 */
fb3a6c53c2b2 Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
David Bateman <dbateman@free.fr>
parents: 7638
diff changeset
1151
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1152 DEFUN (imag, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1153 "-*- texinfo -*-\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1154 @deftypefn {Mapping Function} {} imag (@var{z})\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1155 Return the imaginary part of @var{z} as a real number.\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5518
diff changeset
1156 @seealso{real, conj}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1157 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1158 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1159 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1160 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1161 retval = args(0).imag ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1162 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1163 print_usage ();
2089
4dcc8b77e84a [project @ 1996-04-26 07:55:54 by jwe]
jwe
parents: 1996
diff changeset
1164
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1165 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1166 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1167
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1168 /*
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1169 %!assert (imag (1), 0)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1170 %!assert (imag (i), 1)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1171 %!assert (imag (1+i), 1)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1172 %!assert (imag ([i, 1; 1, i]), full (eye (2)))
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1173
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1174 %!assert (imag (single (1)), single (0))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1175 %!assert (imag (single (i)), single (1))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1176 %!assert (imag (single (1+i)), single (1))
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
1177 %!assert (imag (single ([i, 1; 1, i])), full (eye (2,"single")))
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1178
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1179 %!error imag ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1180 %!error imag (1, 2)
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1181 */
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1182
7528
26d8a92644de try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
1183 DEFUNX ("isalnum", Fisalnum, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1184 "-*- texinfo -*-\n\
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1185 @deftypefn {Mapping Function} {} isalnum (@var{s})\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1186 Return a logical array which is true where the elements of @var{s} are\n\
20172
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1187 letters or digits and false where they are not.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1188 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1189 This is equivalent to (@code{isalpha (@var{s}) | isdigit (@var{s})}).\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1190 @seealso{isalpha, isdigit, ispunct, isspace, iscntrl}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1191 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1192 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1193 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1194 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1195 retval = args(0).xisalnum ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1196 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1197 print_usage ();
2089
4dcc8b77e84a [project @ 1996-04-26 07:55:54 by jwe]
jwe
parents: 1996
diff changeset
1198
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1199 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1200 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1201
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1202 /*
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1203 %!test
13964
12fa52c6e886 Use char() instead of deprecated setstr() in %!test code.
Rik <octave@nomad.inbox5.com>
parents: 13929
diff changeset
1204 %! charset = char (0:127);
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1205 %! result = false (1, 128);
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1206 %! result(toascii ("A":"Z") + 1) = true;
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1207 %! result(toascii ("0":"9") + 1) = true;
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1208 %! result(toascii ("a":"z") + 1) = true;
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
1209 %! assert (isalnum (charset), result);
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1210
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1211 %!error isalnum ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1212 %!error isalnum (1, 2)
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1213 */
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1214
7528
26d8a92644de try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
1215 DEFUNX ("isalpha", Fisalpha, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1216 "-*- texinfo -*-\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1217 @deftypefn {Mapping Function} {} isalpha (@var{s})\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1218 Return a logical array which is true where the elements of @var{s} are\n\
20172
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1219 letters and false where they are not.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1220 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1221 This is equivalent to (@code{islower (@var{s}) | isupper (@var{s})}).\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1222 @seealso{isdigit, ispunct, isspace, iscntrl, isalnum, islower, isupper}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1223 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1224 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1225 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1226 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1227 retval = args(0).xisalpha ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1228 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1229 print_usage ();
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1230
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1231 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1232 }
2089
4dcc8b77e84a [project @ 1996-04-26 07:55:54 by jwe]
jwe
parents: 1996
diff changeset
1233
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1234 /*
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1235 %!test
13964
12fa52c6e886 Use char() instead of deprecated setstr() in %!test code.
Rik <octave@nomad.inbox5.com>
parents: 13929
diff changeset
1236 %! charset = char (0:127);
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1237 %! result = false (1, 128);
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1238 %! result(toascii ("A":"Z") + 1) = true;
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1239 %! result(toascii ("a":"z") + 1) = true;
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
1240 %! assert (isalpha (charset), result);
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1241
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1242 %!error isalpha ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1243 %!error isalpha (1, 2)
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1244 */
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1245
7528
26d8a92644de try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
1246 DEFUNX ("isascii", Fisascii, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1247 "-*- texinfo -*-\n\
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1248 @deftypefn {Mapping Function} {} isascii (@var{s})\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1249 Return a logical array which is true where the elements of @var{s} are\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1250 ASCII characters (in the range 0 to 127 decimal) and false where they are\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1251 not.\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1252 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1253 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1254 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1255 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1256 retval = args(0).xisascii ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1257 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1258 print_usage ();
2089
4dcc8b77e84a [project @ 1996-04-26 07:55:54 by jwe]
jwe
parents: 1996
diff changeset
1259
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1260 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1261 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1262
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1263 /*
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1264 %!test
13964
12fa52c6e886 Use char() instead of deprecated setstr() in %!test code.
Rik <octave@nomad.inbox5.com>
parents: 13929
diff changeset
1265 %! charset = char (0:127);
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1266 %! result = true (1, 128);
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
1267 %! assert (isascii (charset), result);
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1268
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1269 %!error isascii ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1270 %!error isascii (1, 2)
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1271 */
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1272
7528
26d8a92644de try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
1273 DEFUNX ("iscntrl", Fiscntrl, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1274 "-*- texinfo -*-\n\
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1275 @deftypefn {Mapping Function} {} iscntrl (@var{s})\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1276 Return a logical array which is true where the elements of @var{s} are\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1277 control characters and false where they are not.\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1278 @seealso{ispunct, isspace, isalpha, isdigit}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1279 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1280 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1281 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1282 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1283 retval = args(0).xiscntrl ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1284 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1285 print_usage ();
2089
4dcc8b77e84a [project @ 1996-04-26 07:55:54 by jwe]
jwe
parents: 1996
diff changeset
1286
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1287 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1288 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1289
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1290 /*
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1291 %!test
13964
12fa52c6e886 Use char() instead of deprecated setstr() in %!test code.
Rik <octave@nomad.inbox5.com>
parents: 13929
diff changeset
1292 %! charset = char (0:127);
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1293 %! result = false (1, 128);
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1294 %! result(1:32) = true;
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1295 %! result(128) = true;
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
1296 %! assert (iscntrl (charset), result);
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1297
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1298 %!error iscntrl ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1299 %!error iscntrl (1, 2)
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1300 */
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1301
7528
26d8a92644de try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
1302 DEFUNX ("isdigit", Fisdigit, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1303 "-*- texinfo -*-\n\
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1304 @deftypefn {Mapping Function} {} isdigit (@var{s})\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1305 Return a logical array which is true where the elements of @var{s} are\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1306 decimal digits (0-9) and false where they are not.\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1307 @seealso{isxdigit, isalpha, isletter, ispunct, isspace, iscntrl}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1308 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1309 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1310 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1311 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1312 retval = args(0).xisdigit ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1313 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1314 print_usage ();
2089
4dcc8b77e84a [project @ 1996-04-26 07:55:54 by jwe]
jwe
parents: 1996
diff changeset
1315
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1316 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1317 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1318
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1319 /*
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1320 %!test
13964
12fa52c6e886 Use char() instead of deprecated setstr() in %!test code.
Rik <octave@nomad.inbox5.com>
parents: 13929
diff changeset
1321 %! charset = char (0:127);
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1322 %! result = false (1, 128);
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1323 %! result(toascii ("0":"9") + 1) = true;
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
1324 %! assert (isdigit (charset), result);
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1325
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1326 %!error isdigit ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1327 %!error isdigit (1, 2)
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1328 */
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1329
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1330 DEFUN (isinf, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1331 "-*- texinfo -*-\n\
3369
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
1332 @deftypefn {Mapping Function} {} isinf (@var{x})\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1333 Return a logical array which is true where the elements of @var{x} are\n\
20183
4e7f12a763cd doc: Remove typo of same word twice in a row.
Rik <rik@octave.org>
parents: 20172
diff changeset
1334 infinite and false where they are not.\n\
20172
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1335 \n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1336 For example:\n\
3369
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
1337 \n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
1338 @example\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
1339 @group\n\
4025
cfb762dc9259 [project @ 2002-08-09 06:32:15 by jwe]
jwe
parents: 3775
diff changeset
1340 isinf ([13, Inf, NA, NaN])\n\
14360
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
1341 @result{} [ 0, 1, 0, 0 ]\n\
3369
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
1342 @end group\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
1343 @end example\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1344 @seealso{isfinite, isnan, isna}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1345 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1346 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1347 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1348 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1349 retval = args(0).isinf ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1350 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1351 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
1352
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1353 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1354 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1355
7814
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1356 /*
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1357 %!assert (isinf (Inf))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1358 %!assert (!isinf (NaN))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1359 %!assert (!isinf (NA))
14861
f7afecdd87ef maint: Use Octave coding conventions for cuddling parentheses in src/ directory
Rik <octave@nomad.inbox5.com>
parents: 14817
diff changeset
1360 %!assert (isinf (rand (1,10)), false (1,10))
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1361 %!assert (isinf ([NaN -Inf -1 0 1 Inf NA]), [false, true, false, false, false, true, false])
7814
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1362
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1363 %!assert (isinf (single (Inf)))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1364 %!assert (!isinf (single (NaN)))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1365 %!assert (!isinf (single (NA)))
14861
f7afecdd87ef maint: Use Octave coding conventions for cuddling parentheses in src/ directory
Rik <octave@nomad.inbox5.com>
parents: 14817
diff changeset
1366 %!assert (isinf (single (rand (1,10))), false (1,10))
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1367 %!assert (isinf (single ([NaN -Inf -1 0 1 Inf NA])), [false, true, false, false, false, true, false])
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1368
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1369 %!error isinf ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1370 %!error isinf (1, 2)
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1371 */
7814
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1372
7528
26d8a92644de try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
1373 DEFUNX ("isgraph", Fisgraph, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1374 "-*- texinfo -*-\n\
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1375 @deftypefn {Mapping Function} {} isgraph (@var{s})\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1376 Return a logical array which is true where the elements of @var{s} are\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1377 printable characters (but not the space character) and false where they are\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1378 not.\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1379 @seealso{isprint}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1380 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1381 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1382 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1383 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1384 retval = args(0).xisgraph ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1385 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1386 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
1387
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1388 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1389 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1390
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1391 /*
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1392 %!test
13964
12fa52c6e886 Use char() instead of deprecated setstr() in %!test code.
Rik <octave@nomad.inbox5.com>
parents: 13929
diff changeset
1393 %! charset = char (0:127);
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1394 %! result = false (1, 128);
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1395 %! result(34:127) = true;
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
1396 %! assert (isgraph (charset), result);
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1397
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1398 %!error isgraph ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1399 %!error isgraph (1, 2)
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1400 */
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1401
7528
26d8a92644de try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
1402 DEFUNX ("islower", Fislower, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1403 "-*- texinfo -*-\n\
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1404 @deftypefn {Mapping Function} {} islower (@var{s})\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1405 Return a logical array which is true where the elements of @var{s} are\n\
12642
f96b9b9f141b doc: Periodic grammarcheck and spellcheck of documentation.
Rik <octave@nomad.inbox5.com>
parents: 12636
diff changeset
1406 lowercase letters and false where they are not.\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1407 @seealso{isupper, isalpha, isletter, isalnum}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1408 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1409 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1410 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1411 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1412 retval = args(0).xislower ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1413 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1414 print_usage ();
2089
4dcc8b77e84a [project @ 1996-04-26 07:55:54 by jwe]
jwe
parents: 1996
diff changeset
1415
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1416 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1417 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1418
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1419 /*
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1420 %!test
13964
12fa52c6e886 Use char() instead of deprecated setstr() in %!test code.
Rik <octave@nomad.inbox5.com>
parents: 13929
diff changeset
1421 %! charset = char (0:127);
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1422 %! result = false (1, 128);
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1423 %! result(toascii ("a":"z") + 1) = true;
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
1424 %! assert (islower (charset), result);
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1425
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1426 %!error islower ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1427 %!error islower (1, 2)
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1428 */
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1429
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1430 DEFUN (isna, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1431 "-*- texinfo -*-\n\
4025
cfb762dc9259 [project @ 2002-08-09 06:32:15 by jwe]
jwe
parents: 3775
diff changeset
1432 @deftypefn {Mapping Function} {} isna (@var{x})\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1433 Return a logical array which is true where the elements of @var{x} are\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1434 NA (missing) values and false where they are not.\n\
20172
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1435 \n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1436 For example:\n\
4025
cfb762dc9259 [project @ 2002-08-09 06:32:15 by jwe]
jwe
parents: 3775
diff changeset
1437 \n\
cfb762dc9259 [project @ 2002-08-09 06:32:15 by jwe]
jwe
parents: 3775
diff changeset
1438 @example\n\
cfb762dc9259 [project @ 2002-08-09 06:32:15 by jwe]
jwe
parents: 3775
diff changeset
1439 @group\n\
6218
c1b66b74937d [project @ 2006-12-27 17:43:50 by jwe]
jwe
parents: 6206
diff changeset
1440 isna ([13, Inf, NA, NaN])\n\
4025
cfb762dc9259 [project @ 2002-08-09 06:32:15 by jwe]
jwe
parents: 3775
diff changeset
1441 @result{} [ 0, 0, 1, 0 ]\n\
cfb762dc9259 [project @ 2002-08-09 06:32:15 by jwe]
jwe
parents: 3775
diff changeset
1442 @end group\n\
cfb762dc9259 [project @ 2002-08-09 06:32:15 by jwe]
jwe
parents: 3775
diff changeset
1443 @end example\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1444 @seealso{isnan, isinf, isfinite}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1445 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1446 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1447 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1448 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1449 retval = args(0).isna ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1450 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1451 print_usage ();
4025
cfb762dc9259 [project @ 2002-08-09 06:32:15 by jwe]
jwe
parents: 3775
diff changeset
1452
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1453 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1454 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1455
7814
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1456 /*
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1457 %!assert (!isna (Inf))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1458 %!assert (!isna (NaN))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1459 %!assert (isna (NA))
14861
f7afecdd87ef maint: Use Octave coding conventions for cuddling parentheses in src/ directory
Rik <octave@nomad.inbox5.com>
parents: 14817
diff changeset
1460 %!assert (isna (rand (1,10)), false (1,10))
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1461 %!assert (isna ([NaN -Inf -1 0 1 Inf NA]), [false, false, false, false, false, false, true])
7814
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1462
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1463 %!assert (!isna (single (Inf)))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1464 %!assert (!isna (single (NaN)))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1465 %!assert (isna (single (NA)))
14861
f7afecdd87ef maint: Use Octave coding conventions for cuddling parentheses in src/ directory
Rik <octave@nomad.inbox5.com>
parents: 14817
diff changeset
1466 %!assert (isna (single (rand (1,10))), false (1,10))
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1467 %!assert (isna (single ([NaN -Inf -1 0 1 Inf NA])), [false, false, false, false, false, false, true])
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1468
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1469 %!error isna ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1470 %!error isna (1, 2)
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1471 */
7814
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1472
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1473 DEFUN (isnan, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1474 "-*- texinfo -*-\n\
3369
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
1475 @deftypefn {Mapping Function} {} isnan (@var{x})\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1476 Return a logical array which is true where the elements of @var{x} are\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1477 NaN values and false where they are not.\n\
20172
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1478 \n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1479 NA values are also considered NaN values. For example:\n\
3369
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
1480 \n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
1481 @example\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
1482 @group\n\
4025
cfb762dc9259 [project @ 2002-08-09 06:32:15 by jwe]
jwe
parents: 3775
diff changeset
1483 isnan ([13, Inf, NA, NaN])\n\
14360
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
1484 @result{} [ 0, 0, 1, 1 ]\n\
3369
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
1485 @end group\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
1486 @end example\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1487 @seealso{isna, isinf, isfinite}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1488 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1489 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1490 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1491 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1492 retval = args(0).isnan ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1493 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1494 print_usage ();
624
1a7dea6fa26b [project @ 1994-08-17 16:19:40 by jwe]
jwe
parents: 529
diff changeset
1495
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1496 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1497 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1498
7814
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1499 /*
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1500 %!assert (!isnan (Inf))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1501 %!assert (isnan (NaN))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1502 %!assert (isnan (NA))
14861
f7afecdd87ef maint: Use Octave coding conventions for cuddling parentheses in src/ directory
Rik <octave@nomad.inbox5.com>
parents: 14817
diff changeset
1503 %!assert (isnan (rand (1,10)), false (1,10))
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1504 %!assert (isnan ([NaN -Inf -1 0 1 Inf NA]), [true, false, false, false, false, false, true])
7814
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1505
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1506 %!assert (!isnan (single (Inf)))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1507 %!assert (isnan (single (NaN)))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1508 %!assert (isnan (single (NA)))
14861
f7afecdd87ef maint: Use Octave coding conventions for cuddling parentheses in src/ directory
Rik <octave@nomad.inbox5.com>
parents: 14817
diff changeset
1509 %!assert (isnan (single (rand (1,10))), false (1,10))
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1510 %!assert (isnan (single ([NaN -Inf -1 0 1 Inf NA])), [true, false, false, false, false, false, true])
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1511
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1512 %!error isnan ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1513 %!error isnan (1, 2)
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1514 */
7814
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1515
7528
26d8a92644de try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
1516 DEFUNX ("isprint", Fisprint, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1517 "-*- texinfo -*-\n\
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1518 @deftypefn {Mapping Function} {} isprint (@var{s})\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1519 Return a logical array which is true where the elements of @var{s} are\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1520 printable characters (including the space character) and false where they\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1521 are not.\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1522 @seealso{isgraph}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1523 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1524 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1525 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1526 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1527 retval = args(0).xisprint ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1528 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1529 print_usage ();
2089
4dcc8b77e84a [project @ 1996-04-26 07:55:54 by jwe]
jwe
parents: 1996
diff changeset
1530
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1531 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1532 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1533
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1534 /*
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1535 %!test
13964
12fa52c6e886 Use char() instead of deprecated setstr() in %!test code.
Rik <octave@nomad.inbox5.com>
parents: 13929
diff changeset
1536 %! charset = char (0:127);
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1537 %! result = false (1, 128);
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1538 %! result(33:127) = true;
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
1539 %! assert (isprint (charset), result);
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1540
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1541 %!error isprint ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1542 %!error isprint (1, 2)
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1543 */
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1544
7528
26d8a92644de try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
1545 DEFUNX ("ispunct", Fispunct, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1546 "-*- texinfo -*-\n\
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1547 @deftypefn {Mapping Function} {} ispunct (@var{s})\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1548 Return a logical array which is true where the elements of @var{s} are\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1549 punctuation characters and false where they are not.\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1550 @seealso{isalpha, isdigit, isspace, iscntrl}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1551 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1552 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1553 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1554 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1555 retval = args(0).xispunct ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1556 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1557 print_usage ();
2089
4dcc8b77e84a [project @ 1996-04-26 07:55:54 by jwe]
jwe
parents: 1996
diff changeset
1558
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1559 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1560 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1561
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1562 /*
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1563 %!test
13964
12fa52c6e886 Use char() instead of deprecated setstr() in %!test code.
Rik <octave@nomad.inbox5.com>
parents: 13929
diff changeset
1564 %! charset = char (0:127);
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1565 %! result = false (1, 128);
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1566 %! result(34:48) = true;
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1567 %! result(59:65) = true;
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1568 %! result(92:97) = true;
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1569 %! result(124:127) = true;
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
1570 %! assert (ispunct (charset), result);
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1571
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1572 %!error ispunct ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1573 %!error ispunct (1, 2)
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1574 */
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1575
7528
26d8a92644de try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
1576 DEFUNX ("isspace", Fisspace, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1577 "-*- texinfo -*-\n\
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1578 @deftypefn {Mapping Function} {} isspace (@var{s})\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1579 Return a logical array which is true where the elements of @var{s} are\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1580 whitespace characters (space, formfeed, newline, carriage return, tab, and\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1581 vertical tab) and false where they are not.\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1582 @seealso{iscntrl, ispunct, isalpha, isdigit}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1583 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1584 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1585 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1586 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1587 retval = args(0).xisspace ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1588 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1589 print_usage ();
2089
4dcc8b77e84a [project @ 1996-04-26 07:55:54 by jwe]
jwe
parents: 1996
diff changeset
1590
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1591 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1592 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1593
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1594 /*
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1595 %!test
13964
12fa52c6e886 Use char() instead of deprecated setstr() in %!test code.
Rik <octave@nomad.inbox5.com>
parents: 13929
diff changeset
1596 %! charset = char (0:127);
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1597 %! result = false (1, 128);
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1598 %! result(toascii (" \f\n\r\t\v") + 1) = true;
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
1599 %! assert (isspace (charset), result);
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1600
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1601 %!error isspace ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1602 %!error isspace (1, 2)
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1603 */
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1604
7528
26d8a92644de try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
1605 DEFUNX ("isupper", Fisupper, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1606 "-*- texinfo -*-\n\
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1607 @deftypefn {Mapping Function} {} isupper (@var{s})\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1608 Return a logical array which is true where the elements of @var{s} are\n\
12642
f96b9b9f141b doc: Periodic grammarcheck and spellcheck of documentation.
Rik <octave@nomad.inbox5.com>
parents: 12636
diff changeset
1609 uppercase letters and false where they are not.\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1610 @seealso{islower, isalpha, isletter, isalnum}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1611 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1612 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1613 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1614 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1615 retval = args(0).xisupper ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1616 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1617 print_usage ();
2089
4dcc8b77e84a [project @ 1996-04-26 07:55:54 by jwe]
jwe
parents: 1996
diff changeset
1618
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1619 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1620 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1621
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1622 /*
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1623 %!test
13964
12fa52c6e886 Use char() instead of deprecated setstr() in %!test code.
Rik <octave@nomad.inbox5.com>
parents: 13929
diff changeset
1624 %! charset = char (0:127);
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1625 %! result = false (1, 128);
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1626 %! result(toascii ("A":"Z") + 1) = true;
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
1627 %! assert (isupper (charset), result);
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1628
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1629 %!error isupper ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1630 %!error isupper (1, 2)
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1631 */
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1632
7528
26d8a92644de try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
1633 DEFUNX ("isxdigit", Fisxdigit, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1634 "-*- texinfo -*-\n\
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1635 @deftypefn {Mapping Function} {} isxdigit (@var{s})\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1636 Return a logical array which is true where the elements of @var{s} are\n\
11591
1d13679b587e Use @nospell macro on certain words in docstrings.
Rik <octave@nomad.inbox5.com>
parents: 11586
diff changeset
1637 hexadecimal digits (0-9 and @nospell{a-fA-F}).\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1638 @seealso{isdigit}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1639 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1640 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1641 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1642 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1643 retval = args(0).xisxdigit ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1644 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1645 print_usage ();
2089
4dcc8b77e84a [project @ 1996-04-26 07:55:54 by jwe]
jwe
parents: 1996
diff changeset
1646
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1647 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1648 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1649
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1650 /*
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1651 %!test
13964
12fa52c6e886 Use char() instead of deprecated setstr() in %!test code.
Rik <octave@nomad.inbox5.com>
parents: 13929
diff changeset
1652 %! charset = char (0:127);
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1653 %! result = false (1, 128);
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1654 %! result(toascii ("A":"F") + 1) = true;
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1655 %! result(toascii ("0":"9") + 1) = true;
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1656 %! result(toascii ("a":"f") + 1) = true;
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
1657 %! assert (isxdigit (charset), result);
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1658
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1659 %!error isxdigit ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1660 %!error isxdigit (1, 2)
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1661 */
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1662
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1663 DEFUN (lgamma, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1664 "-*- texinfo -*-\n\
19151
e09318118fd6 doc: Add note to gamma docstring about using gammaln when input is large.
Rik <rik@octave.org>
parents: 19117
diff changeset
1665 @deftypefn {Mapping Function} {} gammaln (@var{x})\n\
e09318118fd6 doc: Add note to gamma docstring about using gammaln when input is large.
Rik <rik@octave.org>
parents: 19117
diff changeset
1666 @deftypefnx {Mapping Function} {} lgamma (@var{x})\n\
7601
8a939b217863 Treat negative values to lgamma and beta correctly
David Bateman <dbateman@free.fr>
parents: 7528
diff changeset
1667 Return the natural logarithm of the gamma function of @var{x}.\n\
8286
6f2d95255911 fix @seealso references to point to existing anchors
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8084
diff changeset
1668 @seealso{gamma, gammainc}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1669 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1670 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1671 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1672 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1673 retval = args(0).lgamma ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1674 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1675 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
1676
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1677 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1678 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1679
7667
fb3a6c53c2b2 Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
David Bateman <dbateman@free.fr>
parents: 7638
diff changeset
1680 /*
fb3a6c53c2b2 Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
David Bateman <dbateman@free.fr>
parents: 7638
diff changeset
1681 %!test
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1682 %! a = -1i*sqrt (-1/(6.4187*6.4187));
19275
653ed3a6ba83 Use gammaln in preference to lgamma in core Octave code.
Rik <rik@octave.org>
parents: 19242
diff changeset
1683 %! assert (gammaln (a), gammaln (real (a)));
7667
fb3a6c53c2b2 Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
David Bateman <dbateman@free.fr>
parents: 7638
diff changeset
1684
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1685 %!test
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1686 %! x = [.5, 1, 1.5, 2, 3, 4, 5];
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1687 %! v = [sqrt(pi), 1, .5*sqrt(pi), 1, 2, 6, 24];
19275
653ed3a6ba83 Use gammaln in preference to lgamma in core Octave code.
Rik <rik@octave.org>
parents: 19242
diff changeset
1688 %! assert (gammaln (x), log (v), sqrt (eps))
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1689
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1690 %!test
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1691 %! a = single (-1i*sqrt (-1/(6.4187*6.4187)));
19275
653ed3a6ba83 Use gammaln in preference to lgamma in core Octave code.
Rik <rik@octave.org>
parents: 19242
diff changeset
1692 %! assert (gammaln (a), gammaln (real (a)));
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1693
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1694 %!test
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1695 %! x = single ([.5, 1, 1.5, 2, 3, 4, 5]);
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1696 %! v = single ([sqrt(pi), 1, .5*sqrt(pi), 1, 2, 6, 24]);
19275
653ed3a6ba83 Use gammaln in preference to lgamma in core Octave code.
Rik <rik@octave.org>
parents: 19242
diff changeset
1697 %! assert (gammaln (x), log (v), sqrt (eps ("single")))
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1698
10903
9f0f1a89c704 Add new %!tests for negative integer arguments to gamma, lgamma.
Rik <octave@nomad.inbox5.com>
parents: 10840
diff changeset
1699 %!test
9f0f1a89c704 Add new %!tests for negative integer arguments to gamma, lgamma.
Rik <octave@nomad.inbox5.com>
parents: 10840
diff changeset
1700 %! x = [-1, 0, 1, Inf];
9f0f1a89c704 Add new %!tests for negative integer arguments to gamma, lgamma.
Rik <octave@nomad.inbox5.com>
parents: 10840
diff changeset
1701 %! v = [Inf, Inf, 0, Inf];
19275
653ed3a6ba83 Use gammaln in preference to lgamma in core Octave code.
Rik <rik@octave.org>
parents: 19242
diff changeset
1702 %! assert (gammaln (x), v);
653ed3a6ba83 Use gammaln in preference to lgamma in core Octave code.
Rik <rik@octave.org>
parents: 19242
diff changeset
1703 %! assert (gammaln (single (x)), single (v));
10903
9f0f1a89c704 Add new %!tests for negative integer arguments to gamma, lgamma.
Rik <octave@nomad.inbox5.com>
parents: 10840
diff changeset
1704
19275
653ed3a6ba83 Use gammaln in preference to lgamma in core Octave code.
Rik <rik@octave.org>
parents: 19242
diff changeset
1705 %!error gammaln ()
653ed3a6ba83 Use gammaln in preference to lgamma in core Octave code.
Rik <rik@octave.org>
parents: 19242
diff changeset
1706 %!error gammaln (1,2)
7667
fb3a6c53c2b2 Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
David Bateman <dbateman@free.fr>
parents: 7638
diff changeset
1707 */
fb3a6c53c2b2 Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
David Bateman <dbateman@free.fr>
parents: 7638
diff changeset
1708
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1709 DEFUN (log, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1710 "-*- texinfo -*-\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1711 @deftypefn {Mapping Function} {} log (@var{x})\n\
9141
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1712 Compute the natural logarithm,\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1713 @tex\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1714 $\\ln{(x)},$\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1715 @end tex\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1716 @ifnottex\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1717 @code{ln (@var{x})},\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1718 @end ifnottex\n\
20172
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1719 for each element of @var{x}.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1720 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1721 To compute the matrix logarithm, see @ref{Linear Algebra}.\n\
9141
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1722 @seealso{exp, log1p, log2, log10, logspace}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1723 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1724 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1725 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1726 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1727 retval = args(0).log ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1728 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1729 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
1730
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1731 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1732 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1733
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1734 /*
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1735 %!assert (log ([1, e, e^2]), [0, 1, 2], sqrt (eps))
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
1736 %!assert (log ([-0.5, -1.5, -2.5]), log ([0.5, 1.5, 2.5]) + pi*1i, sqrt (eps))
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1737
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
1738 %!assert (log (single ([1, e, e^2])), single ([0, 1, 2]), sqrt (eps ("single")))
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
1739 %!assert (log (single ([-0.5, -1.5, -2.5])), single (log ([0.5, 1.5, 2.5]) + pi*1i), 4*eps ("single"))
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1740
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1741 %!error log ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1742 %!error log (1, 2)
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
1743 */
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1744
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1745 DEFUN (log10, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1746 "-*- texinfo -*-\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1747 @deftypefn {Mapping Function} {} log10 (@var{x})\n\
9141
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1748 Compute the base-10 logarithm of each element of @var{x}.\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5518
diff changeset
1749 @seealso{log, log2, logspace, exp}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1750 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1751 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1752 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1753 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1754 retval = args(0).log10 ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1755 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1756 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
1757
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1758 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1759 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1760
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1761 /*
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1762 %!assert (log10 ([0.01, 0.1, 1, 10, 100]), [-2, -1, 0, 1, 2], sqrt (eps))
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
1763 %!assert (log10 (single ([0.01, 0.1, 1, 10, 100])), single ([-2, -1, 0, 1, 2]), sqrt (eps ("single")))
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1764
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1765 %!error log10 ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1766 %!error log10 (1, 2)
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1767 */
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1768
7638
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
1769 DEFUN (log1p, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1770 "-*- texinfo -*-\n\
7638
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
1771 @deftypefn {Mapping Function} {} log1p (@var{x})\n\
9141
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1772 Compute\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1773 @tex\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1774 $\\ln{(1 + x)}$\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1775 @end tex\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1776 @ifnottex\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1777 @code{log (1 + @var{x})}\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1778 @end ifnottex\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1779 accurately in the neighborhood of zero.\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1780 @seealso{log, exp, expm1}\n\
7638
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
1781 @end deftypefn")
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
1782 {
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
1783 octave_value retval;
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
1784 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1785 retval = args(0).log1p ();
7638
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
1786 else
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
1787 print_usage ();
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
1788
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
1789 return retval;
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
1790 }
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
1791
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1792 /*
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1793 %!assert (log1p ([0, 2*eps, -2*eps]), [0, 2*eps, -2*eps], 1e-29)
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
1794 %!assert (log1p (single ([0, 2*eps, -2*eps])), single ([0, 2*eps, -2*eps]), 1e-29)
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1795
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1796 %!error log1p ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1797 %!error log1p (1, 2)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1798 */
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1799
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1800 DEFUN (real, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1801 "-*- texinfo -*-\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1802 @deftypefn {Mapping Function} {} real (@var{z})\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1803 Return the real part of @var{z}.\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5518
diff changeset
1804 @seealso{imag, conj}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1805 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1806 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1807 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1808 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1809 retval = args(0).real ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1810 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1811 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
1812
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1813 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1814 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1815
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1816 /*
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1817 %!assert (real (1), 1)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1818 %!assert (real (i), 0)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1819 %!assert (real (1+i), 1)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1820 %!assert (real ([1, i; i, 1]), full (eye (2)))
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1821
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1822 %!assert (real (single (1)), single (1))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1823 %!assert (real (single (i)), single (0))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1824 %!assert (real (single (1+i)), single (1))
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
1825 %!assert (real (single ([1, i; i, 1])), full (eye (2,"single")))
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1826
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1827 %!error real ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1828 %!error real (1, 2)
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1829 */
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1830
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1831 DEFUN (round, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1832 "-*- texinfo -*-\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1833 @deftypefn {Mapping Function} {} round (@var{x})\n\
20172
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1834 Return the integer nearest to @var{x}.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1835 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1836 If @var{x} is complex, return\n\
13929
9cae456085c2 Grammarcheck of documentation before 3.6.0 release.
Rik <octave@nomad.inbox5.com>
parents: 13915
diff changeset
1837 @code{round (real (@var{x})) + round (imag (@var{x})) * I}. If there\n\
13138
5a3983cb9912 Mention roundb in round's docstring
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 12894
diff changeset
1838 are two nearest integers, return the one further away from zero.\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10711
diff changeset
1839 \n\
9141
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1840 @example\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1841 @group\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1842 round ([-2.7, 2.7])\n\
14360
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
1843 @result{} -3 3\n\
9141
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1844 @end group\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1845 @end example\n\
13138
5a3983cb9912 Mention roundb in round's docstring
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 12894
diff changeset
1846 @seealso{ceil, floor, fix, roundb}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1847 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1848 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1849 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1850 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1851 retval = args(0).round ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1852 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1853 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
1854
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1855 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1856 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1857
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1858 /*
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1859 %!assert (round (1), 1)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1860 %!assert (round (1.1), 1)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1861 %!assert (round (5.5), 6)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1862 %!assert (round (i), i)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1863 %!assert (round (2.5+3.5i), 3+4i)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1864 %!assert (round (-2.6), -3)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1865 %!assert (round ([1.1, -2.4; -3.7, 7.1]), [1, -2; -4, 7])
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1866
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1867 %!assert (round (single (1)), single (1))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1868 %!assert (round (single (1.1)), single (1))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1869 %!assert (round (single (5.5)), single (6))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1870 %!assert (round (single (i)), single (i))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1871 %!assert (round (single (2.5+3.5i)), single (3+4i))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1872 %!assert (round (single (-2.6)), single (-3))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1873 %!assert (round (single ([1.1, -2.4; -3.7, 7.1])), single ([1, -2; -4, 7]))
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1874
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1875 %!error round ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1876 %!error round (1, 2)
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1877 */
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1878
7636
99c410f7f0b0 implement mapper function for banker's rounding
Jaroslav Hajek <highegg@gmail.com>
parents: 7601
diff changeset
1879 DEFUN (roundb, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1880 "-*- texinfo -*-\n\
7636
99c410f7f0b0 implement mapper function for banker's rounding
Jaroslav Hajek <highegg@gmail.com>
parents: 7601
diff changeset
1881 @deftypefn {Mapping Function} {} roundb (@var{x})\n\
9064
7c02ec148a3c Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents: 9041
diff changeset
1882 Return the integer nearest to @var{x}. If there are two nearest\n\
20172
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1883 integers, return the even one (banker's rounding).\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1884 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1885 If @var{x} is complex,\n\
7636
99c410f7f0b0 implement mapper function for banker's rounding
Jaroslav Hajek <highegg@gmail.com>
parents: 7601
diff changeset
1886 return @code{roundb (real (@var{x})) + roundb (imag (@var{x})) * I}.\n\
9141
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1887 @seealso{round}\n\
7636
99c410f7f0b0 implement mapper function for banker's rounding
Jaroslav Hajek <highegg@gmail.com>
parents: 7601
diff changeset
1888 @end deftypefn")
99c410f7f0b0 implement mapper function for banker's rounding
Jaroslav Hajek <highegg@gmail.com>
parents: 7601
diff changeset
1889 {
99c410f7f0b0 implement mapper function for banker's rounding
Jaroslav Hajek <highegg@gmail.com>
parents: 7601
diff changeset
1890 octave_value retval;
99c410f7f0b0 implement mapper function for banker's rounding
Jaroslav Hajek <highegg@gmail.com>
parents: 7601
diff changeset
1891 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1892 retval = args(0).roundb ();
7636
99c410f7f0b0 implement mapper function for banker's rounding
Jaroslav Hajek <highegg@gmail.com>
parents: 7601
diff changeset
1893 else
99c410f7f0b0 implement mapper function for banker's rounding
Jaroslav Hajek <highegg@gmail.com>
parents: 7601
diff changeset
1894 print_usage ();
99c410f7f0b0 implement mapper function for banker's rounding
Jaroslav Hajek <highegg@gmail.com>
parents: 7601
diff changeset
1895
99c410f7f0b0 implement mapper function for banker's rounding
Jaroslav Hajek <highegg@gmail.com>
parents: 7601
diff changeset
1896 return retval;
99c410f7f0b0 implement mapper function for banker's rounding
Jaroslav Hajek <highegg@gmail.com>
parents: 7601
diff changeset
1897 }
99c410f7f0b0 implement mapper function for banker's rounding
Jaroslav Hajek <highegg@gmail.com>
parents: 7601
diff changeset
1898
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1899 /*
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1900 %!assert (roundb (1), 1)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1901 %!assert (roundb (1.1), 1)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1902 %!assert (roundb (1.5), 2)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1903 %!assert (roundb (4.5), 4)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1904 %!assert (roundb (i), i)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1905 %!assert (roundb (2.5+3.5i), 2+4i)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1906 %!assert (roundb (-2.6), -3)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1907 %!assert (roundb ([1.1, -2.4; -3.7, 7.1]), [1, -2; -4, 7])
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1908
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1909 %!assert (roundb (single (1)), single (1))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1910 %!assert (roundb (single (1.1)), single (1))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1911 %!assert (roundb (single (1.5)), single (2))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1912 %!assert (roundb (single (4.5)), single (4))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1913 %!assert (roundb (single (i)), single (i))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1914 %!assert (roundb (single (2.5+3.5i)), single (2+4i))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1915 %!assert (roundb (single (-2.6)), single (-3))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1916 %!assert (roundb (single ([1.1, -2.4; -3.7, 7.1])), single ([1, -2; -4, 7]))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1917
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1918 %!error roundb ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1919 %!error roundb (1, 2)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1920 */
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Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1921
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
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diff changeset
1922 DEFUN (sign, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1923 "-*- texinfo -*-\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1924 @deftypefn {Mapping Function} {} sign (@var{x})\n\
20172
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1925 Compute the @dfn{signum} function.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1926 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1927 This is defined as\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1928 @tex\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1929 $$\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1930 {\\rm sign} (@var{x}) = \\cases{1,&$x>0$;\\cr 0,&$x=0$;\\cr -1,&$x<0$.\\cr}\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1931 $$\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1932 @end tex\n\
8517
81d6ab3ac93c Allow documentation tobe built for other formats than tex and info
sh@sh-laptop
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diff changeset
1933 @ifnottex\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1934 \n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1935 @example\n\
9064
7c02ec148a3c Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents: 9041
diff changeset
1936 @group\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1937 -1, x < 0;\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1938 sign (x) = 0, x = 0;\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1939 1, x > 0.\n\
9064
7c02ec148a3c Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents: 9041
diff changeset
1940 @end group\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1941 @end example\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10711
diff changeset
1942 \n\
8517
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sh@sh-laptop
parents: 8459
diff changeset
1943 @end ifnottex\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1944 \n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1945 For complex arguments, @code{sign} returns @code{x ./ abs (@var{x})}.\n\
15488
481417a57a2d improve sign and signbit docs
John W. Eaton <jwe@octave.org>
parents: 15487
diff changeset
1946 \n\
20172
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1947 Note that @code{sign (-0.0)} is 0. Although IEEE 754 floating point\n\
15488
481417a57a2d improve sign and signbit docs
John W. Eaton <jwe@octave.org>
parents: 15487
diff changeset
1948 allows zero to be signed, 0.0 and -0.0 compare equal. If you must test\n\
481417a57a2d improve sign and signbit docs
John W. Eaton <jwe@octave.org>
parents: 15487
diff changeset
1949 whether zero is signed, use the @code{signbit} function.\n\
481417a57a2d improve sign and signbit docs
John W. Eaton <jwe@octave.org>
parents: 15487
diff changeset
1950 @seealso{signbit}\n\
7503
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diff changeset
1951 @end deftypefn")
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David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1952 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1953 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1954 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1955 retval = args(0).signum ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1956 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1957 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
1958
7503
8c32f95c2639 convert mapper functions to new format
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diff changeset
1959 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1960 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1961
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
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diff changeset
1962 /*
13972
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Rik <octave@nomad.inbox5.com>
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diff changeset
1963 %!assert (sign (-2) , -1)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1964 %!assert (sign (0), 0)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1965 %!assert (sign (3), 1)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1966 %!assert (sign ([1, -pi; e, 0]), [1, -1; 1, 0])
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1967
13972
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Rik <octave@nomad.inbox5.com>
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diff changeset
1968 %!assert (sign (single (-2)) , single (-1))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1969 %!assert (sign (single (0)), single (0))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1970 %!assert (sign (single (3)), single (1))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1971 %!assert (sign (single ([1, -pi; e, 0])), single ([1, -1; 1, 0]))
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1972
13972
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Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1973 %!error sign ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
1974 %!error sign (1, 2)
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1975 */
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1976
15487
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
1977 DEFUNX ("signbit", Fsignbit, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1978 "-*- texinfo -*-\n\
15487
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
1979 @deftypefn {Mapping Function} {} signbit (@var{x})\n\
20172
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Rik <rik@octave.org>
parents: 19730
diff changeset
1980 Return logical true if the value of @var{x} has its sign bit set and false\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1981 otherwise.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1982 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1983 This behavior is consistent with the other logical functions.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1984 See @ref{Logical Values}. The behavior differs from the C language function\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
1985 which returns nonzero if the sign bit is set.\n\
15487
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
1986 \n\
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
1987 This is not the same as @code{x < 0.0}, because IEEE 754 floating point\n\
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
1988 allows zero to be signed. The comparison @code{-0.0 < 0.0} is false,\n\
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
1989 but @code{signbit (-0.0)} will return a nonzero value.\n\
15488
481417a57a2d improve sign and signbit docs
John W. Eaton <jwe@octave.org>
parents: 15487
diff changeset
1990 @seealso{sign}\n\
15487
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
1991 @end deftypefn")
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
1992 {
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
1993 octave_value retval;
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1994 if (args.length () == 1)
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1995 {
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1996 retval = args(0).xsignbit ();
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1997 retval = (retval != 0);
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1998 }
15487
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
1999 else
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
2000 print_usage ();
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
2001
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
2002 return retval;
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
2003 }
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
2004
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
2005 /*
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
2006 %!assert (signbit (1) == 0)
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
2007 %!assert (signbit (-2) != 0)
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
2008 %!assert (signbit (0) == 0)
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
2009 %!assert (signbit (-0) != 0)
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
2010
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
2011 %!assert (signbit (single (1)) == 0)
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
2012 %!assert (signbit (single (-2)) != 0)
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
2013 %!assert (signbit (single (0)) == 0)
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
2014 %!assert (signbit (single (-0)) != 0)
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
2015
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
2016 %!error sign ()
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
2017 %!error sign (1, 2)
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
2018 */
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
2019
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2020 DEFUN (sin, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2021 "-*- texinfo -*-\n\
3428
5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe]
jwe
parents: 3411
diff changeset
2022 @deftypefn {Mapping Function} {} sin (@var{x})\n\
9155
ad20b967e1c9 Update section 17.3 (Trigonometry) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9154
diff changeset
2023 Compute the sine for each element of @var{x} in radians.\n\
ad20b967e1c9 Update section 17.3 (Trigonometry) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9154
diff changeset
2024 @seealso{asin, sind, sinh}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2025 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2026 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2027 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2028 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
2029 retval = args(0).sin ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2030 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2031 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
2032
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2033 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2034 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2035
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2036 /*
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2037 %!shared rt2, rt3
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2038 %! rt2 = sqrt (2);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2039 %! rt3 = sqrt (3);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2040
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2041 %!test
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2042 %! x = [0, pi/6, pi/4, pi/3, pi/2, 2*pi/3, 3*pi/4, 5*pi/6, pi];
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2043 %! v = [0, 1/2, rt2/2, rt3/2, 1, rt3/2, rt2/2, 1/2, 0];
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2044 %! assert (sin (x), v, sqrt (eps));
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2045
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2046 %!test
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2047 %! x = single ([0, pi/6, pi/4, pi/3, pi/2, 2*pi/3, 3*pi/4, 5*pi/6, pi]);
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2048 %! v = single ([0, 1/2, rt2/2, rt3/2, 1, rt3/2, rt2/2, 1/2, 0]);
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
2049 %! assert (sin (x), v, sqrt (eps ("single")));
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2050
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2051 %!error sin ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2052 %!error sin (1, 2)
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2053 */
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2054
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2055 DEFUN (sinh, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2056 "-*- texinfo -*-\n\
3428
5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe]
jwe
parents: 3411
diff changeset
2057 @deftypefn {Mapping Function} {} sinh (@var{x})\n\
9155
ad20b967e1c9 Update section 17.3 (Trigonometry) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9154
diff changeset
2058 Compute the hyperbolic sine for each element of @var{x}.\n\
ad20b967e1c9 Update section 17.3 (Trigonometry) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9154
diff changeset
2059 @seealso{asinh, cosh, tanh}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2060 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2061 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2062 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2063 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
2064 retval = args(0).sinh ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2065 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2066 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
2067
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2068 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2069 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2070
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2071 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2072 %!test
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2073 %! x = [0, pi/2*i, pi*i, 3*pi/2*i];
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2074 %! v = [0, i, 0, -i];
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2075 %! assert (sinh (x), v, sqrt (eps));
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2076
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2077 %!test
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2078 %! x = single ([0, pi/2*i, pi*i, 3*pi/2*i]);
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2079 %! v = single ([0, i, 0, -i]);
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
2080 %! assert (sinh (x), v, sqrt (eps ("single")));
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2081
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2082 %!error sinh ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2083 %!error sinh (1, 2)
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
2084 */
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2085
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2086 DEFUN (sqrt, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2087 "-*- texinfo -*-\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
2088 @deftypefn {Mapping Function} {} sqrt (@var{x})\n\
20172
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
2089 Compute the square root of each element of @var{x}.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
2090 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
2091 If @var{x} is negative, a complex result is returned.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
2092 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
2093 To compute the matrix square root, see @ref{Linear Algebra}.\n\
11532
34bb8d38f19f Add undocumented function cbrt to documentation.
Rik <octave@nomad.inbox5.com>
parents: 11529
diff changeset
2094 @seealso{realsqrt, nthroot}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2095 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2096 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2097 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2098 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
2099 retval = args(0).sqrt ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2100 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2101 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
2102
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2103 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2104 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2105
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2106 /*
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2107 %!assert (sqrt (4), 2)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2108 %!assert (sqrt (-1), i)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2109 %!assert (sqrt (1+i), exp (0.5 * log (1+i)), sqrt (eps))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2110 %!assert (sqrt ([4, -4; i, 1-i]), [2, 2i; exp(0.5 * log (i)), exp(0.5 * log (1-i))], sqrt (eps))
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2111
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2112 %!assert (sqrt (single (4)), single (2))
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2113 %!assert (sqrt (single (-1)), single (i))
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
2114 %!assert (sqrt (single (1+i)), single (exp (0.5 * log (1+i))), sqrt (eps ("single")))
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
2115 %!assert (sqrt (single ([4, -4; i, 1-i])), single ([2, 2i; exp(0.5 * log (i)), exp(0.5 * log (1-i))]), sqrt (eps ("single")))
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2116
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2117 %!error sqrt ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2118 %!error sqrt (1, 2)
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2119 */
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2120
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2121 DEFUN (tan, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2122 "-*- texinfo -*-\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
2123 @deftypefn {Mapping Function} {} tan (@var{z})\n\
9155
ad20b967e1c9 Update section 17.3 (Trigonometry) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9154
diff changeset
2124 Compute the tangent for each element of @var{x} in radians.\n\
ad20b967e1c9 Update section 17.3 (Trigonometry) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9154
diff changeset
2125 @seealso{atan, tand, tanh}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2126 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2127 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2128 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2129 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
2130 retval = args(0).tan ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2131 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2132 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
2133
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2134 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2135 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2136
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2137 /*
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2138 %!shared rt2, rt3
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2139 %! rt2 = sqrt (2);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2140 %! rt3 = sqrt (3);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2141
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2142 %!test
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2143 %! x = [0, pi/6, pi/4, pi/3, 2*pi/3, 3*pi/4, 5*pi/6, pi];
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2144 %! v = [0, rt3/3, 1, rt3, -rt3, -1, -rt3/3, 0];
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2145 %! assert (tan (x), v, sqrt (eps));
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2146
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2147 %!test
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2148 %! x = single ([0, pi/6, pi/4, pi/3, 2*pi/3, 3*pi/4, 5*pi/6, pi]);
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2149 %! v = single ([0, rt3/3, 1, rt3, -rt3, -1, -rt3/3, 0]);
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
2150 %! assert (tan (x), v, sqrt (eps ("single")));
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2151
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2152 %!error tan ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2153 %!error tan (1, 2)
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2154 */
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2155
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2156 DEFUN (tanh, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2157 "-*- texinfo -*-\n\
3428
5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe]
jwe
parents: 3411
diff changeset
2158 @deftypefn {Mapping Function} {} tanh (@var{x})\n\
9155
ad20b967e1c9 Update section 17.3 (Trigonometry) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9154
diff changeset
2159 Compute hyperbolic tangent for each element of @var{x}.\n\
ad20b967e1c9 Update section 17.3 (Trigonometry) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9154
diff changeset
2160 @seealso{atanh, sinh, cosh}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2161 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2162 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2163 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2164 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
2165 retval = args(0).tanh ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2166 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2167 print_usage ();
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2168
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2169 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2170 }
1562
1cff14ab83a4 [project @ 1995-10-12 11:02:40 by jwe]
jwe
parents: 1384
diff changeset
2171
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2172 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2173 %!test
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2174 %! x = [0, pi*i];
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2175 %! v = [0, 0];
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2176 %! assert (tanh (x), v, sqrt (eps));
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2177
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2178 %!test
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2179 %! x = single ([0, pi*i]);
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2180 %! v = single ([0, 0]);
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
2181 %! assert (tanh (x), v, sqrt (eps ("single")));
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2182
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2183 %!error tanh ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2184 %!error tanh (1, 2)
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2185 */
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
2186
7528
26d8a92644de try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
2187 DEFUNX ("toascii", Ftoascii, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2188 "-*- texinfo -*-\n\
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
2189 @deftypefn {Mapping Function} {} toascii (@var{s})\n\
20172
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
2190 Return ASCII representation of @var{s} in a matrix.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
2191 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
2192 For example:\n\
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
2193 \n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
2194 @example\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
2195 @group\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
2196 toascii (\"ASCII\")\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
2197 @result{} [ 65, 83, 67, 73, 73 ]\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
2198 @end group\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
2199 \n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
2200 @end example\n\
8442
502e58a0d44f Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8387
diff changeset
2201 @seealso{char}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2202 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2203 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2204 octave_value retval;
12894
ef5ebbf2a657 maint: Rollback changeset 67bf9b30f3f9.
Rik <octave@nomad.inbox5.com>
parents: 12892
diff changeset
2205 if (args.length () == 1)
ef5ebbf2a657 maint: Rollback changeset 67bf9b30f3f9.
Rik <octave@nomad.inbox5.com>
parents: 12892
diff changeset
2206 retval = args(0).xtoascii ();
ef5ebbf2a657 maint: Rollback changeset 67bf9b30f3f9.
Rik <octave@nomad.inbox5.com>
parents: 12892
diff changeset
2207 else
12892
67bf9b30f3f9 Error when given non-string input to tolower, toupper, toascii (Bug #33537).
Rik <octave@nomad.inbox5.com>
parents: 12683
diff changeset
2208 print_usage ();
2267
4028b7c79927 [project @ 1996-05-24 00:39:30 by jwe]
jwe
parents: 2190
diff changeset
2209
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2210 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2211 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2212
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
2213 /*
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2214 %!assert (toascii (char (0:127)), 0:127)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2215 %!assert (toascii (" ":"@"), 32:64)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2216 %!assert (toascii ("A":"Z"), 65:90)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2217 %!assert (toascii ("[":"`"), 91:96)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2218 %!assert (toascii ("a":"z"), 97:122)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2219 %!assert (toascii ("{":"~"), 123:126)
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2220
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2221 %!error toascii ()
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2222 %!error toascii (1, 2)
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
2223 */
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
2224
7528
26d8a92644de try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
2225 DEFUNX ("tolower", Ftolower, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2226 "-*- texinfo -*-\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10711
diff changeset
2227 @deftypefn {Mapping Function} {} tolower (@var{s})\n\
8387
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
2228 @deftypefnx {Mapping Function} {} lower (@var{s})\n\
12642
f96b9b9f141b doc: Periodic grammarcheck and spellcheck of documentation.
Rik <octave@nomad.inbox5.com>
parents: 12636
diff changeset
2229 Return a copy of the string or cell string @var{s}, with each uppercase\n\
f96b9b9f141b doc: Periodic grammarcheck and spellcheck of documentation.
Rik <octave@nomad.inbox5.com>
parents: 12636
diff changeset
2230 character replaced by the corresponding lowercase one; non-alphabetic\n\
20172
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
2231 characters are left unchanged.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
2232 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
2233 For example:\n\
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
2234 \n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
2235 @example\n\
9064
7c02ec148a3c Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents: 9041
diff changeset
2236 @group\n\
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
2237 tolower (\"MiXeD cAsE 123\")\n\
14360
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
2238 @result{} \"mixed case 123\"\n\
9064
7c02ec148a3c Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents: 9041
diff changeset
2239 @end group\n\
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
2240 @end example\n\
8442
502e58a0d44f Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8387
diff changeset
2241 @seealso{toupper}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2242 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2243 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2244 octave_value retval;
12894
ef5ebbf2a657 maint: Rollback changeset 67bf9b30f3f9.
Rik <octave@nomad.inbox5.com>
parents: 12892
diff changeset
2245 if (args.length () == 1)
ef5ebbf2a657 maint: Rollback changeset 67bf9b30f3f9.
Rik <octave@nomad.inbox5.com>
parents: 12892
diff changeset
2246 retval = args(0).xtolower ();
ef5ebbf2a657 maint: Rollback changeset 67bf9b30f3f9.
Rik <octave@nomad.inbox5.com>
parents: 12892
diff changeset
2247 else
12892
67bf9b30f3f9 Error when given non-string input to tolower, toupper, toascii (Bug #33537).
Rik <octave@nomad.inbox5.com>
parents: 12683
diff changeset
2248 print_usage ();
2267
4028b7c79927 [project @ 1996-05-24 00:39:30 by jwe]
jwe
parents: 2190
diff changeset
2249
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2250 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2251 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2252
8387
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
2253 DEFALIAS (lower, tolower);
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
2254
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
2255 /*
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
2256 %!assert (tolower ("OCTAVE"), "octave")
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
2257 %!assert (tolower ("123OCTave!_&"), "123octave!_&")
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
2258 %!assert (tolower ({"ABC", "DEF", {"GHI", {"JKL"}}}), {"abc", "def", {"ghi", {"jkl"}}})
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
2259 %!assert (tolower (["ABC"; "DEF"]), ["abc"; "def"])
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
2260 %!assert (tolower ({["ABC"; "DEF"]}), {["abc";"def"]})
18196
1b6db9303933 allow toupper and tolower to handle numeric values (bug #33537)
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
2261 %!assert (tolower (68), 68)
1b6db9303933 allow toupper and tolower to handle numeric values (bug #33537)
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
2262 %!assert (tolower ({[68, 68; 68, 68]}), {[68, 68; 68, 68]})
1b6db9303933 allow toupper and tolower to handle numeric values (bug #33537)
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
2263 %!test
1b6db9303933 allow toupper and tolower to handle numeric values (bug #33537)
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
2264 %! classes = {@char, @double, @single, ...
1b6db9303933 allow toupper and tolower to handle numeric values (bug #33537)
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
2265 %! @int8, @int16, @int32, @int64, ...
1b6db9303933 allow toupper and tolower to handle numeric values (bug #33537)
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
2266 %! @uint8, @uint16, @uint32, @uint64};
1b6db9303933 allow toupper and tolower to handle numeric values (bug #33537)
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
2267 %! for i = 1:numel (classes)
1b6db9303933 allow toupper and tolower to handle numeric values (bug #33537)
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
2268 %! cls = classes{i};
1b6db9303933 allow toupper and tolower to handle numeric values (bug #33537)
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
2269 %! assert (class (tolower (cls (97))), class (cls (97)));
1b6db9303933 allow toupper and tolower to handle numeric values (bug #33537)
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
2270 %! assert (class (tolower (cls ([98, 99]))), class (cls ([98, 99])));
1b6db9303933 allow toupper and tolower to handle numeric values (bug #33537)
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
2271 %! endfor
8387
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
2272 %!test
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
2273 %! a(3,3,3,3) = "D";
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
2274 %! assert (tolower (a)(3,3,3,3), "d");
8387
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
2275
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
2276 %!test
13964
12fa52c6e886 Use char() instead of deprecated setstr() in %!test code.
Rik <octave@nomad.inbox5.com>
parents: 13929
diff changeset
2277 %! charset = char (0:127);
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
2278 %! result = charset;
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
2279 %! result (toascii ("A":"Z") + 1) = result (toascii ("a":"z") + 1);
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
2280 %! assert (tolower (charset), result);
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2281
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
2282 %!error <Invalid call to tolower> lower ()
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
2283 %!error <Invalid call to tolower> tolower ()
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2284 %!error tolower (1, 2)
8387
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
2285 */
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
2286
7528
26d8a92644de try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
2287 DEFUNX ("toupper", Ftoupper, args, ,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2288 "-*- texinfo -*-\n\
12683
486c9aea34d3 doc: Correctly refer to toupper() as a Mapping Function.
Rik <octave@nomad.inbox5.com>
parents: 12660
diff changeset
2289 @deftypefn {Mapping Function} {} toupper (@var{s})\n\
486c9aea34d3 doc: Correctly refer to toupper() as a Mapping Function.
Rik <octave@nomad.inbox5.com>
parents: 12660
diff changeset
2290 @deftypefnx {Mapping Function} {} upper (@var{s})\n\
12642
f96b9b9f141b doc: Periodic grammarcheck and spellcheck of documentation.
Rik <octave@nomad.inbox5.com>
parents: 12636
diff changeset
2291 Return a copy of the string or cell string @var{s}, with each lowercase\n\
f96b9b9f141b doc: Periodic grammarcheck and spellcheck of documentation.
Rik <octave@nomad.inbox5.com>
parents: 12636
diff changeset
2292 character replaced by the corresponding uppercase one; non-alphabetic\n\
20172
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
2293 characters are left unchanged.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
2294 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents: 19730
diff changeset
2295 For example:\n\
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
2296 \n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
2297 @example\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
2298 @group\n\
3552
41daa489833a [project @ 2000-02-03 03:05:28 by jwe]
jwe
parents: 3458
diff changeset
2299 toupper (\"MiXeD cAsE 123\")\n\
14360
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
2300 @result{} \"MIXED CASE 123\"\n\
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
2301 @end group\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
2302 @end example\n\
8442
502e58a0d44f Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8387
diff changeset
2303 @seealso{tolower}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2304 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2305 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2306 octave_value retval;
12894
ef5ebbf2a657 maint: Rollback changeset 67bf9b30f3f9.
Rik <octave@nomad.inbox5.com>
parents: 12892
diff changeset
2307 if (args.length () == 1)
ef5ebbf2a657 maint: Rollback changeset 67bf9b30f3f9.
Rik <octave@nomad.inbox5.com>
parents: 12892
diff changeset
2308 retval = args(0).xtoupper ();
ef5ebbf2a657 maint: Rollback changeset 67bf9b30f3f9.
Rik <octave@nomad.inbox5.com>
parents: 12892
diff changeset
2309 else
12892
67bf9b30f3f9 Error when given non-string input to tolower, toupper, toascii (Bug #33537).
Rik <octave@nomad.inbox5.com>
parents: 12683
diff changeset
2310 print_usage ();
3206
d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe]
jwe
parents: 3156
diff changeset
2311
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2312 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2313 }
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
2314
8387
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
2315 DEFALIAS (upper, toupper);
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
2316
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
2317 /*
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2318 %!assert (toupper ("octave"), "OCTAVE")
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2319 %!assert (toupper ("123OCTave!_&"), "123OCTAVE!_&")
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2320 %!assert (toupper ({"abc", "def", {"ghi", {"jkl"}}}), {"ABC", "DEF", {"GHI", {"JKL"}}})
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2321 %!assert (toupper (["abc"; "def"]), ["ABC"; "DEF"])
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2322 %!assert (toupper ({["abc"; "def"]}), {["ABC";"DEF"]})
18196
1b6db9303933 allow toupper and tolower to handle numeric values (bug #33537)
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
2323 %!assert (toupper (100), 100)
1b6db9303933 allow toupper and tolower to handle numeric values (bug #33537)
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
2324 %!assert (toupper ({[100, 100; 100, 100]}), {[100, 100; 100, 100]})
1b6db9303933 allow toupper and tolower to handle numeric values (bug #33537)
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
2325 %!test
1b6db9303933 allow toupper and tolower to handle numeric values (bug #33537)
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
2326 %! classes = {@char, @double, @single, ...
1b6db9303933 allow toupper and tolower to handle numeric values (bug #33537)
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
2327 %! @int8, @int16, @int32, @int64, ...
1b6db9303933 allow toupper and tolower to handle numeric values (bug #33537)
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
2328 %! @uint8, @uint16, @uint32, @uint64};
1b6db9303933 allow toupper and tolower to handle numeric values (bug #33537)
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
2329 %! for i = 1:numel (classes)
1b6db9303933 allow toupper and tolower to handle numeric values (bug #33537)
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
2330 %! cls = classes{i};
1b6db9303933 allow toupper and tolower to handle numeric values (bug #33537)
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
2331 %! assert (class (toupper (cls (97))), class (cls (97)));
1b6db9303933 allow toupper and tolower to handle numeric values (bug #33537)
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
2332 %! assert (class (toupper (cls ([98, 99]))), class (cls ([98, 99])));
1b6db9303933 allow toupper and tolower to handle numeric values (bug #33537)
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
2333 %! endfor
8387
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
2334 %!test
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
2335 %! a(3,3,3,3) = "d";
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
2336 %! assert (toupper (a)(3,3,3,3), "D");
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
2337 %!test
13964
12fa52c6e886 Use char() instead of deprecated setstr() in %!test code.
Rik <octave@nomad.inbox5.com>
parents: 13929
diff changeset
2338 %! charset = char (0:127);
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13093
diff changeset
2339 %! result = charset;
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
2340 %! result (toascii ("a":"z") + 1) = result (toascii ("A":"Z") + 1);
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
2341 %! assert (toupper (charset), result);
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2342
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
2343 %!error <Invalid call to toupper> toupper ()
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
2344 %!error <Invalid call to toupper> upper ()
13972
09432c6f23e7 mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents: 13966
diff changeset
2345 %!error toupper (1, 2)
8387
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
2346 */
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
2347
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2348 DEFALIAS (gammaln, lgamma);
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
2349