Mercurial > octave-nkf
annotate src/mappers.cc @ 9154:761fc0d3d980
Update section 17.2 (Complex Arithmetic) of arith.txi
Use Tex in more of the doc strings for pretty printing in pdf format.
author | Rik <rdrider0-list@yahoo.com> |
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date | Fri, 24 Apr 2009 20:32:01 -0700 |
parents | 5247e89688e1 |
children | ad20b967e1c9 |
rev | line source |
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1 | 1 /* |
2 | |
7017 | 3 Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, |
8920 | 4 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 John W. Eaton |
1 | 5 |
6 This file is part of Octave. | |
7 | |
8 Octave is free software; you can redistribute it and/or modify it | |
9 under the terms of the GNU General Public License as published by the | |
7016 | 10 Free Software Foundation; either version 3 of the License, or (at your |
11 option) any later version. | |
1 | 12 |
13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 for more details. | |
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 | |
240 | 24 #ifdef HAVE_CONFIG_H |
1192 | 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, , |
3321 | 40 "-*- texinfo -*-\n\ |
41 @deftypefn {Mapping Function} {} abs (@var{z})\n\ | |
42 Compute the magnitude of @var{z}, defined as\n\ | |
43 @iftex\n\ | |
44 @tex\n\ | |
45 $|z| = \\sqrt{x^2 + y^2}$.\n\ | |
46 @end tex\n\ | |
47 @end iftex\n\ | |
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48 @ifnottex\n\ |
3321 | 49 |@var{z}| = @code{sqrt (x^2 + y^2)}.\n\ |
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50 @end ifnottex\n\ |
3321 | 51 \n\ |
52 For example,\n\ | |
53 \n\ | |
54 @example\n\ | |
55 @group\n\ | |
56 abs (3 + 4i)\n\ | |
57 @result{} 5\n\ | |
58 @end group\n\ | |
59 @end example\n\ | |
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60 @end deftypefn") |
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61 { |
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62 octave_value retval; |
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63 if (args.length () == 1) |
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64 retval = args(0).abs (); |
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65 else |
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66 print_usage (); |
529 | 67 |
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68 return retval; |
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69 } |
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70 |
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71 /* |
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72 |
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73 %!assert(abs (1), 1); |
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74 %!assert(abs (-3.5), 3.5); |
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75 %!assert(abs (3+4i), 5); |
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76 %!assert(abs (3-4i), 5); |
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77 %!assert(abs ([1.1, 3i; 3+4i, -3-4i]), [1.1, 3; 5, 5]); |
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78 |
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79 %!assert(abs (single(1)), single(1)); |
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80 %!assert(abs (single(-3.5)), single(3.5)); |
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81 %!assert(abs (single(3+4i)), single(5)); |
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82 %!assert(abs (single(3-4i)), single(5)); |
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83 %!assert(abs (single([1.1, 3i; 3+4i, -3-4i])), single([1.1, 3; 5, 5])); |
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84 |
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85 %!error abs (); |
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86 %!error abs (1, 2); |
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87 |
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88 */ |
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89 |
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90 DEFUN (acos, args, , |
3321 | 91 "-*- texinfo -*-\n\ |
3428 | 92 @deftypefn {Mapping Function} {} acos (@var{x})\n\ |
93 Compute the inverse cosine of each element of @var{x}.\n\ | |
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94 @end deftypefn") |
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95 { |
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96 octave_value retval; |
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97 if (args.length () == 1) |
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98 retval = args(0).acos (); |
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99 else |
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100 print_usage (); |
529 | 101 |
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102 return retval; |
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103 } |
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104 |
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105 /* |
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106 |
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107 %!test |
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108 %! rt2 = sqrt (2); |
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109 %! rt3 = sqrt (3); |
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110 %! v = [0, pi/6, pi/4, pi/3, pi/2, 2*pi/3, 3*pi/4, 5*pi/6, pi]; |
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111 %! x = [1, rt3/2, rt2/2, 1/2, 0, -1/2, -rt2/2, -rt3/2, -1]; |
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112 %! assert(acos (x), v, sqrt(eps)); |
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113 |
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114 %!test |
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115 %! rt2 = sqrt (2); |
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116 %! rt3 = sqrt (3); |
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117 %! v = single ([0, pi/6, pi/4, pi/3, pi/2, 2*pi/3, 3*pi/4, 5*pi/6, pi]); |
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118 %! x = single ([1, rt3/2, rt2/2, 1/2, 0, -1/2, -rt2/2, -rt3/2, -1]); |
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119 %! assert(acos (x), v, sqrt(eps('single'))); |
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120 |
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121 %!error acos (); |
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122 %!error acos (1, 2); |
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123 |
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124 */ |
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125 |
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126 DEFUN (acosh, args, , |
3321 | 127 "-*- texinfo -*-\n\ |
3428 | 128 @deftypefn {Mapping Function} {} acosh (@var{x})\n\ |
129 Compute the inverse hyperbolic cosine of each element of @var{x}.\n\ | |
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130 @end deftypefn") |
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131 { |
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132 octave_value retval; |
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133 if (args.length () == 1) |
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134 retval = args(0).acosh (); |
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135 else |
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136 print_usage (); |
529 | 137 |
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138 return retval; |
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139 } |
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140 |
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141 /* |
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142 |
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143 %!test |
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144 %! v = [0, pi/2*i, pi*i, pi/2*i]; |
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145 %! x = [1, 0, -1, 0]; |
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146 %! assert(acosh (x), v, sqrt(eps)); |
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147 |
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148 %!test |
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149 %! v = single([0, pi/2*i, pi*i, pi/2*i]); |
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150 %! x = single([1, 0, -1, 0]); |
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151 %! assert(acosh (x), v, sqrt (eps('single'))); |
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152 |
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153 %!error acosh (); |
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154 %!error acosh (1, 2); |
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155 |
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156 */ |
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157 |
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158 DEFUN (angle, args, , |
3458 | 159 "-*- texinfo -*-\n\ |
160 @deftypefn {Mapping Function} {} angle (@var{z})\n\ | |
161 See arg.\n\ | |
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162 @end deftypefn") |
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163 { |
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164 octave_value retval; |
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165 if (args.length () == 1) |
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166 retval = args(0).arg (); |
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167 else |
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168 print_usage (); |
529 | 169 |
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170 return retval; |
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171 } |
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172 |
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173 DEFUN (arg, args, , |
3321 | 174 "-*- texinfo -*-\n\ |
3446 | 175 @deftypefn {Mapping Function} {} arg (@var{z})\n\ |
3458 | 176 @deftypefnx {Mapping Function} {} angle (@var{z})\n\ |
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177 Compute the argument of @var{z}, defined as,\n\ |
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178 @iftex\n\ |
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179 @tex\n\ |
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180 $\\theta = atan2 (y, x),$\n\ |
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181 @end tex\n\ |
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182 @end iftex\n\ |
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183 @ifnottex\n\ |
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184 @var{theta} = @code{atan2 (@var{y}, @var{x})},\n\ |
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185 @end ifnottex\n\ |
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186 in radians.\n\ |
3321 | 187 \n\ |
188 For example,\n\ | |
189 \n\ | |
190 @example\n\ | |
191 @group\n\ | |
192 arg (3 + 4i)\n\ | |
193 @result{} 0.92730\n\ | |
194 @end group\n\ | |
195 @end example\n\ | |
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196 @end deftypefn") |
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197 { |
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198 octave_value retval; |
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199 if (args.length () == 1) |
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200 retval = args(0).arg (); |
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201 else |
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202 print_usage (); |
529 | 203 |
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204 return retval; |
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205 } |
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206 |
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207 /* |
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208 |
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209 %!assert(arg (1), 0); |
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210 %!assert(arg (i), pi/2); |
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211 %!assert(arg (-1), pi); |
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212 %!assert(arg (-i), -pi/2); |
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213 %!assert(arg ([1, i; -1, -i]), [0, pi/2; pi, -pi/2]); |
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214 |
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215 %!assert(arg (single(1)), single(0)); |
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216 %!assert(arg (single(i)), single(pi/2)); |
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217 %!assert(arg (single(-1)), single(pi)); |
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218 %!assert(arg (single(-i)), single(-pi/2)); |
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219 %!assert(arg (single([1, i; -1, -i])), single([0, pi/2; pi, -pi/2]), 2e1*eps('single')); |
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220 |
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221 %!error arg (); |
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222 %!error arg (1, 2); |
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223 |
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224 */ |
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225 |
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226 DEFUN (asin, args, , |
3321 | 227 "-*- texinfo -*-\n\ |
3428 | 228 @deftypefn {Mapping Function} {} asin (@var{x})\n\ |
229 Compute the inverse sine of each element of @var{x}.\n\ | |
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230 @end deftypefn") |
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231 { |
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232 octave_value retval; |
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233 if (args.length () == 1) |
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234 retval = args(0).asin (); |
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235 else |
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236 print_usage (); |
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237 |
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238 return retval; |
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239 } |
529 | 240 |
7385 | 241 /* |
242 %!test | |
243 %! rt2 = sqrt (2); | |
244 %! rt3 = sqrt (3); | |
245 %! v = [0, pi/6, pi/4, pi/3, pi/2, pi/3, pi/4, pi/6, 0]; | |
246 %! x = [0, 1/2, rt2/2, rt3/2, 1, rt3/2, rt2/2, 1/2, 0]; | |
247 %! assert(all (abs (asin (x) - v) < sqrt (eps))); | |
248 %!error asin (); | |
249 %!error asin (1, 2); | |
250 */ | |
251 | |
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252 DEFUN (asinh, args, , |
3321 | 253 "-*- texinfo -*-\n\ |
3428 | 254 @deftypefn {Mapping Function} {} asinh (@var{x})\n\ |
5016 | 255 Compute the inverse hyperbolic sine of each element of @var{x}.\n\ |
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256 @end deftypefn") |
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257 { |
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258 octave_value retval; |
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259 if (args.length () == 1) |
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260 retval = args(0).asinh (); |
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261 else |
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262 print_usage (); |
529 | 263 |
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264 return retval; |
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265 } |
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266 |
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267 /* |
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268 |
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269 %!test |
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270 %! v = [0, pi/2*i, 0, -pi/2*i]; |
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271 %! x = [0, i, 0, -i]; |
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272 %! assert(asinh (x), v, sqrt (eps)); |
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273 |
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274 %!test |
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275 %! v = single([0, pi/2*i, 0, -pi/2*i]); |
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276 %! x = single([0, i, 0, -i]); |
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277 %! assert(asinh (x), v, sqrt (eps('single'))); |
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278 |
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279 %!error asinh (); |
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280 %!error asinh (1, 2); |
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281 |
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282 */ |
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283 |
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284 DEFUN (atan, args, , |
3321 | 285 "-*- texinfo -*-\n\ |
3428 | 286 @deftypefn {Mapping Function} {} atan (@var{x})\n\ |
287 Compute the inverse tangent of each element of @var{x}.\n\ | |
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288 @end deftypefn") |
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289 { |
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290 octave_value retval; |
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291 if (args.length () == 1) |
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292 retval = args(0).atan (); |
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293 else |
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294 print_usage (); |
529 | 295 |
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296 return retval; |
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297 } |
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298 |
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299 /* |
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300 |
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301 %!test |
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302 %! rt2 = sqrt (2); |
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303 %! rt3 = sqrt (3); |
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304 %! v = [0, pi/6, pi/4, pi/3, -pi/3, -pi/4, -pi/6, 0]; |
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305 %! x = [0, rt3/3, 1, rt3, -rt3, -1, -rt3/3, 0]; |
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306 %! assert(atan (x), v, sqrt (eps)); |
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307 |
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308 %!test |
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309 %! rt2 = sqrt (2); |
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310 %! rt3 = sqrt (3); |
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311 %! v = single([0, pi/6, pi/4, pi/3, -pi/3, -pi/4, -pi/6, 0]); |
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312 %! x = single([0, rt3/3, 1, rt3, -rt3, -1, -rt3/3, 0]); |
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313 %! assert(atan (x), v, sqrt (eps('single'))); |
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314 |
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315 %!error atan (); |
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316 %!error atan (1, 2); |
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317 |
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318 */ |
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319 |
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320 DEFUN (atanh, args, , |
3321 | 321 "-*- texinfo -*-\n\ |
3428 | 322 @deftypefn {Mapping Function} {} atanh (@var{x})\n\ |
5016 | 323 Compute the inverse hyperbolic tangent of each element of @var{x}.\n\ |
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324 @end deftypefn") |
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325 { |
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326 octave_value retval; |
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327 if (args.length () == 1) |
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328 retval = args(0).atanh (); |
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329 else |
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330 print_usage (); |
529 | 331 |
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332 return retval; |
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333 } |
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334 |
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335 /* |
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336 |
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337 %!test |
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338 %! v = [0, 0]; |
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339 %! x = [0, 0]; |
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340 %! assert(atanh (x), v, sqrt (eps)); |
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341 |
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342 %!test |
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343 %! v = single([0, 0]); |
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344 %! x = single([0, 0]); |
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345 %! assert(atanh (x), v, sqrt (eps('single'))); |
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346 |
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347 %!error atanh (); |
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348 %!error atanh (1, 2); |
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349 |
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350 */ |
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351 |
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352 DEFUN (ceil, args, , |
3321 | 353 "-*- texinfo -*-\n\ |
3373 | 354 @deftypefn {Mapping Function} {} ceil (@var{x})\n\ |
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355 Return the smallest integer not less than @var{x}. This is equivalent to\n\ |
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356 rounding towards positive infinity. If @var{x} is\n\ |
3321 | 357 complex, return @code{ceil (real (@var{x})) + ceil (imag (@var{x})) * I}.\n\ |
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358 @example\n\ |
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359 @group\n\ |
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360 ceil ([-2.7, 2.7])\n\ |
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361 @result{} -2 3\n\ |
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362 @end group\n\ |
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363 @end example\n\ |
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364 @seealso{floor, round, fix}\n\ |
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365 @end deftypefn") |
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366 { |
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367 octave_value retval; |
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368 if (args.length () == 1) |
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369 retval = args(0).ceil (); |
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370 else |
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371 print_usage (); |
529 | 372 |
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373 return retval; |
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374 } |
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375 |
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376 /* |
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377 |
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378 %% double precision |
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379 %!assert(ceil ([2, 1.1, -1.1, -1]), [2, 2, -1, -1]); |
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380 |
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381 %% compelx double precison |
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382 %!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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383 |
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384 %% single precision |
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385 %!assert(ceil (single([2, 1.1, -1.1, -1])), single([2, 2, -1, -1])); |
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386 |
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387 %% compelx single preci |
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388 %!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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389 |
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390 %!error ceil (); |
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391 %!error ceil (1, 2); |
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392 |
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393 */ |
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394 |
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395 DEFUN (conj, args, , |
3381 | 396 "-*- texinfo -*-\n\ |
3321 | 397 @deftypefn {Mapping Function} {} conj (@var{z})\n\ |
398 Return the complex conjugate of @var{z}, defined as\n\ | |
399 @iftex\n\ | |
400 @tex\n\ | |
401 $\\bar{z} = x - iy$.\n\ | |
402 @end tex\n\ | |
403 @end iftex\n\ | |
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404 @ifnottex\n\ |
3321 | 405 @code{conj (@var{z})} = @var{x} - @var{i}@var{y}.\n\ |
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406 @end ifnottex\n\ |
5642 | 407 @seealso{real, imag}\n\ |
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408 @end deftypefn") |
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409 { |
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410 octave_value retval; |
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411 if (args.length () == 1) |
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412 retval = args(0).conj (); |
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413 else |
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414 print_usage (); |
529 | 415 |
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416 return retval; |
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417 } |
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418 |
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419 /* |
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420 |
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421 %!assert(conj (1), 1); |
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422 %!assert(conj (i), -i) |
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423 %!assert(conj (1+i), 1-i) |
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424 %!assert(conj (1-i), 1+i) |
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425 %!assert(conj ([-1, -i; -1+i, -1-i]), [-1, i; -1-i, -1+i]); |
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426 |
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427 %!assert(conj (single(1)), single(1)); |
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428 %!assert(conj (single(i)), single(-i)) |
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429 %!assert(conj (single(1+i)), single(1-i)) |
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430 %!assert(conj (single(1-i)), single(1+i)) |
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431 %!assert(conj (single([-1, -i; -1+i, -1-i])), single([-1, i; -1-i, -1+i])); |
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432 |
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433 %!error conj (); |
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434 %!error conj (1, 2); |
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435 |
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436 */ |
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437 |
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438 DEFUN (cos, args, , |
3321 | 439 "-*- texinfo -*-\n\ |
3428 | 440 @deftypefn {Mapping Function} {} cos (@var{x})\n\ |
441 Compute the cosine of each element of @var{x}.\n\ | |
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442 @end deftypefn") |
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443 { |
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444 octave_value retval; |
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445 if (args.length () == 1) |
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446 retval = args(0).cos (); |
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447 else |
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448 print_usage (); |
529 | 449 |
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450 return retval; |
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451 } |
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452 |
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453 /* |
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454 |
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455 %!test |
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456 %! rt2 = sqrt (2); |
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457 %! rt3 = sqrt (3); |
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458 %! x = [0, pi/6, pi/4, pi/3, pi/2, 2*pi/3, 3*pi/4, 5*pi/6, pi]; |
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459 %! v = [1, rt3/2, rt2/2, 1/2, 0, -1/2, -rt2/2, -rt3/2, -1]; |
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460 %! assert(cos (x), v, sqrt (eps)); |
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461 |
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462 %!test |
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463 %! rt2 = sqrt (2); |
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464 %! rt3 = sqrt (3); |
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465 %! 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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466 %! v = single([1, rt3/2, rt2/2, 1/2, 0, -1/2, -rt2/2, -rt3/2, -1]); |
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467 %! assert(cos (x), v, sqrt (eps('single'))); |
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468 |
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469 %!error cos (); |
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470 %!error cos (1, 2); |
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471 |
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472 */ |
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473 |
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474 DEFUN (cosh, args, , |
3321 | 475 "-*- texinfo -*-\n\ |
3428 | 476 @deftypefn {Mapping Function} {} cosh (@var{x})\n\ |
477 Compute the hyperbolic cosine of each element of @var{x}.\n\ | |
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478 @end deftypefn") |
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479 { |
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480 octave_value retval; |
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481 if (args.length () == 1) |
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482 retval = args(0).cosh (); |
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483 else |
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484 print_usage (); |
529 | 485 |
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486 return retval; |
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487 } |
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488 |
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489 /* |
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490 |
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491 %!test |
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492 %! x = [0, pi/2*i, pi*i, 3*pi/2*i]; |
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493 %! v = [1, 0, -1, 0]; |
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494 %! assert(cosh (x), v, sqrt (eps)); |
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495 |
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496 %!test |
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497 %! x = single([0, pi/2*i, pi*i, 3*pi/2*i]); |
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498 %! v = single([1, 0, -1, 0]); |
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499 %! assert(cosh (x), v, sqrt (eps ('single'))); |
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500 |
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501 %!error cosh (); |
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502 %!error cosh (1, 2); |
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503 |
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504 */ |
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505 |
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506 DEFUN (erf, args, , |
3321 | 507 "-*- texinfo -*-\n\ |
508 @deftypefn {Mapping Function} {} erf (@var{z})\n\ | |
509 Computes the error function,\n\ | |
510 @iftex\n\ | |
511 @tex\n\ | |
512 $$\n\ | |
513 {\\rm erf} (z) = {2 \\over \\sqrt{\\pi}}\\int_0^z e^{-t^2} dt\n\ | |
514 $$\n\ | |
515 @end tex\n\ | |
516 @end iftex\n\ | |
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517 @ifnottex\n\ |
3321 | 518 \n\ |
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519 @example\n\ |
3321 | 520 z\n\ |
521 /\n\ | |
522 erf (z) = (2/sqrt (pi)) | e^(-t^2) dt\n\ | |
523 /\n\ | |
524 t=0\n\ | |
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525 @end example\n\ |
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526 @end ifnottex\n\ |
5642 | 527 @seealso{erfc, erfinv}\n\ |
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528 @end deftypefn") |
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529 { |
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530 octave_value retval; |
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531 if (args.length () == 1) |
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532 retval = args(0).erf (); |
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533 else |
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534 print_usage (); |
624 | 535 |
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536 return retval; |
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537 } |
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538 |
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539 /* |
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540 |
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541 %!test |
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542 %! a = -1i*sqrt(-1/(6.4187*6.4187)); |
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543 %! assert (erf(a), erf(real(a))); |
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544 |
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545 %!test |
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546 %! x=[0,.5,1]; |
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547 %! v=[0, .520499877813047, .842700792949715]; |
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548 %! assert(all(abs(erf(x)-v)<1.e-10) && all(abs(erf(-x)+v)<1.e-10) && all(abs(erfc(x)+v-1)<1.e-10) && all(abs(erfinv(v)-x)<1.e-10)); |
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549 |
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550 %!test |
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551 %! a = -1i*sqrt(single (-1/(6.4187*6.4187))); |
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552 %! assert (erf(a), erf(real(a))); |
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553 |
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554 %!test |
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555 %! x=single ([0,.5,1]); |
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556 %! v=single ([0, .520499877813047, .842700792949715]); |
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557 %! assert(all(abs(erf(x)-v)<1.e-6) && all(abs(erf(-x)+v)<1.e-6) && all(abs(erfc(x)+v-1)<1.e-6) && all(abs(erfinv(v)-x)<1.e-6)); |
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558 |
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559 %% test/octave.test/arith/erf-2.m |
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560 %!error erf(); |
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561 |
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562 %% test/octave.test/arith/erf-3.m |
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563 %!error erf(1,2); |
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564 |
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565 |
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566 |
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567 */ |
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568 |
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569 DEFUN (erfc, args, , |
3321 | 570 "-*- texinfo -*-\n\ |
571 @deftypefn {Mapping Function} {} erfc (@var{z})\n\ | |
572 Computes the complementary error function,\n\ | |
573 @iftex\n\ | |
574 @tex\n\ | |
575 $1 - {\\rm erf} (z)$.\n\ | |
576 @end tex\n\ | |
577 @end iftex\n\ | |
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578 @ifnottex\n\ |
3321 | 579 @code{1 - erf (@var{z})}.\n\ |
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580 @end ifnottex\n\ |
5642 | 581 @seealso{erf, erfinv}\n\ |
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582 @end deftypefn") |
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583 { |
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584 octave_value retval; |
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585 if (args.length () == 1) |
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586 retval = args(0).erfc (); |
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587 else |
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588 print_usage (); |
624 | 589 |
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590 return retval; |
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591 } |
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592 |
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593 /* |
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594 |
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595 %!test |
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596 %! a = -1i*sqrt(-1/(6.4187*6.4187)); |
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597 %! assert (erfc(a), erfc(real(a))); |
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598 |
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599 */ |
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600 |
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601 DEFUN (exp, args, , |
3321 | 602 "-*- texinfo -*-\n\ |
3373 | 603 @deftypefn {Mapping Function} {} exp (@var{x})\n\ |
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604 Compute\n\ |
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605 @iftex\n\ |
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606 @tex\n\ |
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607 $e^{x}$\n\ |
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608 @end tex\n\ |
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609 @end iftex\n\ |
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610 @ifnottex\n\ |
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611 @code{e^x}\n\ |
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612 @end ifnottex\n\ |
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613 for each element of @var{x}. To compute the matrix\n\ |
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614 exponential, see @ref{Linear Algebra}.\n\ |
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615 @seealso{log}\n\ |
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|
616 @end deftypefn") |
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|
617 { |
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|
618 octave_value retval; |
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|
619 if (args.length () == 1) |
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620 retval = args(0).exp (); |
8c32f95c2639
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|
621 else |
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622 print_usage (); |
529 | 623 |
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624 return retval; |
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|
625 } |
8c32f95c2639
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|
626 |
7815
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|
627 /* |
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|
628 |
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629 %!assert(exp ([0, 1, -1, -1000]), [1, e, 1/e, 0], sqrt (eps)); |
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630 %!assert(exp (1+i), e * (cos (1) + sin (1) * i), sqrt (eps)); |
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631 %!assert(exp (single([0, 1, -1, -1000])), single([1, e, 1/e, 0]), sqrt (eps('single'))); |
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632 %!assert(exp (single(1+i)), single (e * (cos (1) + sin (1) * i)), sqrt (eps('single'))); |
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633 |
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|
634 %!error exp (); |
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635 %!error exp (1, 2); |
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|
636 |
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637 %!assert(exp (Inf) == Inf && exp (-Inf) == 0 && isnan (exp (NaN))); |
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638 %!assert(exp (Inf ('single')) == Inf('single') && exp (-Inf('single')) == 0 && isnan (exp (NaN('single')))); |
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Add some single precision test code and fix resulting bugs
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|
639 |
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changeset
|
640 */ |
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|
641 |
7638
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implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
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7636
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|
642 DEFUN (expm1, args, , |
2df457529cfa
implement expm1 and log1p functions
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|
643 "-*- texinfo -*-\n\ |
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implement expm1 and log1p functions
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|
644 @deftypefn {Mapping Function} {} expm1 (@var{x})\n\ |
9141
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Update section 17.1 (Utility Functions) of arith.txi
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645 Compute \n\ |
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Update section 17.1 (Utility Functions) of arith.txi
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646 @iftex\n\ |
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Update section 17.1 (Utility Functions) of arith.txi
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647 @tex\n\ |
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Update section 17.1 (Utility Functions) of arith.txi
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648 $ e^{x} - 1 $\n\ |
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Update section 17.1 (Utility Functions) of arith.txi
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649 @end tex\n\ |
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Update section 17.1 (Utility Functions) of arith.txi
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650 @end iftex\n\ |
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|
651 @ifnottex\n\ |
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652 @code{exp (@var{x}) - 1}\n\ |
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Update section 17.1 (Utility Functions) of arith.txi
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|
653 @end ifnottex\n\ |
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|
654 accurately in the neighborhood of zero.\n\ |
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Update section 17.1 (Utility Functions) of arith.txi
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|
655 @seealso{exp}\n\ |
7638
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|
656 @end deftypefn") |
2df457529cfa
implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
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|
657 { |
2df457529cfa
implement expm1 and log1p functions
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changeset
|
658 octave_value retval; |
2df457529cfa
implement expm1 and log1p functions
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|
659 if (args.length () == 1) |
2df457529cfa
implement expm1 and log1p functions
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changeset
|
660 retval = args(0).expm1 (); |
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implement expm1 and log1p functions
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7636
diff
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|
661 else |
2df457529cfa
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Jaroslav Hajek <highegg@gmail.com>
parents:
7636
diff
changeset
|
662 print_usage (); |
2df457529cfa
implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents:
7636
diff
changeset
|
663 |
2df457529cfa
implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
664 return retval; |
2df457529cfa
implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents:
7636
diff
changeset
|
665 } |
2df457529cfa
implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents:
7636
diff
changeset
|
666 |
7503
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convert mapper functions to new format
David Bateman <dbateman@free.fr>
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|
667 DEFUN (finite, args, , |
3369 | 668 "-*- texinfo -*-\n\ |
669 @deftypefn {Mapping Function} {} finite (@var{x})\n\ | |
3600 | 670 Return 1 for elements of @var{x} that are finite values and zero\n\ |
9041
853f96e8008f
Cleanup documentation file matrix.texi
Rik <rdrider0-list@yahoo.com>
parents:
8920
diff
changeset
|
671 otherwise. For example,\n\ |
3369 | 672 \n\ |
673 @example\n\ | |
674 @group\n\ | |
5016 | 675 finite ([13, Inf, NA, NaN])\n\ |
676 @result{} [ 1, 0, 0, 0 ]\n\ | |
3369 | 677 @end group\n\ |
678 @end example\n\ | |
7503
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diff
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|
679 @end deftypefn") |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
680 { |
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David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
681 octave_value retval; |
8c32f95c2639
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David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
682 if (args.length () == 1) |
8c32f95c2639
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David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
683 retval = args(0).finite (); |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
684 else |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
685 print_usage (); |
529 | 686 |
7503
8c32f95c2639
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David Bateman <dbateman@free.fr>
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7385
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changeset
|
687 return retval; |
8c32f95c2639
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David Bateman <dbateman@free.fr>
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diff
changeset
|
688 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
689 |
7814
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
690 /* |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
691 |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
692 %!assert(!(finite (Inf))); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
693 %!assert(!(finite (NaN))); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
694 %!assert(finite (rand(1,10))); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
695 |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
696 %!assert(!(finite (single(Inf)))); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
697 %!assert(!(finite (single(NaN)))); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
698 %!assert(finite (single(rand(1,10)))); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
699 |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
700 */ |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
701 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
702 DEFUN (fix, args, , |
3321 | 703 "-*- texinfo -*-\n\ |
3373 | 704 @deftypefn {Mapping Function} {} fix (@var{x})\n\ |
9141
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Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
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diff
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|
705 Truncate fractional portion of @var{x} and return integer portion. This\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
706 is equivalent to rounding towards zero. If @var{x} is complex, return\n\ |
3321 | 707 @code{fix (real (@var{x})) + fix (imag (@var{x})) * I}.\n\ |
9141
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
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diff
changeset
|
708 @example\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
709 @group\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
710 fix ([-2.7, 2.7])\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
711 @result{} -2 2\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
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parents:
9065
diff
changeset
|
712 @end group\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
713 @end example\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
714 @seealso{ceil, floor, round}\n\ |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
715 @end deftypefn") |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
716 { |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
717 octave_value retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
718 if (args.length () == 1) |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
719 retval = args(0).fix (); |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
720 else |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
721 print_usage (); |
529 | 722 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
723 return retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
724 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
725 |
7815
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
726 /* |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
727 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
728 %!assert(fix ([1.1, 1, -1.1, -1]), [1, 1, -1, -1]); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
729 %!assert(fix ([1.1+1.1i, 1+i, -1.1-1.1i, -1-i]), [1+i, 1+i, -1-i, -1-i]); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
730 %!assert(fix (single([1.1, 1, -1.1, -1])), single([1, 1, -1, -1])); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
731 %!assert(fix (single([1.1+1.1i, 1+i, -1.1-1.1i, -1-i])), single([1+i, 1+i, -1-i, -1-i])); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
732 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
733 %!error fix (); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
734 %!error fix (1, 2); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
735 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
736 */ |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
737 |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
738 DEFUN (floor, args, , |
3321 | 739 "-*- texinfo -*-\n\ |
3373 | 740 @deftypefn {Mapping Function} {} floor (@var{x})\n\ |
9141
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Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
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changeset
|
741 Return the largest integer not greater than @var{x}. This is equivalent to\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
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diff
changeset
|
742 rounding towards negative infinity. If @var{x} is\n\ |
3321 | 743 complex, return @code{floor (real (@var{x})) + floor (imag (@var{x})) * I}.\n\ |
9141
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
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diff
changeset
|
744 @example\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
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diff
changeset
|
745 @group\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
746 floor ([-2.7, 2.7])\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
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diff
changeset
|
747 @result{} -3 2\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
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diff
changeset
|
748 @end group\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
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9065
diff
changeset
|
749 @end example\n\ |
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Update section 17.1 (Utility Functions) of arith.txi
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|
750 @seealso{ceil, round, fix}\n\ |
7503
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|
751 @end deftypefn") |
8c32f95c2639
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|
752 { |
8c32f95c2639
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diff
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|
753 octave_value retval; |
8c32f95c2639
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David Bateman <dbateman@free.fr>
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diff
changeset
|
754 if (args.length () == 1) |
8c32f95c2639
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David Bateman <dbateman@free.fr>
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diff
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|
755 retval = args(0).floor (); |
8c32f95c2639
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diff
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|
756 else |
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|
757 print_usage (); |
529 | 758 |
7503
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|
759 return retval; |
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|
760 } |
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|
761 |
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|
762 /* |
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|
763 |
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|
764 %!assert(floor ([2, 1.1, -1.1, -1]), [2, 1, -2, -1]); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
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|
765 %!assert(floor ([2+2i, 1.1+1.1i, -1.1-1.1i, -1-i]), [2+2i, 1+i, -2-2i, -1-i]); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
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766 %!assert(floor (single ([2, 1.1, -1.1, -1])), single ([2, 1, -2, -1])); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
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|
767 %!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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|
768 |
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|
769 %!error floor (); |
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|
770 %!error floor (1, 2); |
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changeset
|
771 |
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|
772 */ |
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|
773 |
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|
774 DEFUN (gamma, args, , |
3321 | 775 "-*- texinfo -*-\n\ |
776 @deftypefn {Mapping Function} {} gamma (@var{z})\n\ | |
777 Computes the Gamma function,\n\ | |
778 @iftex\n\ | |
779 @tex\n\ | |
780 $$\n\ | |
781 \\Gamma (z) = \\int_0^\\infty t^{z-1} e^{-t} dt.\n\ | |
782 $$\n\ | |
783 @end tex\n\ | |
784 @end iftex\n\ | |
8517
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Allow documentation tobe built for other formats than tex and info
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|
785 @ifnottex\n\ |
3321 | 786 \n\ |
787 @example\n\ | |
9064
7c02ec148a3c
Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents:
9041
diff
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|
788 @group\n\ |
3321 | 789 infinity\n\ |
790 /\n\ | |
791 gamma (z) = | t^(z-1) exp (-t) dt.\n\ | |
792 /\n\ | |
793 t=0\n\ | |
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Check grammar on all .cc files
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|
794 @end group\n\ |
3321 | 795 @end example\n\ |
8517
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Allow documentation tobe built for other formats than tex and info
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|
796 @end ifnottex\n\ |
8286
6f2d95255911
fix @seealso references to point to existing anchors
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8084
diff
changeset
|
797 @seealso{gammainc, lgamma}\n\ |
7503
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|
798 @end deftypefn") |
8c32f95c2639
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|
799 { |
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|
800 octave_value retval; |
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|
801 if (args.length () == 1) |
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|
802 retval = args(0).gamma (); |
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|
803 else |
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|
804 print_usage (); |
624 | 805 |
7503
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|
806 return retval; |
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|
807 } |
8c32f95c2639
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diff
changeset
|
808 |
7667
fb3a6c53c2b2
Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
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|
809 /* |
fb3a6c53c2b2
Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
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|
810 |
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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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|
811 %!test |
fb3a6c53c2b2
Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
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812 %! a = -1i*sqrt(-1/(6.4187*6.4187)); |
fb3a6c53c2b2
Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
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|
813 %! assert (gamma(a), gamma(real(a))); |
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|
814 |
7815
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|
815 %!test |
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|
816 %! x = [.5, 1, 1.5, 2, 3, 4, 5]; |
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817 %! v = [sqrt(pi), 1, .5*sqrt(pi), 1, 2, 6, 24]; |
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818 %! assert(gamma(x), v, sqrt(eps)) |
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819 |
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|
820 %!test |
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|
821 %! a = single(-1i*sqrt(-1/(6.4187*6.4187))); |
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|
822 %! assert (gamma(a), gamma(real(a))); |
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|
823 |
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|
824 %!test |
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|
825 %! x = single([.5, 1, 1.5, 2, 3, 4, 5]); |
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Add some single precision test code and fix resulting bugs
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826 %! v = single([sqrt(pi), 1, .5*sqrt(pi), 1, 2, 6, 24]); |
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|
827 %! assert(gamma(x), v, sqrt(eps('single'))) |
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|
828 |
a41df65f3f00
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changeset
|
829 %!error gamma(); |
a41df65f3f00
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|
830 %!error gamma(1,2); |
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Add some single precision test code and fix resulting bugs
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changeset
|
831 |
7667
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diff
changeset
|
832 */ |
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diff
changeset
|
833 |
7503
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diff
changeset
|
834 DEFUN (imag, args, , |
3321 | 835 "-*- texinfo -*-\n\ |
836 @deftypefn {Mapping Function} {} imag (@var{z})\n\ | |
837 Return the imaginary part of @var{z} as a real number.\n\ | |
5642 | 838 @seealso{real, conj}\n\ |
7503
8c32f95c2639
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diff
changeset
|
839 @end deftypefn") |
8c32f95c2639
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diff
changeset
|
840 { |
8c32f95c2639
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diff
changeset
|
841 octave_value retval; |
8c32f95c2639
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David Bateman <dbateman@free.fr>
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diff
changeset
|
842 if (args.length () == 1) |
8c32f95c2639
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David Bateman <dbateman@free.fr>
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7385
diff
changeset
|
843 retval = args(0).imag (); |
8c32f95c2639
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diff
changeset
|
844 else |
8c32f95c2639
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David Bateman <dbateman@free.fr>
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diff
changeset
|
845 print_usage (); |
2089 | 846 |
7503
8c32f95c2639
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diff
changeset
|
847 return retval; |
8c32f95c2639
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diff
changeset
|
848 } |
8c32f95c2639
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changeset
|
849 |
7815
a41df65f3f00
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changeset
|
850 /* |
a41df65f3f00
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changeset
|
851 |
a41df65f3f00
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|
852 %!assert(imag (1), 0); |
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|
853 %!assert(imag (i), 1); |
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|
854 %!assert(imag (1+i), 1); |
8459
d17874a6f161
improve indexing of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
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diff
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|
855 %!assert(imag ([i, 1; 1, i]), full (eye (2))); |
7815
a41df65f3f00
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changeset
|
856 |
a41df65f3f00
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changeset
|
857 %!assert(imag (single(1)), single(0)); |
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|
858 %!assert(imag (single(i)), single(1)); |
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|
859 %!assert(imag (single(1+i)), single(1)); |
8459
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improve indexing of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
860 %!assert(imag (single([i, 1; 1, i])), full (eye (2,'single'))); |
7815
a41df65f3f00
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changeset
|
861 |
a41df65f3f00
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changeset
|
862 %!error imag (); |
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|
863 %!error imag (1, 2); |
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changeset
|
864 |
a41df65f3f00
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changeset
|
865 */ |
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changeset
|
866 |
7528
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try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
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7503
diff
changeset
|
867 DEFUNX ("isalnum", Fisalnum, args, , |
3361 | 868 "-*- texinfo -*-\n\ |
869 @deftypefn {Mapping Function} {} isalnum (@var{s})\n\ | |
870 Return 1 for characters that are letters or digits (@code{isalpha\n\ | |
4165 | 871 (@var{s})} or @code{isdigit (@var{s})} is true).\n\ |
7503
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changeset
|
872 @end deftypefn") |
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7385
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changeset
|
873 { |
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changeset
|
874 octave_value retval; |
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changeset
|
875 if (args.length () == 1) |
7528
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changeset
|
876 retval = args(0).xisalnum (); |
7503
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changeset
|
877 else |
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changeset
|
878 print_usage (); |
2089 | 879 |
7503
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changeset
|
880 return retval; |
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diff
changeset
|
881 } |
8c32f95c2639
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diff
changeset
|
882 |
7528
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try to avoid ctype macro problems
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changeset
|
883 DEFUNX ("isalpha", Fisalpha, args, , |
3361 | 884 "-*- texinfo -*-\n\ |
885 @deftypefn {Mapping Function} {} isalpha (@var{s})\n\ | |
4168 | 886 @deftypefnx {Mapping Function} {} isletter (@var{s})\n\ |
4165 | 887 Return true for characters that are letters (@code{isupper (@var{s})}\n\ |
888 or @code{islower (@var{s})} is true).\n\ | |
7503
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diff
changeset
|
889 @end deftypefn") |
8c32f95c2639
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7385
diff
changeset
|
890 { |
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changeset
|
891 octave_value retval; |
8c32f95c2639
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changeset
|
892 if (args.length () == 1) |
7528
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changeset
|
893 retval = args(0).xisalpha (); |
7503
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7385
diff
changeset
|
894 else |
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7385
diff
changeset
|
895 print_usage (); |
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changeset
|
896 |
8c32f95c2639
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7385
diff
changeset
|
897 return retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
898 } |
2089 | 899 |
7528
26d8a92644de
try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
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7503
diff
changeset
|
900 DEFUNX ("isascii", Fisascii, args, , |
3361 | 901 "-*- texinfo -*-\n\ |
902 @deftypefn {Mapping Function} {} isascii (@var{s})\n\ | |
903 Return 1 for characters that are ASCII (in the range 0 to 127 decimal).\n\ | |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
904 @end deftypefn") |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
905 { |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
906 octave_value retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
907 if (args.length () == 1) |
7528
26d8a92644de
try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents:
7503
diff
changeset
|
908 retval = args(0).xisascii (); |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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7385
diff
changeset
|
909 else |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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7385
diff
changeset
|
910 print_usage (); |
2089 | 911 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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7385
diff
changeset
|
912 return retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
913 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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diff
changeset
|
914 |
7528
26d8a92644de
try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
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7503
diff
changeset
|
915 DEFUNX ("iscntrl", Fiscntrl, args, , |
3361 | 916 "-*- texinfo -*-\n\ |
917 @deftypefn {Mapping Function} {} iscntrl (@var{s})\n\ | |
918 Return 1 for control characters.\n\ | |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
919 @end deftypefn") |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
920 { |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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diff
changeset
|
921 octave_value retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
922 if (args.length () == 1) |
7528
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try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents:
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changeset
|
923 retval = args(0).xiscntrl (); |
7503
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convert mapper functions to new format
David Bateman <dbateman@free.fr>
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diff
changeset
|
924 else |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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diff
changeset
|
925 print_usage (); |
2089 | 926 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
927 return retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
928 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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diff
changeset
|
929 |
7528
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try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
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diff
changeset
|
930 DEFUNX ("isdigit", Fisdigit, args, , |
3361 | 931 "-*- texinfo -*-\n\ |
932 @deftypefn {Mapping Function} {} isdigit (@var{s})\n\ | |
933 Return 1 for characters that are decimal digits.\n\ | |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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diff
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|
934 @end deftypefn") |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
935 { |
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convert mapper functions to new format
David Bateman <dbateman@free.fr>
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diff
changeset
|
936 octave_value retval; |
8c32f95c2639
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David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
937 if (args.length () == 1) |
7528
26d8a92644de
try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
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diff
changeset
|
938 retval = args(0).xisdigit (); |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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diff
changeset
|
939 else |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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diff
changeset
|
940 print_usage (); |
2089 | 941 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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diff
changeset
|
942 return retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
943 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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diff
changeset
|
944 |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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diff
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|
945 DEFUN (isinf, args, , |
3369 | 946 "-*- texinfo -*-\n\ |
947 @deftypefn {Mapping Function} {} isinf (@var{x})\n\ | |
948 Return 1 for elements of @var{x} that are infinite and zero\n\ | |
9041
853f96e8008f
Cleanup documentation file matrix.texi
Rik <rdrider0-list@yahoo.com>
parents:
8920
diff
changeset
|
949 otherwise. For example,\n\ |
3369 | 950 \n\ |
951 @example\n\ | |
952 @group\n\ | |
4025 | 953 isinf ([13, Inf, NA, NaN])\n\ |
954 @result{} [ 0, 1, 0, 0 ]\n\ | |
3369 | 955 @end group\n\ |
956 @end example\n\ | |
7503
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|
957 @end deftypefn") |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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diff
changeset
|
958 { |
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David Bateman <dbateman@free.fr>
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diff
changeset
|
959 octave_value retval; |
8c32f95c2639
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David Bateman <dbateman@free.fr>
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diff
changeset
|
960 if (args.length () == 1) |
8c32f95c2639
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David Bateman <dbateman@free.fr>
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changeset
|
961 retval = args(0).isinf (); |
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convert mapper functions to new format
David Bateman <dbateman@free.fr>
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diff
changeset
|
962 else |
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David Bateman <dbateman@free.fr>
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|
963 print_usage (); |
529 | 964 |
7503
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David Bateman <dbateman@free.fr>
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diff
changeset
|
965 return retval; |
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convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
966 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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diff
changeset
|
967 |
7814
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
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diff
changeset
|
968 /* |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
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diff
changeset
|
969 |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
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diff
changeset
|
970 %!assert(isinf (Inf)); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
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changeset
|
971 %!assert(!isinf (NaN)); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
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|
972 %!assert(!(isinf (NA))); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
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changeset
|
973 %!assert(isinf (rand(1,10)), false(1,10)); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
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|
974 %!assert(isinf([NaN -Inf -1 0 1 Inf NA]), [false, true, false, false, false, true, false]); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
975 |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
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7667
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changeset
|
976 %!assert(isinf (single(Inf))); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
977 %!assert(!(isinf (single(NaN)))); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
978 %!assert(!(isinf (single(NA)))); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
979 %!assert(isinf (single(rand(1,10))), false(1,10)); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
980 %!assert(isinf(single([NaN -Inf -1 0 1 Inf NA])), [false, true, false, false, false, true, false]); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
981 |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
982 */ |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
983 |
7528
26d8a92644de
try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
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7503
diff
changeset
|
984 DEFUNX ("isgraph", Fisgraph, args, , |
3361 | 985 "-*- texinfo -*-\n\ |
986 @deftypefn {Mapping Function} {} isgraph (@var{s})\n\ | |
987 Return 1 for printable characters (but not the space character).\n\ | |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
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|
988 @end deftypefn") |
8c32f95c2639
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David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
989 { |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
990 octave_value retval; |
8c32f95c2639
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David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
991 if (args.length () == 1) |
7528
26d8a92644de
try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
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diff
changeset
|
992 retval = args(0).xisgraph (); |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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7385
diff
changeset
|
993 else |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
994 print_usage (); |
529 | 995 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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diff
changeset
|
996 return retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
997 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
998 |
7528
26d8a92644de
try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents:
7503
diff
changeset
|
999 DEFUNX ("islower", Fislower, args, , |
3361 | 1000 "-*- texinfo -*-\n\ |
1001 @deftypefn {Mapping Function} {} islower (@var{s})\n\ | |
1002 Return 1 for characters that are lower case letters.\n\ | |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1003 @end deftypefn") |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1004 { |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1005 octave_value retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1006 if (args.length () == 1) |
7528
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try to avoid ctype macro problems
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7503
diff
changeset
|
1007 retval = args(0).xislower (); |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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7385
diff
changeset
|
1008 else |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1009 print_usage (); |
2089 | 1010 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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diff
changeset
|
1011 return retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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7385
diff
changeset
|
1012 } |
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convert mapper functions to new format
David Bateman <dbateman@free.fr>
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7385
diff
changeset
|
1013 |
8c32f95c2639
convert mapper functions to new format
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diff
changeset
|
1014 DEFUN (isna, args, , |
4025 | 1015 "-*- texinfo -*-\n\ |
1016 @deftypefn {Mapping Function} {} isna (@var{x})\n\ | |
1017 Return 1 for elements of @var{x} that are NA (missing) values and zero\n\ | |
5389 | 1018 otherwise. For example,\n\ |
4025 | 1019 \n\ |
1020 @example\n\ | |
1021 @group\n\ | |
6218 | 1022 isna ([13, Inf, NA, NaN])\n\ |
4025 | 1023 @result{} [ 0, 0, 1, 0 ]\n\ |
1024 @end group\n\ | |
1025 @end example\n\ | |
7503
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convert mapper functions to new format
David Bateman <dbateman@free.fr>
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diff
changeset
|
1026 @end deftypefn") |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1027 { |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1028 octave_value retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1029 if (args.length () == 1) |
8c32f95c2639
convert mapper functions to new format
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diff
changeset
|
1030 retval = args(0).isna (); |
8c32f95c2639
convert mapper functions to new format
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7385
diff
changeset
|
1031 else |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1032 print_usage (); |
4025 | 1033 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1034 return retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1035 } |
8c32f95c2639
convert mapper functions to new format
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7385
diff
changeset
|
1036 |
7814
87865ed7405f
Second set of single precision test code and fix of resulting bugs
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7667
diff
changeset
|
1037 /* |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
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7667
diff
changeset
|
1038 |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
1039 %!assert(!(isna (Inf))); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
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7667
diff
changeset
|
1040 %!assert(!isna (NaN)); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
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7667
diff
changeset
|
1041 %!assert(isna (NA)); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
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7667
diff
changeset
|
1042 %!assert(isna (rand(1,10)), false(1,10)); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
1043 %!assert(isna([NaN -Inf -1 0 1 Inf NA]), [false, false, false, false, false, false, true]); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
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7667
diff
changeset
|
1044 |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
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7667
diff
changeset
|
1045 %!assert(!(isna (single(Inf)))); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
1046 %!assert(!isna (single(NaN))); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
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7667
diff
changeset
|
1047 %!assert(isna (single(NA))); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
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7667
diff
changeset
|
1048 %!assert(isna (single(rand(1,10))), false(1,10)); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
1049 %!assert(isna(single([NaN -Inf -1 0 1 Inf NA])), [false, false, false, false, false, false, true]); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
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7667
diff
changeset
|
1050 |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
1051 */ |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
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parents:
7667
diff
changeset
|
1052 |
7503
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diff
changeset
|
1053 DEFUN (isnan, args, , |
3369 | 1054 "-*- texinfo -*-\n\ |
1055 @deftypefn {Mapping Function} {} isnan (@var{x})\n\ | |
1056 Return 1 for elements of @var{x} that are NaN values and zero\n\ | |
5389 | 1057 otherwise. NA values are also considered NaN values. For example,\n\ |
3369 | 1058 \n\ |
1059 @example\n\ | |
1060 @group\n\ | |
4025 | 1061 isnan ([13, Inf, NA, NaN])\n\ |
5389 | 1062 @result{} [ 0, 0, 1, 1 ]\n\ |
3369 | 1063 @end group\n\ |
1064 @end example\n\ | |
7503
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convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1065 @end deftypefn") |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1066 { |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1067 octave_value retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1068 if (args.length () == 1) |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1069 retval = args(0).isnan (); |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1070 else |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1071 print_usage (); |
624 | 1072 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1073 return retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1074 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1075 |
7814
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
1076 /* |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
1077 |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
1078 %!assert(!(isnan (Inf))); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
1079 %!assert(isnan (NaN)); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
1080 %!assert(isnan (NA)); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
1081 %!assert(isnan (rand(1,10)), false(1,10)); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
1082 %!assert(isnan([NaN -Inf -1 0 1 Inf NA]), [true, false, false, false, false, false, true]); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
1083 |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
1084 %!assert(!(isnan (single(Inf)))); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
1085 %!assert(isnan (single(NaN))); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
1086 %!assert(isnan (single(NA))); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
1087 %!assert(isnan (single(rand(1,10))), false(1,10)); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
1088 %!assert(isnan(single([NaN -Inf -1 0 1 Inf NA])), [true, false, false, false, false, false, true]); |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
1089 |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
1090 */ |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7667
diff
changeset
|
1091 |
7528
26d8a92644de
try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents:
7503
diff
changeset
|
1092 DEFUNX ("isprint", Fisprint, args, , |
3361 | 1093 "-*- texinfo -*-\n\ |
1094 @deftypefn {Mapping Function} {} isprint (@var{s})\n\ | |
1095 Return 1 for printable characters (including the space character).\n\ | |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1096 @end deftypefn") |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1097 { |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1098 octave_value retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1099 if (args.length () == 1) |
7528
26d8a92644de
try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents:
7503
diff
changeset
|
1100 retval = args(0).xisprint (); |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1101 else |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1102 print_usage (); |
2089 | 1103 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1104 return retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1105 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1106 |
7528
26d8a92644de
try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents:
7503
diff
changeset
|
1107 DEFUNX ("ispunct", Fispunct, args, , |
3361 | 1108 "-*- texinfo -*-\n\ |
1109 @deftypefn {Mapping Function} {} ispunct (@var{s})\n\ | |
1110 Return 1 for punctuation characters.\n\ | |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1111 @end deftypefn") |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1112 { |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1113 octave_value retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1114 if (args.length () == 1) |
7528
26d8a92644de
try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents:
7503
diff
changeset
|
1115 retval = args(0).xispunct (); |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1116 else |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1117 print_usage (); |
2089 | 1118 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1119 return retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1120 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1121 |
7528
26d8a92644de
try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents:
7503
diff
changeset
|
1122 DEFUNX ("isspace", Fisspace, args, , |
3361 | 1123 "-*- texinfo -*-\n\ |
1124 @deftypefn {Mapping Function} {} isspace (@var{s})\n\ | |
1125 Return 1 for whitespace characters (space, formfeed, newline,\n\ | |
1126 carriage return, tab, and vertical tab).\n\ | |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1127 @end deftypefn") |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1128 { |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1129 octave_value retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1130 if (args.length () == 1) |
7528
26d8a92644de
try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents:
7503
diff
changeset
|
1131 retval = args(0).xisspace (); |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1132 else |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1133 print_usage (); |
2089 | 1134 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1135 return retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1136 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1137 |
7528
26d8a92644de
try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents:
7503
diff
changeset
|
1138 DEFUNX ("isupper", Fisupper, args, , |
3361 | 1139 "-*- texinfo -*-\n\ |
1140 @deftypefn {Mapping Function} {} isupper (@var{s})\n\ | |
1141 Return 1 for upper case letters.\n\ | |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1142 @end deftypefn") |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1143 { |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1144 octave_value retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1145 if (args.length () == 1) |
7528
26d8a92644de
try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents:
7503
diff
changeset
|
1146 retval = args(0).xisupper (); |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1147 else |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1148 print_usage (); |
2089 | 1149 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1150 return retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1151 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1152 |
7528
26d8a92644de
try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents:
7503
diff
changeset
|
1153 DEFUNX ("isxdigit", Fisxdigit, args, , |
3361 | 1154 "-*- texinfo -*-\n\ |
1155 @deftypefn {Mapping Function} {} isxdigit (@var{s})\n\ | |
1156 Return 1 for characters that are hexadecimal digits.\n\ | |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1157 @end deftypefn") |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1158 { |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1159 octave_value retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1160 if (args.length () == 1) |
7528
26d8a92644de
try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents:
7503
diff
changeset
|
1161 retval = args(0).xisxdigit (); |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1162 else |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1163 print_usage (); |
2089 | 1164 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1165 return retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1166 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1167 |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1168 DEFUN (lgamma, args, , |
3321 | 1169 "-*- texinfo -*-\n\ |
5518 | 1170 @deftypefn {Mapping Function} {} lgamma (@var{x})\n\ |
1171 @deftypefnx {Mapping Function} {} gammaln (@var{x})\n\ | |
7601
8a939b217863
Treat negative values to lgamma and beta correctly
David Bateman <dbateman@free.fr>
parents:
7528
diff
changeset
|
1172 Return the natural logarithm of the gamma function of @var{x}.\n\ |
8286
6f2d95255911
fix @seealso references to point to existing anchors
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8084
diff
changeset
|
1173 @seealso{gamma, gammainc}\n\ |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1174 @end deftypefn") |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1175 { |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1176 octave_value retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1177 if (args.length () == 1) |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1178 retval = args(0).lgamma (); |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1179 else |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1180 print_usage (); |
529 | 1181 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1182 return retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1183 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1184 |
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
|
1185 /* |
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
|
1186 |
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
|
1187 %!test |
fb3a6c53c2b2
Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
David Bateman <dbateman@free.fr>
parents:
7638
diff
changeset
|
1188 %! a = -1i*sqrt(-1/(6.4187*6.4187)); |
fb3a6c53c2b2
Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
David Bateman <dbateman@free.fr>
parents:
7638
diff
changeset
|
1189 %! assert (lgamma(a), lgamma(real(a))); |
fb3a6c53c2b2
Allow negative zero imaginary part to be treated as zero for erf, erfc, gamma and lgamma mapper function
David Bateman <dbateman@free.fr>
parents:
7638
diff
changeset
|
1190 |
7815
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1191 %!test |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1192 %! 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
|
1193 %! v = [sqrt(pi), 1, .5*sqrt(pi), 1, 2, 6, 24]; |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1194 %! assert(lgamma(x), log(v), sqrt(eps)) |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1195 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1196 %!test |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1197 %! a = single(-1i*sqrt(-1/(6.4187*6.4187))); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1198 %! assert (lgamma(a), lgamma(real(a))); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1199 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1200 %!test |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1201 %! x = single([.5, 1, 1.5, 2, 3, 4, 5]); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1202 %! v = single([sqrt(pi), 1, .5*sqrt(pi), 1, 2, 6, 24]); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1203 %! assert(lgamma(x), log(v), sqrt(eps ('single'))) |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1204 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1205 %!error lgamma(); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1206 %!error lgamma(1,2); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1207 |
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
|
1208 */ |
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
|
1209 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1210 DEFUN (log, args, , |
3321 | 1211 "-*- texinfo -*-\n\ |
1212 @deftypefn {Mapping Function} {} log (@var{x})\n\ | |
9141
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
1213 Compute the natural logarithm,\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
1214 @iftex\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
1215 @tex\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
1216 $\\ln{(x)},$\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
1217 @end tex\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
1218 @end iftex\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
1219 @ifnottex\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
1220 @code{ln (@var{x})},\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
1221 @end ifnottex\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
1222 for each element of @var{x}. To compute the\n\ |
3321 | 1223 matrix logarithm, see @ref{Linear Algebra}.\n\ |
9141
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
1224 @seealso{exp, log1p, log2, log10, logspace}\n\ |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1225 @end deftypefn") |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1226 { |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1227 octave_value retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1228 if (args.length () == 1) |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1229 retval = args(0).log (); |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1230 else |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1231 print_usage (); |
529 | 1232 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1233 return retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1234 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1235 |
7815
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1236 /* |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1237 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1238 %!assert(log ([1, e, e^2]), [0, 1, 2], sqrt (eps)); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1239 %!assert(log ([-0.5, -1.5, -2.5]), log([0.5, 1.5, 2.5]) + pi*1i, sqrt (eps)); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1240 |
8084
46aa04055325
Use eps(single) as tolerance for single precesion test.
Ben Abbott <bpabbott@mac.com>
parents:
8067
diff
changeset
|
1241 %!assert(log (single([1, e, e^2])), single([0, 1, 2]), sqrt (eps('single'))); |
8067
c476c2214a90
Adjust tolerance to single precision test.
Ben Abbott <bpabbott@mac.com>
parents:
8047
diff
changeset
|
1242 %!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
|
1243 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1244 %!error log (); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1245 %!error log (1, 2); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1246 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1247 */ |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1248 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1249 DEFUN (log10, args, , |
3321 | 1250 "-*- texinfo -*-\n\ |
1251 @deftypefn {Mapping Function} {} log10 (@var{x})\n\ | |
9141
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
1252 Compute the base-10 logarithm of each element of @var{x}.\n\ |
5642 | 1253 @seealso{log, log2, logspace, exp}\n\ |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1254 @end deftypefn") |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1255 { |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1256 octave_value retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1257 if (args.length () == 1) |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1258 retval = args(0).log10 (); |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1259 else |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1260 print_usage (); |
529 | 1261 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1262 return retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1263 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1264 |
7815
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1265 /* |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1266 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1267 %!assert(log10 ([0.01, 0.1, 1, 10, 100]), [-2, -1, 0, 1, 2], sqrt (eps)); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1268 %!assert(log10 (single([0.01, 0.1, 1, 10, 100])), single([-2, -1, 0, 1, 2]), sqrt (eps ('single'))); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1269 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1270 %!error log10 (); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1271 %!error log10 (1, 2); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1272 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1273 */ |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1274 |
7638
2df457529cfa
implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents:
7636
diff
changeset
|
1275 DEFUN (log1p, args, , |
2df457529cfa
implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents:
7636
diff
changeset
|
1276 "-*- texinfo -*-\n\ |
2df457529cfa
implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents:
7636
diff
changeset
|
1277 @deftypefn {Mapping Function} {} log1p (@var{x})\n\ |
9141
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
1278 Compute\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
1279 @iftex\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
1280 @tex\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
1281 $\\ln{(1 + x)}$\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
1282 @end tex\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
1283 @end iftex\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
1284 @ifnottex\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
1285 @code{log (1 + @var{x})}\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
1286 @end ifnottex\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
1287 accurately in the neighborhood of zero.\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
1288 @seealso{log, exp, expm1}\n\ |
7638
2df457529cfa
implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents:
7636
diff
changeset
|
1289 @end deftypefn") |
2df457529cfa
implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents:
7636
diff
changeset
|
1290 { |
2df457529cfa
implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents:
7636
diff
changeset
|
1291 octave_value retval; |
2df457529cfa
implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents:
7636
diff
changeset
|
1292 if (args.length () == 1) |
2df457529cfa
implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents:
7636
diff
changeset
|
1293 retval = args(0).log1p (); |
2df457529cfa
implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents:
7636
diff
changeset
|
1294 else |
2df457529cfa
implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents:
7636
diff
changeset
|
1295 print_usage (); |
2df457529cfa
implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents:
7636
diff
changeset
|
1296 |
2df457529cfa
implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents:
7636
diff
changeset
|
1297 return retval; |
2df457529cfa
implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents:
7636
diff
changeset
|
1298 } |
2df457529cfa
implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents:
7636
diff
changeset
|
1299 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1300 DEFUN (real, args, , |
3381 | 1301 "-*- texinfo -*-\n\ |
3321 | 1302 @deftypefn {Mapping Function} {} real (@var{z})\n\ |
1303 Return the real part of @var{z}.\n\ | |
5642 | 1304 @seealso{imag, conj}\n\ |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1305 @end deftypefn") |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1306 { |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1307 octave_value retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1308 if (args.length () == 1) |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1309 retval = args(0).real (); |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1310 else |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1311 print_usage (); |
529 | 1312 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1313 return retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1314 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1315 |
7815
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1316 /* |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1317 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1318 %!assert(real (1), 1); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1319 %!assert(real (i), 0); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1320 %!assert(real (1+i), 1); |
8459
d17874a6f161
improve indexing of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents:
8442
diff
changeset
|
1321 %!assert(real ([1, i; i, 1]), full (eye (2))); |
7815
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1322 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1323 %!assert(real (single(1)), single(1)); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1324 %!assert(real (single(i)), single(0)); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1325 %!assert(real (single(1+i)), single(1)); |
8459
d17874a6f161
improve indexing of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents:
8442
diff
changeset
|
1326 %!assert(real (single([1, i; i, 1])), full (eye (2,'single'))); |
7815
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1327 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1328 %!error real (); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1329 %!error real (1, 2); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1330 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1331 */ |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1332 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1333 DEFUN (round, args, , |
3321 | 1334 "-*- texinfo -*-\n\ |
1335 @deftypefn {Mapping Function} {} round (@var{x})\n\ | |
1336 Return the integer nearest to @var{x}. If @var{x} is complex, return\n\ | |
1337 @code{round (real (@var{x})) + round (imag (@var{x})) * I}.\n\ | |
9141
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
1338 @example\n\ |
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1339 @group\n\ |
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|
1340 round ([-2.7, 2.7])\n\ |
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Update section 17.1 (Utility Functions) of arith.txi
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|
1341 @result{} -3 3\n\ |
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Update section 17.1 (Utility Functions) of arith.txi
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|
1342 @end group\n\ |
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Update section 17.1 (Utility Functions) of arith.txi
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|
1343 @end example\n\ |
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Update section 17.1 (Utility Functions) of arith.txi
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|
1344 @seealso{ceil, floor, fix}\n\ |
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|
1345 @end deftypefn") |
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|
1346 { |
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|
1347 octave_value retval; |
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|
1348 if (args.length () == 1) |
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|
1349 retval = args(0).round (); |
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|
1350 else |
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1351 print_usage (); |
529 | 1352 |
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1353 return retval; |
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|
1354 } |
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|
1355 |
7815
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|
1356 /* |
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|
1357 |
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1358 %!assert(round (1), 1); |
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1359 %!assert(round (1.1), 1); |
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1360 %!assert(round (5.5), 6); |
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Add some single precision test code and fix resulting bugs
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1361 %!assert(round (i), i); |
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Add some single precision test code and fix resulting bugs
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1362 %!assert(round (2.5+3.5i), 3+4i); |
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1363 %!assert(round (-2.6), -3); |
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1364 %!assert(round ([1.1, -2.4; -3.7, 7.1]), [1, -2; -4, 7]); |
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1365 |
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1366 %!assert(round (single(1)), single(1)); |
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1367 %!assert(round (single(1.1)), single(1)); |
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1368 %!assert(round (single(5.5)), single(6)); |
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1369 %!assert(round (single(i)), single(i)); |
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1370 %!assert(round (single(2.5+3.5i)), single(3+4i)); |
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1371 %!assert(round (single(-2.6)), single(-3)); |
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1372 %!assert(round (single([1.1, -2.4; -3.7, 7.1])), single([1, -2; -4, 7])); |
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1373 |
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|
1374 %!error round (); |
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|
1375 %!error round (1, 2); |
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|
1376 |
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|
1377 */ |
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|
1378 |
7636
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|
1379 DEFUN (roundb, args, , |
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|
1380 "-*- texinfo -*-\n\ |
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|
1381 @deftypefn {Mapping Function} {} roundb (@var{x})\n\ |
9064
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|
1382 Return the integer nearest to @var{x}. If there are two nearest\n\ |
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|
1383 integers, return the even one (banker's rounding). If @var{x} is complex,\n\ |
7636
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|
1384 return @code{roundb (real (@var{x})) + roundb (imag (@var{x})) * I}.\n\ |
9141
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Update section 17.1 (Utility Functions) of arith.txi
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|
1385 @seealso{round}\n\ |
7636
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|
1386 @end deftypefn") |
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|
1387 { |
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|
1388 octave_value retval; |
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|
1389 if (args.length () == 1) |
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|
1390 retval = args(0).roundb (); |
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|
1391 else |
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|
1392 print_usage (); |
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|
1393 |
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|
1394 return retval; |
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|
1395 } |
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|
1396 |
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|
1397 DEFUN (sign, args, , |
3321 | 1398 "-*- texinfo -*-\n\ |
1399 @deftypefn {Mapping Function} {} sign (@var{x})\n\ | |
1400 Compute the @dfn{signum} function, which is defined as\n\ | |
1401 @iftex\n\ | |
1402 @tex\n\ | |
1403 $$\n\ | |
1404 {\\rm sign} (@var{x}) = \\cases{1,&$x>0$;\\cr 0,&$x=0$;\\cr -1,&$x<0$.\\cr}\n\ | |
1405 $$\n\ | |
1406 @end tex\n\ | |
1407 @end iftex\n\ | |
8517
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1408 @ifnottex\n\ |
3321 | 1409 \n\ |
1410 @example\n\ | |
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1411 @group\n\ |
3321 | 1412 -1, x < 0;\n\ |
1413 sign (x) = 0, x = 0;\n\ | |
1414 1, x > 0.\n\ | |
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1415 @end group\n\ |
3321 | 1416 @end example\n\ |
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1417 @end ifnottex\n\ |
3321 | 1418 \n\ |
1419 For complex arguments, @code{sign} returns @code{x ./ abs (@var{x})}.\n\ | |
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1420 @end deftypefn") |
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|
1421 { |
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|
1422 octave_value retval; |
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|
1423 if (args.length () == 1) |
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1424 retval = args(0).signum (); |
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|
1425 else |
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|
1426 print_usage (); |
529 | 1427 |
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1428 return retval; |
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|
1429 } |
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|
1430 |
7815
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|
1431 /* |
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|
1432 |
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|
1433 %!assert(sign (-2) , -1); |
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|
1434 %!assert(sign (3), 1); |
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|
1435 %!assert(sign (0), 0); |
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|
1436 %!assert(sign ([1, -pi; e, 0]), [1, -1; 1, 0]); |
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|
1437 |
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|
1438 %!assert(sign (single(-2)) , single(-1)); |
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|
1439 %!assert(sign (single(3)), single(1)); |
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1440 %!assert(sign (single(0)), single(0)); |
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|
1441 %!assert(sign (single([1, -pi; e, 0])), single([1, -1; 1, 0])); |
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|
1442 |
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|
1443 %!error sign (); |
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|
1444 %!error sign (1, 2); |
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|
1445 |
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|
1446 */ |
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|
1447 |
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|
1448 DEFUN (sin, args, , |
3321 | 1449 "-*- texinfo -*-\n\ |
3428 | 1450 @deftypefn {Mapping Function} {} sin (@var{x})\n\ |
5016 | 1451 Compute the sine of each element of @var{x}.\n\ |
7503
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|
1452 @end deftypefn") |
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|
1453 { |
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|
1454 octave_value retval; |
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|
1455 if (args.length () == 1) |
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|
1456 retval = args(0).sin (); |
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|
1457 else |
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|
1458 print_usage (); |
529 | 1459 |
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|
1460 return retval; |
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|
1461 } |
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|
1462 |
7815
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|
1463 /* |
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|
1464 |
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|
1465 %!test |
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|
1466 %! rt2 = sqrt (2); |
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|
1467 %! rt3 = sqrt (3); |
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|
1468 %! x = [0, pi/6, pi/4, pi/3, pi/2, 2*pi/3, 3*pi/4, 5*pi/6, pi]; |
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|
1469 %! v = [0, 1/2, rt2/2, rt3/2, 1, rt3/2, rt2/2, 1/2, 0]; |
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|
1470 %! assert(sin (x), v, sqrt (eps)); |
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|
1471 |
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|
1472 %!test |
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|
1473 %! rt2 = sqrt (2); |
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|
1474 %! rt3 = sqrt (3); |
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|
1475 %! 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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changeset
|
1476 %! v = single([0, 1/2, rt2/2, rt3/2, 1, rt3/2, rt2/2, 1/2, 0]); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1477 %! assert(sin (x), v, sqrt (eps('single'))); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1478 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1479 %!error sin (); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1480 %!error sin (1, 2); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1481 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1482 */ |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1483 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1484 DEFUN (sinh, args, , |
3321 | 1485 "-*- texinfo -*-\n\ |
3428 | 1486 @deftypefn {Mapping Function} {} sinh (@var{x})\n\ |
5418 | 1487 Compute the hyperbolic sine of each element of @var{x}.\n\ |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1488 @end deftypefn") |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1489 { |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1490 octave_value retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1491 if (args.length () == 1) |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1492 retval = args(0).sinh (); |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1493 else |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1494 print_usage (); |
529 | 1495 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1496 return retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1497 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1498 |
7815
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1499 /* |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1500 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1501 %!test |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1502 %! x = [0, pi/2*i, pi*i, 3*pi/2*i]; |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1503 %! v = [0, i, 0, -i]; |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1504 %! assert(sinh (x), v, sqrt (eps)); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1505 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1506 %!test |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1507 %! x = single([0, pi/2*i, pi*i, 3*pi/2*i]); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1508 %! v = single([0, i, 0, -i]); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1509 %! assert(sinh (x), v, sqrt (eps('single'))); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1510 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1511 %!error sinh (); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1512 %!error sinh (1, 2); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1513 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1514 */ |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1515 |
7503
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convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1516 DEFUN (sqrt, args, , |
3321 | 1517 "-*- texinfo -*-\n\ |
1518 @deftypefn {Mapping Function} {} sqrt (@var{x})\n\ | |
9141
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
1519 Compute the square root of each element of @var{x}. If @var{x} is negative,\n\ |
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
1520 a complex result is returned. To compute the matrix square root, see\n\ |
3321 | 1521 @ref{Linear Algebra}.\n\ |
9141
c1fff751b5a8
Update section 17.1 (Utility Functions) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
9065
diff
changeset
|
1522 @seealso{realsqrt}\n\ |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1523 @end deftypefn") |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1524 { |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1525 octave_value retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1526 if (args.length () == 1) |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1527 retval = args(0).sqrt (); |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1528 else |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1529 print_usage (); |
529 | 1530 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1531 return retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1532 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1533 |
7815
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1534 /* |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1535 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1536 %!assert(sqrt (4), 2) |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1537 %!assert(sqrt (-1), i) |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1538 %!assert(sqrt (1+i), exp (0.5 * log (1+i)), sqrt (eps)); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1539 %!assert(sqrt([4, -4; i, 1-i]), [2, 2i; exp(0.5 * log (i)), exp(0.5 * log (1-i))], sqrt(eps)); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1540 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1541 %!assert(sqrt (single(4)), single(2)) |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1542 %!assert(sqrt (single(-1)), single(i)) |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1543 %!assert(sqrt (single(1+i)), single(exp (0.5 * log (1+i))), sqrt (eps('single'))); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1544 %!assert(sqrt(single([4, -4; i, 1-i])), single([2, 2i; exp(0.5 * log (i)), exp(0.5 * log (1-i))]), sqrt(eps('single'))); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1545 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1546 %!error sqrt (); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1547 %!error sqrt (1, 2); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1548 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1549 */ |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1550 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1551 DEFUN (tan, args, , |
3321 | 1552 "-*- texinfo -*-\n\ |
1553 @deftypefn {Mapping Function} {} tan (@var{z})\n\ | |
5016 | 1554 Compute tangent of each element of @var{x}.\n\ |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1555 @end deftypefn") |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1556 { |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1557 octave_value retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1558 if (args.length () == 1) |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1559 retval = args(0).tan (); |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1560 else |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1561 print_usage (); |
529 | 1562 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1563 return retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1564 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1565 |
7815
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1566 /* |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1567 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1568 %!test |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1569 %! rt2 = sqrt (2); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1570 %! rt3 = sqrt (3); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1571 %! x = [0, pi/6, pi/4, pi/3, 2*pi/3, 3*pi/4, 5*pi/6, pi]; |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1572 %! v = [0, rt3/3, 1, rt3, -rt3, -1, -rt3/3, 0]; |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1573 %! assert(tan (x), v, sqrt (eps)); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1574 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1575 %!test |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1576 %! rt2 = sqrt (2); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1577 %! rt3 = sqrt (3); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1578 %! x = single([0, pi/6, pi/4, pi/3, 2*pi/3, 3*pi/4, 5*pi/6, pi]); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1579 %! v = single([0, rt3/3, 1, rt3, -rt3, -1, -rt3/3, 0]); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1580 %! assert(tan (x), v, sqrt (eps('single'))); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1581 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1582 %!error tan (); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1583 %!error tan (1, 2); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1584 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1585 */ |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1586 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1587 DEFUN (tanh, args, , |
3321 | 1588 "-*- texinfo -*-\n\ |
3428 | 1589 @deftypefn {Mapping Function} {} tanh (@var{x})\n\ |
1590 Compute hyperbolic tangent of each element of @var{x}.\n\ | |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1591 @end deftypefn") |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1592 { |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1593 octave_value retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1594 if (args.length () == 1) |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1595 retval = args(0).tanh (); |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1596 else |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1597 print_usage (); |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1598 |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1599 return retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1600 } |
1562 | 1601 |
7815
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1602 /* |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1603 |
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 = [0, pi*i]; |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1606 %! v = [0, 0]; |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1607 %! assert(tanh (x), v, sqrt (eps)); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1608 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1609 %!test |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1610 %! x = single([0, pi*i]); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1611 %! v = single([0, 0]); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1612 %! assert(tanh (x), v, sqrt (eps('single'))); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1613 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1614 %!error tanh (); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1615 %!error tanh (1, 2); |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1616 |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1617 */ |
a41df65f3f00
Add some single precision test code and fix resulting bugs
David Bateman <dbateman@free.fr>
parents:
7814
diff
changeset
|
1618 |
7528
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try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents:
7503
diff
changeset
|
1619 DEFUNX ("toascii", Ftoascii, args, , |
3361 | 1620 "-*- texinfo -*-\n\ |
1621 @deftypefn {Mapping Function} {} toascii (@var{s})\n\ | |
1622 Return ASCII representation of @var{s} in a matrix. For example,\n\ | |
1623 \n\ | |
1624 @example\n\ | |
1625 @group\n\ | |
1626 toascii (\"ASCII\")\n\ | |
1627 @result{} [ 65, 83, 67, 73, 73 ]\n\ | |
1628 @end group\n\ | |
1629 \n\ | |
1630 @end example\n\ | |
8442
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8387
diff
changeset
|
1631 @seealso{char}\n\ |
7503
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David Bateman <dbateman@free.fr>
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diff
changeset
|
1632 @end deftypefn") |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1633 { |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1634 octave_value retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1635 if (args.length () == 1) |
7528
26d8a92644de
try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents:
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changeset
|
1636 retval = args(0).xtoascii (); |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1637 else |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1638 print_usage (); |
2267 | 1639 |
7503
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convert mapper functions to new format
David Bateman <dbateman@free.fr>
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|
1640 return retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1641 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1642 |
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try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
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changeset
|
1643 DEFUNX ("tolower", Ftolower, args, , |
3361 | 1644 "-*- texinfo -*-\n\ |
1645 @deftypefn {Mapping Function} {} tolower (@var{s})\n\ | |
8387
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make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8366
diff
changeset
|
1646 @deftypefnx {Mapping Function} {} lower (@var{s})\n\ |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8366
diff
changeset
|
1647 Return a copy of the string or cell string @var{s}, with each upper-case\n\ |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8366
diff
changeset
|
1648 character replaced by the corresponding lower-case one; nonalphabetic\n\ |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
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diff
changeset
|
1649 characters are left unchanged. For example,\n\ |
3361 | 1650 \n\ |
1651 @example\n\ | |
9064
7c02ec148a3c
Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents:
9041
diff
changeset
|
1652 @group\n\ |
3361 | 1653 tolower (\"MiXeD cAsE 123\")\n\ |
1654 @result{} \"mixed case 123\"\n\ | |
9064
7c02ec148a3c
Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents:
9041
diff
changeset
|
1655 @end group\n\ |
3361 | 1656 @end example\n\ |
8442
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8387
diff
changeset
|
1657 @seealso{toupper}\n\ |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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diff
changeset
|
1658 @end deftypefn") |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1659 { |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1660 octave_value retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1661 if (args.length () == 1) |
7528
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try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
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changeset
|
1662 retval = args(0).xtolower (); |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1663 else |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1664 print_usage (); |
2267 | 1665 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1666 return retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1667 } |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1668 |
8387
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8366
diff
changeset
|
1669 DEFALIAS (lower, tolower); |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8366
diff
changeset
|
1670 |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8366
diff
changeset
|
1671 /* |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
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diff
changeset
|
1672 |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
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diff
changeset
|
1673 %!error <Invalid call to tolower.*> tolower(); |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8366
diff
changeset
|
1674 %!error <Invalid call to tolower.*> lower(); |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8366
diff
changeset
|
1675 %!assert(tolower("OCTAVE"), "octave"); |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8366
diff
changeset
|
1676 %!assert(tolower("123OCTave!_&"), "123octave!_&"); |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8366
diff
changeset
|
1677 %!assert(tolower({"ABC", "DEF", {"GHI", {"JKL"}}}), {"abc", "def", {"ghi", {"jkl"}}}); |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8366
diff
changeset
|
1678 %!assert(tolower(["ABC"; "DEF"]), ["abc"; "def"]); |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8366
diff
changeset
|
1679 %!assert(tolower({["ABC"; "DEF"]}), {["abc";"def"]}); |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8366
diff
changeset
|
1680 %!assert(tolower(68), "d"); |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8366
diff
changeset
|
1681 %!assert(tolower({[68, 68; 68, 68]}), {["dd";"dd"]}); |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8366
diff
changeset
|
1682 %!test |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8366
diff
changeset
|
1683 %! a(3,3,3,3) = "D"; |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8366
diff
changeset
|
1684 %! assert(tolower(a)(3,3,3,3), "d"); |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8366
diff
changeset
|
1685 |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8366
diff
changeset
|
1686 */ |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8366
diff
changeset
|
1687 |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8366
diff
changeset
|
1688 |
7528
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try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents:
7503
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changeset
|
1689 DEFUNX ("toupper", Ftoupper, args, , |
3361 | 1690 "-*- texinfo -*-\n\ |
3368 | 1691 @deftypefn {Built-in Function} {} toupper (@var{s})\n\ |
8387
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8366
diff
changeset
|
1692 @deftypefnx {Built-in Function} {} upper (@var{s})\n\ |
9064
7c02ec148a3c
Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents:
9041
diff
changeset
|
1693 Return a copy of the string or cell string @var{s}, with each lower-case\n\ |
8387
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8366
diff
changeset
|
1694 character replaced by the corresponding upper-case one; nonalphabetic\n\ |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8366
diff
changeset
|
1695 characters are left unchanged. For example,\n\ |
3361 | 1696 \n\ |
1697 @example\n\ | |
1698 @group\n\ | |
3552 | 1699 toupper (\"MiXeD cAsE 123\")\n\ |
3361 | 1700 @result{} \"MIXED CASE 123\"\n\ |
1701 @end group\n\ | |
1702 @end example\n\ | |
8442
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8387
diff
changeset
|
1703 @seealso{tolower}\n\ |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1704 @end deftypefn") |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1705 { |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1706 octave_value retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1707 if (args.length () == 1) |
7528
26d8a92644de
try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents:
7503
diff
changeset
|
1708 retval = args(0).xtoupper (); |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1709 else |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1710 print_usage (); |
3206 | 1711 |
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1712 return retval; |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7385
diff
changeset
|
1713 } |
3321 | 1714 |
8387
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8366
diff
changeset
|
1715 DEFALIAS (upper, toupper); |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8366
diff
changeset
|
1716 |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
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parents:
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diff
changeset
|
1717 /* |
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make upper and lower aliases of toupper and tolower respectively
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diff
changeset
|
1718 |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8366
diff
changeset
|
1719 %!error <Invalid call to toupper.*> toupper(); |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
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parents:
8366
diff
changeset
|
1720 %!error <Invalid call to toupper.*> upper(); |
1567db1e166c
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parents:
8366
diff
changeset
|
1721 %!assert(toupper("octave"), "OCTAVE"); |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8366
diff
changeset
|
1722 %!assert(toupper("123OCTave!_&"), "123OCTAVE!_&"); |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
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parents:
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diff
changeset
|
1723 %!assert(toupper({"abc", "def", {"ghi", {"jkl"}}}), {"ABC", "DEF", {"GHI", {"JKL"}}}); |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
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diff
changeset
|
1724 %!assert(toupper(["abc"; "def"]), ["ABC"; "DEF"]); |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
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diff
changeset
|
1725 %!assert(toupper({["abc"; "def"]}), {["ABC";"DEF"]}); |
1567db1e166c
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8366
diff
changeset
|
1726 %!assert(toupper(100), "D"); |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
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8366
diff
changeset
|
1727 %!assert(toupper({[100, 100; 100, 100]}), {["DD";"DD"]}); |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
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8366
diff
changeset
|
1728 %!test |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
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8366
diff
changeset
|
1729 %! a(3,3,3,3) = "d"; |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
8366
diff
changeset
|
1730 %! assert(toupper(a)(3,3,3,3), "D"); |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
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diff
changeset
|
1731 |
1567db1e166c
make upper and lower aliases of toupper and tolower respectively
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8366
diff
changeset
|
1732 */ |
1567db1e166c
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8366
diff
changeset
|
1733 |
7503
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7385
diff
changeset
|
1734 DEFALIAS (gammaln, lgamma); |
8c32f95c2639
convert mapper functions to new format
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7385
diff
changeset
|
1735 |
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
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7385
diff
changeset
|
1736 DEFALIAS (isfinite, finite); |
529 | 1737 |
1 | 1738 /* |
1739 ;;; Local Variables: *** | |
1740 ;;; mode: C++ *** | |
1741 ;;; End: *** | |
1742 */ |