Mercurial > octave
annotate libinterp/corefcn/mappers.cc @ 23084:ef4d915df748
maint: Merge stable to default.
author | John W. Eaton <jwe@octave.org> |
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date | Mon, 23 Jan 2017 14:27:48 -0500 |
parents | 3a2b891d0b33 e9a0469dedd9 |
children | 092078913d54 |
rev | line source |
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1 | 1 /* |
2 | |
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3 Copyright (C) 1993-2016 John W. Eaton |
11523 | 4 Copyright (C) 2009-2010 VZLU Prague |
1 | 5 |
6 This file is part of Octave. | |
7 | |
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 |
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10 the Free Software Foundation; either version 3 of the License, or |
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11 (at your option) any later version. |
1 | 12 |
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13 Octave is distributed in the hope that it will be useful, but |
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14 WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 GNU General Public License for more details. |
1 | 17 |
18 You should have received a copy of the GNU General Public License | |
7016 | 19 along with Octave; see the file COPYING. If not, see |
20 <http://www.gnu.org/licenses/>. | |
1 | 21 |
22 */ | |
23 | |
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24 #if defined (HAVE_CONFIG_H) |
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25 # include "config.h" |
1 | 26 #endif |
27 | |
2089 | 28 #include <cctype> |
3010 | 29 #include <cfloat> |
1 | 30 |
4524 | 31 #include "lo-ieee.h" |
3156 | 32 #include "lo-specfun.h" |
2889 | 33 #include "lo-mappers.h" |
34 | |
1352 | 35 #include "defun.h" |
36 #include "error.h" | |
2955 | 37 #include "variables.h" |
1 | 38 |
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39 DEFUN (abs, args, , |
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40 doc: /* -*- texinfo -*- |
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41 @deftypefn {} {} abs (@var{z}) |
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42 Compute the magnitude of @var{z}. |
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43 |
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44 The magnitude is defined as |
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45 @tex |
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46 $|z| = \sqrt{x^2 + y^2}$. |
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47 @end tex |
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48 @ifnottex |
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49 |@var{z}| = @code{sqrt (x^2 + y^2)}. |
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50 @end ifnottex |
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51 |
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52 For example: |
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53 |
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54 @example |
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55 @group |
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56 abs (3 + 4i) |
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57 @result{} 5 |
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58 @end group |
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59 @end example |
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60 @seealso{arg} |
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61 @end deftypefn */) |
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62 { |
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63 if (args.length () != 1) |
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64 print_usage (); |
529 | 65 |
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66 return ovl (args(0).abs ()); |
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67 } |
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68 |
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69 /* |
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70 %!assert (abs (1), 1) |
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71 %!assert (abs (-3.5), 3.5) |
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72 %!assert (abs (3+4i), 5) |
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73 %!assert (abs (3-4i), 5) |
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74 %!assert (abs ([1.1, 3i; 3+4i, -3-4i]), [1.1, 3; 5, 5]) |
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75 |
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76 %!assert (abs (single (1)), single (1)) |
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77 %!assert (abs (single (-3.5)), single (3.5)) |
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78 %!assert (abs (single (3+4i)), single (5)) |
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79 %!assert (abs (single (3-4i)), single (5)) |
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80 %!assert (abs (single ([1.1, 3i; 3+4i, -3-4i])), single ([1.1, 3; 5, 5])) |
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81 |
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82 %!error abs () |
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83 %!error abs (1, 2) |
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84 */ |
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85 |
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86 DEFUN (acos, args, , |
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87 doc: /* -*- texinfo -*- |
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88 @deftypefn {} {} acos (@var{x}) |
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89 Compute the inverse cosine in radians for each element of @var{x}. |
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90 @seealso{cos, acosd} |
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91 @end deftypefn */) |
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92 { |
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93 if (args.length () != 1) |
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94 print_usage (); |
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95 |
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96 return ovl (args(0).acos ()); |
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97 } |
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98 |
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99 /* |
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100 %!shared rt2, rt3 |
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101 %! rt2 = sqrt (2); |
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102 %! rt3 = sqrt (3); |
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103 |
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104 %!test |
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105 %! x = [1, rt3/2, rt2/2, 1/2, 0, -1/2, -rt2/2, -rt3/2, -1]; |
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106 %! v = [0, pi/6, pi/4, pi/3, pi/2, 2*pi/3, 3*pi/4, 5*pi/6, pi]; |
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107 %! assert (acos (x), v, sqrt (eps)); |
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108 |
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109 %!test |
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110 %! x = single ([1, rt3/2, rt2/2, 1/2, 0, -1/2, -rt2/2, -rt3/2, -1]); |
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111 %! 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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112 %! assert (acos (x), v, sqrt (eps ("single"))); |
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113 |
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114 ## Test values on either side of branch cut |
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115 %!test |
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116 %! rval = 0; |
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117 %! ival = 1.31695789692481635; |
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118 %! obs = acos ([2, 2-i*eps, 2+i*eps]); |
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119 %! exp = [rval + ival*i, rval + ival*i, rval - ival*i]; |
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120 %! assert (obs, exp, 2*eps); |
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121 %! rval = pi; |
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122 %! obs = acos ([-2, -2-i*eps, -2+i*eps]); |
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123 %! exp = [rval - ival*i, rval + ival*i, rval - ival*i]; |
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124 %! assert (obs, exp, 2*eps); |
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125 %! assert (acos ([2 0]), [ival*i, pi/2], 2*eps); |
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126 %! assert (acos ([2 0i]), [ival*i, pi/2], 2*eps); |
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127 |
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128 ## Test large magnitude arguments (bug #45507) |
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129 ## FIXME: Test fails with older versions of libm. Try to detect and work |
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130 ## around this, or wait until working version of libm is widespread? |
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131 %!xtest <45507> |
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132 %! x = [1, -1, i, -i] .* 1e150; |
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133 %! v = [0, pi, pi/2, pi/2]; |
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134 %! assert (real (acos (x)), v); |
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135 |
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136 %!error acos () |
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137 %!error acos (1, 2) |
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138 */ |
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139 |
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140 DEFUN (acosh, args, , |
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141 doc: /* -*- texinfo -*- |
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142 @deftypefn {} {} acosh (@var{x}) |
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143 Compute the inverse hyperbolic cosine for each element of @var{x}. |
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144 @seealso{cosh} |
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145 @end deftypefn */) |
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146 { |
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147 if (args.length () != 1) |
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148 print_usage (); |
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149 |
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150 return ovl (args(0).acosh ()); |
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151 } |
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152 |
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153 /* |
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154 %!test |
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155 %! x = [1, 0, -1, 0]; |
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156 %! v = [0, pi/2*i, pi*i, pi/2*i]; |
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157 %! assert (acosh (x), v, sqrt (eps)); |
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158 |
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159 ## FIXME: std::acosh on Windows platforms, returns a result that differs |
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160 ## by 1 in the last significant digit. This is ~30*eps which is quite large. |
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161 ## The decision now (9/15/2016) is to mark the test with a bug number so |
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162 ## it is understood why it is failing, and wait for MinGw to improve their |
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163 ## std library. |
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164 %!test <49091> |
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165 %! re = 2.99822295029797; |
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166 %! im = pi/2; |
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167 %! assert (acosh (-10i), re - i*im); |
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168 |
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169 %!test |
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170 %! x = single ([1, 0, -1, 0]); |
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171 %! v = single ([0, pi/2*i, pi*i, pi/2*i]); |
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172 %! assert (acosh (x), v, sqrt (eps ("single"))); |
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173 |
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174 %!test <49091> |
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175 %! re = single (2.99822295029797); |
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176 %! im = single (pi/2); |
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177 %! assert (acosh (single (10i)), re + i*im, 5*eps ("single")); |
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178 %! assert (acosh (single (-10i)), re - i*im, 5*eps ("single")); |
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179 |
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180 ## Test large magnitude arguments (bug #45507) |
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181 ## FIXME: Test fails with older versions of libm. Try to detect and work |
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182 ## around this, or wait until working version of libm is widespread? |
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183 %!xtest <45507> |
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184 %! x = [1, -1, i, -i] .* 1e150; |
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185 %! v = [0, pi, pi/2, -pi/2]; |
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186 %! assert (imag (acosh (x)), v); |
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187 |
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188 %!error acosh () |
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189 %!error acosh (1, 2) |
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190 */ |
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191 |
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192 DEFUN (angle, args, , |
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193 doc: /* -*- texinfo -*- |
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194 @deftypefn {} {} angle (@var{z}) |
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195 See @code{arg}. |
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196 @seealso{arg} |
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197 @end deftypefn */) |
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198 { |
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199 if (args.length () != 1) |
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200 print_usage (); |
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201 |
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202 return ovl (args(0).arg ()); |
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203 } |
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204 |
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205 DEFUN (arg, args, , |
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206 doc: /* -*- texinfo -*- |
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207 @deftypefn {} {} arg (@var{z}) |
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208 @deftypefnx {} {} angle (@var{z}) |
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209 Compute the argument, i.e., angle of @var{z}. |
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210 |
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211 This is defined as, |
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212 @tex |
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213 $\theta = atan2 (y, x),$ |
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214 @end tex |
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215 @ifnottex |
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216 @var{theta} = @code{atan2 (@var{y}, @var{x})}, |
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217 @end ifnottex |
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218 in radians. |
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219 |
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220 For example: |
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221 |
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222 @example |
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223 @group |
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224 arg (3 + 4i) |
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225 @result{} 0.92730 |
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226 @end group |
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227 @end example |
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228 @seealso{abs} |
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229 @end deftypefn */) |
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230 { |
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231 if (args.length () != 1) |
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232 print_usage (); |
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233 |
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234 return ovl (args(0).arg ()); |
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235 } |
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236 |
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237 /* |
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238 %!assert (arg (1), 0) |
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239 %!assert (arg (i), pi/2) |
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240 %!assert (arg (-1), pi) |
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241 %!assert (arg (-i), -pi/2) |
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242 %!assert (arg ([1, i; -1, -i]), [0, pi/2; pi, -pi/2]) |
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243 |
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244 %!assert (arg (single (1)), single (0)) |
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245 %!assert (arg (single (i)), single (pi/2)) |
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246 %!test |
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247 %! if (ismac ()) |
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248 %! ## Avoid failing for a MacOS feature |
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249 %! assert (arg (single (-1)), single (pi), 2*eps (single (1))); |
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250 %! else |
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251 %! assert (arg (single (-1)), single (pi)); |
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252 %! endif |
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253 %!assert (arg (single (-i)), single (-pi/2)) |
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254 %!assert (arg (single ([1, i; -1, -i])), single ([0, pi/2; pi, -pi/2]), 2e1*eps ("single")) |
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255 |
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256 %!error arg () |
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257 %!error arg (1, 2) |
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258 */ |
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259 |
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260 DEFUN (asin, args, , |
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261 doc: /* -*- texinfo -*- |
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262 @deftypefn {} {} asin (@var{x}) |
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263 Compute the inverse sine in radians for each element of @var{x}. |
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264 @seealso{sin, asind} |
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265 @end deftypefn */) |
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266 { |
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267 if (args.length () != 1) |
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268 print_usage (); |
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269 |
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270 return ovl (args(0).asin ()); |
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271 } |
529 | 272 |
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274 %!shared rt2, rt3 |
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276 %! rt3 = sqrt (3); | |
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277 |
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278 %!test |
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279 %! x = [0, 1/2, rt2/2, rt3/2, 1, rt3/2, rt2/2, 1/2, 0]; |
7385 | 280 %! v = [0, pi/6, pi/4, pi/3, pi/2, pi/3, pi/4, pi/6, 0]; |
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281 %! assert (asin (x), v, sqrt (eps)); |
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282 |
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283 %!test |
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284 %! x = single ([0, 1/2, rt2/2, rt3/2, 1, rt3/2, rt2/2, 1/2, 0]); |
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285 %! v = single ([0, pi/6, pi/4, pi/3, pi/2, pi/3, pi/4, pi/6, 0]); |
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286 %! assert (asin (x), v, sqrt (eps ("single"))); |
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287 |
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288 ## Test values on either side of branch cut |
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289 %!test |
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290 %! rval = pi/2; |
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291 %! ival = 1.31695789692481635; |
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292 %! obs = asin ([2, 2-i*eps, 2+i*eps]); |
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293 %! exp = [rval - ival*i, rval - ival*i, rval + ival*i]; |
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294 %! assert (obs, exp, 2*eps); |
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295 %! obs = asin ([-2, -2-i*eps, -2+i*eps]); |
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296 %! exp = [-rval + ival*i, -rval - ival*i, -rval + ival*i]; |
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297 %! assert (obs, exp, 2*eps); |
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298 %! assert (asin ([2 0]), [rval - ival*i, 0], 2*eps); |
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299 %! assert (asin ([2 0i]), [rval - ival*i, 0], 2*eps); |
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300 |
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301 ## Test large magnitude arguments (bug #45507) |
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302 ## FIXME: Test fails with older versions of libm. Try to detect and work |
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303 ## around this, or wait until working version of libm is widespread? |
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304 %!xtest <45507> |
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305 %! x = [1, -1, i, -i] .* 1e150; |
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306 %! v = [pi/2, -pi/2, 0, -0]; |
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307 %! assert (real (asin (x)), v); |
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308 |
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309 %!error asin () |
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310 %!error asin (1, 2) |
7385 | 311 */ |
312 | |
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313 DEFUN (asinh, args, , |
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314 doc: /* -*- texinfo -*- |
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315 @deftypefn {} {} asinh (@var{x}) |
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316 Compute the inverse hyperbolic sine for each element of @var{x}. |
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317 @seealso{sinh} |
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318 @end deftypefn */) |
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319 { |
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320 if (args.length () != 1) |
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321 print_usage (); |
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322 |
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323 return ovl (args(0).asinh ()); |
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324 } |
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325 |
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326 /* |
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327 %!test |
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328 %! v = [0, pi/2*i, 0, -pi/2*i]; |
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329 %! x = [0, i, 0, -i]; |
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330 %! assert (asinh (x), v, sqrt (eps)); |
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331 |
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332 %!test |
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333 %! v = single ([0, pi/2*i, 0, -pi/2*i]); |
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334 %! x = single ([0, i, 0, -i]); |
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335 %! assert (asinh (x), v, sqrt (eps ("single"))); |
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336 |
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337 ## Test large magnitude arguments (bug #45507) |
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338 ## FIXME: Test fails with older versions of libm. Try to detect and work |
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339 ## around this, or wait until working version of libm is widespread? |
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340 %!xtest <45507> |
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341 %! x = [1, -1, i, -i] .* 1e150; |
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342 %! v = [0, 0, pi/2, -pi/2]; |
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343 %! assert (imag (asinh (x)), v); |
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344 |
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345 %!error asinh () |
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346 %!error asinh (1, 2) |
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347 */ |
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348 |
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349 DEFUN (atan, args, , |
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350 doc: /* -*- texinfo -*- |
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351 @deftypefn {} {} atan (@var{x}) |
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352 Compute the inverse tangent in radians for each element of @var{x}. |
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353 @seealso{tan, atand} |
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354 @end deftypefn */) |
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355 { |
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356 if (args.length () != 1) |
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357 print_usage (); |
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358 |
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359 return ovl (args(0).atan ()); |
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360 } |
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361 |
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362 /* |
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363 %!shared rt2, rt3 |
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364 %! rt2 = sqrt (2); |
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365 %! rt3 = sqrt (3); |
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366 |
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367 %!test |
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368 %! v = [0, pi/6, pi/4, pi/3, -pi/3, -pi/4, -pi/6, 0]; |
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369 %! x = [0, rt3/3, 1, rt3, -rt3, -1, -rt3/3, 0]; |
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370 %! assert (atan (x), v, sqrt (eps)); |
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371 |
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372 %!test |
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373 %! v = single ([0, pi/6, pi/4, pi/3, -pi/3, -pi/4, -pi/6, 0]); |
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374 %! x = single ([0, rt3/3, 1, rt3, -rt3, -1, -rt3/3, 0]); |
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375 %! assert (atan (x), v, sqrt (eps ("single"))); |
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376 |
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377 ## Test large magnitude arguments (bug #44310, bug #45507) |
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378 %!test <44310> |
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379 %! x = [1, -1, i, -i] .* 1e150; |
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380 %! v = [pi/2, -pi/2, pi/2, -pi/2]; |
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381 %! assert (real (atan (x)), v); |
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382 %! assert (imag (atan (x)), [0, 0, 0, 0], eps); |
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383 |
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384 %!error atan () |
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385 %!error atan (1, 2) |
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386 */ |
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387 |
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388 DEFUN (atanh, args, , |
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389 doc: /* -*- texinfo -*- |
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390 @deftypefn {} {} atanh (@var{x}) |
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391 Compute the inverse hyperbolic tangent for each element of @var{x}. |
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392 @seealso{tanh} |
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393 @end deftypefn */) |
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394 { |
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395 if (args.length () != 1) |
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396 print_usage (); |
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397 |
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398 return ovl (args(0).atanh ()); |
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399 } |
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400 |
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401 /* |
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402 %!test |
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403 %! v = [0, 0]; |
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404 %! x = [0, 0]; |
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405 %! assert (atanh (x), v, sqrt (eps)); |
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406 |
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407 %!test |
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408 %! v = single ([0, 0]); |
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409 %! x = single ([0, 0]); |
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410 %! assert (atanh (x), v, sqrt (eps ("single"))); |
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411 |
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412 ## Test large magnitude arguments (bug #44310, bug #45507) |
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413 %!test <44310> |
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414 %! x = [1, -1, i, -i] .* 1e150; |
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415 %! v = [pi/2, pi/2, pi/2, -pi/2]; |
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416 %! assert (imag (atanh (x)), v); |
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417 %! assert (real (atanh (x)), [0, 0, 0, 0], eps); |
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418 |
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419 %!error atanh () |
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420 %!error atanh (1, 2) |
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421 */ |
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422 |
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423 DEFUN (cbrt, args, , |
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424 doc: /* -*- texinfo -*- |
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425 @deftypefn {} {} cbrt (@var{x}) |
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426 Compute the real cube root of each element of @var{x}. |
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427 |
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428 Unlike @code{@var{x}^(1/3)}, the result will be negative if @var{x} is |
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429 negative. |
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430 @seealso{nthroot} |
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431 @end deftypefn */) |
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432 { |
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433 if (args.length () != 1) |
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434 print_usage (); |
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435 |
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436 return ovl (args(0).cbrt ()); |
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437 } |
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438 |
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439 /* |
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440 %!assert (cbrt (64), 4) |
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441 %!assert (cbrt (-125), -5) |
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442 %!assert (cbrt (0), 0) |
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443 %!assert (cbrt (Inf), Inf) |
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444 %!assert (cbrt (-Inf), -Inf) |
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445 %!assert (cbrt (NaN), NaN) |
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446 %!assert (cbrt (2^300), 2^100) |
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447 %!assert (cbrt (125*2^300), 5*2^100) |
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448 |
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449 %!error cbrt () |
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450 %!error cbrt (1, 2) |
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451 */ |
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452 |
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453 DEFUN (ceil, args, , |
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454 doc: /* -*- texinfo -*- |
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455 @deftypefn {} {} ceil (@var{x}) |
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456 Return the smallest integer not less than @var{x}. |
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457 |
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458 This is equivalent to rounding towards positive infinity. |
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459 |
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460 If @var{x} is complex, return |
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461 @code{ceil (real (@var{x})) + ceil (imag (@var{x})) * I}. |
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462 |
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463 @example |
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464 @group |
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465 ceil ([-2.7, 2.7]) |
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466 @result{} -2 3 |
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467 @end group |
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468 @end example |
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469 @seealso{floor, round, fix} |
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470 @end deftypefn */) |
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471 { |
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472 if (args.length () != 1) |
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473 print_usage (); |
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474 |
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475 return ovl (args(0).ceil ()); |
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476 } |
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477 |
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478 /* |
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479 ## double precision |
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480 %!assert (ceil ([2, 1.1, -1.1, -1]), [2, 2, -1, -1]) |
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481 |
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482 ## complex double precison |
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483 %!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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484 |
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485 ## single precision |
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486 %!assert (ceil (single ([2, 1.1, -1.1, -1])), single ([2, 2, -1, -1])) |
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487 |
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488 ## complex single precision |
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489 %!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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490 |
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491 %!error ceil () |
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492 %!error ceil (1, 2) |
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493 */ |
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494 |
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495 DEFUN (conj, args, , |
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496 doc: /* -*- texinfo -*- |
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497 @deftypefn {} {} conj (@var{z}) |
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498 Return the complex conjugate of @var{z}. |
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499 |
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500 The complex conjugate is defined as |
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501 @tex |
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502 $\bar{z} = x - iy$. |
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503 @end tex |
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504 @ifnottex |
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505 @code{conj (@var{z})} = @var{x} - @var{i}@var{y}. |
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506 @end ifnottex |
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507 @seealso{real, imag} |
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508 @end deftypefn */) |
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509 { |
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510 if (args.length () != 1) |
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511 print_usage (); |
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512 |
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513 return ovl (args(0).conj ()); |
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514 } |
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515 |
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516 /* |
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517 %!assert (conj (1), 1) |
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518 %!assert (conj (i), -i) |
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519 %!assert (conj (1+i), 1-i) |
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520 %!assert (conj (1-i), 1+i) |
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521 %!assert (conj ([-1, -i; -1+i, -1-i]), [-1, i; -1-i, -1+i]) |
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522 |
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523 %!assert (conj (single (1)), single (1)) |
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524 %!assert (conj (single (i)), single (-i)) |
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525 %!assert (conj (single (1+i)), single (1-i)) |
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526 %!assert (conj (single (1-i)), single (1+i)) |
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527 %!assert (conj (single ([-1, -i; -1+i, -1-i])), single ([-1, i; -1-i, -1+i])) |
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528 |
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529 %!error conj () |
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530 %!error conj (1, 2) |
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531 */ |
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532 |
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533 DEFUN (cos, args, , |
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534 doc: /* -*- texinfo -*- |
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535 @deftypefn {} {} cos (@var{x}) |
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536 Compute the cosine for each element of @var{x} in radians. |
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537 @seealso{acos, cosd, cosh} |
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538 @end deftypefn */) |
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539 { |
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540 if (args.length () != 1) |
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541 print_usage (); |
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542 |
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543 return ovl (args(0).cos ()); |
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544 } |
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545 |
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546 /* |
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547 %!shared rt2, rt3 |
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548 %! rt2 = sqrt (2); |
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549 %! rt3 = sqrt (3); |
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550 |
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551 %!test |
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552 %! x = [0, pi/6, pi/4, pi/3, pi/2, 2*pi/3, 3*pi/4, 5*pi/6, pi]; |
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553 %! v = [1, rt3/2, rt2/2, 1/2, 0, -1/2, -rt2/2, -rt3/2, -1]; |
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554 %! assert (cos (x), v, sqrt (eps)); |
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555 |
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556 %!test |
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557 %! rt2 = sqrt (2); |
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558 %! rt3 = sqrt (3); |
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559 %! 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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560 %! v = single ([1, rt3/2, rt2/2, 1/2, 0, -1/2, -rt2/2, -rt3/2, -1]); |
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561 %! assert (cos (x), v, sqrt (eps ("single"))); |
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562 |
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563 %!error cos () |
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564 %!error cos (1, 2) |
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565 */ |
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566 |
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567 DEFUN (cosh, args, , |
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568 doc: /* -*- texinfo -*- |
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569 @deftypefn {} {} cosh (@var{x}) |
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570 Compute the hyperbolic cosine for each element of @var{x}. |
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571 @seealso{acosh, sinh, tanh} |
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572 @end deftypefn */) |
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573 { |
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574 if (args.length () != 1) |
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575 print_usage (); |
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576 |
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577 return ovl (args(0).cosh ()); |
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578 } |
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579 |
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580 /* |
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581 %!test |
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582 %! x = [0, pi/2*i, pi*i, 3*pi/2*i]; |
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583 %! v = [1, 0, -1, 0]; |
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584 %! assert (cosh (x), v, sqrt (eps)); |
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585 |
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586 %!test |
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587 %! x = single ([0, pi/2*i, pi*i, 3*pi/2*i]); |
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588 %! v = single ([1, 0, -1, 0]); |
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589 %! assert (cosh (x), v, sqrt (eps ("single"))); |
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590 |
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591 %!error cosh () |
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592 %!error cosh (1, 2) |
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593 */ |
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594 |
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595 DEFUN (erf, args, , |
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596 doc: /* -*- texinfo -*- |
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597 @deftypefn {} {} erf (@var{z}) |
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598 Compute the error function. |
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599 |
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600 The error function is defined as |
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601 @tex |
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602 $$ |
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603 {\rm erf} (z) = {2 \over \sqrt{\pi}}\int_0^z e^{-t^2} dt |
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604 $$ |
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605 @end tex |
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606 @ifnottex |
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607 |
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608 @example |
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609 @group |
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610 z |
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611 2 / |
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612 erf (z) = --------- * | e^(-t^2) dt |
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613 sqrt (pi) / |
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614 t=0 |
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615 @end group |
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616 @end example |
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617 |
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618 @end ifnottex |
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619 @seealso{erfc, erfcx, erfi, dawson, erfinv, erfcinv} |
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620 @end deftypefn */) |
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621 { |
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622 if (args.length () != 1) |
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623 print_usage (); |
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624 |
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625 return ovl (args(0).erf ()); |
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626 } |
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627 |
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628 /* |
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629 %!test |
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630 %! a = -1i*sqrt (-1/(6.4187*6.4187)); |
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631 %! assert (erf (a), erf (real (a))); |
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632 |
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633 %!test |
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634 %! x = [0,.5,1]; |
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635 %! v = [0, .520499877813047, .842700792949715]; |
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636 %! assert (erf (x), v, 1.e-10); |
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637 %! assert (erf (-x), -v, 1.e-10); |
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638 %! assert (erfc (x), 1-v, 1.e-10); |
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639 %! assert (erfinv (v), x, 1.e-10); |
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640 |
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641 %!test |
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642 %! a = -1i*sqrt (single (-1/(6.4187*6.4187))); |
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643 %! assert (erf (a), erf (real (a))); |
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644 |
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645 %!test |
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646 %! x = single ([0,.5,1]); |
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647 %! v = single ([0, .520499877813047, .842700792949715]); |
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648 %! assert (erf (x), v, 1.e-6); |
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649 %! assert (erf (-x), -v, 1.e-6); |
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650 %! assert (erfc (x), 1-v, 1.e-6); |
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651 %! assert (erfinv (v), x, 1.e-6); |
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652 |
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653 %!test |
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654 %! x = [1+2i,-1+2i,1e-6+2e-6i,0+2i]; |
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655 %! v = [-0.53664356577857-5.04914370344703i, 0.536643565778565-5.04914370344703i, 0.112837916709965e-5+0.225675833419178e-5i, 18.5648024145755526i]; |
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656 %! assert (erf (x), v, -1.e-10); |
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657 %! assert (erf (-x), -v, -1.e-10); |
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658 %! assert (erfc (x), 1-v, -1.e-10); |
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659 |
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660 %!error erf () |
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661 %!error erf (1, 2) |
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662 */ |
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663 |
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664 DEFUN (erfinv, args, , |
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665 doc: /* -*- texinfo -*- |
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666 @deftypefn {} {} erfinv (@var{x}) |
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667 Compute the inverse error function. |
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668 |
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669 The inverse error function is defined such that |
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670 |
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671 @example |
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672 erf (@var{y}) == @var{x} |
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673 @end example |
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674 @seealso{erf, erfc, erfcx, erfi, dawson, erfcinv} |
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675 @end deftypefn */) |
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676 { |
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677 if (args.length () != 1) |
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678 print_usage (); |
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679 |
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680 return ovl (args(0).erfinv ()); |
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681 } |
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682 |
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683 /* |
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684 ## middle region |
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685 %!assert (erf (erfinv ([-0.9 -0.3 0 0.4 0.8])), [-0.9 -0.3 0 0.4 0.8], eps) |
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686 %!assert (erf (erfinv (single ([-0.9 -0.3 0 0.4 0.8]))), single ([-0.9 -0.3 0 0.4 0.8]), eps ("single")) |
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687 ## tail region |
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688 %!assert (erf (erfinv ([-0.999 -0.99 0.9999 0.99999])), [-0.999 -0.99 0.9999 0.99999], eps) |
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689 %!assert (erf (erfinv (single ([-0.999 -0.99 0.9999 0.99999]))), single ([-0.999 -0.99 0.9999 0.99999]), eps ("single")) |
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690 ## backward - loss of accuracy |
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691 %!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) |
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692 %!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) |
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693 ## exceptional |
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694 %!assert (erfinv ([-1, 1, 1.1, -2.1]), [-Inf, Inf, NaN, NaN]) |
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695 %!error erfinv (1+2i) |
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696 |
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697 %!error erfinv () |
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698 %!error erfinv (1, 2) |
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699 */ |
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700 |
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701 DEFUN (erfcinv, args, , |
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702 doc: /* -*- texinfo -*- |
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703 @deftypefn {} {} erfcinv (@var{x}) |
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704 Compute the inverse complementary error function. |
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705 |
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706 The inverse complementary error function is defined such that |
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707 |
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|
708 @example |
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709 erfc (@var{y}) == @var{x} |
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710 @end example |
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711 @seealso{erfc, erf, erfcx, erfi, dawson, erfinv} |
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712 @end deftypefn */) |
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713 { |
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714 if (args.length () != 1) |
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715 print_usage (); |
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716 |
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717 return ovl (args(0).erfcinv ()); |
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718 } |
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|
719 |
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|
720 /* |
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721 ## middle region |
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722 %!assert (erfc (erfcinv ([1.9 1.3 1 0.6 0.2])), [1.9 1.3 1 0.6 0.2], eps) |
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723 %!assert (erfc (erfcinv (single ([1.9 1.3 1 0.6 0.2]))), single ([1.9 1.3 1 0.6 0.2]), eps ("single")) |
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724 ## tail region |
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725 %!assert (erfc (erfcinv ([0.001 0.01 1.9999 1.99999])), [0.001 0.01 1.9999 1.99999], eps) |
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726 %!assert (erfc (erfcinv (single ([0.001 0.01 1.9999 1.99999]))), single ([0.001 0.01 1.9999 1.99999]), eps ("single")) |
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727 ## backward - loss of accuracy |
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|
728 %!assert (erfcinv (erfc ([-3 -1 -0.4 0.7 1.3 2.8])), [-3 -1 -0.4 0.7 1.3 2.8], -1e-12) |
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729 %!assert (erfcinv (erfc (single ([-3 -1 -0.4 0.7 1.3 2.8]))), single ([-3 -1 -0.4 0.7 1.3 2.8]), -1e-4) |
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730 ## exceptional |
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731 %!assert (erfcinv ([2, 0, -0.1, 2.1]), [-Inf, Inf, NaN, NaN]) |
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732 %!error erfcinv (1+2i) |
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|
733 |
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|
734 %!error erfcinv () |
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735 %!error erfcinv (1, 2) |
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|
736 */ |
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|
737 |
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738 DEFUN (erfc, args, , |
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739 doc: /* -*- texinfo -*- |
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740 @deftypefn {} {} erfc (@var{z}) |
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741 Compute the complementary error function. |
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|
742 |
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743 The complementary error function is defined as |
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744 @tex |
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745 $1 - {\rm erf} (z)$. |
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746 @end tex |
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747 @ifnottex |
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748 @w{@code{1 - erf (@var{z})}}. |
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749 @end ifnottex |
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750 @seealso{erfcinv, erfcx, erfi, dawson, erf, erfinv} |
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751 @end deftypefn */) |
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752 { |
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|
753 if (args.length () != 1) |
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|
754 print_usage (); |
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|
755 |
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|
756 return ovl (args(0).erfc ()); |
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|
757 } |
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|
758 |
7667
fb3a6c53c2b2
Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
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|
759 /* |
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Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
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|
760 %!test |
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|
761 %! a = -1i*sqrt (-1/(6.4187*6.4187)); |
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762 %! assert (erfc (a), erfc (real (a))); |
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|
763 |
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|
764 %!error erfc () |
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|
765 %!error erfc (1, 2) |
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|
766 */ |
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Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
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|
767 |
10391
59e34bcdff13
implement built-in erfcx
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|
768 DEFUN (erfcx, args, , |
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|
769 doc: /* -*- texinfo -*- |
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|
770 @deftypefn {} {} erfcx (@var{z}) |
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|
771 Compute the scaled complementary error function. |
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|
772 |
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|
773 The scaled complementary error function is defined as |
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|
774 @tex |
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|
775 $$ |
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|
776 e^{z^2} {\rm erfc} (z) \equiv e^{z^2} (1 - {\rm erf} (z)) |
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777 $$ |
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778 @end tex |
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779 @ifnottex |
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|
780 |
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|
781 @example |
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|
782 exp (z^2) * erfc (z) |
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783 @end example |
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|
784 |
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|
785 @end ifnottex |
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786 @seealso{erfc, erf, erfi, dawson, erfinv, erfcinv} |
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787 @end deftypefn */) |
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|
788 { |
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|
789 if (args.length () != 1) |
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|
790 print_usage (); |
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|
791 |
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|
792 return ovl (args(0).erfcx ()); |
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|
793 } |
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|
794 |
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|
795 /* |
15696
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|
796 |
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|
797 %!test |
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|
798 %! x = [1+2i,-1+2i,1e-6+2e-6i,0+2i]; |
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|
799 %! assert (erfcx (x), exp (x.^2) .* erfc(x), -1.e-10); |
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|
800 |
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changeset
|
801 %!test |
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|
802 %! x = [100, 100+20i]; |
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|
803 %! v = [0.0056416137829894329, 0.0054246791754558-0.00108483153786434i]; |
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|
804 %! assert (erfcx (x), v, -1.e-10); |
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|
805 |
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|
806 %!error erfcx () |
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|
807 %!error erfcx (1, 2) |
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|
808 */ |
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|
809 |
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Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
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|
810 DEFUN (erfi, args, , |
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|
811 doc: /* -*- texinfo -*- |
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|
812 @deftypefn {} {} erfi (@var{z}) |
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|
813 Compute the imaginary error function. |
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|
814 |
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|
815 The imaginary error function is defined as |
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|
816 @tex |
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|
817 $$ |
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|
818 -i {\rm erf} (iz) |
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|
819 $$ |
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|
820 @end tex |
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821 @ifnottex |
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|
822 |
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|
823 @example |
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824 -i * erf (i*z) |
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825 @end example |
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826 |
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827 @end ifnottex |
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828 @seealso{erfc, erf, erfcx, dawson, erfinv, erfcinv} |
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829 @end deftypefn */) |
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830 { |
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831 if (args.length () != 1) |
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|
832 print_usage (); |
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|
833 |
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|
834 return ovl (args(0).erfi ()); |
15696
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|
835 } |
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|
836 |
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|
837 /* |
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|
838 |
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|
839 %!test |
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|
840 %! x = [-0.1, 0.1, 1, 1+2i,-1+2i,1e-6+2e-6i,0+2i]; |
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841 %! assert (erfi (x), -i * erf(i*x), -1.e-10); |
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changeset
|
842 |
2fac72a256ce
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|
843 %!error erfi () |
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|
844 %!error erfi (1, 2) |
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|
845 */ |
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|
846 |
2fac72a256ce
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|
847 DEFUN (dawson, args, , |
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|
848 doc: /* -*- texinfo -*- |
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849 @deftypefn {} {} dawson (@var{z}) |
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850 Compute the Dawson (scaled imaginary error) function. |
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|
851 |
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|
852 The Dawson function is defined as |
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|
853 @tex |
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|
854 $$ |
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|
855 {\sqrt{\pi} \over 2} e^{-z^2} {\rm erfi} (z) \equiv -i {\sqrt{\pi} \over 2} e^{-z^2} {\rm erf} (iz) |
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|
856 $$ |
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|
857 @end tex |
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|
858 @ifnottex |
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|
859 |
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|
860 @example |
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|
861 (sqrt (pi) / 2) * exp (-z^2) * erfi (z) |
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|
862 @end example |
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|
863 |
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|
864 @end ifnottex |
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865 @seealso{erfc, erf, erfcx, erfi, erfinv, erfcinv} |
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866 @end deftypefn */) |
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|
867 { |
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|
868 if (args.length () != 1) |
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changeset
|
869 print_usage (); |
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|
870 |
20939
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diff
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|
871 return ovl (args(0).dawson ()); |
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|
872 } |
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|
873 |
2fac72a256ce
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changeset
|
874 /* |
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|
875 |
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|
876 %!test |
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|
877 %! x = [0.1, 1, 1+2i,-1+2i,1e-4+2e-4i,0+2i]; |
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|
878 %! v = [0.099335992397852861, 0.53807950691, -13.38892731648-11.828715104i, 13.38892731648-11.828715104i, 0.0001000000073333+0.000200000001333i, 48.160012114291i]; |
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|
879 %! assert (dawson (x), v, -1.e-10); |
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|
880 %! assert (dawson (-x), -v, -1.e-10); |
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|
881 |
2fac72a256ce
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|
882 %!error dawson () |
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|
883 %!error dawson (1, 2) |
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|
884 */ |
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|
885 |
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|
886 DEFUN (exp, args, , |
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|
887 doc: /* -*- texinfo -*- |
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888 @deftypefn {} {} exp (@var{x}) |
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|
889 Compute |
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|
890 @tex |
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891 $e^{x}$ |
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|
892 @end tex |
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893 @ifnottex |
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894 @code{e^x} |
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895 @end ifnottex |
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896 for each element of @var{x}. |
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897 |
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|
898 To compute the matrix exponential, see @ref{Linear Algebra}. |
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899 @seealso{log} |
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900 @end deftypefn */) |
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901 { |
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902 if (args.length () != 1) |
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|
903 print_usage (); |
20921
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|
904 |
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|
905 return ovl (args(0).exp ()); |
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|
906 } |
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|
907 |
7815
a41df65f3f00
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|
908 /* |
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|
909 %!assert (exp ([0, 1, -1, -1000]), [1, e, 1/e, 0], sqrt (eps)) |
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910 %!assert (exp (1+i), e * (cos (1) + sin (1) * i), sqrt (eps)) |
14429
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911 %!assert (exp (single ([0, 1, -1, -1000])), single ([1, e, 1/e, 0]), sqrt (eps ("single"))) |
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|
912 %!assert (exp (single (1+i)), single (e * (cos (1) + sin (1) * i)), sqrt (eps ("single"))) |
7815
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changeset
|
913 |
13972
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914 %!assert (exp ([Inf, -Inf, NaN]), [Inf 0 NaN]) |
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915 %!assert (exp (single ([Inf, -Inf, NaN])), single ([Inf 0 NaN])) |
7815
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916 |
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|
917 %!error exp () |
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|
918 %!error exp (1, 2) |
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|
919 */ |
a41df65f3f00
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|
920 |
7638
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|
921 DEFUN (expm1, args, , |
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|
922 doc: /* -*- texinfo -*- |
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923 @deftypefn {} {} expm1 (@var{x}) |
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|
924 Compute |
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|
925 @tex |
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|
926 $ e^{x} - 1 $ |
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927 @end tex |
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928 @ifnottex |
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|
929 @code{exp (@var{x}) - 1} |
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930 @end ifnottex |
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|
931 accurately in the neighborhood of zero. |
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|
932 @seealso{exp} |
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|
933 @end deftypefn */) |
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implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
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|
934 { |
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eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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|
935 if (args.length () != 1) |
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|
936 print_usage (); |
20921
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eliminate trailing whitespace in source files
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|
937 |
20939
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Rik <rik@octave.org>
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|
938 return ovl (args(0).expm1 ()); |
7638
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|
939 } |
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|
940 |
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|
941 /* |
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|
942 %!assert (expm1 (2*eps), 2*eps, 1e-29) |
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|
943 |
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|
944 %!assert (expm1 ([Inf, -Inf, NaN]), [Inf -1 NaN]) |
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|
945 %!assert (expm1 (single ([Inf, -Inf, NaN])), single ([Inf -1 NaN])) |
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946 |
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|
947 %!error expm1 () |
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948 %!error expm1 (1, 2) |
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|
949 */ |
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|
950 |
11431
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Improve docstrings for all isXXX functions.
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|
951 DEFUN (isfinite, args, , |
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|
952 doc: /* -*- texinfo -*- |
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953 @deftypefn {} {} isfinite (@var{x}) |
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954 Return a logical array which is true where the elements of @var{x} are |
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955 finite values and false where they are not. |
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|
956 |
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|
957 For example: |
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|
958 |
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|
959 @example |
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|
960 @group |
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|
961 isfinite ([13, Inf, NA, NaN]) |
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962 @result{} [ 1, 0, 0, 0 ] |
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963 @end group |
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964 @end example |
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965 @seealso{isinf, isnan, isna} |
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966 @end deftypefn */) |
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967 { |
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|
968 if (args.length () != 1) |
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969 print_usage (); |
20921
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|
970 |
21013
7f4c6d594e3d
Finish renaming mapper function finite to isfinite.
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|
971 return ovl (args(0).isfinite ()); |
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|
972 } |
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|
973 |
7814
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|
974 /* |
20955
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|
975 %!assert (! isfinite (Inf)) |
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|
976 %!assert (! isfinite (NaN)) |
19117
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Deprecate finite in favor of isfinite.
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|
977 %!assert (isfinite (rand (1,10))) |
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|
978 |
20955
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|
979 %!assert (! isfinite (single (Inf))) |
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|
980 %!assert (! isfinite (single (NaN))) |
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|
981 %!assert (isfinite (single (rand (1,10)))) |
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982 |
19117
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|
983 %!error isfinite () |
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|
984 %!error isfinite (1, 2) |
13140
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John W. Eaton <jwe@octave.org>
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13093
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|
985 */ |
7814
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|
986 |
7503
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|
987 DEFUN (fix, args, , |
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988 doc: /* -*- texinfo -*- |
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989 @deftypefn {} {} fix (@var{x}) |
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990 Truncate fractional portion of @var{x} and return the integer portion. |
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|
991 |
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992 This is equivalent to rounding towards zero. If @var{x} is complex, return |
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993 @code{fix (real (@var{x})) + fix (imag (@var{x})) * I}. |
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|
994 |
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|
995 @example |
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|
996 @group |
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997 fix ([-2.7, 2.7]) |
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998 @result{} -2 2 |
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999 @end group |
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1000 @end example |
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1001 @seealso{ceil, floor, round} |
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1002 @end deftypefn */) |
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1003 { |
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1004 if (args.length () != 1) |
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1005 print_usage (); |
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|
1006 |
20939
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1007 return ovl (args(0).fix ()); |
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|
1008 } |
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1009 |
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1010 /* |
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1011 %!assert (fix ([1.1, 1, -1.1, -1]), [1, 1, -1, -1]) |
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1012 %!assert (fix ([1.1+1.1i, 1+i, -1.1-1.1i, -1-i]), [1+i, 1+i, -1-i, -1-i]) |
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1013 %!assert (fix (single ([1.1, 1, -1.1, -1])), single ([1, 1, -1, -1])) |
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1014 %!assert (fix (single ([1.1+1.1i, 1+i, -1.1-1.1i, -1-i])), single ([1+i, 1+i, -1-i, -1-i])) |
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1015 |
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1016 %!error fix () |
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1017 %!error fix (1, 2) |
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1018 */ |
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1019 |
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1020 DEFUN (floor, args, , |
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1021 doc: /* -*- texinfo -*- |
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1022 @deftypefn {} {} floor (@var{x}) |
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1023 Return the largest integer not greater than @var{x}. |
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|
1024 |
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1025 This is equivalent to rounding towards negative infinity. If @var{x} is |
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1026 complex, return @code{floor (real (@var{x})) + floor (imag (@var{x})) * I}. |
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1027 |
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1028 @example |
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1029 @group |
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1030 floor ([-2.7, 2.7]) |
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1031 @result{} -3 2 |
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1032 @end group |
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1033 @end example |
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1034 @seealso{ceil, round, fix} |
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1035 @end deftypefn */) |
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1036 { |
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1037 if (args.length () != 1) |
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1038 print_usage (); |
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1039 |
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1040 return ovl (args(0).floor ()); |
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1041 } |
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1042 |
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1043 /* |
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1044 %!assert (floor ([2, 1.1, -1.1, -1]), [2, 1, -2, -1]) |
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1045 %!assert (floor ([2+2i, 1.1+1.1i, -1.1-1.1i, -1-i]), [2+2i, 1+i, -2-2i, -1-i]) |
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1046 %!assert (floor (single ([2, 1.1, -1.1, -1])), single ([2, 1, -2, -1])) |
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1047 %!assert (floor (single ([2+2i, 1.1+1.1i, -1.1-1.1i, -1-i])), single ([2+2i, 1+i, -2-2i, -1-i])) |
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1048 |
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1049 %!error floor () |
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1050 %!error floor (1, 2) |
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1051 */ |
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1052 |
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1053 DEFUN (gamma, args, , |
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1054 doc: /* -*- texinfo -*- |
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1055 @deftypefn {} {} gamma (@var{z}) |
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1056 Compute the Gamma function. |
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1057 |
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1058 The Gamma function is defined as |
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1059 @tex |
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1060 $$ |
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1061 \Gamma (z) = \int_0^\infty t^{z-1} e^{-t} dt. |
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1062 $$ |
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1063 @end tex |
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1064 @ifnottex |
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1065 |
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1066 @example |
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1067 @group |
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1068 infinity |
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1069 / |
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1070 gamma (z) = | t^(z-1) exp (-t) dt. |
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1071 / |
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1072 t=0 |
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1073 @end group |
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1074 @end example |
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1075 |
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1076 @end ifnottex |
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1077 |
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1078 Programming Note: The gamma function can grow quite large even for small |
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1079 input values. In many cases it may be preferable to use the natural |
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1080 logarithm of the gamma function (@code{gammaln}) in calculations to minimize |
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1081 loss of precision. The final result is then |
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1082 @code{exp (@var{result_using_gammaln}).} |
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1083 @seealso{gammainc, gammaln, factorial} |
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1084 @end deftypefn */) |
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1085 { |
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1086 if (args.length () != 1) |
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1087 print_usage (); |
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1088 |
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1089 return ovl (args(0).gamma ()); |
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1090 } |
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1091 |
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1092 /* |
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1093 %!test |
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1094 %! a = -1i*sqrt (-1/(6.4187*6.4187)); |
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1095 %! assert (gamma (a), gamma (real (a))); |
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1096 |
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1097 %!test |
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1098 %! x = [.5, 1, 1.5, 2, 3, 4, 5]; |
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1099 %! v = [sqrt(pi), 1, .5*sqrt(pi), 1, 2, 6, 24]; |
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1100 %! assert (gamma (x), v, sqrt (eps)); |
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1101 |
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1102 %!test |
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1103 %! a = single (-1i*sqrt (-1/(6.4187*6.4187))); |
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1104 %! assert (gamma (a), gamma (real (a))); |
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1105 |
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1106 %!test |
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1107 %! x = single ([.5, 1, 1.5, 2, 3, 4, 5]); |
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1108 %! v = single ([sqrt(pi), 1, .5*sqrt(pi), 1, 2, 6, 24]); |
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1109 %! assert (gamma (x), v, sqrt (eps ("single"))); |
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1110 |
10903
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1111 %!test |
17708
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1112 %! ## Test exceptional values |
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1113 %! x = [-Inf, -1, -0, 0, 1, Inf, NaN]; |
19357
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1114 %! v = [Inf, Inf, -Inf, Inf, 1, Inf, NaN]; |
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1115 %! assert (gamma (x), v); |
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1116 %! assert (gamma (single (x)), single (v)); |
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1117 |
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1118 %!error gamma () |
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1119 %!error gamma (1, 2) |
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1120 */ |
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1121 |
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1122 DEFUN (imag, args, , |
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1123 doc: /* -*- texinfo -*- |
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1124 @deftypefn {} {} imag (@var{z}) |
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1125 Return the imaginary part of @var{z} as a real number. |
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1126 @seealso{real, conj} |
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1127 @end deftypefn */) |
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1128 { |
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1129 if (args.length () != 1) |
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1130 print_usage (); |
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1131 |
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1132 return ovl (args(0).imag ()); |
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1133 } |
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1134 |
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1135 /* |
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1136 %!assert (imag (1), 0) |
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1137 %!assert (imag (i), 1) |
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1138 %!assert (imag (1+i), 1) |
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1139 %!assert (imag ([i, 1; 1, i]), full (eye (2))) |
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1140 |
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1141 %!assert (imag (single (1)), single (0)) |
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1142 %!assert (imag (single (i)), single (1)) |
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1143 %!assert (imag (single (1+i)), single (1)) |
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1144 %!assert (imag (single ([i, 1; 1, i])), full (eye (2,"single"))) |
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1145 |
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1146 %!error imag () |
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1147 %!error imag (1, 2) |
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|
1148 */ |
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|
1149 |
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1150 DEFUNX ("isalnum", Fisalnum, args, , |
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1151 doc: /* -*- texinfo -*- |
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|
1152 @deftypefn {} {} isalnum (@var{s}) |
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1153 Return a logical array which is true where the elements of @var{s} are |
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1154 letters or digits and false where they are not. |
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1155 |
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1156 This is equivalent to (@code{isalpha (@var{s}) | isdigit (@var{s})}). |
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1157 @seealso{isalpha, isdigit, ispunct, isspace, iscntrl} |
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1158 @end deftypefn */) |
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1159 { |
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1160 if (args.length () != 1) |
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1161 print_usage (); |
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1162 |
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1163 return ovl (args(0).xisalnum ()); |
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|
1164 } |
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1165 |
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1166 /* |
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1167 %!test |
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1168 %! charset = char (0:127); |
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1169 %! result = false (1, 128); |
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1170 %! result(toascii ("A":"Z") + 1) = true; |
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1171 %! result(toascii ("0":"9") + 1) = true; |
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1172 %! result(toascii ("a":"z") + 1) = true; |
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1173 %! assert (isalnum (charset), result); |
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1174 |
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1175 %!error isalnum () |
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1176 %!error isalnum (1, 2) |
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1177 */ |
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1178 |
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1179 DEFUNX ("isalpha", Fisalpha, args, , |
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1180 doc: /* -*- texinfo -*- |
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1181 @deftypefn {} {} isalpha (@var{s}) |
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|
1182 Return a logical array which is true where the elements of @var{s} are |
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1183 letters and false where they are not. |
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|
1184 |
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|
1185 This is equivalent to (@code{islower (@var{s}) | isupper (@var{s})}). |
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1186 @seealso{isdigit, ispunct, isspace, iscntrl, isalnum, islower, isupper} |
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1187 @end deftypefn */) |
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1188 { |
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1189 if (args.length () != 1) |
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1190 print_usage (); |
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1191 |
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1192 return ovl (args(0).xisalpha ()); |
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1193 } |
2089 | 1194 |
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1195 /* |
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1196 %!test |
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1197 %! charset = char (0:127); |
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1198 %! result = false (1, 128); |
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1199 %! result(toascii ("A":"Z") + 1) = true; |
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1200 %! result(toascii ("a":"z") + 1) = true; |
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1201 %! assert (isalpha (charset), result); |
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1202 |
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1203 %!error isalpha () |
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1204 %!error isalpha (1, 2) |
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1205 */ |
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|
1206 |
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1207 DEFUNX ("isascii", Fisascii, args, , |
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|
1208 doc: /* -*- texinfo -*- |
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1209 @deftypefn {} {} isascii (@var{s}) |
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1210 Return a logical array which is true where the elements of @var{s} are |
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1211 ASCII characters (in the range 0 to 127 decimal) and false where they are |
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1212 not. |
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1213 @end deftypefn */) |
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1214 { |
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|
1215 if (args.length () != 1) |
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|
1216 print_usage (); |
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1217 |
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1218 return ovl (args(0).xisascii ()); |
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1219 } |
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1220 |
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1221 /* |
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|
1222 %!test |
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1223 %! charset = char (0:127); |
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|
1224 %! result = true (1, 128); |
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|
1225 %! assert (isascii (charset), result); |
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1226 |
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|
1227 %!error isascii () |
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|
1228 %!error isascii (1, 2) |
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1229 */ |
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|
1230 |
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|
1231 DEFUNX ("iscntrl", Fiscntrl, args, , |
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|
1232 doc: /* -*- texinfo -*- |
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|
1233 @deftypefn {} {} iscntrl (@var{s}) |
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1234 Return a logical array which is true where the elements of @var{s} are |
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1235 control characters and false where they are not. |
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1236 @seealso{ispunct, isspace, isalpha, isdigit} |
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|
1237 @end deftypefn */) |
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1238 { |
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|
1239 if (args.length () != 1) |
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|
1240 print_usage (); |
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1241 |
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|
1242 return ovl (args(0).xiscntrl ()); |
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1243 } |
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1244 |
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1245 /* |
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1246 %!test |
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1247 %! charset = char (0:127); |
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1248 %! result = false (1, 128); |
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1249 %! result(1:32) = true; |
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1250 %! result(128) = true; |
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|
1251 %! assert (iscntrl (charset), result); |
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1252 |
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1253 %!error iscntrl () |
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1254 %!error iscntrl (1, 2) |
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1255 */ |
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1256 |
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1257 DEFUNX ("isdigit", Fisdigit, args, , |
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|
1258 doc: /* -*- texinfo -*- |
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|
1259 @deftypefn {} {} isdigit (@var{s}) |
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|
1260 Return a logical array which is true where the elements of @var{s} are |
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|
1261 decimal digits (0-9) and false where they are not. |
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|
1262 @seealso{isxdigit, isalpha, isletter, ispunct, isspace, iscntrl} |
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move docstrings in C++ files out of C strings and into comments
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|
1263 @end deftypefn */) |
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convert mapper functions to new format
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|
1264 { |
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John W. Eaton <jwe@octave.org>
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|
1265 if (args.length () != 1) |
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convert mapper functions to new format
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|
1266 print_usage (); |
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eliminate trailing whitespace in source files
John W. Eaton <jwe@octave.org>
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|
1267 |
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b17fda023ca6
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Rik <rik@octave.org>
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|
1268 return ovl (args(0).xisdigit ()); |
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convert mapper functions to new format
David Bateman <dbateman@free.fr>
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|
1269 } |
8c32f95c2639
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David Bateman <dbateman@free.fr>
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|
1270 |
13140
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John W. Eaton <jwe@octave.org>
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|
1271 /* |
98d23b0f16e1
maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
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|
1272 %!test |
13964
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Use char() instead of deprecated setstr() in %!test code.
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|
1273 %! charset = char (0:127); |
13972
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Rik <octave@nomad.inbox5.com>
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|
1274 %! result = false (1, 128); |
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|
1275 %! result(toascii ("0":"9") + 1) = true; |
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Update %!tests in src/ directory with Octave coding conventions.
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|
1276 %! assert (isdigit (charset), result); |
13140
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John W. Eaton <jwe@octave.org>
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|
1277 |
13972
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|
1278 %!error isdigit () |
09432c6f23e7
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|
1279 %!error isdigit (1, 2) |
13140
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maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
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|
1280 */ |
98d23b0f16e1
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|
1281 |
7503
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convert mapper functions to new format
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changeset
|
1282 DEFUN (isinf, args, , |
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move docstrings in C++ files out of C strings and into comments
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|
1283 doc: /* -*- texinfo -*- |
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move docstrings in C++ files out of C strings and into comments
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changeset
|
1284 @deftypefn {} {} isinf (@var{x}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1285 Return a logical array which is true where the elements of @var{x} are |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1286 infinite and false where they are not. |
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move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
1287 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
1288 For example: |
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move docstrings in C++ files out of C strings and into comments
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|
1289 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
1290 @example |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1291 @group |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1292 isinf ([13, Inf, NA, NaN]) |
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move docstrings in C++ files out of C strings and into comments
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|
1293 @result{} [ 0, 1, 0, 0 ] |
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move docstrings in C++ files out of C strings and into comments
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|
1294 @end group |
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move docstrings in C++ files out of C strings and into comments
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|
1295 @end example |
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move docstrings in C++ files out of C strings and into comments
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|
1296 @seealso{isfinite, isnan, isna} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1297 @end deftypefn */) |
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|
1298 { |
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John W. Eaton <jwe@octave.org>
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|
1299 if (args.length () != 1) |
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|
1300 print_usage (); |
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eliminate trailing whitespace in source files
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|
1301 |
20939
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maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
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|
1302 return ovl (args(0).isinf ()); |
7503
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|
1303 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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|
1304 |
7814
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
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|
1305 /* |
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|
1306 %!assert (isinf (Inf)) |
20955
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maint: Use '! expr' rather than '!expr' to conform to coding guidelines.
Rik <rik@octave.org>
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20939
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|
1307 %!assert (! isinf (NaN)) |
77f5591878bf
maint: Use '! expr' rather than '!expr' to conform to coding guidelines.
Rik <rik@octave.org>
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20939
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|
1308 %!assert (! isinf (NA)) |
14861
f7afecdd87ef
maint: Use Octave coding conventions for cuddling parentheses in src/ directory
Rik <octave@nomad.inbox5.com>
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14817
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|
1309 %!assert (isinf (rand (1,10)), false (1,10)) |
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|
1310 %!assert (isinf ([NaN -Inf -1 0 1 Inf NA]), [false, true, false, false, false, true, false]) |
7814
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
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|
1311 |
13972
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|
1312 %!assert (isinf (single (Inf))) |
20955
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maint: Use '! expr' rather than '!expr' to conform to coding guidelines.
Rik <rik@octave.org>
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|
1313 %!assert (! isinf (single (NaN))) |
77f5591878bf
maint: Use '! expr' rather than '!expr' to conform to coding guidelines.
Rik <rik@octave.org>
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20939
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|
1314 %!assert (! isinf (single (NA))) |
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Rik <octave@nomad.inbox5.com>
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|
1315 %!assert (isinf (single (rand (1,10))), false (1,10)) |
13972
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|
1316 %!assert (isinf (single ([NaN -Inf -1 0 1 Inf NA])), [false, true, false, false, false, true, false]) |
09432c6f23e7
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|
1317 |
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|
1318 %!error isinf () |
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|
1319 %!error isinf (1, 2) |
13140
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John W. Eaton <jwe@octave.org>
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|
1320 */ |
7814
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David Bateman <dbateman@free.fr>
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7667
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|
1321 |
7528
26d8a92644de
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John W. Eaton <jwe@octave.org>
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|
1322 DEFUNX ("isgraph", Fisgraph, args, , |
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|
1323 doc: /* -*- texinfo -*- |
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move docstrings in C++ files out of C strings and into comments
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|
1324 @deftypefn {} {} isgraph (@var{s}) |
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|
1325 Return a logical array which is true where the elements of @var{s} are |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1326 printable characters (but not the space character) and false where they are |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1327 not. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1328 @seealso{isprint} |
112b20240c87
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|
1329 @end deftypefn */) |
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David Bateman <dbateman@free.fr>
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|
1330 { |
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John W. Eaton <jwe@octave.org>
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20183
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|
1331 if (args.length () != 1) |
7503
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convert mapper functions to new format
David Bateman <dbateman@free.fr>
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7385
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changeset
|
1332 print_usage (); |
20921
4d3daf7e43f3
eliminate trailing whitespace in source files
John W. Eaton <jwe@octave.org>
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20853
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|
1333 |
20939
b17fda023ca6
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Rik <rik@octave.org>
parents:
20921
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changeset
|
1334 return ovl (args(0).xisgraph ()); |
7503
8c32f95c2639
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David Bateman <dbateman@free.fr>
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7385
diff
changeset
|
1335 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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7385
diff
changeset
|
1336 |
13140
98d23b0f16e1
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John W. Eaton <jwe@octave.org>
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|
1337 /* |
98d23b0f16e1
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John W. Eaton <jwe@octave.org>
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|
1338 %!test |
13964
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Use char() instead of deprecated setstr() in %!test code.
Rik <octave@nomad.inbox5.com>
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|
1339 %! charset = char (0:127); |
13972
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Rik <octave@nomad.inbox5.com>
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|
1340 %! result = false (1, 128); |
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|
1341 %! result(34:127) = true; |
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Rik <octave@nomad.inbox5.com>
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|
1342 %! assert (isgraph (charset), result); |
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John W. Eaton <jwe@octave.org>
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|
1343 |
13972
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|
1344 %!error isgraph () |
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|
1345 %!error isgraph (1, 2) |
13140
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John W. Eaton <jwe@octave.org>
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13093
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|
1346 */ |
98d23b0f16e1
maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
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|
1347 |
7528
26d8a92644de
try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
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7503
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changeset
|
1348 DEFUNX ("islower", Fislower, args, , |
21966
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move docstrings in C++ files out of C strings and into comments
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changeset
|
1349 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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21945
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changeset
|
1350 @deftypefn {} {} islower (@var{s}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21945
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changeset
|
1351 Return a logical array which is true where the elements of @var{s} are |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
1352 lowercase letters and false where they are not. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1353 @seealso{isupper, isalpha, isletter, isalnum} |
112b20240c87
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21945
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|
1354 @end deftypefn */) |
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David Bateman <dbateman@free.fr>
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|
1355 { |
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John W. Eaton <jwe@octave.org>
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changeset
|
1356 if (args.length () != 1) |
7503
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convert mapper functions to new format
David Bateman <dbateman@free.fr>
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changeset
|
1357 print_usage (); |
20921
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John W. Eaton <jwe@octave.org>
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changeset
|
1358 |
20939
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Rik <rik@octave.org>
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20921
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changeset
|
1359 return ovl (args(0).xislower ()); |
7503
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changeset
|
1360 } |
8c32f95c2639
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|
1361 |
13140
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|
1362 /* |
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|
1363 %!test |
13964
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|
1364 %! charset = char (0:127); |
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|
1365 %! result = false (1, 128); |
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|
1366 %! result(toascii ("a":"z") + 1) = true; |
14429
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Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
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|
1367 %! assert (islower (charset), result); |
13140
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|
1368 |
13972
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|
1369 %!error islower () |
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|
1370 %!error islower (1, 2) |
13140
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John W. Eaton <jwe@octave.org>
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|
1371 */ |
98d23b0f16e1
maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents:
13093
diff
changeset
|
1372 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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changeset
|
1373 DEFUN (isna, args, , |
21966
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move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1374 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21945
diff
changeset
|
1375 @deftypefn {} {} isna (@var{x}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1376 Return a logical array which is true where the elements of @var{x} are |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21945
diff
changeset
|
1377 NA (missing) values and false where they are not. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21945
diff
changeset
|
1378 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1379 For example: |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1380 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1381 @example |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
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|
1382 @group |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1383 isna ([13, Inf, NA, NaN]) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1384 @result{} [ 0, 0, 1, 0 ] |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21945
diff
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|
1385 @end group |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1386 @end example |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21945
diff
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|
1387 @seealso{isnan, isinf, isfinite} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
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|
1388 @end deftypefn */) |
7503
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convert mapper functions to new format
David Bateman <dbateman@free.fr>
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diff
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|
1389 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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20183
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|
1390 if (args.length () != 1) |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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7385
diff
changeset
|
1391 print_usage (); |
20921
4d3daf7e43f3
eliminate trailing whitespace in source files
John W. Eaton <jwe@octave.org>
parents:
20853
diff
changeset
|
1392 |
20939
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20921
diff
changeset
|
1393 return ovl (args(0).isna ()); |
7503
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convert mapper functions to new format
David Bateman <dbateman@free.fr>
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7385
diff
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|
1394 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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7385
diff
changeset
|
1395 |
7814
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
1396 /* |
20955
77f5591878bf
maint: Use '! expr' rather than '!expr' to conform to coding guidelines.
Rik <rik@octave.org>
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20939
diff
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|
1397 %!assert (! isna (Inf)) |
77f5591878bf
maint: Use '! expr' rather than '!expr' to conform to coding guidelines.
Rik <rik@octave.org>
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20939
diff
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|
1398 %!assert (! isna (NaN)) |
13972
09432c6f23e7
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Rik <octave@nomad.inbox5.com>
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changeset
|
1399 %!assert (isna (NA)) |
14861
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maint: Use Octave coding conventions for cuddling parentheses in src/ directory
Rik <octave@nomad.inbox5.com>
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14817
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|
1400 %!assert (isna (rand (1,10)), false (1,10)) |
13972
09432c6f23e7
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Rik <octave@nomad.inbox5.com>
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diff
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|
1401 %!assert (isna ([NaN -Inf -1 0 1 Inf NA]), [false, false, false, false, false, false, true]) |
7814
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
1402 |
20955
77f5591878bf
maint: Use '! expr' rather than '!expr' to conform to coding guidelines.
Rik <rik@octave.org>
parents:
20939
diff
changeset
|
1403 %!assert (! isna (single (Inf))) |
77f5591878bf
maint: Use '! expr' rather than '!expr' to conform to coding guidelines.
Rik <rik@octave.org>
parents:
20939
diff
changeset
|
1404 %!assert (! isna (single (NaN))) |
13972
09432c6f23e7
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Rik <octave@nomad.inbox5.com>
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13966
diff
changeset
|
1405 %!assert (isna (single (NA))) |
14861
f7afecdd87ef
maint: Use Octave coding conventions for cuddling parentheses in src/ directory
Rik <octave@nomad.inbox5.com>
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14817
diff
changeset
|
1406 %!assert (isna (single (rand (1,10))), false (1,10)) |
13972
09432c6f23e7
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Rik <octave@nomad.inbox5.com>
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13966
diff
changeset
|
1407 %!assert (isna (single ([NaN -Inf -1 0 1 Inf NA])), [false, false, false, false, false, false, true]) |
09432c6f23e7
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Rik <octave@nomad.inbox5.com>
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diff
changeset
|
1408 |
09432c6f23e7
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Rik <octave@nomad.inbox5.com>
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diff
changeset
|
1409 %!error isna () |
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1410 %!error isna (1, 2) |
13140
98d23b0f16e1
maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
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13093
diff
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|
1411 */ |
7814
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
1412 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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7385
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changeset
|
1413 DEFUN (isnan, args, , |
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move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21945
diff
changeset
|
1414 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21945
diff
changeset
|
1415 @deftypefn {} {} isnan (@var{x}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21945
diff
changeset
|
1416 Return a logical array which is true where the elements of @var{x} are |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21945
diff
changeset
|
1417 NaN values and false where they are not. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21945
diff
changeset
|
1418 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1419 NA values are also considered NaN values. For example: |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21945
diff
changeset
|
1420 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21945
diff
changeset
|
1421 @example |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21945
diff
changeset
|
1422 @group |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1423 isnan ([13, Inf, NA, NaN]) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21945
diff
changeset
|
1424 @result{} [ 0, 0, 1, 1 ] |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21945
diff
changeset
|
1425 @end group |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21945
diff
changeset
|
1426 @end example |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1427 @seealso{isna, isinf, isfinite} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21945
diff
changeset
|
1428 @end deftypefn */) |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1429 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20183
diff
changeset
|
1430 if (args.length () != 1) |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1431 print_usage (); |
20921
4d3daf7e43f3
eliminate trailing whitespace in source files
John W. Eaton <jwe@octave.org>
parents:
20853
diff
changeset
|
1432 |
20939
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20921
diff
changeset
|
1433 return ovl (args(0).isnan ()); |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1434 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1435 |
7814
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
1436 /* |
20955
77f5591878bf
maint: Use '! expr' rather than '!expr' to conform to coding guidelines.
Rik <rik@octave.org>
parents:
20939
diff
changeset
|
1437 %!assert (! isnan (Inf)) |
13972
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1438 %!assert (isnan (NaN)) |
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1439 %!assert (isnan (NA)) |
14861
f7afecdd87ef
maint: Use Octave coding conventions for cuddling parentheses in src/ directory
Rik <octave@nomad.inbox5.com>
parents:
14817
diff
changeset
|
1440 %!assert (isnan (rand (1,10)), false (1,10)) |
13972
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1441 %!assert (isnan ([NaN -Inf -1 0 1 Inf NA]), [true, false, false, false, false, false, true]) |
7814
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
1442 |
20955
77f5591878bf
maint: Use '! expr' rather than '!expr' to conform to coding guidelines.
Rik <rik@octave.org>
parents:
20939
diff
changeset
|
1443 %!assert (! isnan (single (Inf))) |
13972
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1444 %!assert (isnan (single (NaN))) |
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1445 %!assert (isnan (single (NA))) |
14861
f7afecdd87ef
maint: Use Octave coding conventions for cuddling parentheses in src/ directory
Rik <octave@nomad.inbox5.com>
parents:
14817
diff
changeset
|
1446 %!assert (isnan (single (rand (1,10))), false (1,10)) |
13972
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1447 %!assert (isnan (single ([NaN -Inf -1 0 1 Inf NA])), [true, false, false, false, false, false, true]) |
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1448 |
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1449 %!error isnan () |
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1450 %!error isnan (1, 2) |
13140
98d23b0f16e1
maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents:
13093
diff
changeset
|
1451 */ |
7814
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
1452 |
7528
26d8a92644de
try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents:
7503
diff
changeset
|
1453 DEFUNX ("isprint", Fisprint, args, , |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1454 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
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changeset
|
1455 @deftypefn {} {} isprint (@var{s}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1456 Return a logical array which is true where the elements of @var{s} are |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21945
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changeset
|
1457 printable characters (including the space character) and false where they |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21945
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changeset
|
1458 are not. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21945
diff
changeset
|
1459 @seealso{isgraph} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21945
diff
changeset
|
1460 @end deftypefn */) |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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7385
diff
changeset
|
1461 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20183
diff
changeset
|
1462 if (args.length () != 1) |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1463 print_usage (); |
20921
4d3daf7e43f3
eliminate trailing whitespace in source files
John W. Eaton <jwe@octave.org>
parents:
20853
diff
changeset
|
1464 |
20939
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20921
diff
changeset
|
1465 return ovl (args(0).xisprint ()); |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1466 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1467 |
13140
98d23b0f16e1
maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents:
13093
diff
changeset
|
1468 /* |
98d23b0f16e1
maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
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13093
diff
changeset
|
1469 %!test |
13964
12fa52c6e886
Use char() instead of deprecated setstr() in %!test code.
Rik <octave@nomad.inbox5.com>
parents:
13929
diff
changeset
|
1470 %! charset = char (0:127); |
13972
09432c6f23e7
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Rik <octave@nomad.inbox5.com>
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13966
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changeset
|
1471 %! result = false (1, 128); |
09432c6f23e7
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Rik <octave@nomad.inbox5.com>
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13966
diff
changeset
|
1472 %! result(33:127) = true; |
14429
eff4a5933e28
Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14360
diff
changeset
|
1473 %! assert (isprint (charset), result); |
13140
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maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
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13093
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changeset
|
1474 |
13972
09432c6f23e7
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changeset
|
1475 %!error isprint () |
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
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13966
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changeset
|
1476 %!error isprint (1, 2) |
13140
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maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents:
13093
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changeset
|
1477 */ |
98d23b0f16e1
maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
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13093
diff
changeset
|
1478 |
7528
26d8a92644de
try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents:
7503
diff
changeset
|
1479 DEFUNX ("ispunct", Fispunct, args, , |
21966
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move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21945
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changeset
|
1480 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21945
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changeset
|
1481 @deftypefn {} {} ispunct (@var{s}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1482 Return a logical array which is true where the elements of @var{s} are |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1483 punctuation characters and false where they are not. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1484 @seealso{isalpha, isdigit, isspace, iscntrl} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1485 @end deftypefn */) |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1486 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20183
diff
changeset
|
1487 if (args.length () != 1) |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1488 print_usage (); |
20921
4d3daf7e43f3
eliminate trailing whitespace in source files
John W. Eaton <jwe@octave.org>
parents:
20853
diff
changeset
|
1489 |
20939
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20921
diff
changeset
|
1490 return ovl (args(0).xispunct ()); |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1491 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1492 |
13140
98d23b0f16e1
maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents:
13093
diff
changeset
|
1493 /* |
98d23b0f16e1
maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents:
13093
diff
changeset
|
1494 %!test |
13964
12fa52c6e886
Use char() instead of deprecated setstr() in %!test code.
Rik <octave@nomad.inbox5.com>
parents:
13929
diff
changeset
|
1495 %! charset = char (0:127); |
13972
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1496 %! result = false (1, 128); |
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1497 %! result(34:48) = true; |
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1498 %! result(59:65) = true; |
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1499 %! result(92:97) = true; |
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1500 %! result(124:127) = true; |
14429
eff4a5933e28
Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14360
diff
changeset
|
1501 %! assert (ispunct (charset), result); |
13140
98d23b0f16e1
maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents:
13093
diff
changeset
|
1502 |
13972
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1503 %!error ispunct () |
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1504 %!error ispunct (1, 2) |
13140
98d23b0f16e1
maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents:
13093
diff
changeset
|
1505 */ |
98d23b0f16e1
maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents:
13093
diff
changeset
|
1506 |
7528
26d8a92644de
try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents:
7503
diff
changeset
|
1507 DEFUNX ("isspace", Fisspace, args, , |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1508 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1509 @deftypefn {} {} isspace (@var{s}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1510 Return a logical array which is true where the elements of @var{s} are |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1511 whitespace characters (space, formfeed, newline, carriage return, tab, and |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1512 vertical tab) and false where they are not. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1513 @seealso{iscntrl, ispunct, isalpha, isdigit} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1514 @end deftypefn */) |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1515 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20183
diff
changeset
|
1516 if (args.length () != 1) |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1517 print_usage (); |
20921
4d3daf7e43f3
eliminate trailing whitespace in source files
John W. Eaton <jwe@octave.org>
parents:
20853
diff
changeset
|
1518 |
20939
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20921
diff
changeset
|
1519 return ovl (args(0).xisspace ()); |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1520 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1521 |
13140
98d23b0f16e1
maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents:
13093
diff
changeset
|
1522 /* |
98d23b0f16e1
maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents:
13093
diff
changeset
|
1523 %!test |
13964
12fa52c6e886
Use char() instead of deprecated setstr() in %!test code.
Rik <octave@nomad.inbox5.com>
parents:
13929
diff
changeset
|
1524 %! charset = char (0:127); |
13972
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1525 %! result = false (1, 128); |
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1526 %! result(toascii (" \f\n\r\t\v") + 1) = true; |
14429
eff4a5933e28
Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
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14360
diff
changeset
|
1527 %! assert (isspace (charset), result); |
13140
98d23b0f16e1
maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents:
13093
diff
changeset
|
1528 |
13972
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1529 %!error isspace () |
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1530 %!error isspace (1, 2) |
13140
98d23b0f16e1
maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents:
13093
diff
changeset
|
1531 */ |
98d23b0f16e1
maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents:
13093
diff
changeset
|
1532 |
7528
26d8a92644de
try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents:
7503
diff
changeset
|
1533 DEFUNX ("isupper", Fisupper, args, , |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1534 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1535 @deftypefn {} {} isupper (@var{s}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1536 Return a logical array which is true where the elements of @var{s} are |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1537 uppercase letters and false where they are not. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1538 @seealso{islower, isalpha, isletter, isalnum} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1539 @end deftypefn */) |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1540 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20183
diff
changeset
|
1541 if (args.length () != 1) |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1542 print_usage (); |
20921
4d3daf7e43f3
eliminate trailing whitespace in source files
John W. Eaton <jwe@octave.org>
parents:
20853
diff
changeset
|
1543 |
20939
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20921
diff
changeset
|
1544 return ovl (args(0).xisupper ()); |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1545 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1546 |
13140
98d23b0f16e1
maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents:
13093
diff
changeset
|
1547 /* |
98d23b0f16e1
maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents:
13093
diff
changeset
|
1548 %!test |
13964
12fa52c6e886
Use char() instead of deprecated setstr() in %!test code.
Rik <octave@nomad.inbox5.com>
parents:
13929
diff
changeset
|
1549 %! charset = char (0:127); |
13972
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1550 %! result = false (1, 128); |
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1551 %! result(toascii ("A":"Z") + 1) = true; |
14429
eff4a5933e28
Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14360
diff
changeset
|
1552 %! assert (isupper (charset), result); |
13140
98d23b0f16e1
maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents:
13093
diff
changeset
|
1553 |
13972
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1554 %!error isupper () |
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1555 %!error isupper (1, 2) |
13140
98d23b0f16e1
maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents:
13093
diff
changeset
|
1556 */ |
98d23b0f16e1
maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents:
13093
diff
changeset
|
1557 |
7528
26d8a92644de
try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents:
7503
diff
changeset
|
1558 DEFUNX ("isxdigit", Fisxdigit, args, , |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1559 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1560 @deftypefn {} {} isxdigit (@var{s}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1561 Return a logical array which is true where the elements of @var{s} are |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1562 hexadecimal digits (0-9 and @nospell{a-fA-F}). |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1563 @seealso{isdigit} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1564 @end deftypefn */) |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1565 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20183
diff
changeset
|
1566 if (args.length () != 1) |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1567 print_usage (); |
20921
4d3daf7e43f3
eliminate trailing whitespace in source files
John W. Eaton <jwe@octave.org>
parents:
20853
diff
changeset
|
1568 |
20939
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20921
diff
changeset
|
1569 return ovl (args(0).xisxdigit ()); |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1570 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1571 |
13140
98d23b0f16e1
maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents:
13093
diff
changeset
|
1572 /* |
98d23b0f16e1
maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents:
13093
diff
changeset
|
1573 %!test |
13964
12fa52c6e886
Use char() instead of deprecated setstr() in %!test code.
Rik <octave@nomad.inbox5.com>
parents:
13929
diff
changeset
|
1574 %! charset = char (0:127); |
13972
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1575 %! result = false (1, 128); |
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1576 %! result(toascii ("A":"F") + 1) = true; |
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1577 %! result(toascii ("0":"9") + 1) = true; |
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1578 %! result(toascii ("a":"f") + 1) = true; |
14429
eff4a5933e28
Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14360
diff
changeset
|
1579 %! assert (isxdigit (charset), result); |
13140
98d23b0f16e1
maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents:
13093
diff
changeset
|
1580 |
13972
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1581 %!error isxdigit () |
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1582 %!error isxdigit (1, 2) |
13140
98d23b0f16e1
maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents:
13093
diff
changeset
|
1583 */ |
98d23b0f16e1
maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents:
13093
diff
changeset
|
1584 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1585 DEFUN (lgamma, args, , |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1586 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1587 @deftypefn {} {} gammaln (@var{x}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1588 @deftypefnx {} {} lgamma (@var{x}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1589 Return the natural logarithm of the gamma function of @var{x}. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1590 @seealso{gamma, gammainc} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1591 @end deftypefn */) |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1592 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20183
diff
changeset
|
1593 if (args.length () != 1) |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1594 print_usage (); |
20921
4d3daf7e43f3
eliminate trailing whitespace in source files
John W. Eaton <jwe@octave.org>
parents:
20853
diff
changeset
|
1595 |
20939
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20921
diff
changeset
|
1596 return ovl (args(0).lgamma ()); |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1597 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1598 |
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
|
1599 /* |
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
|
1600 %!test |
13972
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1601 %! a = -1i*sqrt (-1/(6.4187*6.4187)); |
19275
653ed3a6ba83
Use gammaln in preference to lgamma in core Octave code.
Rik <rik@octave.org>
parents:
19242
diff
changeset
|
1602 %! assert (gammaln (a), gammaln (real (a))); |
7667
fb3a6c53c2b2
Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
David Bateman <dbateman@free.fr>
parents:
7638
diff
changeset
|
1603 |
7815
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1604 %!test |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1605 %! 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
|
1606 %! v = [sqrt(pi), 1, .5*sqrt(pi), 1, 2, 6, 24]; |
21580
ecce63c99c3f
maint: Add semicolons to terminate code in %! blocks.
Rik <rik@octave.org>
parents:
21301
diff
changeset
|
1607 %! assert (gammaln (x), log (v), sqrt (eps)); |
7815
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1608 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1609 %!test |
13972
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1610 %! a = single (-1i*sqrt (-1/(6.4187*6.4187))); |
19275
653ed3a6ba83
Use gammaln in preference to lgamma in core Octave code.
Rik <rik@octave.org>
parents:
19242
diff
changeset
|
1611 %! assert (gammaln (a), gammaln (real (a))); |
7815
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1612 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1613 %!test |
13972
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1614 %! x = single ([.5, 1, 1.5, 2, 3, 4, 5]); |
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1615 %! v = single ([sqrt(pi), 1, .5*sqrt(pi), 1, 2, 6, 24]); |
21580
ecce63c99c3f
maint: Add semicolons to terminate code in %! blocks.
Rik <rik@octave.org>
parents:
21301
diff
changeset
|
1616 %! assert (gammaln (x), log (v), sqrt (eps ("single"))); |
7815
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1617 |
10903
9f0f1a89c704
Add new %!tests for negative integer arguments to gamma, lgamma.
Rik <octave@nomad.inbox5.com>
parents:
10840
diff
changeset
|
1618 %!test |
9f0f1a89c704
Add new %!tests for negative integer arguments to gamma, lgamma.
Rik <octave@nomad.inbox5.com>
parents:
10840
diff
changeset
|
1619 %! 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
|
1620 %! v = [Inf, Inf, 0, Inf]; |
19275
653ed3a6ba83
Use gammaln in preference to lgamma in core Octave code.
Rik <rik@octave.org>
parents:
19242
diff
changeset
|
1621 %! assert (gammaln (x), v); |
653ed3a6ba83
Use gammaln in preference to lgamma in core Octave code.
Rik <rik@octave.org>
parents:
19242
diff
changeset
|
1622 %! assert (gammaln (single (x)), single (v)); |
10903
9f0f1a89c704
Add new %!tests for negative integer arguments to gamma, lgamma.
Rik <octave@nomad.inbox5.com>
parents:
10840
diff
changeset
|
1623 |
19275
653ed3a6ba83
Use gammaln in preference to lgamma in core Octave code.
Rik <rik@octave.org>
parents:
19242
diff
changeset
|
1624 %!error gammaln () |
653ed3a6ba83
Use gammaln in preference to lgamma in core Octave code.
Rik <rik@octave.org>
parents:
19242
diff
changeset
|
1625 %!error gammaln (1,2) |
7667
fb3a6c53c2b2
Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
David Bateman <dbateman@free.fr>
parents:
7638
diff
changeset
|
1626 */ |
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
|
1627 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1628 DEFUN (log, args, , |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1629 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1630 @deftypefn {} {} log (@var{x}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1631 Compute the natural logarithm, |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1632 @tex |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1633 $\ln{(x)},$ |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1634 @end tex |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1635 @ifnottex |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1636 @code{ln (@var{x})}, |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1637 @end ifnottex |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1638 for each element of @var{x}. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1639 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1640 To compute the matrix logarithm, see @ref{Linear Algebra}. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1641 @seealso{exp, log1p, log2, log10, logspace} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1642 @end deftypefn */) |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1643 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20183
diff
changeset
|
1644 if (args.length () != 1) |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1645 print_usage (); |
20921
4d3daf7e43f3
eliminate trailing whitespace in source files
John W. Eaton <jwe@octave.org>
parents:
20853
diff
changeset
|
1646 |
20939
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20921
diff
changeset
|
1647 return ovl (args(0).log ()); |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1648 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1649 |
7815
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1650 /* |
13972
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1651 %!assert (log ([1, e, e^2]), [0, 1, 2], sqrt (eps)) |
14429
eff4a5933e28
Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14360
diff
changeset
|
1652 %!assert (log ([-0.5, -1.5, -2.5]), log ([0.5, 1.5, 2.5]) + pi*1i, sqrt (eps)) |
7815
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1653 |
14429
eff4a5933e28
Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14360
diff
changeset
|
1654 %!assert (log (single ([1, e, e^2])), single ([0, 1, 2]), sqrt (eps ("single"))) |
eff4a5933e28
Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14360
diff
changeset
|
1655 %!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
|
1656 |
13972
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1657 %!error log () |
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1658 %!error log (1, 2) |
13140
98d23b0f16e1
maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents:
13093
diff
changeset
|
1659 */ |
7815
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1660 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1661 DEFUN (log10, args, , |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1662 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1663 @deftypefn {} {} log10 (@var{x}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1664 Compute the base-10 logarithm of each element of @var{x}. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1665 @seealso{log, log2, logspace, exp} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1666 @end deftypefn */) |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1667 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20183
diff
changeset
|
1668 if (args.length () != 1) |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1669 print_usage (); |
20921
4d3daf7e43f3
eliminate trailing whitespace in source files
John W. Eaton <jwe@octave.org>
parents:
20853
diff
changeset
|
1670 |
20939
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20921
diff
changeset
|
1671 return ovl (args(0).log10 ()); |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1672 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1673 |
7815
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1674 /* |
13972
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1675 %!assert (log10 ([0.01, 0.1, 1, 10, 100]), [-2, -1, 0, 1, 2], sqrt (eps)) |
14429
eff4a5933e28
Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14360
diff
changeset
|
1676 %!assert (log10 (single ([0.01, 0.1, 1, 10, 100])), single ([-2, -1, 0, 1, 2]), sqrt (eps ("single"))) |
7815
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1677 |
13972
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1678 %!error log10 () |
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1679 %!error log10 (1, 2) |
7815
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1680 */ |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1681 |
7638
2df457529cfa
implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents:
7636
diff
changeset
|
1682 DEFUN (log1p, args, , |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1683 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1684 @deftypefn {} {} log1p (@var{x}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1685 Compute |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1686 @tex |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1687 $\ln{(1 + x)}$ |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1688 @end tex |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1689 @ifnottex |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1690 @code{log (1 + @var{x})} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1691 @end ifnottex |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1692 accurately in the neighborhood of zero. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1693 @seealso{log, exp, expm1} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
diff
changeset
|
1694 @end deftypefn */) |
7638
2df457529cfa
implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents:
7636
diff
changeset
|
1695 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20183
diff
changeset
|
1696 if (args.length () != 1) |
7638
2df457529cfa
implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents:
7636
diff
changeset
|
1697 print_usage (); |
20921
4d3daf7e43f3
eliminate trailing whitespace in source files
John W. Eaton <jwe@octave.org>
parents:
20853
diff
changeset
|
1698 |
20939
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20921
diff
changeset
|
1699 return ovl (args(0).log1p ()); |
7638
2df457529cfa
implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents:
7636
diff
changeset
|
1700 } |
2df457529cfa
implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents:
7636
diff
changeset
|
1701 |
13972
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1702 /* |
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1703 %!assert (log1p ([0, 2*eps, -2*eps]), [0, 2*eps, -2*eps], 1e-29) |
14429
eff4a5933e28
Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14360
diff
changeset
|
1704 %!assert (log1p (single ([0, 2*eps, -2*eps])), single ([0, 2*eps, -2*eps]), 1e-29) |
13972
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1705 |
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1706 %!error log1p () |
09432c6f23e7
mappers.cc: Update %!tests to modern coding standards
Rik <octave@nomad.inbox5.com>
parents:
13966
diff
changeset
|
1707 %!error log1p (1, 2) |
09432c6f23e7
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1708 */ |
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|
1709 |
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1710 DEFUN (real, args, , |
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|
1711 doc: /* -*- texinfo -*- |
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|
1712 @deftypefn {} {} real (@var{z}) |
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1713 Return the real part of @var{z}. |
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1714 @seealso{imag, conj} |
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1715 @end deftypefn */) |
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|
1716 { |
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John W. Eaton <jwe@octave.org>
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|
1717 if (args.length () != 1) |
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|
1718 print_usage (); |
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|
1719 |
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Rik <rik@octave.org>
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|
1720 return ovl (args(0).real ()); |
7503
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David Bateman <dbateman@free.fr>
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|
1721 } |
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David Bateman <dbateman@free.fr>
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|
1722 |
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Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
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|
1723 /* |
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1724 %!assert (real (1), 1) |
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|
1725 %!assert (real (i), 0) |
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|
1726 %!assert (real (1+i), 1) |
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|
1727 %!assert (real ([1, i; i, 1]), full (eye (2))) |
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Add some single precision test code and fix resulting bugs
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|
1728 |
13972
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|
1729 %!assert (real (single (1)), single (1)) |
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|
1730 %!assert (real (single (i)), single (0)) |
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|
1731 %!assert (real (single (1+i)), single (1)) |
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|
1732 %!assert (real (single ([1, i; i, 1])), full (eye (2, "single"))) |
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Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
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|
1733 |
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|
1734 %!error real () |
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|
1735 %!error real (1, 2) |
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|
1736 */ |
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|
1737 |
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|
1738 DEFUN (round, args, , |
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|
1739 doc: /* -*- texinfo -*- |
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|
1740 @deftypefn {} {} round (@var{x}) |
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|
1741 Return the integer nearest to @var{x}. |
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|
1742 |
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|
1743 If @var{x} is complex, return |
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|
1744 @code{round (real (@var{x})) + round (imag (@var{x})) * I}. If there |
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|
1745 are two nearest integers, return the one further away from zero. |
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|
1746 |
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|
1747 @example |
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|
1748 @group |
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|
1749 round ([-2.7, 2.7]) |
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|
1750 @result{} -3 3 |
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|
1751 @end group |
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|
1752 @end example |
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|
1753 @seealso{ceil, floor, fix, roundb} |
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|
1754 @end deftypefn */) |
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David Bateman <dbateman@free.fr>
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|
1755 { |
20805
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John W. Eaton <jwe@octave.org>
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|
1756 if (args.length () != 1) |
7503
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David Bateman <dbateman@free.fr>
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|
1757 print_usage (); |
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|
1758 |
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Rik <rik@octave.org>
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|
1759 return ovl (args(0).round ()); |
7503
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David Bateman <dbateman@free.fr>
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|
1760 } |
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|
1761 |
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Add some single precision test code and fix resulting bugs
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|
1762 /* |
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|
1763 %!assert (round (1), 1) |
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|
1764 %!assert (round (1.1), 1) |
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|
1765 %!assert (round (5.5), 6) |
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|
1766 %!assert (round (i), i) |
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|
1767 %!assert (round (2.5+3.5i), 3+4i) |
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|
1768 %!assert (round (-2.6), -3) |
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|
1769 %!assert (round ([1.1, -2.4; -3.7, 7.1]), [1, -2; -4, 7]) |
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Add some single precision test code and fix resulting bugs
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|
1770 |
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|
1771 %!assert (round (single (1)), single (1)) |
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|
1772 %!assert (round (single (1.1)), single (1)) |
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|
1773 %!assert (round (single (5.5)), single (6)) |
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|
1774 %!assert (round (single (i)), single (i)) |
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|
1775 %!assert (round (single (2.5+3.5i)), single (3+4i)) |
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|
1776 %!assert (round (single (-2.6)), single (-3)) |
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|
1777 %!assert (round (single ([1.1, -2.4; -3.7, 7.1])), single ([1, -2; -4, 7])) |
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Add some single precision test code and fix resulting bugs
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|
1778 |
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|
1779 %!error round () |
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|
1780 %!error round (1, 2) |
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|
1781 */ |
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Add some single precision test code and fix resulting bugs
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|
1782 |
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Jaroslav Hajek <highegg@gmail.com>
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|
1783 DEFUN (roundb, args, , |
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|
1784 doc: /* -*- texinfo -*- |
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|
1785 @deftypefn {} {} roundb (@var{x}) |
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|
1786 Return the integer nearest to @var{x}. If there are two nearest |
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|
1787 integers, return the even one (banker's rounding). |
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|
1788 |
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|
1789 If @var{x} is complex, |
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|
1790 return @code{roundb (real (@var{x})) + roundb (imag (@var{x})) * I}. |
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|
1791 @seealso{round} |
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|
1792 @end deftypefn */) |
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|
1793 { |
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|
1794 if (args.length () != 1) |
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|
1795 print_usage (); |
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|
1796 |
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|
1797 return ovl (args(0).roundb ()); |
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|
1798 } |
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|
1799 |
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1800 /* |
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|
1801 %!assert (roundb (1), 1) |
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1802 %!assert (roundb (1.1), 1) |
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1803 %!assert (roundb (1.5), 2) |
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1804 %!assert (roundb (4.5), 4) |
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1805 %!assert (roundb (i), i) |
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1806 %!assert (roundb (2.5+3.5i), 2+4i) |
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1807 %!assert (roundb (-2.6), -3) |
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1808 %!assert (roundb ([1.1, -2.4; -3.7, 7.1]), [1, -2; -4, 7]) |
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1809 |
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1810 %!assert (roundb (single (1)), single (1)) |
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1811 %!assert (roundb (single (1.1)), single (1)) |
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1812 %!assert (roundb (single (1.5)), single (2)) |
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1813 %!assert (roundb (single (4.5)), single (4)) |
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|
1814 %!assert (roundb (single (i)), single (i)) |
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|
1815 %!assert (roundb (single (2.5+3.5i)), single (2+4i)) |
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1816 %!assert (roundb (single (-2.6)), single (-3)) |
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1817 %!assert (roundb (single ([1.1, -2.4; -3.7, 7.1])), single ([1, -2; -4, 7])) |
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1818 |
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1819 %!error roundb () |
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1820 %!error roundb (1, 2) |
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1821 */ |
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1822 |
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1823 DEFUN (sign, args, , |
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1824 doc: /* -*- texinfo -*- |
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1825 @deftypefn {} {} sign (@var{x}) |
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1826 Compute the @dfn{signum} function. |
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1827 |
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1828 This is defined as |
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1829 @tex |
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1830 $$ |
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1831 {\rm sign} (@var{x}) = \cases{1,&$x>0$;\cr 0,&$x=0$;\cr -1,&$x<0$.\cr} |
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1832 $$ |
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1833 @end tex |
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1834 @ifnottex |
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1835 |
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1836 @example |
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1837 @group |
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1838 -1, x < 0; |
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1839 sign (x) = 0, x = 0; |
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1840 1, x > 0. |
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1841 @end group |
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1842 @end example |
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1843 |
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1844 @end ifnottex |
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1845 |
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1846 For complex arguments, @code{sign} returns @code{x ./ abs (@var{x})}. |
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1847 |
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1848 Note that @code{sign (-0.0)} is 0. Although IEEE 754 floating point |
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1849 allows zero to be signed, 0.0 and -0.0 compare equal. If you must test |
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1850 whether zero is signed, use the @code{signbit} function. |
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1851 @seealso{signbit} |
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1852 @end deftypefn */) |
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1853 { |
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1854 if (args.length () != 1) |
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1855 print_usage (); |
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1856 |
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1857 return ovl (args(0).signum ()); |
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1858 } |
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1859 |
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1860 /* |
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1861 %!assert (sign (-2) , -1) |
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1862 %!assert (sign (0), 0) |
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1863 %!assert (sign (3), 1) |
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1864 %!assert (sign ([1, -pi; e, 0]), [1, -1; 1, 0]) |
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1865 |
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1866 %!assert (sign (single (-2)) , single (-1)) |
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1867 %!assert (sign (single (0)), single (0)) |
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1868 %!assert (sign (single (3)), single (1)) |
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1869 %!assert (sign (single ([1, -pi; e, 0])), single ([1, -1; 1, 0])) |
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1870 |
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1871 %!error sign () |
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1872 %!error sign (1, 2) |
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1873 */ |
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1874 |
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1875 DEFUNX ("signbit", Fsignbit, args, , |
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1876 doc: /* -*- texinfo -*- |
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1877 @deftypefn {} {} signbit (@var{x}) |
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1878 Return logical true if the value of @var{x} has its sign bit set and false |
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1879 otherwise. |
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1880 |
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1881 This behavior is consistent with the other logical functions. |
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1882 See @ref{Logical Values}. The behavior differs from the C language function |
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1883 which returns nonzero if the sign bit is set. |
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1884 |
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1885 This is not the same as @code{x < 0.0}, because IEEE 754 floating point |
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1886 allows zero to be signed. The comparison @code{-0.0 < 0.0} is false, |
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1887 but @code{signbit (-0.0)} will return a nonzero value. |
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1888 @seealso{sign} |
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1889 @end deftypefn */) |
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1890 { |
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1891 if (args.length () != 1) |
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1892 print_usage (); |
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1893 |
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1894 octave_value tmp = args(0).xsignbit (); |
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1895 |
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1896 return ovl (tmp != 0); |
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1897 } |
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1898 |
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1899 /* |
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1900 %!assert (signbit (1) == 0) |
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1901 %!assert (signbit (-2) != 0) |
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1902 %!assert (signbit (0) == 0) |
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1903 %!assert (signbit (-0) != 0) |
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1904 |
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1905 %!assert (signbit (single (1)) == 0) |
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1906 %!assert (signbit (single (-2)) != 0) |
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1907 %!assert (signbit (single (0)) == 0) |
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1908 %!assert (signbit (single (-0)) != 0) |
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1909 |
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1910 %!error sign () |
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1911 %!error sign (1, 2) |
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1912 */ |
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1913 |
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1914 DEFUN (sin, args, , |
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1915 doc: /* -*- texinfo -*- |
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1916 @deftypefn {} {} sin (@var{x}) |
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1917 Compute the sine for each element of @var{x} in radians. |
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1918 @seealso{asin, sind, sinh} |
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1919 @end deftypefn */) |
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1920 { |
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1921 if (args.length () != 1) |
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1922 print_usage (); |
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1923 |
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1924 return ovl (args(0).sin ()); |
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1925 } |
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1926 |
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1927 /* |
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1928 %!shared rt2, rt3 |
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1929 %! rt2 = sqrt (2); |
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1930 %! rt3 = sqrt (3); |
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1931 |
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1932 %!test |
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1933 %! x = [0, pi/6, pi/4, pi/3, pi/2, 2*pi/3, 3*pi/4, 5*pi/6, pi]; |
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1934 %! v = [0, 1/2, rt2/2, rt3/2, 1, rt3/2, rt2/2, 1/2, 0]; |
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1935 %! assert (sin (x), v, sqrt (eps)); |
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1936 |
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1937 %!test |
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1938 %! 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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1939 %! v = single ([0, 1/2, rt2/2, rt3/2, 1, rt3/2, rt2/2, 1/2, 0]); |
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1940 %! assert (sin (x), v, sqrt (eps ("single"))); |
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1941 |
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1942 %!error sin () |
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1943 %!error sin (1, 2) |
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1944 */ |
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1945 |
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1946 DEFUN (sinh, args, , |
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1947 doc: /* -*- texinfo -*- |
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1948 @deftypefn {} {} sinh (@var{x}) |
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1949 Compute the hyperbolic sine for each element of @var{x}. |
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1950 @seealso{asinh, cosh, tanh} |
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1951 @end deftypefn */) |
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1952 { |
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1953 if (args.length () != 1) |
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1954 print_usage (); |
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1955 |
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1956 return ovl (args(0).sinh ()); |
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1957 } |
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1958 |
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1959 /* |
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1960 %!test |
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1961 %! x = [0, pi/2*i, pi*i, 3*pi/2*i]; |
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1962 %! v = [0, i, 0, -i]; |
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1963 %! assert (sinh (x), v, sqrt (eps)); |
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1964 |
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1965 %!test |
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1966 %! x = single ([0, pi/2*i, pi*i, 3*pi/2*i]); |
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1967 %! v = single ([0, i, 0, -i]); |
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1968 %! assert (sinh (x), v, sqrt (eps ("single"))); |
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1969 |
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1970 %!error sinh () |
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1971 %!error sinh (1, 2) |
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1972 */ |
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1973 |
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1974 DEFUN (sqrt, args, , |
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1975 doc: /* -*- texinfo -*- |
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1976 @deftypefn {} {} sqrt (@var{x}) |
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1977 Compute the square root of each element of @var{x}. |
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1978 |
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1979 If @var{x} is negative, a complex result is returned. |
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1980 |
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1981 To compute the matrix square root, see @ref{Linear Algebra}. |
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1982 @seealso{realsqrt, nthroot} |
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1983 @end deftypefn */) |
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1984 { |
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1985 if (args.length () != 1) |
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1986 print_usage (); |
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1987 |
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1988 return ovl (args(0).sqrt ()); |
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1989 } |
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1990 |
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1991 /* |
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1992 %!assert (sqrt (4), 2) |
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1993 %!assert (sqrt (-1), i) |
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1994 %!assert (sqrt (1+i), exp (0.5 * log (1+i)), sqrt (eps)) |
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1995 %!assert (sqrt ([4, -4; i, 1-i]), [2, 2i; exp(0.5 * log (i)), exp(0.5 * log (1-i))], sqrt (eps)) |
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1996 |
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1997 %!assert (sqrt (single (4)), single (2)) |
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1998 %!assert (sqrt (single (-1)), single (i)) |
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1999 %!assert (sqrt (single (1+i)), single (exp (0.5 * log (1+i))), sqrt (eps ("single"))) |
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2000 %!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"))) |
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2001 |
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2002 %!error sqrt () |
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2003 %!error sqrt (1, 2) |
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2004 */ |
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2005 |
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2006 DEFUN (tan, args, , |
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2007 doc: /* -*- texinfo -*- |
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2008 @deftypefn {} {} tan (@var{z}) |
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2009 Compute the tangent for each element of @var{x} in radians. |
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2010 @seealso{atan, tand, tanh} |
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2011 @end deftypefn */) |
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2012 { |
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2013 if (args.length () != 1) |
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2014 print_usage (); |
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2015 |
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2016 return ovl (args(0).tan ()); |
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2017 } |
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2018 |
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2019 /* |
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2020 %!shared rt2, rt3 |
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2021 %! rt2 = sqrt (2); |
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2022 %! rt3 = sqrt (3); |
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2023 |
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2024 %!test |
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2025 %! x = [0, pi/6, pi/4, pi/3, 2*pi/3, 3*pi/4, 5*pi/6, pi]; |
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2026 %! v = [0, rt3/3, 1, rt3, -rt3, -1, -rt3/3, 0]; |
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2027 %! assert (tan (x), v, sqrt (eps)); |
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2028 |
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2029 %!test |
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2030 %! x = single ([0, pi/6, pi/4, pi/3, 2*pi/3, 3*pi/4, 5*pi/6, pi]); |
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2031 %! v = single ([0, rt3/3, 1, rt3, -rt3, -1, -rt3/3, 0]); |
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2032 %! assert (tan (x), v, sqrt (eps ("single"))); |
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2033 |
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2034 %!error tan () |
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2035 %!error tan (1, 2) |
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2036 */ |
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2037 |
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2038 DEFUN (tanh, args, , |
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2040 @deftypefn {} {} tanh (@var{x}) |
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2041 Compute hyperbolic tangent for each element of @var{x}. |
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2042 @seealso{atanh, sinh, cosh} |
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2043 @end deftypefn */) |
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2044 { |
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2045 if (args.length () != 1) |
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2046 print_usage (); |
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4d3daf7e43f3
eliminate trailing whitespace in source files
John W. Eaton <jwe@octave.org>
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changeset
|
2047 |
20939
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
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|
2048 return ovl (args(0).tanh ()); |
7503
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convert mapper functions to new format
David Bateman <dbateman@free.fr>
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changeset
|
2049 } |
1562 | 2050 |
7815
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
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7814
diff
changeset
|
2051 /* |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
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changeset
|
2052 %!test |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
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changeset
|
2053 %! x = [0, pi*i]; |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
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|
2054 %! v = [0, 0]; |
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|
2055 %! assert (tanh (x), v, sqrt (eps)); |
7815
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
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changeset
|
2056 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
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changeset
|
2057 %!test |
13972
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|
2058 %! x = single ([0, pi*i]); |
09432c6f23e7
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|
2059 %! v = single ([0, 0]); |
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Update %!tests in src/ directory with Octave coding conventions.
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|
2060 %! assert (tanh (x), v, sqrt (eps ("single"))); |
7815
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Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
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|
2061 |
13972
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|
2062 %!error tanh () |
09432c6f23e7
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|
2063 %!error tanh (1, 2) |
7815
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Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
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|
2064 */ |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
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changeset
|
2065 |
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try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
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|
2066 DEFUNX ("toascii", Ftoascii, args, , |
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|
2067 doc: /* -*- texinfo -*- |
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move docstrings in C++ files out of C strings and into comments
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|
2068 @deftypefn {} {} toascii (@var{s}) |
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move docstrings in C++ files out of C strings and into comments
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|
2069 Return ASCII representation of @var{s} in a matrix. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
2070 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
2071 For example: |
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move docstrings in C++ files out of C strings and into comments
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|
2072 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
2073 @example |
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move docstrings in C++ files out of C strings and into comments
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|
2074 @group |
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|
2075 toascii ("ASCII") |
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move docstrings in C++ files out of C strings and into comments
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|
2076 @result{} [ 65, 83, 67, 73, 73 ] |
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move docstrings in C++ files out of C strings and into comments
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|
2077 @end group |
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|
2078 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
2079 @end example |
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|
2080 @seealso{char} |
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move docstrings in C++ files out of C strings and into comments
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|
2081 @end deftypefn */) |
7503
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David Bateman <dbateman@free.fr>
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|
2082 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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changeset
|
2083 if (args.length () != 1) |
12892
67bf9b30f3f9
Error when given non-string input to tolower, toupper, toascii (Bug #33537).
Rik <octave@nomad.inbox5.com>
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|
2084 print_usage (); |
20921
4d3daf7e43f3
eliminate trailing whitespace in source files
John W. Eaton <jwe@octave.org>
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|
2085 |
20939
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Rik <rik@octave.org>
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|
2086 return ovl (args(0).xtoascii ()); |
7503
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David Bateman <dbateman@free.fr>
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|
2087 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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|
2088 |
13140
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John W. Eaton <jwe@octave.org>
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|
2089 /* |
13972
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|
2090 %!assert (toascii (char (0:127)), 0:127) |
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|
2091 %!assert (toascii (" ":"@"), 32:64) |
09432c6f23e7
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Rik <octave@nomad.inbox5.com>
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|
2092 %!assert (toascii ("A":"Z"), 65:90) |
09432c6f23e7
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|
2093 %!assert (toascii ("[":"`"), 91:96) |
09432c6f23e7
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|
2094 %!assert (toascii ("a":"z"), 97:122) |
09432c6f23e7
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|
2095 %!assert (toascii ("{":"~"), 123:126) |
09432c6f23e7
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|
2096 |
09432c6f23e7
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|
2097 %!error toascii () |
09432c6f23e7
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|
2098 %!error toascii (1, 2) |
13140
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maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
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|
2099 */ |
98d23b0f16e1
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John W. Eaton <jwe@octave.org>
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|
2100 |
7528
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try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
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|
2101 DEFUNX ("tolower", Ftolower, args, , |
21966
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|
2102 doc: /* -*- texinfo -*- |
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move docstrings in C++ files out of C strings and into comments
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|
2103 @deftypefn {} {} tolower (@var{s}) |
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move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
2104 @deftypefnx {} {} lower (@var{s}) |
112b20240c87
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John W. Eaton <jwe@octave.org>
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|
2105 Return a copy of the string or cell string @var{s}, with each uppercase |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
2106 character replaced by the corresponding lowercase one; non-alphabetic |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
2107 characters are left unchanged. |
112b20240c87
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John W. Eaton <jwe@octave.org>
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|
2108 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21945
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changeset
|
2109 For example: |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
2110 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
2111 @example |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
2112 @group |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
2113 tolower ("MiXeD cAsE 123") |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
2114 @result{} "mixed case 123" |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
2115 @end group |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
2116 @end example |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
2117 @seealso{toupper} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
2118 @end deftypefn */) |
7503
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convert mapper functions to new format
David Bateman <dbateman@free.fr>
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|
2119 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20183
diff
changeset
|
2120 if (args.length () != 1) |
12892
67bf9b30f3f9
Error when given non-string input to tolower, toupper, toascii (Bug #33537).
Rik <octave@nomad.inbox5.com>
parents:
12683
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changeset
|
2121 print_usage (); |
20921
4d3daf7e43f3
eliminate trailing whitespace in source files
John W. Eaton <jwe@octave.org>
parents:
20853
diff
changeset
|
2122 |
20939
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20921
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|
2123 return ovl (args(0).xtolower ()); |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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7385
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|
2124 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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changeset
|
2125 |
8387
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
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|
2126 DEFALIAS (lower, tolower); |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
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|
2127 |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
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|
2128 /* |
14429
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Update %!tests in src/ directory with Octave coding conventions.
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|
2129 %!assert (tolower ("OCTAVE"), "octave") |
20955
77f5591878bf
maint: Use '! expr' rather than '!expr' to conform to coding guidelines.
Rik <rik@octave.org>
parents:
20939
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changeset
|
2130 %!assert (tolower ("123OCTave! _&"), "123octave! _&") |
14429
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Update %!tests in src/ directory with Octave coding conventions.
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|
2131 %!assert (tolower ({"ABC", "DEF", {"GHI", {"JKL"}}}), {"abc", "def", {"ghi", {"jkl"}}}) |
eff4a5933e28
Update %!tests in src/ directory with Octave coding conventions.
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|
2132 %!assert (tolower (["ABC"; "DEF"]), ["abc"; "def"]) |
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Update %!tests in src/ directory with Octave coding conventions.
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|
2133 %!assert (tolower ({["ABC"; "DEF"]}), {["abc";"def"]}) |
18196
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John W. Eaton <jwe@octave.org>
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17787
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|
2134 %!assert (tolower (68), 68) |
1b6db9303933
allow toupper and tolower to handle numeric values (bug #33537)
John W. Eaton <jwe@octave.org>
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17787
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|
2135 %!assert (tolower ({[68, 68; 68, 68]}), {[68, 68; 68, 68]}) |
1b6db9303933
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John W. Eaton <jwe@octave.org>
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|
2136 %!test |
1b6db9303933
allow toupper and tolower to handle numeric values (bug #33537)
John W. Eaton <jwe@octave.org>
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|
2137 %! classes = {@char, @double, @single, ... |
1b6db9303933
allow toupper and tolower to handle numeric values (bug #33537)
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|
2138 %! @int8, @int16, @int32, @int64, ... |
1b6db9303933
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John W. Eaton <jwe@octave.org>
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|
2139 %! @uint8, @uint16, @uint32, @uint64}; |
1b6db9303933
allow toupper and tolower to handle numeric values (bug #33537)
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changeset
|
2140 %! for i = 1:numel (classes) |
1b6db9303933
allow toupper and tolower to handle numeric values (bug #33537)
John W. Eaton <jwe@octave.org>
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|
2141 %! cls = classes{i}; |
1b6db9303933
allow toupper and tolower to handle numeric values (bug #33537)
John W. Eaton <jwe@octave.org>
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|
2142 %! assert (class (tolower (cls (97))), class (cls (97))); |
1b6db9303933
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|
2143 %! assert (class (tolower (cls ([98, 99]))), class (cls ([98, 99]))); |
1b6db9303933
allow toupper and tolower to handle numeric values (bug #33537)
John W. Eaton <jwe@octave.org>
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|
2144 %! endfor |
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Thorsten Meyer <thorsten.meyier@gmx.de>
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|
2145 %!test |
14429
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Update %!tests in src/ directory with Octave coding conventions.
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|
2146 %! a(3,3,3,3) = "D"; |
eff4a5933e28
Update %!tests in src/ directory with Octave coding conventions.
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|
2147 %! assert (tolower (a)(3,3,3,3), "d"); |
8387
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Thorsten Meyer <thorsten.meyier@gmx.de>
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|
2148 |
13140
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maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
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13093
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changeset
|
2149 %!test |
13964
12fa52c6e886
Use char() instead of deprecated setstr() in %!test code.
Rik <octave@nomad.inbox5.com>
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13929
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changeset
|
2150 %! charset = char (0:127); |
13140
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maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
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|
2151 %! result = charset; |
14429
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Update %!tests in src/ directory with Octave coding conventions.
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|
2152 %! result (toascii ("A":"Z") + 1) = result (toascii ("a":"z") + 1); |
eff4a5933e28
Update %!tests in src/ directory with Octave coding conventions.
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|
2153 %! assert (tolower (charset), result); |
13972
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|
2154 |
14429
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|
2155 %!error <Invalid call to tolower> lower () |
eff4a5933e28
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|
2156 %!error <Invalid call to tolower> tolower () |
13972
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|
2157 %!error tolower (1, 2) |
8387
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Thorsten Meyer <thorsten.meyier@gmx.de>
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|
2158 */ |
1567db1e166c
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Thorsten Meyer <thorsten.meyier@gmx.de>
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2159 |
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2160 DEFUNX ("toupper", Ftoupper, args, , |
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2161 doc: /* -*- texinfo -*- |
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2162 @deftypefn {} {} toupper (@var{s}) |
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2163 @deftypefnx {} {} upper (@var{s}) |
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2164 Return a copy of the string or cell string @var{s}, with each lowercase |
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2165 character replaced by the corresponding uppercase one; non-alphabetic |
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2166 characters are left unchanged. |
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2167 |
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2168 For example: |
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2169 |
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2170 @example |
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2171 @group |
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2172 toupper ("MiXeD cAsE 123") |
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2173 @result{} "MIXED CASE 123" |
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2174 @end group |
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2175 @end example |
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2176 @seealso{tolower} |
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2177 @end deftypefn */) |
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2178 { |
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2179 if (args.length () != 1) |
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2180 print_usage (); |
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2181 |
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2182 return ovl (args(0).xtoupper ()); |
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2183 } |
3321 | 2184 |
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2185 DEFALIAS (upper, toupper); |
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2186 |
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2187 /* |
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2188 %!assert (toupper ("octave"), "OCTAVE") |
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2189 %!assert (toupper ("123OCTave! _&"), "123OCTAVE! _&") |
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2190 %!assert (toupper ({"abc", "def", {"ghi", {"jkl"}}}), {"ABC", "DEF", {"GHI", {"JKL"}}}) |
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2191 %!assert (toupper (["abc"; "def"]), ["ABC"; "DEF"]) |
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2192 %!assert (toupper ({["abc"; "def"]}), {["ABC";"DEF"]}) |
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2193 %!assert (toupper (100), 100) |
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2194 %!assert (toupper ({[100, 100; 100, 100]}), {[100, 100; 100, 100]}) |
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2195 %!test |
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2196 %! classes = {@char, @double, @single, ... |
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2197 %! @int8, @int16, @int32, @int64, ... |
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2198 %! @uint8, @uint16, @uint32, @uint64}; |
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2199 %! for i = 1:numel (classes) |
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2200 %! cls = classes{i}; |
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2201 %! assert (class (toupper (cls (97))), class (cls (97))); |
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2202 %! assert (class (toupper (cls ([98, 99]))), class (cls ([98, 99]))); |
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2203 %! endfor |
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2204 %!test |
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2205 %! a(3,3,3,3) = "d"; |
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2206 %! assert (toupper (a)(3,3,3,3), "D"); |
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2207 %!test |
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2208 %! charset = char (0:127); |
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2209 %! result = charset; |
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2210 %! result (toascii ("a":"z") + 1) = result (toascii ("A":"Z") + 1); |
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2211 %! assert (toupper (charset), result); |
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2212 |
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2213 %!error <Invalid call to toupper> toupper () |
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2214 %!error <Invalid call to toupper> upper () |
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2215 %!error toupper (1, 2) |
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2216 */ |
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2217 |
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2218 DEFALIAS (gammaln, lgamma); |