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annotate src/mappers.cc @ 13093:1a21c4c5eeeb

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Fix tolerance for mappers.cc test on MacOS.
author Ben Abbott <bpabbott@mac.com>
date Sat, 03 Sep 2011 19:41:47 -0400
parents ef5ebbf2a657
children 98d23b0f16e1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2
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John W. Eaton <jwe@octave.org>
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3 Copyright (C) 1993-2011 John W. Eaton
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John W. Eaton <jwe@octave.org>
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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.
1
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12
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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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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78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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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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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}, defined as\n\
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43 @tex\n\
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44 $|z| = \\sqrt{x^2 + y^2}$.\n\
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45 @end tex\n\
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46 @ifnottex\n\
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47 |@var{z}| = @code{sqrt (x^2 + y^2)}.\n\
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48 @end ifnottex\n\
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49 \n\
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50 For example:\n\
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51 \n\
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52 @example\n\
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53 @group\n\
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54 abs (3 + 4i)\n\
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55 @result{} 5\n\
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56 @end group\n\
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57 @end example\n\
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58 @end deftypefn")
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59 {
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60 octave_value retval;
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61 if (args.length () == 1)
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62 retval = args(0).abs ();
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63 else
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64 print_usage ();
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65
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66 return retval;
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67 }
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68
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69 /*
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70
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71 %!assert(abs (1), 1);
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72 %!assert(abs (-3.5), 3.5);
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73 %!assert(abs (3+4i), 5);
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74 %!assert(abs (3-4i), 5);
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75 %!assert(abs ([1.1, 3i; 3+4i, -3-4i]), [1.1, 3; 5, 5]);
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76
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77 %!assert(abs (single(1)), single(1));
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78 %!assert(abs (single(-3.5)), single(3.5));
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79 %!assert(abs (single(3+4i)), single(5));
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80 %!assert(abs (single(3-4i)), single(5));
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81 %!assert(abs (single([1.1, 3i; 3+4i, -3-4i])), single([1.1, 3; 5, 5]));
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82
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83 %!error abs ();
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84 %!error abs (1, 2);
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85
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86 */
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87
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88 DEFUN (acos, args, ,
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89 "-*- texinfo -*-\n\
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90 @deftypefn {Mapping Function} {} acos (@var{x})\n\
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91 Compute the inverse cosine in radians for each element of @var{x}.\n\
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92 @seealso{cos, acosd}\n\
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93 @end deftypefn")
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94 {
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95 octave_value retval;
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96 if (args.length () == 1)
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97 retval = args(0).acos ();
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98 else
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99 print_usage ();
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100
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101 return retval;
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102 }
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103
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104 /*
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105
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106 %!test
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107 %! rt2 = sqrt (2);
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108 %! rt3 = sqrt (3);
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109 %! v = [0, pi/6, pi/4, pi/3, pi/2, 2*pi/3, 3*pi/4, 5*pi/6, pi];
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110 %! x = [1, rt3/2, rt2/2, 1/2, 0, -1/2, -rt2/2, -rt3/2, -1];
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111 %! assert(acos (x), v, sqrt(eps));
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112
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113 %!test
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114 %! rt2 = sqrt (2);
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115 %! rt3 = sqrt (3);
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116 %! 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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117 %! x = single ([1, rt3/2, rt2/2, 1/2, 0, -1/2, -rt2/2, -rt3/2, -1]);
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118 %! assert(acos (x), v, sqrt(eps('single')));
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119
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120 %!error acos ();
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121 %!error acos (1, 2);
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122
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123 */
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124
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125 DEFUN (acosh, args, ,
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126 "-*- texinfo -*-\n\
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127 @deftypefn {Mapping Function} {} acosh (@var{x})\n\
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128 Compute the inverse hyperbolic cosine for each element of @var{x}.\n\
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129 @seealso{cosh}\n\
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130 @end deftypefn")
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131 {
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132 octave_value retval;
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133 if (args.length () == 1)
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134 retval = args(0).acosh ();
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135 else
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136 print_usage ();
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137
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138 return retval;
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139 }
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140
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141 /*
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142
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143 %!test
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144 %! v = [0, pi/2*i, pi*i, pi/2*i];
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145 %! x = [1, 0, -1, 0];
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146 %! assert(acosh (x), v, sqrt(eps));
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147
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148 %!test
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149 %! v = single([0, pi/2*i, pi*i, pi/2*i]);
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150 %! x = single([1, 0, -1, 0]);
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151 %! assert(acosh (x), v, sqrt (eps('single')));
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152
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153 %!error acosh ();
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154 %!error acosh (1, 2);
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155
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156 */
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157
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158 DEFUN (angle, args, ,
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159 "-*- texinfo -*-\n\
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160 @deftypefn {Mapping Function} {} angle (@var{z})\n\
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161 See arg.\n\
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162 @end deftypefn")
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163 {
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164 octave_value retval;
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165 if (args.length () == 1)
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166 retval = args(0).arg ();
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167 else
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168 print_usage ();
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169
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170 return retval;
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171 }
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172
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173 DEFUN (arg, args, ,
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174 "-*- texinfo -*-\n\
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175 @deftypefn {Mapping Function} {} arg (@var{z})\n\
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176 @deftypefnx {Mapping Function} {} angle (@var{z})\n\
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177 Compute the argument of @var{z}, defined as,\n\
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178 @tex\n\
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179 $\\theta = atan2 (y, x),$\n\
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180 @end tex\n\
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181 @ifnottex\n\
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182 @var{theta} = @code{atan2 (@var{y}, @var{x})},\n\
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183 @end ifnottex\n\
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184 in radians.\n\
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185 \n\
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186 For example:\n\
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187 \n\
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188 @example\n\
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189 @group\n\
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190 arg (3 + 4i)\n\
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191 @result{} 0.92730\n\
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192 @end group\n\
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193 @end example\n\
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194 @end deftypefn")
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195 {
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196 octave_value retval;
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197 if (args.length () == 1)
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198 retval = args(0).arg ();
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199 else
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200 print_usage ();
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201
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202 return retval;
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203 }
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204
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205 /*
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206
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207 %!assert(arg (1), 0);
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208 %!assert(arg (i), pi/2);
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209 %!assert(arg (-1), pi);
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210 %!assert(arg (-i), -pi/2);
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211 %!assert(arg ([1, i; -1, -i]), [0, pi/2; pi, -pi/2]);
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212
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213 %!assert(arg (single(1)), single(0));
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214 %!assert(arg (single(i)), single(pi/2));
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215 %!test
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216 %! if (ismac ())
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217 %! ## Avoid failing for a MacOS feature
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218 %! assert(arg (single(-1)), single(pi), 2*eps(single(1)));
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219 %! else
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220 %! assert(arg (single(-1)), single(pi));
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221 %! endif
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222 %!assert(arg (single(-i)), single(-pi/2));
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223 %!assert(arg (single([1, i; -1, -i])), single([0, pi/2; pi, -pi/2]), 2e1*eps('single'));
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224
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225 %!error arg ();
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226 %!error arg (1, 2);
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227
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228 */
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229
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230 DEFUN (asin, args, ,
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231 "-*- texinfo -*-\n\
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232 @deftypefn {Mapping Function} {} asin (@var{x})\n\
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233 Compute the inverse sine in radians for each element of @var{x}.\n\
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234 @seealso{sin, asind}\n\
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235 @end deftypefn")
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236 {
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237 octave_value retval;
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238 if (args.length () == 1)
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239 retval = args(0).asin ();
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240 else
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241 print_usage ();
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242
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243 return retval;
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244 }
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245
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246 /*
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247 %!test
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248 %! rt2 = sqrt (2);
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249 %! rt3 = sqrt (3);
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250 %! v = [0, pi/6, pi/4, pi/3, pi/2, pi/3, pi/4, pi/6, 0];
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251 %! x = [0, 1/2, rt2/2, rt3/2, 1, rt3/2, rt2/2, 1/2, 0];
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252 %! assert(all (abs (asin (x) - v) < sqrt (eps)));
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253 %!error asin ();
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254 %!error asin (1, 2);
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255 */
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256
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257 DEFUN (asinh, args, ,
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258 "-*- texinfo -*-\n\
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259 @deftypefn {Mapping Function} {} asinh (@var{x})\n\
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260 Compute the inverse hyperbolic sine for each element of @var{x}.\n\
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261 @seealso{sinh}\n\
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262 @end deftypefn")
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263 {
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264 octave_value retval;
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265 if (args.length () == 1)
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266 retval = args(0).asinh ();
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267 else
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268 print_usage ();
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269
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270 return retval;
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271 }
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272
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273 /*
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274
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275 %!test
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276 %! v = [0, pi/2*i, 0, -pi/2*i];
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277 %! x = [0, i, 0, -i];
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278 %! assert(asinh (x), v, sqrt (eps));
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279
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280 %!test
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281 %! v = single([0, pi/2*i, 0, -pi/2*i]);
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282 %! x = single([0, i, 0, -i]);
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283 %! assert(asinh (x), v, sqrt (eps('single')));
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284
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285 %!error asinh ();
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286 %!error asinh (1, 2);
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287
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288 */
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289
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290 DEFUN (atan, args, ,
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291 "-*- texinfo -*-\n\
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292 @deftypefn {Mapping Function} {} atan (@var{x})\n\
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293 Compute the inverse tangent in radians for each element of @var{x}.\n\
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294 @seealso{tan, atand}\n\
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295 @end deftypefn")
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296 {
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297 octave_value retval;
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298 if (args.length () == 1)
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299 retval = args(0).atan ();
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300 else
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301 print_usage ();
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302
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303 return retval;
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304 }
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305
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306 /*
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307
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308 %!test
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309 %! rt2 = sqrt (2);
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310 %! rt3 = sqrt (3);
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311 %! v = [0, pi/6, pi/4, pi/3, -pi/3, -pi/4, -pi/6, 0];
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312 %! x = [0, rt3/3, 1, rt3, -rt3, -1, -rt3/3, 0];
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313 %! assert(atan (x), v, sqrt (eps));
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314
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315 %!test
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316 %! rt2 = sqrt (2);
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317 %! rt3 = sqrt (3);
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318 %! v = single([0, pi/6, pi/4, pi/3, -pi/3, -pi/4, -pi/6, 0]);
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319 %! x = single([0, rt3/3, 1, rt3, -rt3, -1, -rt3/3, 0]);
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320 %! assert(atan (x), v, sqrt (eps('single')));
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321
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322 %!error atan ();
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323 %!error atan (1, 2);
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324
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325 */
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326
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327 DEFUN (atanh, args, ,
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328 "-*- texinfo -*-\n\
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329 @deftypefn {Mapping Function} {} atanh (@var{x})\n\
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330 Compute the inverse hyperbolic tangent for each element of @var{x}.\n\
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331 @seealso{tanh}\n\
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332 @end deftypefn")
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333 {
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334 octave_value retval;
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335 if (args.length () == 1)
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336 retval = args(0).atanh ();
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337 else
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338 print_usage ();
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339
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340 return retval;
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341 }
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342
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343 /*
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344
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345 %!test
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346 %! v = [0, 0];
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347 %! x = [0, 0];
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348 %! assert(atanh (x), v, sqrt (eps));
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349
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350 %!test
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351 %! v = single([0, 0]);
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352 %! x = single([0, 0]);
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353 %! assert(atanh (x), v, sqrt (eps('single')));
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354
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355 %!error atanh ();
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356 %!error atanh (1, 2);
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357
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358 */
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359
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360 DEFUN (cbrt, args, ,
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361 "-*- texinfo -*-\n\
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362 @deftypefn {Mapping Function} {} cbrt (@var{x})\n\
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363 Compute the real cube root of each element of @var{x}.\n\
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364 Unlike @code{@var{x}^(1/3)}, the result will be negative if @var{x} is\n\
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365 negative.\n\
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366 @seealso{nthroot}\n\
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367 @end deftypefn")
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368 {
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369 octave_value retval;
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370 if (args.length () == 1)
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371 retval = args(0).cbrt ();
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372 else
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373 print_usage ();
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374
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375 return retval;
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376 }
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377
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378 /*
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379
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380 %!assert (cbrt (64), 4)
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381 %!assert (cbrt (-125), -5)
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382 %!assert (cbrt (0), 0)
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383 %!assert (cbrt (Inf), Inf)
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384 %!assert (cbrt (-Inf), -Inf)
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385 %!assert (cbrt (NaN), NaN)
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386 %!assert (cbrt (2^300), 2^100)
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387 %!assert (cbrt (125*2^300), 5*2^100)
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388
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389 */
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390
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391 DEFUN (ceil, args, ,
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392 "-*- texinfo -*-\n\
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393 @deftypefn {Mapping Function} {} ceil (@var{x})\n\
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394 Return the smallest integer not less than @var{x}. This is equivalent to\n\
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395 rounding towards positive infinity. If @var{x} is\n\
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396 complex, return @code{ceil (real (@var{x})) + ceil (imag (@var{x})) * I}.\n\
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397 \n\
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398 @example\n\
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399 @group\n\
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400 ceil ([-2.7, 2.7])\n\
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401 @result{} -2 3\n\
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402 @end group\n\
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403 @end example\n\
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404 @seealso{floor, round, fix}\n\
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405 @end deftypefn")
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406 {
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407 octave_value retval;
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408 if (args.length () == 1)
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409 retval = args(0).ceil ();
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410 else
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411 print_usage ();
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412
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413 return retval;
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414 }
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415
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416 /*
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417
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418 %% double precision
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419 %!assert(ceil ([2, 1.1, -1.1, -1]), [2, 2, -1, -1]);
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420
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421 %% compelx double precison
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422 %!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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423
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424 %% single precision
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425 %!assert(ceil (single([2, 1.1, -1.1, -1])), single([2, 2, -1, -1]));
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426
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427 %% compelx single preci
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428 %!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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429
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430 %!error ceil ();
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431 %!error ceil (1, 2);
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432
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433 */
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434
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diff changeset
435 DEFUN (conj, args, ,
3381
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jwe
parents: 3373
diff changeset
436 "-*- texinfo -*-\n\
3321
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jwe
parents: 3249
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437 @deftypefn {Mapping Function} {} conj (@var{z})\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
438 Return the complex conjugate of @var{z}, defined as\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
439 @tex\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
440 $\\bar{z} = x - iy$.\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
441 @end tex\n\
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diff changeset
442 @ifnottex\n\
3321
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443 @code{conj (@var{z})} = @var{x} - @var{i}@var{y}.\n\
8517
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diff changeset
444 @end ifnottex\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
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parents: 5518
diff changeset
445 @seealso{real, imag}\n\
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446 @end deftypefn")
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parents: 7385
diff changeset
447 {
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448 octave_value retval;
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449 if (args.length () == 1)
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450 retval = args(0).conj ();
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451 else
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452 print_usage ();
529
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jwe
parents: 331
diff changeset
453
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454 return retval;
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455 }
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David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
456
7815
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David Bateman <dbateman@free.fr>
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457 /*
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458
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diff changeset
459 %!assert(conj (1), 1);
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diff changeset
460 %!assert(conj (i), -i)
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David Bateman <dbateman@free.fr>
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diff changeset
461 %!assert(conj (1+i), 1-i)
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David Bateman <dbateman@free.fr>
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diff changeset
462 %!assert(conj (1-i), 1+i)
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David Bateman <dbateman@free.fr>
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diff changeset
463 %!assert(conj ([-1, -i; -1+i, -1-i]), [-1, i; -1-i, -1+i]);
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464
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diff changeset
465 %!assert(conj (single(1)), single(1));
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466 %!assert(conj (single(i)), single(-i))
a41df65f3f00 Add some single precision test code and fix resulting bugs
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467 %!assert(conj (single(1+i)), single(1-i))
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468 %!assert(conj (single(1-i)), single(1+i))
a41df65f3f00 Add some single precision test code and fix resulting bugs
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469 %!assert(conj (single([-1, -i; -1+i, -1-i])), single([-1, i; -1-i, -1+i]));
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470
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diff changeset
471 %!error conj ();
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diff changeset
472 %!error conj (1, 2);
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473
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474 */
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475
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476 DEFUN (cos, args, ,
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jwe
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diff changeset
477 "-*- texinfo -*-\n\
3428
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478 @deftypefn {Mapping Function} {} cos (@var{x})\n\
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479 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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480 @seealso{acos, cosd, cosh}\n\
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diff changeset
481 @end deftypefn")
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482 {
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483 octave_value retval;
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484 if (args.length () == 1)
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485 retval = args(0).cos ();
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486 else
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487 print_usage ();
529
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488
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489 return retval;
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diff changeset
490 }
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diff changeset
491
7815
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492 /*
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diff changeset
493
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diff changeset
494 %!test
a41df65f3f00 Add some single precision test code and fix resulting bugs
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diff changeset
495 %! rt2 = sqrt (2);
a41df65f3f00 Add some single precision test code and fix resulting bugs
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496 %! rt3 = sqrt (3);
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497 %! x = [0, pi/6, pi/4, pi/3, pi/2, 2*pi/3, 3*pi/4, 5*pi/6, pi];
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498 %! v = [1, rt3/2, rt2/2, 1/2, 0, -1/2, -rt2/2, -rt3/2, -1];
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diff changeset
499 %! assert(cos (x), v, sqrt (eps));
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diff changeset
500
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diff changeset
501 %!test
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diff changeset
502 %! rt2 = sqrt (2);
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503 %! rt3 = sqrt (3);
a41df65f3f00 Add some single precision test code and fix resulting bugs
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diff changeset
504 %! x = single([0, pi/6, pi/4, pi/3, pi/2, 2*pi/3, 3*pi/4, 5*pi/6, pi]);
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diff changeset
505 %! v = single([1, rt3/2, rt2/2, 1/2, 0, -1/2, -rt2/2, -rt3/2, -1]);
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diff changeset
506 %! assert(cos (x), v, sqrt (eps('single')));
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diff changeset
507
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diff changeset
508 %!error cos ();
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David Bateman <dbateman@free.fr>
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diff changeset
509 %!error cos (1, 2);
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diff changeset
510
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diff changeset
511 */
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diff changeset
512
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diff changeset
513 DEFUN (cosh, args, ,
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jwe
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diff changeset
514 "-*- texinfo -*-\n\
3428
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515 @deftypefn {Mapping Function} {} cosh (@var{x})\n\
9155
ad20b967e1c9 Update section 17.3 (Trigonometry) of arith.txi
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516 Compute the hyperbolic cosine for each element of @var{x}.\n\
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diff changeset
517 @seealso{acosh, sinh, tanh}\n\
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diff changeset
518 @end deftypefn")
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diff changeset
519 {
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diff changeset
520 octave_value retval;
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diff changeset
521 if (args.length () == 1)
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Jaroslav Hajek <highegg@gmail.com>
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522 retval = args(0).cosh ();
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523 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
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diff changeset
524 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
525
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diff changeset
526 return retval;
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diff changeset
527 }
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David Bateman <dbateman@free.fr>
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diff changeset
528
7815
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529 /*
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David Bateman <dbateman@free.fr>
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diff changeset
530
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diff changeset
531 %!test
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diff changeset
532 %! x = [0, pi/2*i, pi*i, 3*pi/2*i];
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diff changeset
533 %! v = [1, 0, -1, 0];
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David Bateman <dbateman@free.fr>
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diff changeset
534 %! assert(cosh (x), v, sqrt (eps));
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David Bateman <dbateman@free.fr>
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diff changeset
535
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David Bateman <dbateman@free.fr>
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diff changeset
536 %!test
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David Bateman <dbateman@free.fr>
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diff changeset
537 %! x = single([0, pi/2*i, pi*i, 3*pi/2*i]);
a41df65f3f00 Add some single precision test code and fix resulting bugs
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diff changeset
538 %! v = single([1, 0, -1, 0]);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
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diff changeset
539 %! assert(cosh (x), v, sqrt (eps ('single')));
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David Bateman <dbateman@free.fr>
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diff changeset
540
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David Bateman <dbateman@free.fr>
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diff changeset
541 %!error cosh ();
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David Bateman <dbateman@free.fr>
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diff changeset
542 %!error cosh (1, 2);
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David Bateman <dbateman@free.fr>
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diff changeset
543
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diff changeset
544 */
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David Bateman <dbateman@free.fr>
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diff changeset
545
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diff changeset
546 DEFUN (erf, args, ,
3321
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jwe
parents: 3249
diff changeset
547 "-*- texinfo -*-\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
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diff changeset
548 @deftypefn {Mapping Function} {} erf (@var{z})\n\
11572
7d6d8c1e471f Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents: 11532
diff changeset
549 Compute the error function,\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
550 @tex\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
551 $$\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
552 {\\rm erf} (z) = {2 \\over \\sqrt{\\pi}}\\int_0^z e^{-t^2} dt\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
553 $$\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
554 @end tex\n\
8517
81d6ab3ac93c Allow documentation tobe built for other formats than tex and info
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diff changeset
555 @ifnottex\n\
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jwe
parents: 3249
diff changeset
556 \n\
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diff changeset
557 @example\n\
9155
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Rik <rdrider0-list@yahoo.com>
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diff changeset
558 @group\n\
12654
20e64dab6896 doc: Correct spacing in erf and gamma documentation in INFO mode.
Rik <octave@nomad.inbox5.com>
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diff changeset
559 @c spacing appears odd here, but is correct after Makeinfo\n\
20e64dab6896 doc: Correct spacing in erf and gamma documentation in INFO mode.
Rik <octave@nomad.inbox5.com>
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diff changeset
560 z\n\
20e64dab6896 doc: Correct spacing in erf and gamma documentation in INFO mode.
Rik <octave@nomad.inbox5.com>
parents: 12642
diff changeset
561 /\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
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parents: 3249
diff changeset
562 erf (z) = (2/sqrt (pi)) | e^(-t^2) dt\n\
12654
20e64dab6896 doc: Correct spacing in erf and gamma documentation in INFO mode.
Rik <octave@nomad.inbox5.com>
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diff changeset
563 /\n\
20e64dab6896 doc: Correct spacing in erf and gamma documentation in INFO mode.
Rik <octave@nomad.inbox5.com>
parents: 12642
diff changeset
564 t=0\n\
9155
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parents: 9154
diff changeset
565 @end group\n\
9153
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diff changeset
566 @end example\n\
10840
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Rik <octave@nomad.inbox5.com>
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diff changeset
567 \n\
8517
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parents: 8459
diff changeset
568 @end ifnottex\n\
11529
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Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
569 @seealso{erfc, erfcx, erfinv}\n\
7503
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diff changeset
570 @end deftypefn")
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diff changeset
571 {
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diff changeset
572 octave_value retval;
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diff changeset
573 if (args.length () == 1)
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diff changeset
574 retval = args(0).erf ();
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diff changeset
575 else
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David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
576 print_usage ();
624
1a7dea6fa26b [project @ 1994-08-17 16:19:40 by jwe]
jwe
parents: 529
diff changeset
577
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David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
578 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
579 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
580
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
581 /*
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
582
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
583 %!test
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
584 %! a = -1i*sqrt(-1/(6.4187*6.4187));
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
585 %! assert (erf(a), erf(real(a)));
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
586
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
587 %!test
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
588 %! x=[0,.5,1];
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
589 %! v=[0, .520499877813047, .842700792949715];
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
590 %! assert(all(abs(erf(x)-v)<1.e-10) && all(abs(erf(-x)+v)<1.e-10) && all(abs(erfc(x)+v-1)<1.e-10) && all(abs(erfinv(v)-x)<1.e-10));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
591
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
592 %!test
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
593 %! a = -1i*sqrt(single (-1/(6.4187*6.4187)));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
594 %! assert (erf(a), erf(real(a)));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
595
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
596 %!test
a41df65f3f00 Add some single precision test code and fix resulting bugs
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parents: 7814
diff changeset
597 %! x=single ([0,.5,1]);
a41df65f3f00 Add some single precision test code and fix resulting bugs
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parents: 7814
diff changeset
598 %! v=single ([0, .520499877813047, .842700792949715]);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
599 %! assert(all(abs(erf(x)-v)<1.e-6) && all(abs(erf(-x)+v)<1.e-6) && all(abs(erfc(x)+v-1)<1.e-6) && all(abs(erfinv(v)-x)<1.e-6));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
600
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
601 %% test/octave.test/arith/erf-2.m
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
602 %!error erf();
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
603
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
604 %% test/octave.test/arith/erf-3.m
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
605 %!error erf(1,2);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
606
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
607
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
608
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
609 */
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
610
9835
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
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diff changeset
611 DEFUN (erfinv, args, ,
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
parents: 9813
diff changeset
612 "-*- texinfo -*-\n\
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
parents: 9813
diff changeset
613 @deftypefn {Mapping Function} {} erfinv (@var{x})\n\
11572
7d6d8c1e471f Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents: 11532
diff changeset
614 Compute the inverse error function, i.e., @var{y} such that\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10711
diff changeset
615 \n\
9835
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parents: 9813
diff changeset
616 @example\n\
12654
20e64dab6896 doc: Correct spacing in erf and gamma documentation in INFO mode.
Rik <octave@nomad.inbox5.com>
parents: 12642
diff changeset
617 erf (@var{y}) == @var{x}\n\
9835
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Jaroslav Hajek <highegg@gmail.com>
parents: 9813
diff changeset
618 @end example\n\
11529
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Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
619 @seealso{erf, erfc, erfcx}\n\
9835
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diff changeset
620 @end deftypefn")
1bb1ed717d2f implement built-in erfinv
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parents: 9813
diff changeset
621 {
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
parents: 9813
diff changeset
622 octave_value retval;
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
parents: 9813
diff changeset
623 if (args.length () == 1)
1bb1ed717d2f implement built-in erfinv
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parents: 9813
diff changeset
624 retval = args(0).erfinv ();
1bb1ed717d2f implement built-in erfinv
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parents: 9813
diff changeset
625 else
1bb1ed717d2f implement built-in erfinv
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parents: 9813
diff changeset
626 print_usage ();
1bb1ed717d2f implement built-in erfinv
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parents: 9813
diff changeset
627
1bb1ed717d2f implement built-in erfinv
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parents: 9813
diff changeset
628 return retval;
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
parents: 9813
diff changeset
629 }
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
parents: 9813
diff changeset
630
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
parents: 9813
diff changeset
631 /*
1bb1ed717d2f implement built-in erfinv
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parents: 9813
diff changeset
632 %% middle region
10049
44e889c67abe mappers.cc: Change test tolerance from 1e-16 to eps.
Ben Abbott <bpabbott@mac.com>
parents: 9835
diff changeset
633 %!assert (erf (erfinv ([-0.9 -0.3 0 0.4 0.8])), [-0.9 -0.3 0 0.4 0.8], eps)
9835
1bb1ed717d2f implement built-in erfinv
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parents: 9813
diff changeset
634 %!assert (erf (erfinv (single ([-0.9 -0.3 0 0.4 0.8]))), single ([-0.9 -0.3 0 0.4 0.8]), 1e-8)
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
parents: 9813
diff changeset
635 %% tail region
10049
44e889c67abe mappers.cc: Change test tolerance from 1e-16 to eps.
Ben Abbott <bpabbott@mac.com>
parents: 9835
diff changeset
636 %!assert (erf (erfinv ([-0.999 -0.99 0.9999 0.99999])), [-0.999 -0.99 0.9999 0.99999], eps)
9835
1bb1ed717d2f implement built-in erfinv
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parents: 9813
diff changeset
637 %!assert (erf (erfinv (single ([-0.999 -0.99 0.9999 0.99999]))), single ([-0.999 -0.99 0.9999 0.99999]), 1e-8)
1bb1ed717d2f implement built-in erfinv
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parents: 9813
diff changeset
638 %% backward - loss of accuracy
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
parents: 9813
diff changeset
639 %!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
640 %!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)
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
parents: 9813
diff changeset
641 %% exceptional
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
parents: 9813
diff changeset
642 %!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
643 %!error erfinv (1+2i)
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
parents: 9813
diff changeset
644 */
1bb1ed717d2f implement built-in erfinv
Jaroslav Hajek <highegg@gmail.com>
parents: 9813
diff changeset
645
7503
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David Bateman <dbateman@free.fr>
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diff changeset
646 DEFUN (erfc, args, ,
3321
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jwe
parents: 3249
diff changeset
647 "-*- texinfo -*-\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
648 @deftypefn {Mapping Function} {} erfc (@var{z})\n\
11572
7d6d8c1e471f Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents: 11532
diff changeset
649 Compute the complementary error function,\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
650 @tex\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
651 $1 - {\\rm erf} (z)$.\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
652 @end tex\n\
8517
81d6ab3ac93c Allow documentation tobe built for other formats than tex and info
sh@sh-laptop
parents: 8459
diff changeset
653 @ifnottex\n\
12654
20e64dab6896 doc: Correct spacing in erf and gamma documentation in INFO mode.
Rik <octave@nomad.inbox5.com>
parents: 12642
diff changeset
654 @w{@code{1 - erf (@var{z})}}.\n\
8517
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parents: 8459
diff changeset
655 @end ifnottex\n\
11529
f98f925d8e5c Add undocumented function erfcx to documentation.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
656 @seealso{erfcx, erf, erfinv}\n\
7503
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David Bateman <dbateman@free.fr>
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diff changeset
657 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
658 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
659 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
660 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
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diff changeset
661 retval = args(0).erfc ();
7503
8c32f95c2639 convert mapper functions to new format
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diff changeset
662 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
663 print_usage ();
624
1a7dea6fa26b [project @ 1994-08-17 16:19:40 by jwe]
jwe
parents: 529
diff changeset
664
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
665 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
666 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
667
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
668 /*
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
669
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
670 %!test
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
671 %! a = -1i*sqrt(-1/(6.4187*6.4187));
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
672 %! assert (erfc(a), erfc(real(a)));
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
673
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
674 */
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
675
10391
59e34bcdff13 implement built-in erfcx
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parents: 10160
diff changeset
676 DEFUN (erfcx, args, ,
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
677 "-*- texinfo -*-\n\
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
678 @deftypefn {Mapping Function} {} erfcx (@var{z})\n\
11572
7d6d8c1e471f Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents: 11532
diff changeset
679 Compute the scaled complementary error function,\n\
10391
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
680 @tex\n\
12660
eae41900ca01 Use correct definition of erfcx in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12654
diff changeset
681 $$\n\
eae41900ca01 Use correct definition of erfcx in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12654
diff changeset
682 e^{z^2} {\\rm erfc} (z) \\equiv e^{z^2} (1 - {\\rm erf} (z))\n\
eae41900ca01 Use correct definition of erfcx in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12654
diff changeset
683 $$\n\
10391
59e34bcdff13 implement built-in erfcx
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diff changeset
684 @end tex\n\
59e34bcdff13 implement built-in erfcx
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parents: 10160
diff changeset
685 @ifnottex\n\
12660
eae41900ca01 Use correct definition of erfcx in documentation.
Rik <octave@nomad.inbox5.com>
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diff changeset
686 \n\
eae41900ca01 Use correct definition of erfcx in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12654
diff changeset
687 @example\n\
eae41900ca01 Use correct definition of erfcx in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12654
diff changeset
688 exp (z^2) * erfc (x)\n\
eae41900ca01 Use correct definition of erfcx in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12654
diff changeset
689 @end example\n\
eae41900ca01 Use correct definition of erfcx in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12654
diff changeset
690 \n\
10391
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Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
691 @end ifnottex\n\
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
692 @seealso{erfc, erf, erfinv}\n\
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
693 @end deftypefn")
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
694 {
59e34bcdff13 implement built-in erfcx
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parents: 10160
diff changeset
695 octave_value retval;
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
696 if (args.length () == 1)
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
697 retval = args(0).erfcx ();
59e34bcdff13 implement built-in erfcx
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parents: 10160
diff changeset
698 else
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
699 print_usage ();
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
700
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
701 return retval;
59e34bcdff13 implement built-in erfcx
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parents: 10160
diff changeset
702 }
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
703
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
704 /*
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
705
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
706 */
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
707
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
708 DEFUN (exp, args, ,
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
709 "-*- texinfo -*-\n\
3373
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe]
jwe
parents: 3369
diff changeset
710 @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
711 Compute\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
712 @tex\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
713 $e^{x}$\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
714 @end tex\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
715 @ifnottex\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
716 @code{e^x}\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
717 @end ifnottex\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
718 for each element of @var{x}. To compute the matrix\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
719 exponential, see @ref{Linear Algebra}.\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
720 @seealso{log}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
721 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
722 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
723 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
724 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
725 retval = args(0).exp ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
726 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
727 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
728
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
729 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
730 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
731
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
732 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
733
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
734 %!assert(exp ([0, 1, -1, -1000]), [1, e, 1/e, 0], sqrt (eps));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
735 %!assert(exp (1+i), e * (cos (1) + sin (1) * i), sqrt (eps));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
736 %!assert(exp (single([0, 1, -1, -1000])), single([1, e, 1/e, 0]), sqrt (eps('single')));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
737 %!assert(exp (single(1+i)), single (e * (cos (1) + sin (1) * i)), sqrt (eps('single')));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
738
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
739 %!error exp ();
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
740 %!error exp (1, 2);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
741
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
742 %!assert(exp (Inf) == Inf && exp (-Inf) == 0 && isnan (exp (NaN)));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
743 %!assert(exp (Inf ('single')) == Inf('single') && exp (-Inf('single')) == 0 && isnan (exp (NaN('single'))));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
744
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
745 */
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
746
7638
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
747 DEFUN (expm1, args, ,
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
748 "-*- texinfo -*-\n\
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
749 @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
750 Compute\n\
9141
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
751 @tex\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
752 $ e^{x} - 1 $\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
753 @end tex\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
754 @ifnottex\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
755 @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
756 @end ifnottex\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
757 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
758 @seealso{exp}\n\
7638
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
759 @end deftypefn")
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
760 {
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
761 octave_value retval;
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
762 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
763 retval = args(0).expm1 ();
7638
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
764 else
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
765 print_usage ();
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
766
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
767 return retval;
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
768 }
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
769
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
770 DEFUN (isfinite, args, ,
3369
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
771 "-*- texinfo -*-\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
772 @deftypefn {Mapping Function} {} isfinite (@var{x})\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
773 @deftypefnx {Mapping Function} {} finite (@var{x})\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
774 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
775 finite values and false where they are not.\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
776 For example:\n\
3369
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
777 \n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
778 @example\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
779 @group\n\
5016
bdbee5282954 [project @ 2004-09-22 02:50:35 by jwe]
jwe
parents: 4968
diff changeset
780 finite ([13, Inf, NA, NaN])\n\
bdbee5282954 [project @ 2004-09-22 02:50:35 by jwe]
jwe
parents: 4968
diff changeset
781 @result{} [ 1, 0, 0, 0 ]\n\
3369
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
782 @end group\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
783 @end example\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
784 @seealso{isinf, isnan, isna}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
785 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
786 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
787 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
788 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
789 retval = args(0).finite ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
790 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
791 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
792
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
793 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
794 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
795
7814
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
796 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
797
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
798 %!assert(!(finite (Inf)));
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
799 %!assert(!(finite (NaN)));
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
800 %!assert(finite (rand(1,10)));
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
801
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
802 %!assert(!(finite (single(Inf))));
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
803 %!assert(!(finite (single(NaN))));
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
804 %!assert(finite (single(rand(1,10))));
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
805
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
806 */
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
807
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
808 DEFUN (fix, args, ,
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
809 "-*- texinfo -*-\n\
3373
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe]
jwe
parents: 3369
diff changeset
810 @deftypefn {Mapping Function} {} fix (@var{x})\n\
9165
8c71a86c4bf4 Update section 17.5 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9155
diff changeset
811 Truncate fractional portion of @var{x} and return the integer portion. This\n\
9141
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
812 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
813 @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
814 \n\
9141
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
815 @example\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
816 @group\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
817 fix ([-2.7, 2.7])\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
818 @result{} -2 2\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
819 @end group\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
820 @end example\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
821 @seealso{ceil, floor, round}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
822 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
823 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
824 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
825 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
826 retval = args(0).fix ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
827 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
828 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
829
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
830 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
831 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
832
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
833 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
834
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
835 %!assert(fix ([1.1, 1, -1.1, -1]), [1, 1, -1, -1]);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
836 %!assert(fix ([1.1+1.1i, 1+i, -1.1-1.1i, -1-i]), [1+i, 1+i, -1-i, -1-i]);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
837 %!assert(fix (single([1.1, 1, -1.1, -1])), single([1, 1, -1, -1]));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
838 %!assert(fix (single([1.1+1.1i, 1+i, -1.1-1.1i, -1-i])), single([1+i, 1+i, -1-i, -1-i]));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
839
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
840 %!error fix ();
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
841 %!error fix (1, 2);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
842
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
843 */
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
844
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
845 DEFUN (floor, args, ,
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
846 "-*- texinfo -*-\n\
3373
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe]
jwe
parents: 3369
diff changeset
847 @deftypefn {Mapping Function} {} floor (@var{x})\n\
9141
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
848 Return the largest integer not greater than @var{x}. This is equivalent to\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
849 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
850 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
851 \n\
9141
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
852 @example\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
853 @group\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
854 floor ([-2.7, 2.7])\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
855 @result{} -3 2\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
856 @end group\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
857 @end example\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
858 @seealso{ceil, round, fix}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
859 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
860 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
861 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
862 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
863 retval = args(0).floor ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
864 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
865 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
866
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
867 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
868 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
869
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
870 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
871
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
872 %!assert(floor ([2, 1.1, -1.1, -1]), [2, 1, -2, -1]);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
873 %!assert(floor ([2+2i, 1.1+1.1i, -1.1-1.1i, -1-i]), [2+2i, 1+i, -2-2i, -1-i]);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
874 %!assert(floor (single ([2, 1.1, -1.1, -1])), single ([2, 1, -2, -1]));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
875 %!assert(floor (single([2+2i, 1.1+1.1i, -1.1-1.1i, -1-i])), single([2+2i, 1+i, -2-2i, -1-i]));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
876
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
877 %!error floor ();
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
878 %!error floor (1, 2);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
879
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
880 */
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
881
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
882 DEFUN (gamma, args, ,
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
883 "-*- texinfo -*-\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
884 @deftypefn {Mapping Function} {} gamma (@var{z})\n\
11572
7d6d8c1e471f Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents: 11532
diff changeset
885 Compute the Gamma function,\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
886 @tex\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
887 $$\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
888 \\Gamma (z) = \\int_0^\\infty t^{z-1} e^{-t} dt.\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
889 $$\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
890 @end tex\n\
8517
81d6ab3ac93c Allow documentation tobe built for other formats than tex and info
sh@sh-laptop
parents: 8459
diff changeset
891 @ifnottex\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
892 \n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
893 @example\n\
9064
7c02ec148a3c Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents: 9041
diff changeset
894 @group\n\
12654
20e64dab6896 doc: Correct spacing in erf and gamma documentation in INFO mode.
Rik <octave@nomad.inbox5.com>
parents: 12642
diff changeset
895 @c spacing appears odd here, but is correct after Makeinfo\n\
20e64dab6896 doc: Correct spacing in erf and gamma documentation in INFO mode.
Rik <octave@nomad.inbox5.com>
parents: 12642
diff changeset
896 infinity\n\
12636
accd03f66982 mappers.cc (gamma): Correct spacing in non-Tex section of documentation.
Rik <octave@nomad.inbox5.com>
parents: 11591
diff changeset
897 /\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
898 gamma (z) = | t^(z-1) exp (-t) dt.\n\
12636
accd03f66982 mappers.cc (gamma): Correct spacing in non-Tex section of documentation.
Rik <octave@nomad.inbox5.com>
parents: 11591
diff changeset
899 /\n\
accd03f66982 mappers.cc (gamma): Correct spacing in non-Tex section of documentation.
Rik <octave@nomad.inbox5.com>
parents: 11591
diff changeset
900 t=0\n\
9064
7c02ec148a3c Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents: 9041
diff changeset
901 @end group\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
902 @end example\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10711
diff changeset
903 \n\
8517
81d6ab3ac93c Allow documentation tobe built for other formats than tex and info
sh@sh-laptop
parents: 8459
diff changeset
904 @end ifnottex\n\
8286
6f2d95255911 fix @seealso references to point to existing anchors
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8084
diff changeset
905 @seealso{gammainc, lgamma}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
906 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
907 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
908 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
909 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
910 retval = args(0).gamma ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
911 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
912 print_usage ();
624
1a7dea6fa26b [project @ 1994-08-17 16:19:40 by jwe]
jwe
parents: 529
diff changeset
913
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
914 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
915 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
916
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
917 /*
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
918
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
919 %!test
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
920 %! a = -1i*sqrt(-1/(6.4187*6.4187));
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
921 %! assert (gamma(a), gamma(real(a)));
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
922
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
923 %!test
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
924 %! 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
925 %! v = [sqrt(pi), 1, .5*sqrt(pi), 1, 2, 6, 24];
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
926 %! assert(gamma(x), v, sqrt(eps))
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
927
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
928 %!test
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
929 %! a = single(-1i*sqrt(-1/(6.4187*6.4187)));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
930 %! assert (gamma(a), gamma(real(a)));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
931
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
932 %!test
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
933 %! x = single([.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
934 %! v = single([sqrt(pi), 1, .5*sqrt(pi), 1, 2, 6, 24]);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
935 %! assert(gamma(x), v, sqrt(eps('single')))
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
936
10903
9f0f1a89c704 Add new %!tests for negative integer arguments to gamma, lgamma.
Rik <octave@nomad.inbox5.com>
parents: 10840
diff changeset
937 %!test
9f0f1a89c704 Add new %!tests for negative integer arguments to gamma, lgamma.
Rik <octave@nomad.inbox5.com>
parents: 10840
diff changeset
938 %! x = [-1, 0, 1, Inf];
11327
ef0e995f8c0f correctly compute gamma for negative integer values when tgamma is available
Marco Atzeri <marco_atzeri@yahoo.it>
parents: 10903
diff changeset
939 %! v = [Inf, Inf, 1, Inf];
10903
9f0f1a89c704 Add new %!tests for negative integer arguments to gamma, lgamma.
Rik <octave@nomad.inbox5.com>
parents: 10840
diff changeset
940 %! assert (gamma(x), v);
9f0f1a89c704 Add new %!tests for negative integer arguments to gamma, lgamma.
Rik <octave@nomad.inbox5.com>
parents: 10840
diff changeset
941 %! assert (gamma(single (x)), single (v));
9f0f1a89c704 Add new %!tests for negative integer arguments to gamma, lgamma.
Rik <octave@nomad.inbox5.com>
parents: 10840
diff changeset
942
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
943 %!error gamma();
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
944 %!error gamma(1,2);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
945
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
946 */
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
947
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
948 DEFUN (imag, args, ,
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
949 "-*- texinfo -*-\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
950 @deftypefn {Mapping Function} {} imag (@var{z})\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
951 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
952 @seealso{real, conj}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
953 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
954 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
955 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
956 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
957 retval = args(0).imag ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
958 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
959 print_usage ();
2089
4dcc8b77e84a [project @ 1996-04-26 07:55:54 by jwe]
jwe
parents: 1996
diff changeset
960
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
961 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
962 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
963
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
964 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
965
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
966 %!assert(imag (1), 0);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
967 %!assert(imag (i), 1);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
968 %!assert(imag (1+i), 1);
8459
d17874a6f161 improve indexing of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8442
diff changeset
969 %!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
970
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
971 %!assert(imag (single(1)), single(0));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
972 %!assert(imag (single(i)), single(1));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
973 %!assert(imag (single(1+i)), single(1));
8459
d17874a6f161 improve indexing of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8442
diff changeset
974 %!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
975
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
976 %!error imag ();
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
977 %!error imag (1, 2);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
978
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
979 */
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
980
7528
26d8a92644de try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
981 DEFUNX ("isalnum", Fisalnum, args, ,
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
982 "-*- texinfo -*-\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
983 @deftypefn {Mapping Function} {} isalnum (@var{s})\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
984 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
985 letters or digits and false where they are not. This is equivalent to\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
986 (@code{isalpha (@var{s}) | isdigit (@var{s})}).\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
987 @seealso{isalpha, isdigit, ispunct, isspace, iscntrl}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
988 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
989 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
990 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
991 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
992 retval = args(0).xisalnum ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
993 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
994 print_usage ();
2089
4dcc8b77e84a [project @ 1996-04-26 07:55:54 by jwe]
jwe
parents: 1996
diff changeset
995
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
996 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
997 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
998
7528
26d8a92644de try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
999 DEFUNX ("isalpha", Fisalpha, args, ,
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1000 "-*- texinfo -*-\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1001 @deftypefn {Mapping Function} {} isalpha (@var{s})\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1002 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
1003 letters and false where they are not. This is equivalent to\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1004 (@code{islower (@var{s}) | isupper (@var{s})}).\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1005 @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
1006 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1007 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1008 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1009 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1010 retval = args(0).xisalpha ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1011 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1012 print_usage ();
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1013
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1014 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1015 }
2089
4dcc8b77e84a [project @ 1996-04-26 07:55:54 by jwe]
jwe
parents: 1996
diff changeset
1016
7528
26d8a92644de try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
1017 DEFUNX ("isascii", Fisascii, args, ,
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1018 "-*- texinfo -*-\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1019 @deftypefn {Mapping Function} {} isascii (@var{s})\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1020 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
1021 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
1022 not.\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).xisascii ();
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 ();
2089
4dcc8b77e84a [project @ 1996-04-26 07:55:54 by jwe]
jwe
parents: 1996
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
7528
26d8a92644de try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
1034 DEFUNX ("iscntrl", Fiscntrl, args, ,
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1035 "-*- texinfo -*-\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1036 @deftypefn {Mapping Function} {} iscntrl (@var{s})\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1037 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
1038 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
1039 @seealso{ispunct, isspace, isalpha, isdigit}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1040 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1041 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1042 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1043 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1044 retval = args(0).xiscntrl ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1045 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1046 print_usage ();
2089
4dcc8b77e84a [project @ 1996-04-26 07:55:54 by jwe]
jwe
parents: 1996
diff changeset
1047
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1048 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1049 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1050
7528
26d8a92644de try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
1051 DEFUNX ("isdigit", Fisdigit, args, ,
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1052 "-*- texinfo -*-\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1053 @deftypefn {Mapping Function} {} isdigit (@var{s})\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1054 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
1055 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
1056 @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
1057 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1058 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1059 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1060 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1061 retval = args(0).xisdigit ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1062 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1063 print_usage ();
2089
4dcc8b77e84a [project @ 1996-04-26 07:55:54 by jwe]
jwe
parents: 1996
diff changeset
1064
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1065 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1066 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1067
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1068 DEFUN (isinf, args, ,
3369
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
1069 "-*- texinfo -*-\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
1070 @deftypefn {Mapping Function} {} isinf (@var{x})\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1071 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
1072 are infinite and false where they are not.\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1073 For example:\n\
3369
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
1074 \n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
1075 @example\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
1076 @group\n\
4025
cfb762dc9259 [project @ 2002-08-09 06:32:15 by jwe]
jwe
parents: 3775
diff changeset
1077 isinf ([13, Inf, NA, NaN])\n\
cfb762dc9259 [project @ 2002-08-09 06:32:15 by jwe]
jwe
parents: 3775
diff changeset
1078 @result{} [ 0, 1, 0, 0 ]\n\
3369
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
1079 @end group\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
1080 @end example\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1081 @seealso{isfinite, isnan, isna}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1082 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1083 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1084 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1085 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1086 retval = args(0).isinf ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1087 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1088 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
1089
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1090 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1091 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1092
7814
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1093 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1094
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1095 %!assert(isinf (Inf));
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1096 %!assert(!isinf (NaN));
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1097 %!assert(!(isinf (NA)));
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1098 %!assert(isinf (rand(1,10)), false(1,10));
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1099 %!assert(isinf([NaN -Inf -1 0 1 Inf NA]), [false, true, false, false, false, true, false]);
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1100
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1101 %!assert(isinf (single(Inf)));
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1102 %!assert(!(isinf (single(NaN))));
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1103 %!assert(!(isinf (single(NA))));
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1104 %!assert(isinf (single(rand(1,10))), false(1,10));
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1105 %!assert(isinf(single([NaN -Inf -1 0 1 Inf NA])), [false, true, false, false, false, true, false]);
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1106
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1107 */
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1108
7528
26d8a92644de try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
1109 DEFUNX ("isgraph", Fisgraph, args, ,
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1110 "-*- texinfo -*-\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1111 @deftypefn {Mapping Function} {} isgraph (@var{s})\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1112 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
1113 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
1114 not.\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1115 @seealso{isprint}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1116 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1117 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1118 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1119 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1120 retval = args(0).xisgraph ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1121 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1122 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
1123
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1124 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1125 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1126
7528
26d8a92644de try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
1127 DEFUNX ("islower", Fislower, args, ,
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1128 "-*- texinfo -*-\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1129 @deftypefn {Mapping Function} {} islower (@var{s})\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1130 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
1131 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
1132 @seealso{isupper, isalpha, isletter, isalnum}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1133 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1134 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1135 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1136 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1137 retval = args(0).xislower ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1138 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1139 print_usage ();
2089
4dcc8b77e84a [project @ 1996-04-26 07:55:54 by jwe]
jwe
parents: 1996
diff changeset
1140
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1141 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1142 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1143
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1144 DEFUN (isna, args, ,
4025
cfb762dc9259 [project @ 2002-08-09 06:32:15 by jwe]
jwe
parents: 3775
diff changeset
1145 "-*- texinfo -*-\n\
cfb762dc9259 [project @ 2002-08-09 06:32:15 by jwe]
jwe
parents: 3775
diff changeset
1146 @deftypefn {Mapping Function} {} isna (@var{x})\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1147 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
1148 NA (missing) values and false where they are not.\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1149 For example:\n\
4025
cfb762dc9259 [project @ 2002-08-09 06:32:15 by jwe]
jwe
parents: 3775
diff changeset
1150 \n\
cfb762dc9259 [project @ 2002-08-09 06:32:15 by jwe]
jwe
parents: 3775
diff changeset
1151 @example\n\
cfb762dc9259 [project @ 2002-08-09 06:32:15 by jwe]
jwe
parents: 3775
diff changeset
1152 @group\n\
6218
c1b66b74937d [project @ 2006-12-27 17:43:50 by jwe]
jwe
parents: 6206
diff changeset
1153 isna ([13, Inf, NA, NaN])\n\
4025
cfb762dc9259 [project @ 2002-08-09 06:32:15 by jwe]
jwe
parents: 3775
diff changeset
1154 @result{} [ 0, 0, 1, 0 ]\n\
cfb762dc9259 [project @ 2002-08-09 06:32:15 by jwe]
jwe
parents: 3775
diff changeset
1155 @end group\n\
cfb762dc9259 [project @ 2002-08-09 06:32:15 by jwe]
jwe
parents: 3775
diff changeset
1156 @end example\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1157 @seealso{isnan, isinf, isfinite}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1158 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1159 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1160 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1161 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1162 retval = args(0).isna ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1163 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1164 print_usage ();
4025
cfb762dc9259 [project @ 2002-08-09 06:32:15 by jwe]
jwe
parents: 3775
diff changeset
1165
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1166 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1167 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1168
7814
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1169 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1170
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1171 %!assert(!(isna (Inf)));
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1172 %!assert(!isna (NaN));
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1173 %!assert(isna (NA));
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1174 %!assert(isna (rand(1,10)), false(1,10));
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1175 %!assert(isna([NaN -Inf -1 0 1 Inf NA]), [false, false, false, false, false, false, true]);
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1176
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1177 %!assert(!(isna (single(Inf))));
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1178 %!assert(!isna (single(NaN)));
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1179 %!assert(isna (single(NA)));
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1180 %!assert(isna (single(rand(1,10))), false(1,10));
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1181 %!assert(isna(single([NaN -Inf -1 0 1 Inf NA])), [false, false, false, false, false, false, true]);
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1182
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1183 */
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1184
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1185 DEFUN (isnan, args, ,
3369
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
1186 "-*- texinfo -*-\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
1187 @deftypefn {Mapping Function} {} isnan (@var{x})\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1188 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
1189 NaN values and false where they are not.\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1190 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
1191 \n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
1192 @example\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
1193 @group\n\
4025
cfb762dc9259 [project @ 2002-08-09 06:32:15 by jwe]
jwe
parents: 3775
diff changeset
1194 isnan ([13, Inf, NA, NaN])\n\
5389
25c8956d2204 [project @ 2005-06-15 03:45:46 by jwe]
jwe
parents: 5307
diff changeset
1195 @result{} [ 0, 0, 1, 1 ]\n\
3369
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
1196 @end group\n\
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 3368
diff changeset
1197 @end example\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1198 @seealso{isna, isinf, isfinite}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1199 @end deftypefn")
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 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1202 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1203 retval = args(0).isnan ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1204 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1205 print_usage ();
624
1a7dea6fa26b [project @ 1994-08-17 16:19:40 by jwe]
jwe
parents: 529
diff changeset
1206
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1207 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1208 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1209
7814
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1210 /*
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1211
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1212 %!assert(!(isnan (Inf)));
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1213 %!assert(isnan (NaN));
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1214 %!assert(isnan (NA));
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1215 %!assert(isnan (rand(1,10)), false(1,10));
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1216 %!assert(isnan([NaN -Inf -1 0 1 Inf NA]), [true, false, false, false, false, false, true]);
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1217
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1218 %!assert(!(isnan (single(Inf))));
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1219 %!assert(isnan (single(NaN)));
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1220 %!assert(isnan (single(NA)));
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1221 %!assert(isnan (single(rand(1,10))), false(1,10));
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1222 %!assert(isnan(single([NaN -Inf -1 0 1 Inf NA])), [true, false, false, false, false, false, true]);
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1223
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1224 */
87865ed7405f Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents: 7667
diff changeset
1225
7528
26d8a92644de try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
1226 DEFUNX ("isprint", Fisprint, args, ,
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1227 "-*- texinfo -*-\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1228 @deftypefn {Mapping Function} {} isprint (@var{s})\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1229 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
1230 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
1231 are not.\n\
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1232 @seealso{isgraph}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1233 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1234 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1235 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1236 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1237 retval = args(0).xisprint ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1238 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1239 print_usage ();
2089
4dcc8b77e84a [project @ 1996-04-26 07:55:54 by jwe]
jwe
parents: 1996
diff changeset
1240
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1241 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1242 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1243
7528
26d8a92644de try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
1244 DEFUNX ("ispunct", Fispunct, args, ,
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1245 "-*- texinfo -*-\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1246 @deftypefn {Mapping Function} {} ispunct (@var{s})\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1247 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
1248 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
1249 @seealso{isalpha, isdigit, isspace, iscntrl}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1250 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1251 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1252 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1253 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1254 retval = args(0).xispunct ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1255 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1256 print_usage ();
2089
4dcc8b77e84a [project @ 1996-04-26 07:55:54 by jwe]
jwe
parents: 1996
diff changeset
1257
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1258 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1259 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1260
7528
26d8a92644de try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
1261 DEFUNX ("isspace", Fisspace, args, ,
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1262 "-*- texinfo -*-\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1263 @deftypefn {Mapping Function} {} isspace (@var{s})\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1264 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
1265 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
1266 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
1267 @seealso{iscntrl, ispunct, isalpha, isdigit}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1268 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1269 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1270 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1271 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1272 retval = args(0).xisspace ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1273 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1274 print_usage ();
2089
4dcc8b77e84a [project @ 1996-04-26 07:55:54 by jwe]
jwe
parents: 1996
diff changeset
1275
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1276 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1277 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1278
7528
26d8a92644de try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
1279 DEFUNX ("isupper", Fisupper, args, ,
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1280 "-*- texinfo -*-\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1281 @deftypefn {Mapping Function} {} isupper (@var{s})\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1282 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
1283 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
1284 @seealso{islower, isalpha, isletter, isalnum}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1285 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1286 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1287 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1288 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1289 retval = args(0).xisupper ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1290 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1291 print_usage ();
2089
4dcc8b77e84a [project @ 1996-04-26 07:55:54 by jwe]
jwe
parents: 1996
diff changeset
1292
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1293 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1294 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1295
7528
26d8a92644de try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
1296 DEFUNX ("isxdigit", Fisxdigit, args, ,
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1297 "-*- texinfo -*-\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1298 @deftypefn {Mapping Function} {} isxdigit (@var{s})\n\
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1299 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
1300 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
1301 @seealso{isdigit}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1302 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1303 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1304 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1305 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1306 retval = args(0).xisxdigit ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1307 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1308 print_usage ();
2089
4dcc8b77e84a [project @ 1996-04-26 07:55:54 by jwe]
jwe
parents: 1996
diff changeset
1309
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1310 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1311 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1312
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1313 DEFUN (lgamma, args, ,
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1314 "-*- texinfo -*-\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10711
diff changeset
1315 @deftypefn {Mapping Function} {} lgamma (@var{x})\n\
5518
a9bd6c31751f [project @ 2005-10-29 04:26:38 by jwe]
jwe
parents: 5418
diff changeset
1316 @deftypefnx {Mapping Function} {} gammaln (@var{x})\n\
7601
8a939b217863 Treat negative values to lgamma and beta correctly
David Bateman <dbateman@free.fr>
parents: 7528
diff changeset
1317 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
1318 @seealso{gamma, gammainc}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1319 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1320 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1321 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1322 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1323 retval = args(0).lgamma ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1324 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1325 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
1326
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1327 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1328 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1329
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
1330 /*
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
1331
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
1332 %!test
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
1333 %! a = -1i*sqrt(-1/(6.4187*6.4187));
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
1334 %! assert (lgamma(a), lgamma(real(a)));
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
1335
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1336 %!test
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1337 %! 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
1338 %! v = [sqrt(pi), 1, .5*sqrt(pi), 1, 2, 6, 24];
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1339 %! assert(lgamma(x), log(v), sqrt(eps))
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1340
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1341 %!test
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1342 %! a = single(-1i*sqrt(-1/(6.4187*6.4187)));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1343 %! assert (lgamma(a), lgamma(real(a)));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1344
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1345 %!test
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1346 %! x = single([.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
1347 %! v = single([sqrt(pi), 1, .5*sqrt(pi), 1, 2, 6, 24]);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1348 %! assert(lgamma(x), log(v), sqrt(eps ('single')))
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1349
10903
9f0f1a89c704 Add new %!tests for negative integer arguments to gamma, lgamma.
Rik <octave@nomad.inbox5.com>
parents: 10840
diff changeset
1350 %!test
9f0f1a89c704 Add new %!tests for negative integer arguments to gamma, lgamma.
Rik <octave@nomad.inbox5.com>
parents: 10840
diff changeset
1351 %! 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
1352 %! v = [Inf, Inf, 0, Inf];
9f0f1a89c704 Add new %!tests for negative integer arguments to gamma, lgamma.
Rik <octave@nomad.inbox5.com>
parents: 10840
diff changeset
1353 %! assert (lgamma(x), v);
9f0f1a89c704 Add new %!tests for negative integer arguments to gamma, lgamma.
Rik <octave@nomad.inbox5.com>
parents: 10840
diff changeset
1354 %! assert (lgamma(single (x)), single(v));
9f0f1a89c704 Add new %!tests for negative integer arguments to gamma, lgamma.
Rik <octave@nomad.inbox5.com>
parents: 10840
diff changeset
1355
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1356 %!error lgamma();
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1357 %!error lgamma(1,2);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1358
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
1359 */
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
1360
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1361 DEFUN (log, args, ,
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1362 "-*- texinfo -*-\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1363 @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
1364 Compute the natural logarithm,\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1365 @tex\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1366 $\\ln{(x)},$\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1367 @end tex\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1368 @ifnottex\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1369 @code{ln (@var{x})},\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1370 @end ifnottex\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1371 for each element of @var{x}. To compute the\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1372 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
1373 @seealso{exp, log1p, log2, log10, logspace}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1374 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1375 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1376 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1377 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1378 retval = args(0).log ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1379 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1380 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
1381
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1382 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1383 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1384
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1385 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1386
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1387 %!assert(log ([1, e, e^2]), [0, 1, 2], sqrt (eps));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1388 %!assert(log ([-0.5, -1.5, -2.5]), log([0.5, 1.5, 2.5]) + pi*1i, sqrt (eps));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1389
8084
46aa04055325 Use eps(single) as tolerance for single precesion test.
Ben Abbott <bpabbott@mac.com>
parents: 8067
diff changeset
1390 %!assert(log (single([1, e, e^2])), single([0, 1, 2]), sqrt (eps('single')));
8067
c476c2214a90 Adjust tolerance to single precision test.
Ben Abbott <bpabbott@mac.com>
parents: 8047
diff changeset
1391 %!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
1392
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1393 %!error log ();
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1394 %!error log (1, 2);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1395
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1396 */
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1397
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1398 DEFUN (log10, args, ,
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1399 "-*- texinfo -*-\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1400 @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
1401 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
1402 @seealso{log, log2, logspace, exp}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1403 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1404 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1405 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1406 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1407 retval = args(0).log10 ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1408 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1409 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
1410
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1411 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1412 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1413
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1414 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1415
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1416 %!assert(log10 ([0.01, 0.1, 1, 10, 100]), [-2, -1, 0, 1, 2], sqrt (eps));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1417 %!assert(log10 (single([0.01, 0.1, 1, 10, 100])), single([-2, -1, 0, 1, 2]), sqrt (eps ('single')));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1418
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1419 %!error log10 ();
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1420 %!error log10 (1, 2);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1421
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1422 */
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1423
7638
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
1424 DEFUN (log1p, args, ,
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
1425 "-*- texinfo -*-\n\
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
1426 @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
1427 Compute\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1428 @tex\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1429 $\\ln{(1 + x)}$\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1430 @end tex\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1431 @ifnottex\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1432 @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
1433 @end ifnottex\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1434 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
1435 @seealso{log, exp, expm1}\n\
7638
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
1436 @end deftypefn")
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
1437 {
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
1438 octave_value retval;
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
1439 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1440 retval = args(0).log1p ();
7638
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
1441 else
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
1442 print_usage ();
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
1443
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
1444 return retval;
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
1445 }
2df457529cfa implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents: 7636
diff changeset
1446
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1447 DEFUN (real, args, ,
3381
69b167451491 [project @ 1999-12-15 20:48:10 by jwe]
jwe
parents: 3373
diff changeset
1448 "-*- texinfo -*-\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1449 @deftypefn {Mapping Function} {} real (@var{z})\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1450 Return the real part of @var{z}.\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5518
diff changeset
1451 @seealso{imag, conj}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1452 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1453 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1454 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1455 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1456 retval = args(0).real ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1457 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1458 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
1459
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1460 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1461 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1462
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1463 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1464
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1465 %!assert(real (1), 1);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1466 %!assert(real (i), 0);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1467 %!assert(real (1+i), 1);
8459
d17874a6f161 improve indexing of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8442
diff changeset
1468 %!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
1469
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1470 %!assert(real (single(1)), single(1));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1471 %!assert(real (single(i)), single(0));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1472 %!assert(real (single(1+i)), single(1));
8459
d17874a6f161 improve indexing of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8442
diff changeset
1473 %!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
1474
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1475 %!error real ();
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1476 %!error real (1, 2);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1477
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1478 */
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1479
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1480 DEFUN (round, args, ,
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1481 "-*- texinfo -*-\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1482 @deftypefn {Mapping Function} {} round (@var{x})\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1483 Return the integer nearest to @var{x}. If @var{x} is complex, return\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1484 @code{round (real (@var{x})) + round (imag (@var{x})) * I}.\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10711
diff changeset
1485 \n\
9141
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1486 @example\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1487 @group\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1488 round ([-2.7, 2.7])\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1489 @result{} -3 3\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1490 @end group\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1491 @end example\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1492 @seealso{ceil, floor, fix}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1493 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1494 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1495 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1496 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1497 retval = args(0).round ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1498 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1499 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
1500
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1501 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1502 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1503
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1504 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1505
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1506 %!assert(round (1), 1);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1507 %!assert(round (1.1), 1);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1508 %!assert(round (5.5), 6);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1509 %!assert(round (i), i);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1510 %!assert(round (2.5+3.5i), 3+4i);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1511 %!assert(round (-2.6), -3);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1512 %!assert(round ([1.1, -2.4; -3.7, 7.1]), [1, -2; -4, 7]);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1513
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1514 %!assert(round (single(1)), single(1));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1515 %!assert(round (single(1.1)), single(1));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1516 %!assert(round (single(5.5)), single(6));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1517 %!assert(round (single(i)), single(i));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1518 %!assert(round (single(2.5+3.5i)), single(3+4i));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1519 %!assert(round (single(-2.6)), single(-3));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1520 %!assert(round (single([1.1, -2.4; -3.7, 7.1])), single([1, -2; -4, 7]));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1521
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1522 %!error round ();
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1523 %!error round (1, 2);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1524
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1525 */
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1526
7636
99c410f7f0b0 implement mapper function for banker's rounding
Jaroslav Hajek <highegg@gmail.com>
parents: 7601
diff changeset
1527 DEFUN (roundb, args, ,
99c410f7f0b0 implement mapper function for banker's rounding
Jaroslav Hajek <highegg@gmail.com>
parents: 7601
diff changeset
1528 "-*- texinfo -*-\n\
99c410f7f0b0 implement mapper function for banker's rounding
Jaroslav Hajek <highegg@gmail.com>
parents: 7601
diff changeset
1529 @deftypefn {Mapping Function} {} roundb (@var{x})\n\
9064
7c02ec148a3c Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents: 9041
diff changeset
1530 Return the integer nearest to @var{x}. If there are two nearest\n\
7c02ec148a3c Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents: 9041
diff changeset
1531 integers, return the even one (banker's rounding). If @var{x} is complex,\n\
7636
99c410f7f0b0 implement mapper function for banker's rounding
Jaroslav Hajek <highegg@gmail.com>
parents: 7601
diff changeset
1532 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
1533 @seealso{round}\n\
7636
99c410f7f0b0 implement mapper function for banker's rounding
Jaroslav Hajek <highegg@gmail.com>
parents: 7601
diff changeset
1534 @end deftypefn")
99c410f7f0b0 implement mapper function for banker's rounding
Jaroslav Hajek <highegg@gmail.com>
parents: 7601
diff changeset
1535 {
99c410f7f0b0 implement mapper function for banker's rounding
Jaroslav Hajek <highegg@gmail.com>
parents: 7601
diff changeset
1536 octave_value retval;
99c410f7f0b0 implement mapper function for banker's rounding
Jaroslav Hajek <highegg@gmail.com>
parents: 7601
diff changeset
1537 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1538 retval = args(0).roundb ();
7636
99c410f7f0b0 implement mapper function for banker's rounding
Jaroslav Hajek <highegg@gmail.com>
parents: 7601
diff changeset
1539 else
99c410f7f0b0 implement mapper function for banker's rounding
Jaroslav Hajek <highegg@gmail.com>
parents: 7601
diff changeset
1540 print_usage ();
99c410f7f0b0 implement mapper function for banker's rounding
Jaroslav Hajek <highegg@gmail.com>
parents: 7601
diff changeset
1541
99c410f7f0b0 implement mapper function for banker's rounding
Jaroslav Hajek <highegg@gmail.com>
parents: 7601
diff changeset
1542 return retval;
99c410f7f0b0 implement mapper function for banker's rounding
Jaroslav Hajek <highegg@gmail.com>
parents: 7601
diff changeset
1543 }
99c410f7f0b0 implement mapper function for banker's rounding
Jaroslav Hajek <highegg@gmail.com>
parents: 7601
diff changeset
1544
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1545 DEFUN (sign, args, ,
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1546 "-*- texinfo -*-\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1547 @deftypefn {Mapping Function} {} sign (@var{x})\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1548 Compute the @dfn{signum} function, which is defined as\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1549 @tex\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1550 $$\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1551 {\\rm sign} (@var{x}) = \\cases{1,&$x>0$;\\cr 0,&$x=0$;\\cr -1,&$x<0$.\\cr}\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1552 $$\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1553 @end tex\n\
8517
81d6ab3ac93c Allow documentation tobe built for other formats than tex and info
sh@sh-laptop
parents: 8459
diff changeset
1554 @ifnottex\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1555 \n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1556 @example\n\
9064
7c02ec148a3c Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents: 9041
diff changeset
1557 @group\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1558 -1, x < 0;\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1559 sign (x) = 0, x = 0;\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1560 1, x > 0.\n\
9064
7c02ec148a3c Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents: 9041
diff changeset
1561 @end group\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1562 @end example\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10711
diff changeset
1563 \n\
8517
81d6ab3ac93c Allow documentation tobe built for other formats than tex and info
sh@sh-laptop
parents: 8459
diff changeset
1564 @end ifnottex\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1565 \n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1566 For complex arguments, @code{sign} returns @code{x ./ abs (@var{x})}.\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1567 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1568 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1569 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1570 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1571 retval = args(0).signum ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1572 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1573 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
1574
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1575 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1576 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1577
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1578 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1579
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1580 %!assert(sign (-2) , -1);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1581 %!assert(sign (3), 1);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1582 %!assert(sign (0), 0);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1583 %!assert(sign ([1, -pi; e, 0]), [1, -1; 1, 0]);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1584
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1585 %!assert(sign (single(-2)) , single(-1));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1586 %!assert(sign (single(3)), single(1));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1587 %!assert(sign (single(0)), single(0));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1588 %!assert(sign (single([1, -pi; e, 0])), single([1, -1; 1, 0]));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1589
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1590 %!error sign ();
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1591 %!error sign (1, 2);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1592
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1593 */
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1594
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1595 DEFUN (sin, args, ,
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1596 "-*- texinfo -*-\n\
3428
5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe]
jwe
parents: 3411
diff changeset
1597 @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
1598 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
1599 @seealso{asin, sind, sinh}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1600 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1601 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1602 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1603 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1604 retval = args(0).sin ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1605 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1606 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
1607
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1608 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1609 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1610
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1611 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1612
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1613 %!test
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1614 %! rt2 = sqrt (2);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1615 %! rt3 = sqrt (3);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1616 %! x = [0, pi/6, pi/4, pi/3, pi/2, 2*pi/3, 3*pi/4, 5*pi/6, pi];
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1617 %! v = [0, 1/2, rt2/2, rt3/2, 1, rt3/2, rt2/2, 1/2, 0];
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1618 %! assert(sin (x), v, sqrt (eps));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1619
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1620 %!test
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1621 %! rt2 = sqrt (2);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1622 %! rt3 = sqrt (3);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1623 %! x = single([0, pi/6, pi/4, pi/3, pi/2, 2*pi/3, 3*pi/4, 5*pi/6, pi]);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1624 %! v = single([0, 1/2, rt2/2, rt3/2, 1, rt3/2, rt2/2, 1/2, 0]);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1625 %! assert(sin (x), v, sqrt (eps('single')));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1626
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1627 %!error sin ();
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1628 %!error sin (1, 2);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1629
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1630 */
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1631
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1632 DEFUN (sinh, args, ,
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1633 "-*- texinfo -*-\n\
3428
5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe]
jwe
parents: 3411
diff changeset
1634 @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
1635 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
1636 @seealso{asinh, cosh, tanh}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1637 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1638 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1639 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1640 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1641 retval = args(0).sinh ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1642 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1643 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
1644
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1645 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1646 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1647
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1648 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1649
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1650 %!test
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1651 %! 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
1652 %! v = [0, i, 0, -i];
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1653 %! assert(sinh (x), v, sqrt (eps));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1654
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1655 %!test
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1656 %! x = single([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
1657 %! v = single([0, i, 0, -i]);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1658 %! assert(sinh (x), v, sqrt (eps('single')));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1659
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1660 %!error sinh ();
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1661 %!error sinh (1, 2);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1662
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1663 */
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1664
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1665 DEFUN (sqrt, args, ,
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1666 "-*- texinfo -*-\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1667 @deftypefn {Mapping Function} {} sqrt (@var{x})\n\
9141
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1668 Compute the square root of each element of @var{x}. If @var{x} is negative,\n\
c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 9065
diff changeset
1669 a complex result is returned. To compute the matrix square root, see\n\
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1670 @ref{Linear Algebra}.\n\
11532
34bb8d38f19f Add undocumented function cbrt to documentation.
Rik <octave@nomad.inbox5.com>
parents: 11529
diff changeset
1671 @seealso{realsqrt, nthroot}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1672 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1673 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1674 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1675 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1676 retval = args(0).sqrt ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1677 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1678 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
1679
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1680 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1681 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1682
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1683 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1684
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1685 %!assert(sqrt (4), 2)
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1686 %!assert(sqrt (-1), i)
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1687 %!assert(sqrt (1+i), exp (0.5 * log (1+i)), sqrt (eps));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1688 %!assert(sqrt([4, -4; i, 1-i]), [2, 2i; exp(0.5 * log (i)), exp(0.5 * log (1-i))], sqrt(eps));
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 %!assert(sqrt (single(4)), single(2))
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1691 %!assert(sqrt (single(-1)), single(i))
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1692 %!assert(sqrt (single(1+i)), single(exp (0.5 * log (1+i))), sqrt (eps('single')));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1693 %!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')));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1694
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1695 %!error sqrt ();
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1696 %!error sqrt (1, 2);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1697
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1698 */
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1699
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1700 DEFUN (tan, args, ,
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1701 "-*- texinfo -*-\n\
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1702 @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
1703 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
1704 @seealso{atan, tand, tanh}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1705 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1706 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1707 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1708 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1709 retval = args(0).tan ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1710 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1711 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 331
diff changeset
1712
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1713 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1714 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1715
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1716 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1717
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1718 %!test
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1719 %! rt2 = sqrt (2);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1720 %! rt3 = sqrt (3);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1721 %! x = [0, pi/6, pi/4, pi/3, 2*pi/3, 3*pi/4, 5*pi/6, pi];
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1722 %! v = [0, rt3/3, 1, rt3, -rt3, -1, -rt3/3, 0];
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1723 %! assert(tan (x), v, sqrt (eps));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1724
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1725 %!test
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1726 %! rt2 = sqrt (2);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1727 %! rt3 = sqrt (3);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1728 %! x = single([0, pi/6, pi/4, pi/3, 2*pi/3, 3*pi/4, 5*pi/6, pi]);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1729 %! v = single([0, rt3/3, 1, rt3, -rt3, -1, -rt3/3, 0]);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1730 %! assert(tan (x), v, sqrt (eps('single')));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1731
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1732 %!error tan ();
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1733 %!error tan (1, 2);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1734
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1735 */
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1736
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1737 DEFUN (tanh, args, ,
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1738 "-*- texinfo -*-\n\
3428
5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe]
jwe
parents: 3411
diff changeset
1739 @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
1740 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
1741 @seealso{atanh, sinh, cosh}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1742 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1743 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1744 octave_value retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1745 if (args.length () == 1)
9813
8fa32b527d9a improve & partially revert previous change
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1746 retval = args(0).tanh ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1747 else
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1748 print_usage ();
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1749
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1750 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1751 }
1562
1cff14ab83a4 [project @ 1995-10-12 11:02:40 by jwe]
jwe
parents: 1384
diff changeset
1752
7815
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1753 /*
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1754
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1755 %!test
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1756 %! x = [0, pi*i];
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1757 %! v = [0, 0];
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1758 %! assert(tanh (x), v, sqrt (eps));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1759
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1760 %!test
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1761 %! x = single([0, pi*i]);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1762 %! v = single([0, 0]);
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1763 %! assert(tanh (x), v, sqrt (eps('single')));
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1764
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1765 %!error tanh ();
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1766 %!error tanh (1, 2);
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 */
a41df65f3f00 Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents: 7814
diff changeset
1769
7528
26d8a92644de try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
1770 DEFUNX ("toascii", Ftoascii, args, ,
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1771 "-*- texinfo -*-\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1772 @deftypefn {Mapping Function} {} toascii (@var{s})\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10711
diff changeset
1773 Return ASCII representation of @var{s} in a matrix. For example:\n\
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1774 \n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1775 @example\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1776 @group\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1777 toascii (\"ASCII\")\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1778 @result{} [ 65, 83, 67, 73, 73 ]\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1779 @end group\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1780 \n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1781 @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
1782 @seealso{char}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1783 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1784 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1785 octave_value retval;
12894
ef5ebbf2a657 maint: Rollback changeset 67bf9b30f3f9.
Rik <octave@nomad.inbox5.com>
parents: 12892
diff changeset
1786 if (args.length () == 1)
ef5ebbf2a657 maint: Rollback changeset 67bf9b30f3f9.
Rik <octave@nomad.inbox5.com>
parents: 12892
diff changeset
1787 retval = args(0).xtoascii ();
ef5ebbf2a657 maint: Rollback changeset 67bf9b30f3f9.
Rik <octave@nomad.inbox5.com>
parents: 12892
diff changeset
1788 else
12892
67bf9b30f3f9 Error when given non-string input to tolower, toupper, toascii (Bug #33537).
Rik <octave@nomad.inbox5.com>
parents: 12683
diff changeset
1789 print_usage ();
2267
4028b7c79927 [project @ 1996-05-24 00:39:30 by jwe]
jwe
parents: 2190
diff changeset
1790
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1791 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1792 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1793
7528
26d8a92644de try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
1794 DEFUNX ("tolower", Ftolower, args, ,
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1795 "-*- texinfo -*-\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10711
diff changeset
1796 @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
1797 @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
1798 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
1799 character replaced by the corresponding lowercase one; non-alphabetic\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10711
diff changeset
1800 characters are left unchanged. For example:\n\
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1801 \n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1802 @example\n\
9064
7c02ec148a3c Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents: 9041
diff changeset
1803 @group\n\
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1804 tolower (\"MiXeD cAsE 123\")\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1805 @result{} \"mixed case 123\"\n\
9064
7c02ec148a3c Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents: 9041
diff changeset
1806 @end group\n\
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1807 @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
1808 @seealso{toupper}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1809 @end deftypefn")
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1810 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1811 octave_value retval;
12894
ef5ebbf2a657 maint: Rollback changeset 67bf9b30f3f9.
Rik <octave@nomad.inbox5.com>
parents: 12892
diff changeset
1812 if (args.length () == 1)
ef5ebbf2a657 maint: Rollback changeset 67bf9b30f3f9.
Rik <octave@nomad.inbox5.com>
parents: 12892
diff changeset
1813 retval = args(0).xtolower ();
ef5ebbf2a657 maint: Rollback changeset 67bf9b30f3f9.
Rik <octave@nomad.inbox5.com>
parents: 12892
diff changeset
1814 else
12892
67bf9b30f3f9 Error when given non-string input to tolower, toupper, toascii (Bug #33537).
Rik <octave@nomad.inbox5.com>
parents: 12683
diff changeset
1815 print_usage ();
2267
4028b7c79927 [project @ 1996-05-24 00:39:30 by jwe]
jwe
parents: 2190
diff changeset
1816
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1817 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1818 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1819
8387
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1820 DEFALIAS (lower, tolower);
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1821
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1822 /*
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1823
8387
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1824 %!error <Invalid call to tolower.*> tolower();
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1825 %!error <Invalid call to tolower.*> lower();
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1826 %!assert(tolower("OCTAVE"), "octave");
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1827 %!assert(tolower("123OCTave!_&"), "123octave!_&");
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1828 %!assert(tolower({"ABC", "DEF", {"GHI", {"JKL"}}}), {"abc", "def", {"ghi", {"jkl"}}});
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1829 %!assert(tolower(["ABC"; "DEF"]), ["abc"; "def"]);
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1830 %!assert(tolower({["ABC"; "DEF"]}), {["abc";"def"]});
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1831 %!assert(tolower(68), "d");
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1832 %!assert(tolower({[68, 68; 68, 68]}), {["dd";"dd"]});
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1833 %!test
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1834 %! a(3,3,3,3) = "D";
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1835 %! assert(tolower(a)(3,3,3,3), "d");
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1836
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1837 */
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1838
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1839
7528
26d8a92644de try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
1840 DEFUNX ("toupper", Ftoupper, args, ,
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1841 "-*- texinfo -*-\n\
12683
486c9aea34d3 doc: Correctly refer to toupper() as a Mapping Function.
Rik <octave@nomad.inbox5.com>
parents: 12660
diff changeset
1842 @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
1843 @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
1844 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
1845 character replaced by the corresponding uppercase one; non-alphabetic\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10711
diff changeset
1846 characters are left unchanged. For example:\n\
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1847 \n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1848 @example\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1849 @group\n\
3552
41daa489833a [project @ 2000-02-03 03:05:28 by jwe]
jwe
parents: 3458
diff changeset
1850 toupper (\"MiXeD cAsE 123\")\n\
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1851 @result{} \"MIXED CASE 123\"\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1852 @end group\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3322
diff changeset
1853 @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
1854 @seealso{tolower}\n\
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1855 @end deftypefn")
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 octave_value retval;
12894
ef5ebbf2a657 maint: Rollback changeset 67bf9b30f3f9.
Rik <octave@nomad.inbox5.com>
parents: 12892
diff changeset
1858 if (args.length () == 1)
ef5ebbf2a657 maint: Rollback changeset 67bf9b30f3f9.
Rik <octave@nomad.inbox5.com>
parents: 12892
diff changeset
1859 retval = args(0).xtoupper ();
ef5ebbf2a657 maint: Rollback changeset 67bf9b30f3f9.
Rik <octave@nomad.inbox5.com>
parents: 12892
diff changeset
1860 else
12892
67bf9b30f3f9 Error when given non-string input to tolower, toupper, toascii (Bug #33537).
Rik <octave@nomad.inbox5.com>
parents: 12683
diff changeset
1861 print_usage ();
3206
d0d2b69dc6c2 [project @ 1998-11-03 02:43:31 by jwe]
jwe
parents: 3156
diff changeset
1862
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1863 return retval;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1864 }
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 3249
diff changeset
1865
8387
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1866 DEFALIAS (upper, toupper);
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1867
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1868 /*
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1869
8387
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1870 %!error <Invalid call to toupper.*> toupper();
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1871 %!error <Invalid call to toupper.*> upper();
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1872 %!assert(toupper("octave"), "OCTAVE");
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1873 %!assert(toupper("123OCTave!_&"), "123OCTAVE!_&");
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1874 %!assert(toupper({"abc", "def", {"ghi", {"jkl"}}}), {"ABC", "DEF", {"GHI", {"JKL"}}});
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1875 %!assert(toupper(["abc"; "def"]), ["ABC"; "DEF"]);
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1876 %!assert(toupper({["abc"; "def"]}), {["ABC";"DEF"]});
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1877 %!assert(toupper(100), "D");
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1878 %!assert(toupper({[100, 100; 100, 100]}), {["DD";"DD"]});
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1879 %!test
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1880 %! a(3,3,3,3) = "d";
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1881 %! assert(toupper(a)(3,3,3,3), "D");
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1882
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1883 */
1567db1e166c make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8366
diff changeset
1884
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1885 DEFALIAS (gammaln, lgamma);
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7385
diff changeset
1886
11431
0d9640d755b1 Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents: 11327
diff changeset
1887 DEFALIAS (finite, isfinite);