Mercurial > hg > octave-kai > gnulib-hg
annotate lib/math.in.h @ 15893:792aac7b45c4
New module 'sinhf'.
* lib/math.in.h (sinhf): New declaration.
* lib/sinhf.c: New file.
* m4/sinhf.m4: New file.
* m4/math_h.m4 (gl_MATH_H): Test whether sinhf is declared.
(gl_MATH_H_DEFAULTS): Initialize GNULIB_SINHF, HAVE_SINHF.
* modules/math (Makefile.am): Substitute GNULIB_SINHF, HAVE_SINHF.
* modules/sinhf: New file.
* tests/test-math-c++.cc: Check the declaration of sinhf.
* doc/posix-functions/sinhf.texi: Mention the new module.
| author | Bruno Haible <bruno@clisp.org> |
|---|---|
| date | Sun, 09 Oct 2011 00:40:19 +0200 |
| parents | 52fb6ed99832 |
| children | df1794ad8606 |
| rev | line source |
|---|---|
| 9255 | 1 /* A GNU-like <math.h>. |
| 2 | |
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3 Copyright (C) 2002-2003, 2007-2011 Free Software Foundation, Inc. |
| 9255 | 4 |
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5 This program is free software: you can redistribute it and/or modify |
| 9255 | 6 it under the terms of the GNU General Public License as published by |
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7 the Free Software Foundation; either version 3 of the License, or |
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8 (at your option) any later version. |
| 9255 | 9 |
| 10 This program is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 GNU General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU General Public License | |
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16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 9255 | 17 |
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18 #ifndef _@GUARD_PREFIX@_MATH_H |
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19 |
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20 #if __GNUC__ >= 3 |
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21 @PRAGMA_SYSTEM_HEADER@ |
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22 #endif |
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23 @PRAGMA_COLUMNS@ |
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24 |
| 9255 | 25 /* The include_next requires a split double-inclusion guard. */ |
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26 #@INCLUDE_NEXT_AS_FIRST_DIRECTIVE@ @NEXT_AS_FIRST_DIRECTIVE_MATH_H@ |
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28 #ifndef _@GUARD_PREFIX@_MATH_H |
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29 #define _@GUARD_PREFIX@_MATH_H |
| 9255 | 30 |
| 31 | |
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32 /* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ |
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33 |
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34 /* The definition of _GL_ARG_NONNULL is copied here. */ |
| 9255 | 35 |
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36 /* The definition of _GL_WARN_ON_USE is copied here. */ |
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37 |
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38 /* Helper macros to define a portability warning for the |
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39 classification macro FUNC called with VALUE. POSIX declares the |
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40 classification macros with an argument of real-floating (that is, |
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41 one of float, double, or long double). */ |
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42 #define _GL_WARN_REAL_FLOATING_DECL(func) \ |
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43 static inline int \ |
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44 rpl_ ## func ## f (float f) \ |
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45 { \ |
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46 return func (f); \ |
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47 } \ |
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48 static inline int \ |
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49 rpl_ ## func ## d (double d) \ |
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50 { \ |
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51 return func (d); \ |
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52 } \ |
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53 static inline int \ |
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54 rpl_ ## func ## l (long double l) \ |
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55 { \ |
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56 return func (l); \ |
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57 } \ |
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58 _GL_WARN_ON_USE (rpl_ ## func ## f, #func " is unportable - " \ |
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59 "use gnulib module " #func " for portability"); \ |
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60 _GL_WARN_ON_USE (rpl_ ## func ## d, #func " is unportable - " \ |
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61 "use gnulib module " #func " for portability"); \ |
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62 _GL_WARN_ON_USE (rpl_ ## func ## l, #func " is unportable - " \ |
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63 "use gnulib module " #func " for portability") |
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64 #define _GL_WARN_REAL_FLOATING_IMPL(func, value) \ |
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65 (sizeof (value) == sizeof (float) ? rpl_ ## func ## f (value) \ |
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66 : sizeof (value) == sizeof (double) ? rpl_ ## func ## d (value) \ |
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67 : rpl_ ## func ## l (value)) |
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68 |
| 9255 | 69 |
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70 #if @REPLACE_ITOLD@ |
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71 /* Pull in a function that fixes the 'int' to 'long double' conversion |
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72 of glibc 2.7. */ |
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73 _GL_EXTERN_C void _Qp_itoq (long double *, int); |
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74 static void (*_gl_math_fix_itold) (long double *, int) = _Qp_itoq; |
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75 #endif |
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76 |
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77 |
| 9850 | 78 /* POSIX allows platforms that don't support NAN. But all major |
| 79 machines in the past 15 years have supported something close to | |
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80 IEEE NaN, so we define this unconditionally. We also must define |
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81 it on platforms like Solaris 10, where NAN is present but defined |
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82 as a function pointer rather than a floating point constant. */ |
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83 #if !defined NAN || @REPLACE_NAN@ |
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84 # if !GNULIB_defined_NAN |
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85 # undef NAN |
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86 /* The Compaq (ex-DEC) C 6.4 compiler and the Microsoft MSVC 9 compiler |
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87 choke on the expression 0.0 / 0.0. */ |
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88 # if defined __DECC || defined _MSC_VER |
| 9850 | 89 static float |
| 90 _NaN () | |
| 91 { | |
| 92 static float zero = 0.0f; | |
| 93 return zero / zero; | |
| 94 } | |
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95 # define NAN (_NaN()) |
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96 # else |
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97 # define NAN (0.0f / 0.0f) |
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98 # endif |
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99 # define GNULIB_defined_NAN 1 |
| 9850 | 100 # endif |
| 101 #endif | |
| 102 | |
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103 /* Solaris 10 defines HUGE_VAL, but as a function pointer rather |
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104 than a floating point constant. */ |
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105 #if @REPLACE_HUGE_VAL@ |
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106 # undef HUGE_VAL |
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107 # define HUGE_VAL (1.0 / 0.0) |
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108 #endif |
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109 |
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110 |
| 15884 | 111 #if @GNULIB_ACOSF@ |
| 112 # if !@HAVE_ACOSF@ | |
| 113 # undef acosf | |
| 114 _GL_FUNCDECL_SYS (acosf, float, (float x)); | |
| 115 # endif | |
| 116 _GL_CXXALIAS_SYS (acosf, float, (float x)); | |
| 117 _GL_CXXALIASWARN (acosf); | |
| 118 #elif defined GNULIB_POSIXCHECK | |
| 119 # undef acosf | |
| 120 # if HAVE_RAW_DECL_ACOSF | |
| 121 _GL_WARN_ON_USE (acosf, "acosf is unportable - " | |
| 122 "use gnulib module acosf for portability"); | |
| 123 # endif | |
| 124 #endif | |
| 125 | |
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126 #if @GNULIB_ACOSL@ |
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127 # if !@HAVE_ACOSL@ || !@HAVE_DECL_ACOSL@ |
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128 _GL_FUNCDECL_SYS (acosl, long double, (long double x)); |
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129 # endif |
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130 _GL_CXXALIAS_SYS (acosl, long double, (long double x)); |
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131 _GL_CXXALIASWARN (acosl); |
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132 #elif defined GNULIB_POSIXCHECK |
| 9255 | 133 # undef acosl |
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134 # if HAVE_RAW_DECL_ACOSL |
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135 _GL_WARN_ON_USE (acosl, "acosl is unportable - " |
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136 "use gnulib module mathl for portability"); |
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137 # endif |
| 9255 | 138 #endif |
| 139 | |
| 9285 | 140 |
| 15881 | 141 #if @GNULIB_ASINF@ |
| 142 # if !@HAVE_ASINF@ | |
| 143 # undef asinf | |
| 144 _GL_FUNCDECL_SYS (asinf, float, (float x)); | |
| 145 # endif | |
| 146 _GL_CXXALIAS_SYS (asinf, float, (float x)); | |
| 147 _GL_CXXALIASWARN (asinf); | |
| 148 #elif defined GNULIB_POSIXCHECK | |
| 149 # undef asinf | |
| 150 # if HAVE_RAW_DECL_ASINF | |
| 151 _GL_WARN_ON_USE (asinf, "asinf is unportable - " | |
| 152 "use gnulib module asinf for portability"); | |
| 153 # endif | |
| 154 #endif | |
| 155 | |
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156 #if @GNULIB_ASINL@ |
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157 # if !@HAVE_ASINL@ || !@HAVE_DECL_ASINL@ |
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158 _GL_FUNCDECL_SYS (asinl, long double, (long double x)); |
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159 # endif |
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160 _GL_CXXALIAS_SYS (asinl, long double, (long double x)); |
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161 _GL_CXXALIASWARN (asinl); |
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162 #elif defined GNULIB_POSIXCHECK |
| 9255 | 163 # undef asinl |
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164 # if HAVE_RAW_DECL_ASINL |
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165 _GL_WARN_ON_USE (asinl, "asinl is unportable - " |
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166 "use gnulib module mathl for portability"); |
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167 # endif |
| 9255 | 168 #endif |
| 169 | |
| 9285 | 170 |
| 15887 | 171 #if @GNULIB_ATANF@ |
| 172 # if !@HAVE_ATANF@ | |
| 173 # undef atanf | |
| 174 _GL_FUNCDECL_SYS (atanf, float, (float x)); | |
| 175 # endif | |
| 176 _GL_CXXALIAS_SYS (atanf, float, (float x)); | |
| 177 _GL_CXXALIASWARN (atanf); | |
| 178 #elif defined GNULIB_POSIXCHECK | |
| 179 # undef atanf | |
| 180 # if HAVE_RAW_DECL_ATANF | |
| 181 _GL_WARN_ON_USE (atanf, "atanf is unportable - " | |
| 182 "use gnulib module atanf for portability"); | |
| 183 # endif | |
| 184 #endif | |
| 185 | |
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186 #if @GNULIB_ATANL@ |
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187 # if !@HAVE_ATANL@ || !@HAVE_DECL_ATANL@ |
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188 _GL_FUNCDECL_SYS (atanl, long double, (long double x)); |
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189 # endif |
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190 _GL_CXXALIAS_SYS (atanl, long double, (long double x)); |
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191 _GL_CXXALIASWARN (atanl); |
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192 #elif defined GNULIB_POSIXCHECK |
| 9255 | 193 # undef atanl |
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194 # if HAVE_RAW_DECL_ATANL |
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195 _GL_WARN_ON_USE (atanl, "atanl is unportable - " |
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196 "use gnulib module mathl for portability"); |
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197 # endif |
| 9255 | 198 #endif |
| 199 | |
| 9285 | 200 |
| 15890 | 201 #if @GNULIB_ATAN2F@ |
| 202 # if !@HAVE_ATAN2F@ | |
| 203 # undef atan2f | |
| 204 _GL_FUNCDECL_SYS (atan2f, float, (float y, float x)); | |
| 205 # endif | |
| 206 _GL_CXXALIAS_SYS (atan2f, float, (float y, float x)); | |
| 207 _GL_CXXALIASWARN (atan2f); | |
| 208 #elif defined GNULIB_POSIXCHECK | |
| 209 # undef atan2f | |
| 210 # if HAVE_RAW_DECL_ATAN2F | |
| 211 _GL_WARN_ON_USE (atan2f, "atan2f is unportable - " | |
| 212 "use gnulib module atan2f for portability"); | |
| 213 # endif | |
| 214 #endif | |
| 215 | |
| 216 | |
| 9295 | 217 #if @GNULIB_CEILF@ |
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218 # if @REPLACE_CEILF@ |
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219 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
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220 # undef ceilf |
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221 # define ceilf rpl_ceilf |
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222 # endif |
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223 _GL_FUNCDECL_RPL (ceilf, float, (float x)); |
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224 _GL_CXXALIAS_RPL (ceilf, float, (float x)); |
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225 # else |
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226 # if !@HAVE_DECL_CEILF@ |
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227 _GL_FUNCDECL_SYS (ceilf, float, (float x)); |
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228 # endif |
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229 _GL_CXXALIAS_SYS (ceilf, float, (float x)); |
| 9295 | 230 # endif |
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231 _GL_CXXALIASWARN (ceilf); |
| 9295 | 232 #elif defined GNULIB_POSIXCHECK |
| 233 # undef ceilf | |
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234 # if HAVE_RAW_DECL_CEILF |
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235 _GL_WARN_ON_USE (ceilf, "ceilf is unportable - " |
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236 "use gnulib module ceilf for portability"); |
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237 # endif |
| 9295 | 238 #endif |
| 239 | |
| 13982 | 240 #if @GNULIB_CEIL@ |
| 241 # if @REPLACE_CEIL@ | |
| 242 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
| 243 # define ceil rpl_ceil | |
| 244 # endif | |
| 245 _GL_FUNCDECL_RPL (ceil, double, (double x)); | |
| 246 _GL_CXXALIAS_RPL (ceil, double, (double x)); | |
| 247 # else | |
| 248 _GL_CXXALIAS_SYS (ceil, double, (double x)); | |
| 249 # endif | |
| 250 _GL_CXXALIASWARN (ceil); | |
| 251 #endif | |
| 252 | |
| 9297 | 253 #if @GNULIB_CEILL@ |
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254 # if @REPLACE_CEILL@ |
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255 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
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256 # undef ceill |
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257 # define ceill rpl_ceill |
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258 # endif |
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259 _GL_FUNCDECL_RPL (ceill, long double, (long double x)); |
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260 _GL_CXXALIAS_RPL (ceill, long double, (long double x)); |
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261 # else |
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262 # if !@HAVE_DECL_CEILL@ |
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263 _GL_FUNCDECL_SYS (ceill, long double, (long double x)); |
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264 # endif |
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265 _GL_CXXALIAS_SYS (ceill, long double, (long double x)); |
| 9297 | 266 # endif |
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267 _GL_CXXALIASWARN (ceill); |
| 9297 | 268 #elif defined GNULIB_POSIXCHECK |
| 9255 | 269 # undef ceill |
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270 # if HAVE_RAW_DECL_CEILL |
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271 _GL_WARN_ON_USE (ceill, "ceill is unportable - " |
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272 "use gnulib module ceill for portability"); |
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273 # endif |
| 9255 | 274 #endif |
| 275 | |
| 9285 | 276 |
| 15875 | 277 #if @GNULIB_COSF@ |
| 278 # if !@HAVE_COSF@ | |
| 279 # undef cosf | |
| 280 _GL_FUNCDECL_SYS (cosf, float, (float x)); | |
| 281 # endif | |
| 282 _GL_CXXALIAS_SYS (cosf, float, (float x)); | |
| 283 _GL_CXXALIASWARN (cosf); | |
| 284 #elif defined GNULIB_POSIXCHECK | |
| 285 # undef cosf | |
| 286 # if HAVE_RAW_DECL_COSF | |
| 287 _GL_WARN_ON_USE (cosf, "cosf is unportable - " | |
| 288 "use gnulib module cosf for portability"); | |
| 289 # endif | |
| 290 #endif | |
| 291 | |
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292 #if @GNULIB_COSL@ |
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293 # if !@HAVE_COSL@ || !@HAVE_DECL_COSL@ |
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294 _GL_FUNCDECL_SYS (cosl, long double, (long double x)); |
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295 # endif |
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296 _GL_CXXALIAS_SYS (cosl, long double, (long double x)); |
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297 _GL_CXXALIASWARN (cosl); |
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298 #elif defined GNULIB_POSIXCHECK |
| 9255 | 299 # undef cosl |
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300 # if HAVE_RAW_DECL_COSL |
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301 _GL_WARN_ON_USE (cosl, "cosl is unportable - " |
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302 "use gnulib module mathl for portability"); |
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303 # endif |
| 9255 | 304 #endif |
| 305 | |
| 9285 | 306 |
| 15860 | 307 #if @GNULIB_EXPF@ |
| 308 # if !@HAVE_EXPF@ | |
| 309 # undef expf | |
| 310 _GL_FUNCDECL_SYS (expf, float, (float x)); | |
| 311 # endif | |
| 312 _GL_CXXALIAS_SYS (expf, float, (float x)); | |
| 313 _GL_CXXALIASWARN (expf); | |
| 314 #elif defined GNULIB_POSIXCHECK | |
| 315 # undef expf | |
| 316 # if HAVE_RAW_DECL_EXPF | |
| 317 _GL_WARN_ON_USE (expf, "expf is unportable - " | |
| 318 "use gnulib module expf for portability"); | |
| 319 # endif | |
| 320 #endif | |
| 321 | |
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322 #if @GNULIB_EXPL@ |
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323 # if !@HAVE_EXPL@ || !@HAVE_DECL_EXPL@ |
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324 _GL_FUNCDECL_SYS (expl, long double, (long double x)); |
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325 # endif |
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326 _GL_CXXALIAS_SYS (expl, long double, (long double x)); |
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327 _GL_CXXALIASWARN (expl); |
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328 #elif defined GNULIB_POSIXCHECK |
| 9255 | 329 # undef expl |
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330 # if HAVE_RAW_DECL_EXPL |
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331 _GL_WARN_ON_USE (expl, "expl is unportable - " |
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332 "use gnulib module mathl for portability"); |
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333 # endif |
| 9255 | 334 #endif |
| 335 | |
| 9285 | 336 |
| 15828 | 337 #if @GNULIB_FABSF@ |
| 338 # if !@HAVE_FABSF@ | |
| 339 # undef fabsf | |
| 340 _GL_FUNCDECL_SYS (fabsf, float, (float x)); | |
| 341 # endif | |
| 342 _GL_CXXALIAS_SYS (fabsf, float, (float x)); | |
| 343 _GL_CXXALIASWARN (fabsf); | |
| 344 #elif defined GNULIB_POSIXCHECK | |
| 345 # undef fabsf | |
| 346 # if HAVE_RAW_DECL_FABSF | |
| 347 _GL_WARN_ON_USE (fabsf, "fabsf is unportable - " | |
| 348 "use gnulib module fabsf for portability"); | |
| 349 # endif | |
| 350 #endif | |
| 351 | |
| 352 | |
| 9291 | 353 #if @GNULIB_FLOORF@ |
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354 # if @REPLACE_FLOORF@ |
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355 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
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356 # undef floorf |
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357 # define floorf rpl_floorf |
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358 # endif |
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359 _GL_FUNCDECL_RPL (floorf, float, (float x)); |
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360 _GL_CXXALIAS_RPL (floorf, float, (float x)); |
| 13973 | 361 # else |
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362 # if !@HAVE_DECL_FLOORF@ |
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363 _GL_FUNCDECL_SYS (floorf, float, (float x)); |
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364 # endif |
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365 _GL_CXXALIAS_SYS (floorf, float, (float x)); |
| 9291 | 366 # endif |
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367 _GL_CXXALIASWARN (floorf); |
| 9291 | 368 #elif defined GNULIB_POSIXCHECK |
| 369 # undef floorf | |
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370 # if HAVE_RAW_DECL_FLOORF |
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371 _GL_WARN_ON_USE (floorf, "floorf is unportable - " |
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372 "use gnulib module floorf for portability"); |
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373 # endif |
| 9291 | 374 #endif |
| 375 | |
| 13981 | 376 #if @GNULIB_FLOOR@ |
| 377 # if @REPLACE_FLOOR@ | |
| 378 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
| 379 # define floor rpl_floor | |
| 380 # endif | |
| 381 _GL_FUNCDECL_RPL (floor, double, (double x)); | |
| 382 _GL_CXXALIAS_RPL (floor, double, (double x)); | |
| 383 # else | |
| 384 _GL_CXXALIAS_SYS (floor, double, (double x)); | |
| 385 # endif | |
| 386 _GL_CXXALIASWARN (floor); | |
| 387 #endif | |
| 388 | |
| 9293 | 389 #if @GNULIB_FLOORL@ |
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390 # if @REPLACE_FLOORL@ |
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391 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
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392 # undef floorl |
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393 # define floorl rpl_floorl |
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394 # endif |
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395 _GL_FUNCDECL_RPL (floorl, long double, (long double x)); |
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396 _GL_CXXALIAS_RPL (floorl, long double, (long double x)); |
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397 # else |
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398 # if !@HAVE_DECL_FLOORL@ |
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399 _GL_FUNCDECL_SYS (floorl, long double, (long double x)); |
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400 # endif |
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401 _GL_CXXALIAS_SYS (floorl, long double, (long double x)); |
| 9293 | 402 # endif |
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403 _GL_CXXALIASWARN (floorl); |
| 9293 | 404 #elif defined GNULIB_POSIXCHECK |
| 9255 | 405 # undef floorl |
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406 # if HAVE_RAW_DECL_FLOORL |
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407 _GL_WARN_ON_USE (floorl, "floorl is unportable - " |
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408 "use gnulib module floorl for portability"); |
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409 # endif |
| 9255 | 410 #endif |
| 411 | |
| 9285 | 412 |
| 15832 | 413 #if @GNULIB_FMODF@ |
| 414 # if !@HAVE_FMODF@ | |
| 415 # undef fmodf | |
| 416 _GL_FUNCDECL_SYS (fmodf, float, (float x, float y)); | |
| 417 # endif | |
| 418 _GL_CXXALIAS_SYS (fmodf, float, (float x, float y)); | |
| 419 _GL_CXXALIASWARN (fmodf); | |
| 420 #elif defined GNULIB_POSIXCHECK | |
| 421 # undef fmodf | |
| 422 # if HAVE_RAW_DECL_FMODF | |
| 423 _GL_WARN_ON_USE (fmodf, "fmodf is unportable - " | |
| 424 "use gnulib module fmodf for portability"); | |
| 425 # endif | |
| 426 #endif | |
| 427 | |
| 428 | |
| 9255 | 429 /* Write x as |
| 430 x = mantissa * 2^exp | |
| 431 where | |
| 432 If x finite and nonzero: 0.5 <= |mantissa| < 1.0. | |
| 433 If x is zero: mantissa = x, exp = 0. | |
| 434 If x is infinite or NaN: mantissa = x, exp unspecified. | |
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435 Store exp in *EXPPTR and return mantissa. */ |
| 15841 | 436 #if @GNULIB_FREXPF@ |
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437 # if @REPLACE_FREXPF@ |
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438 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
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439 # undef frexpf |
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440 # define frexpf rpl_frexpf |
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441 # endif |
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442 _GL_FUNCDECL_RPL (frexpf, float, (float x, int *expptr) _GL_ARG_NONNULL ((2))); |
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443 _GL_CXXALIAS_RPL (frexpf, float, (float x, int *expptr)); |
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444 # else |
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445 # if !@HAVE_FREXPF@ |
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446 # undef frexpf |
| 15841 | 447 _GL_FUNCDECL_SYS (frexpf, float, (float x, int *expptr) _GL_ARG_NONNULL ((2))); |
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448 # endif |
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449 _GL_CXXALIAS_SYS (frexpf, float, (float x, int *expptr)); |
| 15841 | 450 # endif |
| 451 _GL_CXXALIASWARN (frexpf); | |
| 452 #elif defined GNULIB_POSIXCHECK | |
| 453 # undef frexpf | |
| 454 # if HAVE_RAW_DECL_FREXPF | |
| 455 _GL_WARN_ON_USE (frexpf, "frexpf is unportable - " | |
| 456 "use gnulib module frexpf for portability"); | |
| 457 # endif | |
| 458 #endif | |
| 459 | |
| 460 /* Write x as | |
| 461 x = mantissa * 2^exp | |
| 462 where | |
| 463 If x finite and nonzero: 0.5 <= |mantissa| < 1.0. | |
| 464 If x is zero: mantissa = x, exp = 0. | |
| 465 If x is infinite or NaN: mantissa = x, exp unspecified. | |
| 466 Store exp in *EXPPTR and return mantissa. */ | |
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467 #if @GNULIB_FREXP@ |
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468 # if @REPLACE_FREXP@ |
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469 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
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470 # define frexp rpl_frexp |
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471 # endif |
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472 _GL_FUNCDECL_RPL (frexp, double, (double x, int *expptr) _GL_ARG_NONNULL ((2))); |
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473 _GL_CXXALIAS_RPL (frexp, double, (double x, int *expptr)); |
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474 # else |
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475 _GL_CXXALIAS_SYS (frexp, double, (double x, int *expptr)); |
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476 # endif |
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477 _GL_CXXALIASWARN (frexp); |
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478 #elif defined GNULIB_POSIXCHECK |
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479 # undef frexp |
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480 /* Assume frexp is always declared. */ |
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481 _GL_WARN_ON_USE (frexp, "frexp is unportable - " |
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482 "use gnulib module frexp for portability"); |
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483 #endif |
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484 |
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485 /* Write x as |
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486 x = mantissa * 2^exp |
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487 where |
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488 If x finite and nonzero: 0.5 <= |mantissa| < 1.0. |
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489 If x is zero: mantissa = x, exp = 0. |
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490 If x is infinite or NaN: mantissa = x, exp unspecified. |
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491 Store exp in *EXPPTR and return mantissa. */ |
| 9255 | 492 #if @GNULIB_FREXPL@ && @REPLACE_FREXPL@ |
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493 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
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494 # undef frexpl |
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495 # define frexpl rpl_frexpl |
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496 # endif |
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497 _GL_FUNCDECL_RPL (frexpl, long double, |
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498 (long double x, int *expptr) _GL_ARG_NONNULL ((2))); |
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499 _GL_CXXALIAS_RPL (frexpl, long double, (long double x, int *expptr)); |
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500 #else |
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501 # if !@HAVE_DECL_FREXPL@ |
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502 _GL_FUNCDECL_SYS (frexpl, long double, |
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503 (long double x, int *expptr) _GL_ARG_NONNULL ((2))); |
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504 # endif |
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505 # if @GNULIB_FREXPL@ |
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506 _GL_CXXALIAS_SYS (frexpl, long double, (long double x, int *expptr)); |
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507 # endif |
| 9255 | 508 #endif |
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509 #if @GNULIB_FREXPL@ && !(@REPLACE_FREXPL@ && !@HAVE_DECL_FREXPL@) |
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510 _GL_CXXALIASWARN (frexpl); |
| 9255 | 511 #endif |
| 512 #if !@GNULIB_FREXPL@ && defined GNULIB_POSIXCHECK | |
| 513 # undef frexpl | |
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514 # if HAVE_RAW_DECL_FREXPL |
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515 _GL_WARN_ON_USE (frexpl, "frexpl is unportable - " |
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516 "use gnulib module frexpl for portability"); |
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517 # endif |
| 9255 | 518 #endif |
| 519 | |
| 9285 | 520 |
| 9255 | 521 /* Return x * 2^exp. */ |
| 15847 | 522 #if @GNULIB_LDEXPF@ |
| 523 # if !@HAVE_LDEXPF@ | |
| 524 # undef ldexpf | |
| 525 _GL_FUNCDECL_SYS (ldexpf, float, (float x, int exp)); | |
| 526 # endif | |
| 527 _GL_CXXALIAS_SYS (ldexpf, float, (float x, int exp)); | |
| 528 _GL_CXXALIASWARN (ldexpf); | |
| 529 #elif defined GNULIB_POSIXCHECK | |
| 530 # undef ldexpf | |
| 531 # if HAVE_RAW_DECL_LDEXPF | |
| 532 _GL_WARN_ON_USE (ldexpf, "ldexpf is unportable - " | |
| 533 "use gnulib module ldexpf for portability"); | |
| 534 # endif | |
| 535 #endif | |
| 536 | |
| 537 /* Return x * 2^exp. */ | |
| 9255 | 538 #if @GNULIB_LDEXPL@ && @REPLACE_LDEXPL@ |
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539 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
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540 # undef ldexpl |
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541 # define ldexpl rpl_ldexpl |
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542 # endif |
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543 _GL_FUNCDECL_RPL (ldexpl, long double, (long double x, int exp)); |
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544 _GL_CXXALIAS_RPL (ldexpl, long double, (long double x, int exp)); |
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545 #else |
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546 # if !@HAVE_DECL_LDEXPL@ |
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547 _GL_FUNCDECL_SYS (ldexpl, long double, (long double x, int exp)); |
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548 # endif |
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549 # if @GNULIB_LDEXPL@ |
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550 _GL_CXXALIAS_SYS (ldexpl, long double, (long double x, int exp)); |
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551 # endif |
| 9255 | 552 #endif |
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553 #if @GNULIB_LDEXPL@ |
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554 _GL_CXXALIASWARN (ldexpl); |
| 9255 | 555 #endif |
| 556 #if !@GNULIB_LDEXPL@ && defined GNULIB_POSIXCHECK | |
| 557 # undef ldexpl | |
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558 # if HAVE_RAW_DECL_LDEXPL |
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559 _GL_WARN_ON_USE (ldexpl, "ldexpl is unportable - " |
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560 "use gnulib module ldexpl for portability"); |
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561 # endif |
| 9255 | 562 #endif |
| 563 | |
| 9285 | 564 |
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565 #if @GNULIB_LOGB@ |
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566 # if !@HAVE_DECL_LOGB@ |
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567 _GL_EXTERN_C double logb (double x); |
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568 # endif |
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569 #elif defined GNULIB_POSIXCHECK |
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570 # undef logb |
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571 # if HAVE_RAW_DECL_LOGB |
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572 _GL_WARN_ON_USE (logb, "logb is unportable - " |
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573 "use gnulib module logb for portability"); |
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574 # endif |
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575 #endif |
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576 |
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577 |
| 15863 | 578 #if @GNULIB_LOGF@ |
| 579 # if !@HAVE_LOGF@ | |
| 580 # undef logf | |
| 581 _GL_FUNCDECL_SYS (logf, float, (float x)); | |
| 582 # endif | |
| 583 _GL_CXXALIAS_SYS (logf, float, (float x)); | |
| 584 _GL_CXXALIASWARN (logf); | |
| 585 #elif defined GNULIB_POSIXCHECK | |
| 586 # undef logf | |
| 587 # if HAVE_RAW_DECL_LOGF | |
| 588 _GL_WARN_ON_USE (logf, "logf is unportable - " | |
| 589 "use gnulib module logf for portability"); | |
| 590 # endif | |
| 591 #endif | |
| 592 | |
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593 #if @GNULIB_LOGL@ |
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594 # if !@HAVE_LOGL@ || !@HAVE_DECL_LOGL@ |
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595 _GL_FUNCDECL_SYS (logl, long double, (long double x)); |
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596 # endif |
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597 _GL_CXXALIAS_SYS (logl, long double, (long double x)); |
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598 _GL_CXXALIASWARN (logl); |
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599 #elif defined GNULIB_POSIXCHECK |
| 9255 | 600 # undef logl |
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601 # if HAVE_RAW_DECL_LOGL |
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602 _GL_WARN_ON_USE (logl, "logl is unportable - " |
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603 "use gnulib module mathl for portability"); |
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604 # endif |
| 9255 | 605 #endif |
| 606 | |
| 9285 | 607 |
| 15866 | 608 #if @GNULIB_LOG10F@ |
| 609 # if !@HAVE_LOG10F@ | |
| 610 # undef log10f | |
| 611 _GL_FUNCDECL_SYS (log10f, float, (float x)); | |
| 612 # endif | |
| 613 _GL_CXXALIAS_SYS (log10f, float, (float x)); | |
| 614 _GL_CXXALIASWARN (log10f); | |
| 615 #elif defined GNULIB_POSIXCHECK | |
| 616 # undef log10f | |
| 617 # if HAVE_RAW_DECL_LOG10F | |
| 618 _GL_WARN_ON_USE (log10f, "log10f is unportable - " | |
| 619 "use gnulib module log10f for portability"); | |
| 620 # endif | |
| 621 #endif | |
| 622 | |
| 623 | |
| 15838 | 624 #if @GNULIB_MODFF@ |
| 625 # if !@HAVE_MODFF@ | |
| 626 # undef modff | |
| 627 _GL_FUNCDECL_SYS (modff, float, (float x, float *iptr) _GL_ARG_NONNULL ((2))); | |
| 628 # endif | |
| 629 _GL_CXXALIAS_SYS (modff, float, (float x, float *iptr)); | |
| 630 _GL_CXXALIASWARN (modff); | |
| 631 #elif defined GNULIB_POSIXCHECK | |
| 632 # undef modff | |
| 633 # if HAVE_RAW_DECL_MODFF | |
| 634 _GL_WARN_ON_USE (modff, "modff is unportable - " | |
| 635 "use gnulib module modff for portability"); | |
| 636 # endif | |
| 637 #endif | |
| 638 | |
| 639 | |
| 15869 | 640 #if @GNULIB_POWF@ |
| 641 # if !@HAVE_POWF@ | |
| 642 # undef powf | |
| 643 _GL_FUNCDECL_SYS (powf, float, (float x, float y)); | |
| 644 # endif | |
| 645 _GL_CXXALIAS_SYS (powf, float, (float x, float y)); | |
| 646 _GL_CXXALIASWARN (powf); | |
| 647 #elif defined GNULIB_POSIXCHECK | |
| 648 # undef powf | |
| 649 # if HAVE_RAW_DECL_POWF | |
| 650 _GL_WARN_ON_USE (powf, "powf is unportable - " | |
| 651 "use gnulib module powf for portability"); | |
| 652 # endif | |
| 653 #endif | |
| 654 | |
| 655 | |
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656 #if @GNULIB_ROUNDF@ |
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657 # if @REPLACE_ROUNDF@ |
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658 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
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659 # undef roundf |
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660 # define roundf rpl_roundf |
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661 # endif |
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662 _GL_FUNCDECL_RPL (roundf, float, (float x)); |
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663 _GL_CXXALIAS_RPL (roundf, float, (float x)); |
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664 # else |
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665 # if !@HAVE_DECL_ROUNDF@ |
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666 _GL_FUNCDECL_SYS (roundf, float, (float x)); |
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667 # endif |
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668 _GL_CXXALIAS_SYS (roundf, float, (float x)); |
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669 # endif |
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670 _GL_CXXALIASWARN (roundf); |
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671 #elif defined GNULIB_POSIXCHECK |
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672 # undef roundf |
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673 # if HAVE_RAW_DECL_ROUNDF |
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674 _GL_WARN_ON_USE (roundf, "roundf is unportable - " |
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675 "use gnulib module roundf for portability"); |
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676 # endif |
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677 #endif |
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678 |
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679 #if @GNULIB_ROUND@ |
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680 # if @REPLACE_ROUND@ |
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681 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
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682 # undef round |
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683 # define round rpl_round |
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684 # endif |
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685 _GL_FUNCDECL_RPL (round, double, (double x)); |
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686 _GL_CXXALIAS_RPL (round, double, (double x)); |
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687 # else |
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688 # if !@HAVE_DECL_ROUND@ |
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689 _GL_FUNCDECL_SYS (round, double, (double x)); |
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690 # endif |
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691 _GL_CXXALIAS_SYS (round, double, (double x)); |
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692 # endif |
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693 _GL_CXXALIASWARN (round); |
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694 #elif defined GNULIB_POSIXCHECK |
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695 # undef round |
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696 # if HAVE_RAW_DECL_ROUND |
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697 _GL_WARN_ON_USE (round, "round is unportable - " |
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698 "use gnulib module round for portability"); |
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699 # endif |
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700 #endif |
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701 |
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702 #if @GNULIB_ROUNDL@ |
|
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703 # if @REPLACE_ROUNDL@ |
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704 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
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705 # undef roundl |
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706 # define roundl rpl_roundl |
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707 # endif |
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708 _GL_FUNCDECL_RPL (roundl, long double, (long double x)); |
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709 _GL_CXXALIAS_RPL (roundl, long double, (long double x)); |
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710 # else |
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711 # if !@HAVE_DECL_ROUNDL@ |
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712 _GL_FUNCDECL_SYS (roundl, long double, (long double x)); |
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713 # endif |
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|
714 _GL_CXXALIAS_SYS (roundl, long double, (long double x)); |
|
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715 # endif |
|
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|
716 _GL_CXXALIASWARN (roundl); |
|
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|
717 #elif defined GNULIB_POSIXCHECK |
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718 # undef roundl |
|
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|
719 # if HAVE_RAW_DECL_ROUNDL |
|
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720 _GL_WARN_ON_USE (roundl, "roundl is unportable - " |
|
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721 "use gnulib module roundl for portability"); |
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722 # endif |
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|
723 #endif |
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|
724 |
|
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|
725 |
| 15872 | 726 #if @GNULIB_SINF@ |
| 727 # if !@HAVE_SINF@ | |
| 728 # undef sinf | |
| 729 _GL_FUNCDECL_SYS (sinf, float, (float x)); | |
| 730 # endif | |
| 731 _GL_CXXALIAS_SYS (sinf, float, (float x)); | |
| 732 _GL_CXXALIASWARN (sinf); | |
| 733 #elif defined GNULIB_POSIXCHECK | |
| 734 # undef sinf | |
| 735 # if HAVE_RAW_DECL_SINF | |
| 736 _GL_WARN_ON_USE (sinf, "sinf is unportable - " | |
| 737 "use gnulib module sinf for portability"); | |
| 738 # endif | |
| 739 #endif | |
| 740 | |
|
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741 #if @GNULIB_SINL@ |
|
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|
742 # if !@HAVE_SINL@ || !@HAVE_DECL_SINL@ |
|
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743 _GL_FUNCDECL_SYS (sinl, long double, (long double x)); |
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744 # endif |
|
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745 _GL_CXXALIAS_SYS (sinl, long double, (long double x)); |
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|
746 _GL_CXXALIASWARN (sinl); |
|
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|
747 #elif defined GNULIB_POSIXCHECK |
| 9255 | 748 # undef sinl |
|
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|
749 # if HAVE_RAW_DECL_SINL |
|
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|
750 _GL_WARN_ON_USE (sinl, "sinl is unportable - " |
|
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751 "use gnulib module mathl for portability"); |
|
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|
752 # endif |
| 9255 | 753 #endif |
| 754 | |
| 9285 | 755 |
| 15893 | 756 #if @GNULIB_SINHF@ |
| 757 # if !@HAVE_SINHF@ | |
| 758 # undef sinhf | |
| 759 _GL_FUNCDECL_SYS (sinhf, float, (float x)); | |
| 760 # endif | |
| 761 _GL_CXXALIAS_SYS (sinhf, float, (float x)); | |
| 762 _GL_CXXALIASWARN (sinhf); | |
| 763 #elif defined GNULIB_POSIXCHECK | |
| 764 # undef sinhf | |
| 765 # if HAVE_RAW_DECL_SINHF | |
| 766 _GL_WARN_ON_USE (sinhf, "sinhf is unportable - " | |
| 767 "use gnulib module sinhf for portability"); | |
| 768 # endif | |
| 769 #endif | |
| 770 | |
| 771 | |
| 15857 | 772 #if @GNULIB_SQRTF@ |
| 773 # if !@HAVE_SQRTF@ | |
| 774 # undef sqrtf | |
| 775 _GL_FUNCDECL_SYS (sqrtf, float, (float x)); | |
| 776 # endif | |
| 777 _GL_CXXALIAS_SYS (sqrtf, float, (float x)); | |
| 778 _GL_CXXALIASWARN (sqrtf); | |
| 779 #elif defined GNULIB_POSIXCHECK | |
| 780 # undef sqrtf | |
| 781 # if HAVE_RAW_DECL_SQRTF | |
| 782 _GL_WARN_ON_USE (sqrtf, "sqrtf is unportable - " | |
| 783 "use gnulib module sqrtf for portability"); | |
| 784 # endif | |
| 785 #endif | |
| 786 | |
|
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|
787 #if @GNULIB_SQRTL@ |
|
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|
788 # if !@HAVE_SQRTL@ || !@HAVE_DECL_SQRTL@ |
|
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|
789 _GL_FUNCDECL_SYS (sqrtl, long double, (long double x)); |
|
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|
790 # endif |
|
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791 _GL_CXXALIAS_SYS (sqrtl, long double, (long double x)); |
|
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792 _GL_CXXALIASWARN (sqrtl); |
|
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|
793 #elif defined GNULIB_POSIXCHECK |
| 9255 | 794 # undef sqrtl |
|
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|
795 # if HAVE_RAW_DECL_SQRTL |
|
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|
796 _GL_WARN_ON_USE (sqrtl, "sqrtl is unportable - " |
|
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|
797 "use gnulib module mathl for portability"); |
|
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|
798 # endif |
| 9255 | 799 #endif |
| 800 | |
| 9285 | 801 |
| 15878 | 802 #if @GNULIB_TANF@ |
| 803 # if !@HAVE_TANF@ | |
| 804 # undef tanf | |
| 805 _GL_FUNCDECL_SYS (tanf, float, (float x)); | |
| 806 # endif | |
| 807 _GL_CXXALIAS_SYS (tanf, float, (float x)); | |
| 808 _GL_CXXALIASWARN (tanf); | |
| 809 #elif defined GNULIB_POSIXCHECK | |
| 810 # undef tanf | |
| 811 # if HAVE_RAW_DECL_TANF | |
| 812 _GL_WARN_ON_USE (tanf, "tanf is unportable - " | |
| 813 "use gnulib module tanf for portability"); | |
| 814 # endif | |
| 815 #endif | |
| 816 | |
|
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|
817 #if @GNULIB_TANL@ |
|
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|
818 # if !@HAVE_TANL@ || !@HAVE_DECL_TANL@ |
|
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|
819 _GL_FUNCDECL_SYS (tanl, long double, (long double x)); |
|
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|
820 # endif |
|
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|
821 _GL_CXXALIAS_SYS (tanl, long double, (long double x)); |
|
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|
822 _GL_CXXALIASWARN (tanl); |
|
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changeset
|
823 #elif defined GNULIB_POSIXCHECK |
| 9255 | 824 # undef tanl |
|
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|
825 # if HAVE_RAW_DECL_TANL |
|
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|
826 _GL_WARN_ON_USE (tanl, "tanl is unportable - " |
|
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|
827 "use gnulib module mathl for portability"); |
|
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|
828 # endif |
| 9255 | 829 #endif |
| 830 | |
| 9285 | 831 |
| 832 #if @GNULIB_TRUNCF@ | |
| 13979 | 833 # if @REPLACE_TRUNCF@ |
| 834 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
| 835 # define truncf rpl_truncf | |
| 836 # endif | |
| 837 _GL_FUNCDECL_RPL (truncf, float, (float x)); | |
| 838 _GL_CXXALIAS_RPL (truncf, float, (float x)); | |
| 839 # else | |
| 840 # if !@HAVE_DECL_TRUNCF@ | |
|
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|
841 _GL_FUNCDECL_SYS (truncf, float, (float x)); |
| 13979 | 842 # endif |
| 843 _GL_CXXALIAS_SYS (truncf, float, (float x)); | |
|
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|
844 # endif |
|
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|
845 _GL_CXXALIASWARN (truncf); |
| 9285 | 846 #elif defined GNULIB_POSIXCHECK |
| 847 # undef truncf | |
|
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|
848 # if HAVE_RAW_DECL_TRUNCF |
|
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|
849 _GL_WARN_ON_USE (truncf, "truncf is unportable - " |
|
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|
850 "use gnulib module truncf for portability"); |
|
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|
851 # endif |
| 9285 | 852 #endif |
| 853 | |
| 9282 | 854 #if @GNULIB_TRUNC@ |
| 13983 | 855 # if @REPLACE_TRUNC@ |
| 856 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
| 857 # define trunc rpl_trunc | |
| 858 # endif | |
| 859 _GL_FUNCDECL_RPL (trunc, double, (double x)); | |
| 860 _GL_CXXALIAS_RPL (trunc, double, (double x)); | |
| 861 # else | |
| 862 # if !@HAVE_DECL_TRUNC@ | |
|
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|
863 _GL_FUNCDECL_SYS (trunc, double, (double x)); |
| 13983 | 864 # endif |
| 865 _GL_CXXALIAS_SYS (trunc, double, (double x)); | |
|
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|
866 # endif |
|
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|
867 _GL_CXXALIASWARN (trunc); |
| 9282 | 868 #elif defined GNULIB_POSIXCHECK |
| 869 # undef trunc | |
|
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|
870 # if HAVE_RAW_DECL_TRUNC |
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871 _GL_WARN_ON_USE (trunc, "trunc is unportable - " |
|
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872 "use gnulib module trunc for portability"); |
|
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|
873 # endif |
| 9282 | 874 #endif |
| 875 | |
| 9287 | 876 #if @GNULIB_TRUNCL@ |
|
9913
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|
877 # if @REPLACE_TRUNCL@ |
|
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878 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
|
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|
879 # undef truncl |
|
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880 # define truncl rpl_truncl |
|
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881 # endif |
|
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|
882 _GL_FUNCDECL_RPL (truncl, long double, (long double x)); |
|
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|
883 _GL_CXXALIAS_RPL (truncl, long double, (long double x)); |
|
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|
884 # else |
|
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|
885 # if !@HAVE_DECL_TRUNCL@ |
|
6b79b839590c
math: Fix some C++ test errors on Cygwin.
Bruno Haible <bruno@clisp.org>
parents:
13094
diff
changeset
|
886 _GL_FUNCDECL_SYS (truncl, long double, (long double x)); |
|
6b79b839590c
math: Fix some C++ test errors on Cygwin.
Bruno Haible <bruno@clisp.org>
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13094
diff
changeset
|
887 # endif |
|
12936
9be4aca41cee
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12927
diff
changeset
|
888 _GL_CXXALIAS_SYS (truncl, long double, (long double x)); |
| 9287 | 889 # endif |
|
12936
9be4aca41cee
math: Avoid #define replacements in C++ mode.
Bruno Haible <bruno@clisp.org>
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12927
diff
changeset
|
890 _GL_CXXALIASWARN (truncl); |
| 9287 | 891 #elif defined GNULIB_POSIXCHECK |
| 892 # undef truncl | |
|
12766
2c14f1e449e5
warn-on-use: use instead of link-warning
Eric Blake <ebb9@byu.net>
parents:
12752
diff
changeset
|
893 # if HAVE_RAW_DECL_TRUNCL |
|
2c14f1e449e5
warn-on-use: use instead of link-warning
Eric Blake <ebb9@byu.net>
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12752
diff
changeset
|
894 _GL_WARN_ON_USE (truncl, "truncl is unportable - " |
|
2c14f1e449e5
warn-on-use: use instead of link-warning
Eric Blake <ebb9@byu.net>
parents:
12752
diff
changeset
|
895 "use gnulib module truncl for portability"); |
|
2c14f1e449e5
warn-on-use: use instead of link-warning
Eric Blake <ebb9@byu.net>
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12752
diff
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|
896 # endif |
| 9287 | 897 #endif |
| 898 | |
|
9418
5e7b33ec70ff
Add/remove some blank lines.
Bruno Haible <bruno@clisp.org>
parents:
9414
diff
changeset
|
899 |
|
15840
61fe30185561
math: Sort function declarations of math.in.h.
Bruno Haible <bruno@clisp.org>
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15838
diff
changeset
|
900 /* Definitions of function-like macros come here, after the function |
|
61fe30185561
math: Sort function declarations of math.in.h.
Bruno Haible <bruno@clisp.org>
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15838
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|
901 declarations. */ |
|
61fe30185561
math: Sort function declarations of math.in.h.
Bruno Haible <bruno@clisp.org>
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15838
diff
changeset
|
902 |
|
61fe30185561
math: Sort function declarations of math.in.h.
Bruno Haible <bruno@clisp.org>
parents:
15838
diff
changeset
|
903 |
|
9414
1c5d0b856e8b
Implement 'isfinite' module.
Ben Pfaff <blp@cs.stanford.edu>
parents:
9413
diff
changeset
|
904 #if @GNULIB_ISFINITE@ |
|
9423
fa47aa8bb105
Use REPLACE_ISFINITE instead of HAVE_DECL_ISFINITE.
Bruno Haible <bruno@clisp.org>
parents:
9420
diff
changeset
|
905 # if @REPLACE_ISFINITE@ |
|
12936
9be4aca41cee
math: Avoid #define replacements in C++ mode.
Bruno Haible <bruno@clisp.org>
parents:
12927
diff
changeset
|
906 _GL_EXTERN_C int gl_isfinitef (float x); |
|
9be4aca41cee
math: Avoid #define replacements in C++ mode.
Bruno Haible <bruno@clisp.org>
parents:
12927
diff
changeset
|
907 _GL_EXTERN_C int gl_isfinited (double x); |
|
9be4aca41cee
math: Avoid #define replacements in C++ mode.
Bruno Haible <bruno@clisp.org>
parents:
12927
diff
changeset
|
908 _GL_EXTERN_C int gl_isfinitel (long double x); |
|
9414
1c5d0b856e8b
Implement 'isfinite' module.
Ben Pfaff <blp@cs.stanford.edu>
parents:
9413
diff
changeset
|
909 # undef isfinite |
|
1c5d0b856e8b
Implement 'isfinite' module.
Ben Pfaff <blp@cs.stanford.edu>
parents:
9413
diff
changeset
|
910 # define isfinite(x) \ |
|
1c5d0b856e8b
Implement 'isfinite' module.
Ben Pfaff <blp@cs.stanford.edu>
parents:
9413
diff
changeset
|
911 (sizeof (x) == sizeof (long double) ? gl_isfinitel (x) : \ |
|
1c5d0b856e8b
Implement 'isfinite' module.
Ben Pfaff <blp@cs.stanford.edu>
parents:
9413
diff
changeset
|
912 sizeof (x) == sizeof (double) ? gl_isfinited (x) : \ |
|
1c5d0b856e8b
Implement 'isfinite' module.
Ben Pfaff <blp@cs.stanford.edu>
parents:
9413
diff
changeset
|
913 gl_isfinitef (x)) |
|
1c5d0b856e8b
Implement 'isfinite' module.
Ben Pfaff <blp@cs.stanford.edu>
parents:
9413
diff
changeset
|
914 # endif |
|
1c5d0b856e8b
Implement 'isfinite' module.
Ben Pfaff <blp@cs.stanford.edu>
parents:
9413
diff
changeset
|
915 #elif defined GNULIB_POSIXCHECK |
|
12726
d6da6e5f2f62
math: add portability warnings for classification macros
Eric Blake <ebb9@byu.net>
parents:
12559
diff
changeset
|
916 # if defined isfinite |
|
d6da6e5f2f62
math: add portability warnings for classification macros
Eric Blake <ebb9@byu.net>
parents:
12559
diff
changeset
|
917 _GL_WARN_REAL_FLOATING_DECL (isfinite); |
|
d6da6e5f2f62
math: add portability warnings for classification macros
Eric Blake <ebb9@byu.net>
parents:
12559
diff
changeset
|
918 # undef isfinite |
|
d6da6e5f2f62
math: add portability warnings for classification macros
Eric Blake <ebb9@byu.net>
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12559
diff
changeset
|
919 # define isfinite(x) _GL_WARN_REAL_FLOATING_IMPL (isfinite, x) |
|
d6da6e5f2f62
math: add portability warnings for classification macros
Eric Blake <ebb9@byu.net>
parents:
12559
diff
changeset
|
920 # endif |
|
9414
1c5d0b856e8b
Implement 'isfinite' module.
Ben Pfaff <blp@cs.stanford.edu>
parents:
9413
diff
changeset
|
921 #endif |
| 9255 | 922 |
|
9418
5e7b33ec70ff
Add/remove some blank lines.
Bruno Haible <bruno@clisp.org>
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9414
diff
changeset
|
923 |
| 10287 | 924 #if @GNULIB_ISINF@ |
| 925 # if @REPLACE_ISINF@ | |
|
12936
9be4aca41cee
math: Avoid #define replacements in C++ mode.
Bruno Haible <bruno@clisp.org>
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12927
diff
changeset
|
926 _GL_EXTERN_C int gl_isinff (float x); |
|
9be4aca41cee
math: Avoid #define replacements in C++ mode.
Bruno Haible <bruno@clisp.org>
parents:
12927
diff
changeset
|
927 _GL_EXTERN_C int gl_isinfd (double x); |
|
9be4aca41cee
math: Avoid #define replacements in C++ mode.
Bruno Haible <bruno@clisp.org>
parents:
12927
diff
changeset
|
928 _GL_EXTERN_C int gl_isinfl (long double x); |
| 10287 | 929 # undef isinf |
| 930 # define isinf(x) \ | |
| 931 (sizeof (x) == sizeof (long double) ? gl_isinfl (x) : \ | |
| 932 sizeof (x) == sizeof (double) ? gl_isinfd (x) : \ | |
| 933 gl_isinff (x)) | |
| 934 # endif | |
| 935 #elif defined GNULIB_POSIXCHECK | |
|
12726
d6da6e5f2f62
math: add portability warnings for classification macros
Eric Blake <ebb9@byu.net>
parents:
12559
diff
changeset
|
936 # if defined isinf |
|
d6da6e5f2f62
math: add portability warnings for classification macros
Eric Blake <ebb9@byu.net>
parents:
12559
diff
changeset
|
937 _GL_WARN_REAL_FLOATING_DECL (isinf); |
|
d6da6e5f2f62
math: add portability warnings for classification macros
Eric Blake <ebb9@byu.net>
parents:
12559
diff
changeset
|
938 # undef isinf |
|
d6da6e5f2f62
math: add portability warnings for classification macros
Eric Blake <ebb9@byu.net>
parents:
12559
diff
changeset
|
939 # define isinf(x) _GL_WARN_REAL_FLOATING_IMPL (isinf, x) |
|
d6da6e5f2f62
math: add portability warnings for classification macros
Eric Blake <ebb9@byu.net>
parents:
12559
diff
changeset
|
940 # endif |
| 10287 | 941 #endif |
| 942 | |
| 943 | |
|
10667
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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10655
diff
changeset
|
944 #if @GNULIB_ISNANF@ |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
945 /* Test for NaN for 'float' numbers. */ |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
946 # if @HAVE_ISNANF@ |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
947 /* The original <math.h> included above provides a declaration of isnan macro |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
948 or (older) isnanf function. */ |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
949 # if __GNUC__ >= 4 |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
950 /* GCC 4.0 and newer provides three built-ins for isnan. */ |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
951 # undef isnanf |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
952 # define isnanf(x) __builtin_isnanf ((float)(x)) |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
953 # elif defined isnan |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
954 # undef isnanf |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
955 # define isnanf(x) isnan ((float)(x)) |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
956 # endif |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
957 # else |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
958 /* Test whether X is a NaN. */ |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
959 # undef isnanf |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
960 # define isnanf rpl_isnanf |
|
12936
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math: Avoid #define replacements in C++ mode.
Bruno Haible <bruno@clisp.org>
parents:
12927
diff
changeset
|
961 _GL_EXTERN_C int isnanf (float x); |
|
10667
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
962 # endif |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
963 #endif |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
964 |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
965 #if @GNULIB_ISNAND@ |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
966 /* Test for NaN for 'double' numbers. |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
967 This function is a gnulib extension, unlike isnan() which applied only |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
968 to 'double' numbers earlier but now is a type-generic macro. */ |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
969 # if @HAVE_ISNAND@ |
|
13758
e50f7d9e3040
Avoid some lines longer than 80 characters.
Paul Eggert <eggert@cs.ucla.edu>
parents:
13164
diff
changeset
|
970 /* The original <math.h> included above provides a declaration of isnan |
|
e50f7d9e3040
Avoid some lines longer than 80 characters.
Paul Eggert <eggert@cs.ucla.edu>
parents:
13164
diff
changeset
|
971 macro. */ |
|
10667
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
972 # if __GNUC__ >= 4 |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
973 /* GCC 4.0 and newer provides three built-ins for isnan. */ |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
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parents:
10655
diff
changeset
|
974 # undef isnand |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
975 # define isnand(x) __builtin_isnan ((double)(x)) |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
976 # else |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
977 # undef isnand |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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10655
diff
changeset
|
978 # define isnand(x) isnan ((double)(x)) |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
979 # endif |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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10655
diff
changeset
|
980 # else |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
981 /* Test whether X is a NaN. */ |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
982 # undef isnand |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
983 # define isnand rpl_isnand |
|
12936
9be4aca41cee
math: Avoid #define replacements in C++ mode.
Bruno Haible <bruno@clisp.org>
parents:
12927
diff
changeset
|
984 _GL_EXTERN_C int isnand (double x); |
|
10667
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
985 # endif |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
986 #endif |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
987 |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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10655
diff
changeset
|
988 #if @GNULIB_ISNANL@ |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
989 /* Test for NaN for 'long double' numbers. */ |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
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10655
diff
changeset
|
990 # if @HAVE_ISNANL@ |
|
13758
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Avoid some lines longer than 80 characters.
Paul Eggert <eggert@cs.ucla.edu>
parents:
13164
diff
changeset
|
991 /* The original <math.h> included above provides a declaration of isnan |
|
e50f7d9e3040
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Paul Eggert <eggert@cs.ucla.edu>
parents:
13164
diff
changeset
|
992 macro or (older) isnanl function. */ |
|
10667
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
993 # if __GNUC__ >= 4 |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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10655
diff
changeset
|
994 /* GCC 4.0 and newer provides three built-ins for isnan. */ |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
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parents:
10655
diff
changeset
|
995 # undef isnanl |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
996 # define isnanl(x) __builtin_isnanl ((long double)(x)) |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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10655
diff
changeset
|
997 # elif defined isnan |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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10655
diff
changeset
|
998 # undef isnanl |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
999 # define isnanl(x) isnan ((long double)(x)) |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
1000 # endif |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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10655
diff
changeset
|
1001 # else |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
1002 /* Test whether X is a NaN. */ |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
1003 # undef isnanl |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
1004 # define isnanl rpl_isnanl |
|
12936
9be4aca41cee
math: Avoid #define replacements in C++ mode.
Bruno Haible <bruno@clisp.org>
parents:
12927
diff
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1005 _GL_EXTERN_C int isnanl (long double x); |
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1006 # endif |
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1007 #endif |
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1008 |
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1009 /* This must come *after* the snippets for GNULIB_ISNANF and GNULIB_ISNANL! */ |
| 10267 | 1010 #if @GNULIB_ISNAN@ |
| 1011 # if @REPLACE_ISNAN@ | |
| 1012 /* We can't just use the isnanf macro (e.g.) as exposed by | |
| 1013 isnanf.h (e.g.) here, because those may end up being macros | |
| 1014 that recursively expand back to isnan. So use the gnulib | |
| 1015 replacements for them directly. */ | |
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1016 # if @HAVE_ISNANF@ && __GNUC__ >= 4 |
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1017 # define gl_isnan_f(x) __builtin_isnanf ((float)(x)) |
| 10267 | 1018 # else |
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1019 _GL_EXTERN_C int rpl_isnanf (float x); |
| 10267 | 1020 # define gl_isnan_f(x) rpl_isnanf (x) |
| 1021 # endif | |
|
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1022 # if @HAVE_ISNAND@ && __GNUC__ >= 4 |
| 10267 | 1023 # define gl_isnan_d(x) __builtin_isnan ((double)(x)) |
| 1024 # else | |
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1025 _GL_EXTERN_C int rpl_isnand (double x); |
| 10267 | 1026 # define gl_isnan_d(x) rpl_isnand (x) |
| 1027 # endif | |
|
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1028 # if @HAVE_ISNANL@ && __GNUC__ >= 4 |
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1029 # define gl_isnan_l(x) __builtin_isnanl ((long double)(x)) |
| 10267 | 1030 # else |
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1031 _GL_EXTERN_C int rpl_isnanl (long double x); |
| 10267 | 1032 # define gl_isnan_l(x) rpl_isnanl (x) |
| 1033 # endif | |
| 1034 # undef isnan | |
| 1035 # define isnan(x) \ | |
| 1036 (sizeof (x) == sizeof (long double) ? gl_isnan_l (x) : \ | |
| 1037 sizeof (x) == sizeof (double) ? gl_isnan_d (x) : \ | |
| 1038 gl_isnan_f (x)) | |
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1039 # elif __GNUC__ >= 4 |
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1040 # undef isnan |
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1041 # define isnan(x) \ |
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1042 (sizeof (x) == sizeof (long double) ? __builtin_isnanl ((long double)(x)) : \ |
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1043 sizeof (x) == sizeof (double) ? __builtin_isnan ((double)(x)) : \ |
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1044 __builtin_isnanf ((float)(x))) |
| 10267 | 1045 # endif |
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1046 /* Ensure isnan is a macro. */ |
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1047 # ifndef isnan |
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1048 # define isnan isnan |
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1049 # endif |
| 10267 | 1050 #elif defined GNULIB_POSIXCHECK |
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1051 # if defined isnan |
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1052 _GL_WARN_REAL_FLOATING_DECL (isnan); |
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1053 # undef isnan |
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1054 # define isnan(x) _GL_WARN_REAL_FLOATING_IMPL (isnan, x) |
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1055 # endif |
| 10267 | 1056 #endif |
| 1057 | |
| 1058 | |
| 9255 | 1059 #if @GNULIB_SIGNBIT@ |
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1060 # if @REPLACE_SIGNBIT_USING_GCC@ |
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1061 # undef signbit |
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1062 /* GCC 4.0 and newer provides three built-ins for signbit. */ |
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1063 # define signbit(x) \ |
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1064 (sizeof (x) == sizeof (long double) ? __builtin_signbitl (x) : \ |
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1065 sizeof (x) == sizeof (double) ? __builtin_signbit (x) : \ |
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1066 __builtin_signbitf (x)) |
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1067 # endif |
| 9255 | 1068 # if @REPLACE_SIGNBIT@ |
| 1069 # undef signbit | |
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1070 _GL_EXTERN_C int gl_signbitf (float arg); |
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1071 _GL_EXTERN_C int gl_signbitd (double arg); |
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1072 _GL_EXTERN_C int gl_signbitl (long double arg); |
| 9255 | 1073 # if __GNUC__ >= 2 && !__STRICT_ANSI__ |
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1074 # define _GL_NUM_UINT_WORDS(type) \ |
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1075 ((sizeof (type) + sizeof (unsigned int) - 1) / sizeof (unsigned int)) |
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1076 # if defined FLT_SIGNBIT_WORD && defined FLT_SIGNBIT_BIT && !defined gl_signbitf |
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1077 # define gl_signbitf_OPTIMIZED_MACRO |
| 9255 | 1078 # define gl_signbitf(arg) \ |
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1079 ({ union { float _value; \ |
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1080 unsigned int _word[_GL_NUM_UINT_WORDS (float)]; \ |
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1081 } _m; \ |
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1082 _m._value = (arg); \ |
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1083 (_m._word[FLT_SIGNBIT_WORD] >> FLT_SIGNBIT_BIT) & 1; \ |
| 9255 | 1084 }) |
| 1085 # endif | |
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1086 # if defined DBL_SIGNBIT_WORD && defined DBL_SIGNBIT_BIT && !defined gl_signbitd |
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1087 # define gl_signbitd_OPTIMIZED_MACRO |
| 9255 | 1088 # define gl_signbitd(arg) \ |
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1089 ({ union { double _value; \ |
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1090 unsigned int _word[_GL_NUM_UINT_WORDS (double)]; \ |
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1091 } _m; \ |
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1092 _m._value = (arg); \ |
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1093 (_m._word[DBL_SIGNBIT_WORD] >> DBL_SIGNBIT_BIT) & 1; \ |
| 9255 | 1094 }) |
| 1095 # endif | |
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1096 # if defined LDBL_SIGNBIT_WORD && defined LDBL_SIGNBIT_BIT && !defined gl_signbitl |
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1097 # define gl_signbitl_OPTIMIZED_MACRO |
| 9255 | 1098 # define gl_signbitl(arg) \ |
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1099 ({ union { long double _value; \ |
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1100 unsigned int _word[_GL_NUM_UINT_WORDS (long double)]; \ |
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1101 } _m; \ |
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1102 _m._value = (arg); \ |
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1103 (_m._word[LDBL_SIGNBIT_WORD] >> LDBL_SIGNBIT_BIT) & 1; \ |
| 9255 | 1104 }) |
| 1105 # endif | |
| 1106 # endif | |
| 1107 # define signbit(x) \ | |
| 1108 (sizeof (x) == sizeof (long double) ? gl_signbitl (x) : \ | |
| 1109 sizeof (x) == sizeof (double) ? gl_signbitd (x) : \ | |
| 1110 gl_signbitf (x)) | |
| 1111 # endif | |
| 1112 #elif defined GNULIB_POSIXCHECK | |
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1113 # if defined signbit |
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1114 _GL_WARN_REAL_FLOATING_DECL (signbit); |
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1115 # undef signbit |
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1116 # define signbit(x) _GL_WARN_REAL_FLOATING_IMPL (signbit, x) |
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1117 # endif |
| 9255 | 1118 #endif |
| 1119 | |
| 1120 | |
|
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1121 #endif /* _@GUARD_PREFIX@_MATH_H */ |
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1122 #endif /* _@GUARD_PREFIX@_MATH_H */ |