Mercurial > hg > octave-kai > gnulib-hg
annotate lib/math.in.h @ 16038:8f14d00d6f24
New module 'fma'.
* lib/math.in.h (fma): New declaration.
* lib/fma.c: New file.
* m4/fma.m4: New file.
* m4/fegetround.m4: New file.
* m4/math_h.m4 (gl_MATH_H): Test whethern fma is declared.
(gl_MATH_H_DEFAULTS): Initialize GNULIB_FMA, HAVE_FMA, REPLACE_FMA.
* modules/math (Makefile.am): Substitute GNULIB_FMA, HAVE_FMA,
REPLACE_FMA.
* modules/fma: New file.
* doc/posix-functions/fma.texi: Mention the new module and the various
bugs.
| author | Bruno Haible <bruno@clisp.org> |
|---|---|
| date | Mon, 17 Oct 2011 23:48:01 +0200 |
| parents | a63613865d90 |
| children | b8acd8099b25 |
| 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 #ifdef __cplusplus |
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39 /* Helper macros to define type-generic function FUNC as overloaded functions, |
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40 rather than as macros like in C. POSIX declares these with an argument of |
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41 real-floating (that is, one of float, double, or long double). */ |
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42 # define _GL_MATH_CXX_REAL_FLOATING_DECL_1(func) \ |
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43 static inline int \ |
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44 _gl_cxx_ ## 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 _gl_cxx_ ## 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 _gl_cxx_ ## 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 # define _GL_MATH_CXX_REAL_FLOATING_DECL_2(func) \ |
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59 inline int \ |
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60 func (float f) \ |
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61 { \ |
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62 return _gl_cxx_ ## func ## f (f); \ |
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63 } \ |
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64 inline int \ |
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65 func (double d) \ |
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66 { \ |
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67 return _gl_cxx_ ## func ## d (d); \ |
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68 } \ |
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69 inline int \ |
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70 func (long double l) \ |
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71 { \ |
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72 return _gl_cxx_ ## func ## l (l); \ |
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73 } |
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74 #endif |
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75 |
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76 /* Helper macros to define a portability warning for the |
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77 classification macro FUNC called with VALUE. POSIX declares the |
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78 classification macros with an argument of real-floating (that is, |
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79 one of float, double, or long double). */ |
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80 #define _GL_WARN_REAL_FLOATING_DECL(func) \ |
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81 static inline int \ |
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82 rpl_ ## func ## f (float f) \ |
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83 { \ |
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84 return func (f); \ |
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85 } \ |
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86 static inline int \ |
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87 rpl_ ## func ## d (double d) \ |
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88 { \ |
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89 return func (d); \ |
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90 } \ |
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91 static inline int \ |
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92 rpl_ ## func ## l (long double l) \ |
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93 { \ |
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94 return func (l); \ |
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95 } \ |
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96 _GL_WARN_ON_USE (rpl_ ## func ## f, #func " is unportable - " \ |
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97 "use gnulib module " #func " for portability"); \ |
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98 _GL_WARN_ON_USE (rpl_ ## func ## d, #func " is unportable - " \ |
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99 "use gnulib module " #func " for portability"); \ |
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100 _GL_WARN_ON_USE (rpl_ ## func ## l, #func " is unportable - " \ |
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101 "use gnulib module " #func " for portability") |
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102 #define _GL_WARN_REAL_FLOATING_IMPL(func, value) \ |
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103 (sizeof (value) == sizeof (float) ? rpl_ ## func ## f (value) \ |
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104 : sizeof (value) == sizeof (double) ? rpl_ ## func ## d (value) \ |
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105 : rpl_ ## func ## l (value)) |
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106 |
| 9255 | 107 |
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108 #if @REPLACE_ITOLD@ |
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109 /* Pull in a function that fixes the 'int' to 'long double' conversion |
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110 of glibc 2.7. */ |
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111 _GL_EXTERN_C void _Qp_itoq (long double *, int); |
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112 static void (*_gl_math_fix_itold) (long double *, int) = _Qp_itoq; |
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113 #endif |
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114 |
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115 |
| 9850 | 116 /* POSIX allows platforms that don't support NAN. But all major |
| 117 machines in the past 15 years have supported something close to | |
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118 IEEE NaN, so we define this unconditionally. We also must define |
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119 it on platforms like Solaris 10, where NAN is present but defined |
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120 as a function pointer rather than a floating point constant. */ |
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121 #if !defined NAN || @REPLACE_NAN@ |
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122 # if !GNULIB_defined_NAN |
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123 # undef NAN |
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124 /* The Compaq (ex-DEC) C 6.4 compiler and the Microsoft MSVC 9 compiler |
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125 choke on the expression 0.0 / 0.0. */ |
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126 # if defined __DECC || defined _MSC_VER |
| 9850 | 127 static float |
| 128 _NaN () | |
| 129 { | |
| 130 static float zero = 0.0f; | |
| 131 return zero / zero; | |
| 132 } | |
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133 # define NAN (_NaN()) |
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134 # else |
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135 # define NAN (0.0f / 0.0f) |
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136 # endif |
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137 # define GNULIB_defined_NAN 1 |
| 9850 | 138 # endif |
| 139 #endif | |
| 140 | |
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141 /* Solaris 10 defines HUGE_VAL, but as a function pointer rather |
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142 than a floating point constant. */ |
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143 #if @REPLACE_HUGE_VAL@ |
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144 # undef HUGE_VAL |
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145 # define HUGE_VAL (1.0 / 0.0) |
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146 #endif |
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147 |
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148 |
| 15884 | 149 #if @GNULIB_ACOSF@ |
| 150 # if !@HAVE_ACOSF@ | |
| 151 # undef acosf | |
| 152 _GL_FUNCDECL_SYS (acosf, float, (float x)); | |
| 153 # endif | |
| 154 _GL_CXXALIAS_SYS (acosf, float, (float x)); | |
| 155 _GL_CXXALIASWARN (acosf); | |
| 156 #elif defined GNULIB_POSIXCHECK | |
| 157 # undef acosf | |
| 158 # if HAVE_RAW_DECL_ACOSF | |
| 159 _GL_WARN_ON_USE (acosf, "acosf is unportable - " | |
| 160 "use gnulib module acosf for portability"); | |
| 161 # endif | |
| 162 #endif | |
| 163 | |
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164 #if @GNULIB_ACOSL@ |
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165 # if !@HAVE_ACOSL@ || !@HAVE_DECL_ACOSL@ |
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166 _GL_FUNCDECL_SYS (acosl, long double, (long double x)); |
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167 # endif |
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168 _GL_CXXALIAS_SYS (acosl, long double, (long double x)); |
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169 _GL_CXXALIASWARN (acosl); |
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170 #elif defined GNULIB_POSIXCHECK |
| 9255 | 171 # undef acosl |
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172 # if HAVE_RAW_DECL_ACOSL |
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173 _GL_WARN_ON_USE (acosl, "acosl is unportable - " |
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174 "use gnulib module mathl for portability"); |
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175 # endif |
| 9255 | 176 #endif |
| 177 | |
| 9285 | 178 |
| 15881 | 179 #if @GNULIB_ASINF@ |
| 180 # if !@HAVE_ASINF@ | |
| 181 # undef asinf | |
| 182 _GL_FUNCDECL_SYS (asinf, float, (float x)); | |
| 183 # endif | |
| 184 _GL_CXXALIAS_SYS (asinf, float, (float x)); | |
| 185 _GL_CXXALIASWARN (asinf); | |
| 186 #elif defined GNULIB_POSIXCHECK | |
| 187 # undef asinf | |
| 188 # if HAVE_RAW_DECL_ASINF | |
| 189 _GL_WARN_ON_USE (asinf, "asinf is unportable - " | |
| 190 "use gnulib module asinf for portability"); | |
| 191 # endif | |
| 192 #endif | |
| 193 | |
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194 #if @GNULIB_ASINL@ |
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195 # if !@HAVE_ASINL@ || !@HAVE_DECL_ASINL@ |
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196 _GL_FUNCDECL_SYS (asinl, long double, (long double x)); |
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197 # endif |
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198 _GL_CXXALIAS_SYS (asinl, long double, (long double x)); |
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199 _GL_CXXALIASWARN (asinl); |
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200 #elif defined GNULIB_POSIXCHECK |
| 9255 | 201 # undef asinl |
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202 # if HAVE_RAW_DECL_ASINL |
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203 _GL_WARN_ON_USE (asinl, "asinl is unportable - " |
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204 "use gnulib module mathl for portability"); |
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205 # endif |
| 9255 | 206 #endif |
| 207 | |
| 9285 | 208 |
| 15887 | 209 #if @GNULIB_ATANF@ |
| 210 # if !@HAVE_ATANF@ | |
| 211 # undef atanf | |
| 212 _GL_FUNCDECL_SYS (atanf, float, (float x)); | |
| 213 # endif | |
| 214 _GL_CXXALIAS_SYS (atanf, float, (float x)); | |
| 215 _GL_CXXALIASWARN (atanf); | |
| 216 #elif defined GNULIB_POSIXCHECK | |
| 217 # undef atanf | |
| 218 # if HAVE_RAW_DECL_ATANF | |
| 219 _GL_WARN_ON_USE (atanf, "atanf is unportable - " | |
| 220 "use gnulib module atanf for portability"); | |
| 221 # endif | |
| 222 #endif | |
| 223 | |
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224 #if @GNULIB_ATANL@ |
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225 # if !@HAVE_ATANL@ || !@HAVE_DECL_ATANL@ |
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226 _GL_FUNCDECL_SYS (atanl, long double, (long double x)); |
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227 # endif |
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228 _GL_CXXALIAS_SYS (atanl, long double, (long double x)); |
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229 _GL_CXXALIASWARN (atanl); |
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230 #elif defined GNULIB_POSIXCHECK |
| 9255 | 231 # undef atanl |
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232 # if HAVE_RAW_DECL_ATANL |
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233 _GL_WARN_ON_USE (atanl, "atanl is unportable - " |
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234 "use gnulib module mathl for portability"); |
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235 # endif |
| 9255 | 236 #endif |
| 237 | |
| 9285 | 238 |
| 15890 | 239 #if @GNULIB_ATAN2F@ |
| 240 # if !@HAVE_ATAN2F@ | |
| 241 # undef atan2f | |
| 242 _GL_FUNCDECL_SYS (atan2f, float, (float y, float x)); | |
| 243 # endif | |
| 244 _GL_CXXALIAS_SYS (atan2f, float, (float y, float x)); | |
| 245 _GL_CXXALIASWARN (atan2f); | |
| 246 #elif defined GNULIB_POSIXCHECK | |
| 247 # undef atan2f | |
| 248 # if HAVE_RAW_DECL_ATAN2F | |
| 249 _GL_WARN_ON_USE (atan2f, "atan2f is unportable - " | |
| 250 "use gnulib module atan2f for portability"); | |
| 251 # endif | |
| 252 #endif | |
| 253 | |
| 254 | |
| 9295 | 255 #if @GNULIB_CEILF@ |
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256 # if @REPLACE_CEILF@ |
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257 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
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258 # undef ceilf |
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259 # define ceilf rpl_ceilf |
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260 # endif |
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261 _GL_FUNCDECL_RPL (ceilf, float, (float x)); |
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262 _GL_CXXALIAS_RPL (ceilf, float, (float x)); |
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263 # else |
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264 # if !@HAVE_DECL_CEILF@ |
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265 _GL_FUNCDECL_SYS (ceilf, float, (float x)); |
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266 # endif |
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267 _GL_CXXALIAS_SYS (ceilf, float, (float x)); |
| 9295 | 268 # endif |
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269 _GL_CXXALIASWARN (ceilf); |
| 9295 | 270 #elif defined GNULIB_POSIXCHECK |
| 271 # undef ceilf | |
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272 # if HAVE_RAW_DECL_CEILF |
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273 _GL_WARN_ON_USE (ceilf, "ceilf is unportable - " |
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274 "use gnulib module ceilf for portability"); |
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275 # endif |
| 9295 | 276 #endif |
| 277 | |
| 13982 | 278 #if @GNULIB_CEIL@ |
| 279 # if @REPLACE_CEIL@ | |
| 280 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
| 281 # define ceil rpl_ceil | |
| 282 # endif | |
| 283 _GL_FUNCDECL_RPL (ceil, double, (double x)); | |
| 284 _GL_CXXALIAS_RPL (ceil, double, (double x)); | |
| 285 # else | |
| 286 _GL_CXXALIAS_SYS (ceil, double, (double x)); | |
| 287 # endif | |
| 288 _GL_CXXALIASWARN (ceil); | |
| 289 #endif | |
| 290 | |
| 9297 | 291 #if @GNULIB_CEILL@ |
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292 # if @REPLACE_CEILL@ |
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293 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
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294 # undef ceill |
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295 # define ceill rpl_ceill |
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296 # endif |
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297 _GL_FUNCDECL_RPL (ceill, long double, (long double x)); |
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298 _GL_CXXALIAS_RPL (ceill, long double, (long double x)); |
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299 # else |
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300 # if !@HAVE_DECL_CEILL@ |
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301 _GL_FUNCDECL_SYS (ceill, long double, (long double x)); |
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302 # endif |
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303 _GL_CXXALIAS_SYS (ceill, long double, (long double x)); |
| 9297 | 304 # endif |
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305 _GL_CXXALIASWARN (ceill); |
| 9297 | 306 #elif defined GNULIB_POSIXCHECK |
| 9255 | 307 # undef ceill |
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308 # if HAVE_RAW_DECL_CEILL |
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309 _GL_WARN_ON_USE (ceill, "ceill is unportable - " |
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310 "use gnulib module ceill for portability"); |
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311 # endif |
| 9255 | 312 #endif |
| 313 | |
| 9285 | 314 |
| 15911 | 315 #if @GNULIB_COPYSIGNF@ |
| 316 # if !@HAVE_COPYSIGNF@ | |
| 317 _GL_FUNCDECL_SYS (copysignf, float, (float x, float y)); | |
| 318 # endif | |
| 319 _GL_CXXALIAS_SYS (copysignf, float, (float x, float y)); | |
| 320 _GL_CXXALIASWARN (copysignf); | |
| 321 #elif defined GNULIB_POSIXCHECK | |
| 322 # undef copysignf | |
| 323 # if HAVE_RAW_DECL_COPYSIGNF | |
| 324 _GL_WARN_ON_USE (copysignf, "copysignf is unportable - " | |
| 325 "use gnulib module copysignf for portability"); | |
| 326 # endif | |
| 327 #endif | |
| 328 | |
| 329 #if @GNULIB_COPYSIGN@ | |
| 330 # if !@HAVE_COPYSIGN@ | |
| 331 _GL_FUNCDECL_SYS (copysign, double, (double x, double y)); | |
| 332 # endif | |
| 333 _GL_CXXALIAS_SYS (copysign, double, (double x, double y)); | |
| 334 _GL_CXXALIASWARN (copysign); | |
| 335 #elif defined GNULIB_POSIXCHECK | |
| 336 # undef copysign | |
| 337 # if HAVE_RAW_DECL_COPYSIGN | |
| 338 _GL_WARN_ON_USE (copysign, "copysign is unportable - " | |
| 339 "use gnulib module copysign for portability"); | |
| 340 # endif | |
| 341 #endif | |
| 342 | |
| 15913 | 343 #if @GNULIB_COPYSIGNL@ |
| 344 # if !@HAVE_COPYSIGNL@ | |
| 345 _GL_FUNCDECL_SYS (copysignl, long double, (long double x, long double y)); | |
| 346 # endif | |
| 347 _GL_CXXALIAS_SYS (copysignl, long double, (long double x, long double y)); | |
| 348 _GL_CXXALIASWARN (copysignl); | |
| 349 #elif defined GNULIB_POSIXCHECK | |
| 350 # undef copysignl | |
| 351 # if HAVE_RAW_DECL_COPYSIGNL | |
| 352 _GL_WARN_ON_USE (copysign, "copysignl is unportable - " | |
| 353 "use gnulib module copysignl for portability"); | |
| 354 # endif | |
| 355 #endif | |
| 356 | |
| 15911 | 357 |
| 15875 | 358 #if @GNULIB_COSF@ |
| 359 # if !@HAVE_COSF@ | |
| 360 # undef cosf | |
| 361 _GL_FUNCDECL_SYS (cosf, float, (float x)); | |
| 362 # endif | |
| 363 _GL_CXXALIAS_SYS (cosf, float, (float x)); | |
| 364 _GL_CXXALIASWARN (cosf); | |
| 365 #elif defined GNULIB_POSIXCHECK | |
| 366 # undef cosf | |
| 367 # if HAVE_RAW_DECL_COSF | |
| 368 _GL_WARN_ON_USE (cosf, "cosf is unportable - " | |
| 369 "use gnulib module cosf for portability"); | |
| 370 # endif | |
| 371 #endif | |
| 372 | |
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373 #if @GNULIB_COSL@ |
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374 # if !@HAVE_COSL@ || !@HAVE_DECL_COSL@ |
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375 _GL_FUNCDECL_SYS (cosl, long double, (long double x)); |
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376 # endif |
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377 _GL_CXXALIAS_SYS (cosl, long double, (long double x)); |
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378 _GL_CXXALIASWARN (cosl); |
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379 #elif defined GNULIB_POSIXCHECK |
| 9255 | 380 # undef cosl |
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381 # if HAVE_RAW_DECL_COSL |
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382 _GL_WARN_ON_USE (cosl, "cosl is unportable - " |
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383 "use gnulib module mathl for portability"); |
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384 # endif |
| 9255 | 385 #endif |
| 386 | |
| 9285 | 387 |
| 15896 | 388 #if @GNULIB_COSHF@ |
| 389 # if !@HAVE_COSHF@ | |
| 390 # undef coshf | |
| 391 _GL_FUNCDECL_SYS (coshf, float, (float x)); | |
| 392 # endif | |
| 393 _GL_CXXALIAS_SYS (coshf, float, (float x)); | |
| 394 _GL_CXXALIASWARN (coshf); | |
| 395 #elif defined GNULIB_POSIXCHECK | |
| 396 # undef coshf | |
| 397 # if HAVE_RAW_DECL_COSHF | |
| 398 _GL_WARN_ON_USE (coshf, "coshf is unportable - " | |
| 399 "use gnulib module coshf for portability"); | |
| 400 # endif | |
| 401 #endif | |
| 402 | |
| 403 | |
| 15860 | 404 #if @GNULIB_EXPF@ |
| 405 # if !@HAVE_EXPF@ | |
| 406 # undef expf | |
| 407 _GL_FUNCDECL_SYS (expf, float, (float x)); | |
| 408 # endif | |
| 409 _GL_CXXALIAS_SYS (expf, float, (float x)); | |
| 410 _GL_CXXALIASWARN (expf); | |
| 411 #elif defined GNULIB_POSIXCHECK | |
| 412 # undef expf | |
| 413 # if HAVE_RAW_DECL_EXPF | |
| 414 _GL_WARN_ON_USE (expf, "expf is unportable - " | |
| 415 "use gnulib module expf for portability"); | |
| 416 # endif | |
| 417 #endif | |
| 418 | |
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419 #if @GNULIB_EXPL@ |
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420 # if !@HAVE_EXPL@ || !@HAVE_DECL_EXPL@ |
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421 _GL_FUNCDECL_SYS (expl, long double, (long double x)); |
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422 # endif |
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423 _GL_CXXALIAS_SYS (expl, long double, (long double x)); |
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424 _GL_CXXALIASWARN (expl); |
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425 #elif defined GNULIB_POSIXCHECK |
| 9255 | 426 # undef expl |
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427 # if HAVE_RAW_DECL_EXPL |
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428 _GL_WARN_ON_USE (expl, "expl is unportable - " |
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429 "use gnulib module mathl for portability"); |
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430 # endif |
| 9255 | 431 #endif |
| 432 | |
| 9285 | 433 |
| 15828 | 434 #if @GNULIB_FABSF@ |
| 435 # if !@HAVE_FABSF@ | |
| 436 # undef fabsf | |
| 437 _GL_FUNCDECL_SYS (fabsf, float, (float x)); | |
| 438 # endif | |
| 439 _GL_CXXALIAS_SYS (fabsf, float, (float x)); | |
| 440 _GL_CXXALIASWARN (fabsf); | |
| 441 #elif defined GNULIB_POSIXCHECK | |
| 442 # undef fabsf | |
| 443 # if HAVE_RAW_DECL_FABSF | |
| 444 _GL_WARN_ON_USE (fabsf, "fabsf is unportable - " | |
| 445 "use gnulib module fabsf for portability"); | |
| 446 # endif | |
| 447 #endif | |
| 448 | |
| 449 | |
| 9291 | 450 #if @GNULIB_FLOORF@ |
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451 # if @REPLACE_FLOORF@ |
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452 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
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453 # undef floorf |
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454 # define floorf rpl_floorf |
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455 # endif |
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456 _GL_FUNCDECL_RPL (floorf, float, (float x)); |
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457 _GL_CXXALIAS_RPL (floorf, float, (float x)); |
| 13973 | 458 # else |
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459 # if !@HAVE_DECL_FLOORF@ |
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460 _GL_FUNCDECL_SYS (floorf, float, (float x)); |
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461 # endif |
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462 _GL_CXXALIAS_SYS (floorf, float, (float x)); |
| 9291 | 463 # endif |
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464 _GL_CXXALIASWARN (floorf); |
| 9291 | 465 #elif defined GNULIB_POSIXCHECK |
| 466 # undef floorf | |
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467 # if HAVE_RAW_DECL_FLOORF |
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468 _GL_WARN_ON_USE (floorf, "floorf is unportable - " |
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469 "use gnulib module floorf for portability"); |
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470 # endif |
| 9291 | 471 #endif |
| 472 | |
| 13981 | 473 #if @GNULIB_FLOOR@ |
| 474 # if @REPLACE_FLOOR@ | |
| 475 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
| 476 # define floor rpl_floor | |
| 477 # endif | |
| 478 _GL_FUNCDECL_RPL (floor, double, (double x)); | |
| 479 _GL_CXXALIAS_RPL (floor, double, (double x)); | |
| 480 # else | |
| 481 _GL_CXXALIAS_SYS (floor, double, (double x)); | |
| 482 # endif | |
| 483 _GL_CXXALIASWARN (floor); | |
| 484 #endif | |
| 485 | |
| 9293 | 486 #if @GNULIB_FLOORL@ |
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487 # if @REPLACE_FLOORL@ |
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488 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
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489 # undef floorl |
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490 # define floorl rpl_floorl |
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491 # endif |
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492 _GL_FUNCDECL_RPL (floorl, long double, (long double x)); |
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493 _GL_CXXALIAS_RPL (floorl, long double, (long double x)); |
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494 # else |
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495 # if !@HAVE_DECL_FLOORL@ |
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496 _GL_FUNCDECL_SYS (floorl, long double, (long double x)); |
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497 # endif |
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498 _GL_CXXALIAS_SYS (floorl, long double, (long double x)); |
| 9293 | 499 # endif |
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500 _GL_CXXALIASWARN (floorl); |
| 9293 | 501 #elif defined GNULIB_POSIXCHECK |
| 9255 | 502 # undef floorl |
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503 # if HAVE_RAW_DECL_FLOORL |
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504 _GL_WARN_ON_USE (floorl, "floorl is unportable - " |
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505 "use gnulib module floorl for portability"); |
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506 # endif |
| 9255 | 507 #endif |
| 508 | |
| 9285 | 509 |
| 16038 | 510 #if @GNULIB_FMA@ |
| 511 # if @REPLACE_FMA@ | |
| 512 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
| 513 # undef fma | |
| 514 # define fma rpl_fma | |
| 515 # endif | |
| 516 _GL_FUNCDECL_RPL (fma, double, (double x, double y, double z)); | |
| 517 _GL_CXXALIAS_RPL (fma, double, (double x, double y, double z)); | |
| 518 # else | |
| 519 # if !@HAVE_FMA@ | |
| 520 _GL_FUNCDECL_SYS (fma, double, (double x, double y, double z)); | |
| 521 # endif | |
| 522 _GL_CXXALIAS_SYS (fma, double, (double x, double y, double z)); | |
| 523 # endif | |
| 524 _GL_CXXALIASWARN (fma); | |
| 525 #elif defined GNULIB_POSIXCHECK | |
| 526 # undef fma | |
| 527 # if HAVE_RAW_DECL_FMA | |
| 528 _GL_WARN_ON_USE (fma, "fma is unportable - " | |
| 529 "use gnulib module fma for portability"); | |
| 530 # endif | |
| 531 #endif | |
| 532 | |
| 533 | |
| 15832 | 534 #if @GNULIB_FMODF@ |
| 535 # if !@HAVE_FMODF@ | |
| 536 # undef fmodf | |
| 537 _GL_FUNCDECL_SYS (fmodf, float, (float x, float y)); | |
| 538 # endif | |
| 539 _GL_CXXALIAS_SYS (fmodf, float, (float x, float y)); | |
| 540 _GL_CXXALIASWARN (fmodf); | |
| 541 #elif defined GNULIB_POSIXCHECK | |
| 542 # undef fmodf | |
| 543 # if HAVE_RAW_DECL_FMODF | |
| 544 _GL_WARN_ON_USE (fmodf, "fmodf is unportable - " | |
| 545 "use gnulib module fmodf for portability"); | |
| 546 # endif | |
| 547 #endif | |
| 548 | |
| 549 | |
| 9255 | 550 /* Write x as |
| 551 x = mantissa * 2^exp | |
| 552 where | |
| 553 If x finite and nonzero: 0.5 <= |mantissa| < 1.0. | |
| 554 If x is zero: mantissa = x, exp = 0. | |
| 555 If x is infinite or NaN: mantissa = x, exp unspecified. | |
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556 Store exp in *EXPPTR and return mantissa. */ |
| 15841 | 557 #if @GNULIB_FREXPF@ |
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558 # if @REPLACE_FREXPF@ |
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559 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
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560 # undef frexpf |
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561 # define frexpf rpl_frexpf |
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562 # endif |
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563 _GL_FUNCDECL_RPL (frexpf, float, (float x, int *expptr) _GL_ARG_NONNULL ((2))); |
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564 _GL_CXXALIAS_RPL (frexpf, float, (float x, int *expptr)); |
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565 # else |
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566 # if !@HAVE_FREXPF@ |
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567 # undef frexpf |
| 15841 | 568 _GL_FUNCDECL_SYS (frexpf, float, (float x, int *expptr) _GL_ARG_NONNULL ((2))); |
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569 # endif |
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570 _GL_CXXALIAS_SYS (frexpf, float, (float x, int *expptr)); |
| 15841 | 571 # endif |
| 572 _GL_CXXALIASWARN (frexpf); | |
| 573 #elif defined GNULIB_POSIXCHECK | |
| 574 # undef frexpf | |
| 575 # if HAVE_RAW_DECL_FREXPF | |
| 576 _GL_WARN_ON_USE (frexpf, "frexpf is unportable - " | |
| 577 "use gnulib module frexpf for portability"); | |
| 578 # endif | |
| 579 #endif | |
| 580 | |
| 581 /* Write x as | |
| 582 x = mantissa * 2^exp | |
| 583 where | |
| 584 If x finite and nonzero: 0.5 <= |mantissa| < 1.0. | |
| 585 If x is zero: mantissa = x, exp = 0. | |
| 586 If x is infinite or NaN: mantissa = x, exp unspecified. | |
| 587 Store exp in *EXPPTR and return mantissa. */ | |
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588 #if @GNULIB_FREXP@ |
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589 # if @REPLACE_FREXP@ |
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590 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
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591 # define frexp rpl_frexp |
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592 # endif |
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593 _GL_FUNCDECL_RPL (frexp, double, (double x, int *expptr) _GL_ARG_NONNULL ((2))); |
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594 _GL_CXXALIAS_RPL (frexp, double, (double x, int *expptr)); |
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595 # else |
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596 _GL_CXXALIAS_SYS (frexp, double, (double x, int *expptr)); |
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597 # endif |
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598 _GL_CXXALIASWARN (frexp); |
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599 #elif defined GNULIB_POSIXCHECK |
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600 # undef frexp |
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601 /* Assume frexp is always declared. */ |
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602 _GL_WARN_ON_USE (frexp, "frexp is unportable - " |
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603 "use gnulib module frexp for portability"); |
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604 #endif |
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605 |
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606 /* Write x as |
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607 x = mantissa * 2^exp |
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608 where |
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609 If x finite and nonzero: 0.5 <= |mantissa| < 1.0. |
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610 If x is zero: mantissa = x, exp = 0. |
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611 If x is infinite or NaN: mantissa = x, exp unspecified. |
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612 Store exp in *EXPPTR and return mantissa. */ |
| 9255 | 613 #if @GNULIB_FREXPL@ && @REPLACE_FREXPL@ |
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614 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
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615 # undef frexpl |
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616 # define frexpl rpl_frexpl |
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617 # endif |
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618 _GL_FUNCDECL_RPL (frexpl, long double, |
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619 (long double x, int *expptr) _GL_ARG_NONNULL ((2))); |
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620 _GL_CXXALIAS_RPL (frexpl, long double, (long double x, int *expptr)); |
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621 #else |
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622 # if !@HAVE_DECL_FREXPL@ |
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623 _GL_FUNCDECL_SYS (frexpl, long double, |
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624 (long double x, int *expptr) _GL_ARG_NONNULL ((2))); |
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625 # endif |
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626 # if @GNULIB_FREXPL@ |
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627 _GL_CXXALIAS_SYS (frexpl, long double, (long double x, int *expptr)); |
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628 # endif |
| 9255 | 629 #endif |
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630 #if @GNULIB_FREXPL@ && !(@REPLACE_FREXPL@ && !@HAVE_DECL_FREXPL@) |
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631 _GL_CXXALIASWARN (frexpl); |
| 9255 | 632 #endif |
| 633 #if !@GNULIB_FREXPL@ && defined GNULIB_POSIXCHECK | |
| 634 # undef frexpl | |
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635 # if HAVE_RAW_DECL_FREXPL |
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636 _GL_WARN_ON_USE (frexpl, "frexpl is unportable - " |
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637 "use gnulib module frexpl for portability"); |
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638 # endif |
| 9255 | 639 #endif |
| 640 | |
| 9285 | 641 |
| 9255 | 642 /* Return x * 2^exp. */ |
| 15847 | 643 #if @GNULIB_LDEXPF@ |
| 644 # if !@HAVE_LDEXPF@ | |
| 645 # undef ldexpf | |
| 646 _GL_FUNCDECL_SYS (ldexpf, float, (float x, int exp)); | |
| 647 # endif | |
| 648 _GL_CXXALIAS_SYS (ldexpf, float, (float x, int exp)); | |
| 649 _GL_CXXALIASWARN (ldexpf); | |
| 650 #elif defined GNULIB_POSIXCHECK | |
| 651 # undef ldexpf | |
| 652 # if HAVE_RAW_DECL_LDEXPF | |
| 653 _GL_WARN_ON_USE (ldexpf, "ldexpf is unportable - " | |
| 654 "use gnulib module ldexpf for portability"); | |
| 655 # endif | |
| 656 #endif | |
| 657 | |
| 658 /* Return x * 2^exp. */ | |
| 9255 | 659 #if @GNULIB_LDEXPL@ && @REPLACE_LDEXPL@ |
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660 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
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661 # undef ldexpl |
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662 # define ldexpl rpl_ldexpl |
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663 # endif |
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664 _GL_FUNCDECL_RPL (ldexpl, long double, (long double x, int exp)); |
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665 _GL_CXXALIAS_RPL (ldexpl, long double, (long double x, int exp)); |
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666 #else |
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667 # if !@HAVE_DECL_LDEXPL@ |
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668 _GL_FUNCDECL_SYS (ldexpl, long double, (long double x, int exp)); |
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669 # endif |
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670 # if @GNULIB_LDEXPL@ |
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671 _GL_CXXALIAS_SYS (ldexpl, long double, (long double x, int exp)); |
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672 # endif |
| 9255 | 673 #endif |
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674 #if @GNULIB_LDEXPL@ |
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675 _GL_CXXALIASWARN (ldexpl); |
| 9255 | 676 #endif |
| 677 #if !@GNULIB_LDEXPL@ && defined GNULIB_POSIXCHECK | |
| 678 # undef ldexpl | |
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679 # if HAVE_RAW_DECL_LDEXPL |
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680 _GL_WARN_ON_USE (ldexpl, "ldexpl is unportable - " |
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681 "use gnulib module ldexpl for portability"); |
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682 # endif |
| 9255 | 683 #endif |
| 684 | |
| 9285 | 685 |
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686 #if @GNULIB_LOGB@ |
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687 # if !@HAVE_DECL_LOGB@ |
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688 _GL_EXTERN_C double logb (double x); |
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689 # endif |
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690 #elif defined GNULIB_POSIXCHECK |
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691 # undef logb |
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692 # if HAVE_RAW_DECL_LOGB |
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693 _GL_WARN_ON_USE (logb, "logb is unportable - " |
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694 "use gnulib module logb for portability"); |
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695 # endif |
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696 #endif |
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697 |
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698 |
| 15863 | 699 #if @GNULIB_LOGF@ |
| 700 # if !@HAVE_LOGF@ | |
| 701 # undef logf | |
| 702 _GL_FUNCDECL_SYS (logf, float, (float x)); | |
| 703 # endif | |
| 704 _GL_CXXALIAS_SYS (logf, float, (float x)); | |
| 705 _GL_CXXALIASWARN (logf); | |
| 706 #elif defined GNULIB_POSIXCHECK | |
| 707 # undef logf | |
| 708 # if HAVE_RAW_DECL_LOGF | |
| 709 _GL_WARN_ON_USE (logf, "logf is unportable - " | |
| 710 "use gnulib module logf for portability"); | |
| 711 # endif | |
| 712 #endif | |
| 713 | |
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714 #if @GNULIB_LOGL@ |
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715 # if !@HAVE_LOGL@ || !@HAVE_DECL_LOGL@ |
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716 _GL_FUNCDECL_SYS (logl, long double, (long double x)); |
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717 # endif |
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718 _GL_CXXALIAS_SYS (logl, long double, (long double x)); |
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719 _GL_CXXALIASWARN (logl); |
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720 #elif defined GNULIB_POSIXCHECK |
| 9255 | 721 # undef logl |
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722 # if HAVE_RAW_DECL_LOGL |
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723 _GL_WARN_ON_USE (logl, "logl is unportable - " |
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724 "use gnulib module mathl for portability"); |
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725 # endif |
| 9255 | 726 #endif |
| 727 | |
| 9285 | 728 |
| 15866 | 729 #if @GNULIB_LOG10F@ |
| 730 # if !@HAVE_LOG10F@ | |
| 731 # undef log10f | |
| 732 _GL_FUNCDECL_SYS (log10f, float, (float x)); | |
| 733 # endif | |
| 734 _GL_CXXALIAS_SYS (log10f, float, (float x)); | |
| 735 _GL_CXXALIASWARN (log10f); | |
| 736 #elif defined GNULIB_POSIXCHECK | |
| 737 # undef log10f | |
| 738 # if HAVE_RAW_DECL_LOG10F | |
| 739 _GL_WARN_ON_USE (log10f, "log10f is unportable - " | |
| 740 "use gnulib module log10f for portability"); | |
| 741 # endif | |
| 742 #endif | |
| 743 | |
| 744 | |
| 15838 | 745 #if @GNULIB_MODFF@ |
| 746 # if !@HAVE_MODFF@ | |
| 747 # undef modff | |
| 748 _GL_FUNCDECL_SYS (modff, float, (float x, float *iptr) _GL_ARG_NONNULL ((2))); | |
| 749 # endif | |
| 750 _GL_CXXALIAS_SYS (modff, float, (float x, float *iptr)); | |
| 751 _GL_CXXALIASWARN (modff); | |
| 752 #elif defined GNULIB_POSIXCHECK | |
| 753 # undef modff | |
| 754 # if HAVE_RAW_DECL_MODFF | |
| 755 _GL_WARN_ON_USE (modff, "modff is unportable - " | |
| 756 "use gnulib module modff for portability"); | |
| 757 # endif | |
| 758 #endif | |
| 759 | |
| 760 | |
| 15869 | 761 #if @GNULIB_POWF@ |
| 762 # if !@HAVE_POWF@ | |
| 763 # undef powf | |
| 764 _GL_FUNCDECL_SYS (powf, float, (float x, float y)); | |
| 765 # endif | |
| 766 _GL_CXXALIAS_SYS (powf, float, (float x, float y)); | |
| 767 _GL_CXXALIASWARN (powf); | |
| 768 #elif defined GNULIB_POSIXCHECK | |
| 769 # undef powf | |
| 770 # if HAVE_RAW_DECL_POWF | |
| 771 _GL_WARN_ON_USE (powf, "powf is unportable - " | |
| 772 "use gnulib module powf for portability"); | |
| 773 # endif | |
| 774 #endif | |
| 775 | |
| 776 | |
| 15918 | 777 #if @GNULIB_RINTF@ |
| 778 # if !@HAVE_RINTF@ | |
| 779 _GL_FUNCDECL_SYS (rintf, float, (float x)); | |
| 780 # endif | |
| 781 _GL_CXXALIAS_SYS (rintf, float, (float x)); | |
| 782 _GL_CXXALIASWARN (rintf); | |
| 783 #elif defined GNULIB_POSIXCHECK | |
| 784 # undef rintf | |
| 785 # if HAVE_RAW_DECL_RINTF | |
| 786 _GL_WARN_ON_USE (rintf, "rintf is unportable - " | |
| 787 "use gnulib module rintf for portability"); | |
| 788 # endif | |
| 789 #endif | |
| 790 | |
| 15917 | 791 #if @GNULIB_RINT@ |
| 792 # if !@HAVE_RINT@ | |
| 793 _GL_FUNCDECL_SYS (rint, double, (double x)); | |
| 794 # endif | |
| 795 _GL_CXXALIAS_SYS (rint, double, (double x)); | |
| 796 _GL_CXXALIASWARN (rint); | |
| 797 #elif defined GNULIB_POSIXCHECK | |
| 798 # undef rint | |
| 799 # if HAVE_RAW_DECL_RINT | |
| 800 _GL_WARN_ON_USE (rint, "rint is unportable - " | |
| 801 "use gnulib module rint for portability"); | |
| 802 # endif | |
| 803 #endif | |
| 804 | |
| 15920 | 805 #if @GNULIB_RINTL@ |
| 806 # if !@HAVE_RINTL@ | |
| 807 _GL_FUNCDECL_SYS (rintl, long double, (long double x)); | |
| 808 # endif | |
| 809 _GL_CXXALIAS_SYS (rintl, long double, (long double x)); | |
| 810 _GL_CXXALIASWARN (rintl); | |
| 811 #elif defined GNULIB_POSIXCHECK | |
| 812 # undef rintl | |
| 813 # if HAVE_RAW_DECL_RINTL | |
| 814 _GL_WARN_ON_USE (rintl, "rintl is unportable - " | |
| 815 "use gnulib module rintl for portability"); | |
| 816 # endif | |
| 817 #endif | |
| 818 | |
| 15917 | 819 |
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820 #if @GNULIB_ROUNDF@ |
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821 # if @REPLACE_ROUNDF@ |
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822 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
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823 # undef roundf |
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824 # define roundf rpl_roundf |
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825 # endif |
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826 _GL_FUNCDECL_RPL (roundf, float, (float x)); |
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827 _GL_CXXALIAS_RPL (roundf, float, (float x)); |
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828 # else |
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829 # if !@HAVE_DECL_ROUNDF@ |
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830 _GL_FUNCDECL_SYS (roundf, float, (float x)); |
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831 # endif |
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832 _GL_CXXALIAS_SYS (roundf, float, (float x)); |
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833 # endif |
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834 _GL_CXXALIASWARN (roundf); |
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835 #elif defined GNULIB_POSIXCHECK |
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836 # undef roundf |
|
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837 # if HAVE_RAW_DECL_ROUNDF |
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838 _GL_WARN_ON_USE (roundf, "roundf is unportable - " |
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839 "use gnulib module roundf for portability"); |
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840 # endif |
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841 #endif |
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842 |
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843 #if @GNULIB_ROUND@ |
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844 # if @REPLACE_ROUND@ |
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845 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
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846 # undef round |
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847 # define round rpl_round |
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848 # endif |
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849 _GL_FUNCDECL_RPL (round, double, (double x)); |
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850 _GL_CXXALIAS_RPL (round, double, (double x)); |
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851 # else |
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852 # if !@HAVE_DECL_ROUND@ |
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853 _GL_FUNCDECL_SYS (round, double, (double x)); |
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854 # endif |
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855 _GL_CXXALIAS_SYS (round, double, (double x)); |
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856 # endif |
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857 _GL_CXXALIASWARN (round); |
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858 #elif defined GNULIB_POSIXCHECK |
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859 # undef round |
|
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860 # if HAVE_RAW_DECL_ROUND |
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861 _GL_WARN_ON_USE (round, "round is unportable - " |
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862 "use gnulib module round for portability"); |
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863 # endif |
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864 #endif |
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865 |
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866 #if @GNULIB_ROUNDL@ |
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867 # if @REPLACE_ROUNDL@ |
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868 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
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869 # undef roundl |
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870 # define roundl rpl_roundl |
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871 # endif |
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872 _GL_FUNCDECL_RPL (roundl, long double, (long double x)); |
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873 _GL_CXXALIAS_RPL (roundl, long double, (long double x)); |
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874 # else |
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875 # if !@HAVE_DECL_ROUNDL@ |
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876 _GL_FUNCDECL_SYS (roundl, long double, (long double x)); |
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877 # endif |
|
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878 _GL_CXXALIAS_SYS (roundl, long double, (long double x)); |
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879 # endif |
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880 _GL_CXXALIASWARN (roundl); |
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881 #elif defined GNULIB_POSIXCHECK |
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882 # undef roundl |
|
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883 # if HAVE_RAW_DECL_ROUNDL |
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884 _GL_WARN_ON_USE (roundl, "roundl is unportable - " |
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885 "use gnulib module roundl for portability"); |
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886 # endif |
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887 #endif |
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888 |
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|
889 |
| 15872 | 890 #if @GNULIB_SINF@ |
| 891 # if !@HAVE_SINF@ | |
| 892 # undef sinf | |
| 893 _GL_FUNCDECL_SYS (sinf, float, (float x)); | |
| 894 # endif | |
| 895 _GL_CXXALIAS_SYS (sinf, float, (float x)); | |
| 896 _GL_CXXALIASWARN (sinf); | |
| 897 #elif defined GNULIB_POSIXCHECK | |
| 898 # undef sinf | |
| 899 # if HAVE_RAW_DECL_SINF | |
| 900 _GL_WARN_ON_USE (sinf, "sinf is unportable - " | |
| 901 "use gnulib module sinf for portability"); | |
| 902 # endif | |
| 903 #endif | |
| 904 | |
|
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905 #if @GNULIB_SINL@ |
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906 # if !@HAVE_SINL@ || !@HAVE_DECL_SINL@ |
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907 _GL_FUNCDECL_SYS (sinl, long double, (long double x)); |
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908 # endif |
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909 _GL_CXXALIAS_SYS (sinl, long double, (long double x)); |
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910 _GL_CXXALIASWARN (sinl); |
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|
911 #elif defined GNULIB_POSIXCHECK |
| 9255 | 912 # undef sinl |
|
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913 # if HAVE_RAW_DECL_SINL |
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|
914 _GL_WARN_ON_USE (sinl, "sinl is unportable - " |
|
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|
915 "use gnulib module mathl for portability"); |
|
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|
916 # endif |
| 9255 | 917 #endif |
| 918 | |
| 9285 | 919 |
| 15893 | 920 #if @GNULIB_SINHF@ |
| 921 # if !@HAVE_SINHF@ | |
| 922 # undef sinhf | |
| 923 _GL_FUNCDECL_SYS (sinhf, float, (float x)); | |
| 924 # endif | |
| 925 _GL_CXXALIAS_SYS (sinhf, float, (float x)); | |
| 926 _GL_CXXALIASWARN (sinhf); | |
| 927 #elif defined GNULIB_POSIXCHECK | |
| 928 # undef sinhf | |
| 929 # if HAVE_RAW_DECL_SINHF | |
| 930 _GL_WARN_ON_USE (sinhf, "sinhf is unportable - " | |
| 931 "use gnulib module sinhf for portability"); | |
| 932 # endif | |
| 933 #endif | |
| 934 | |
| 935 | |
| 15857 | 936 #if @GNULIB_SQRTF@ |
| 937 # if !@HAVE_SQRTF@ | |
| 938 # undef sqrtf | |
| 939 _GL_FUNCDECL_SYS (sqrtf, float, (float x)); | |
| 940 # endif | |
| 941 _GL_CXXALIAS_SYS (sqrtf, float, (float x)); | |
| 942 _GL_CXXALIASWARN (sqrtf); | |
| 943 #elif defined GNULIB_POSIXCHECK | |
| 944 # undef sqrtf | |
| 945 # if HAVE_RAW_DECL_SQRTF | |
| 946 _GL_WARN_ON_USE (sqrtf, "sqrtf is unportable - " | |
| 947 "use gnulib module sqrtf for portability"); | |
| 948 # endif | |
| 949 #endif | |
| 950 | |
|
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951 #if @GNULIB_SQRTL@ |
|
73d9dd27dc41
New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
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|
952 # if !@HAVE_SQRTL@ || !@HAVE_DECL_SQRTL@ |
|
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|
953 _GL_FUNCDECL_SYS (sqrtl, long double, (long double x)); |
|
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|
954 # endif |
|
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|
955 _GL_CXXALIAS_SYS (sqrtl, long double, (long double x)); |
|
9be4aca41cee
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|
956 _GL_CXXALIASWARN (sqrtl); |
|
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|
957 #elif defined GNULIB_POSIXCHECK |
| 9255 | 958 # undef sqrtl |
|
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|
959 # if HAVE_RAW_DECL_SQRTL |
|
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|
960 _GL_WARN_ON_USE (sqrtl, "sqrtl is unportable - " |
|
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|
961 "use gnulib module mathl for portability"); |
|
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|
962 # endif |
| 9255 | 963 #endif |
| 964 | |
| 9285 | 965 |
| 15878 | 966 #if @GNULIB_TANF@ |
| 967 # if !@HAVE_TANF@ | |
| 968 # undef tanf | |
| 969 _GL_FUNCDECL_SYS (tanf, float, (float x)); | |
| 970 # endif | |
| 971 _GL_CXXALIAS_SYS (tanf, float, (float x)); | |
| 972 _GL_CXXALIASWARN (tanf); | |
| 973 #elif defined GNULIB_POSIXCHECK | |
| 974 # undef tanf | |
| 975 # if HAVE_RAW_DECL_TANF | |
| 976 _GL_WARN_ON_USE (tanf, "tanf is unportable - " | |
| 977 "use gnulib module tanf for portability"); | |
| 978 # endif | |
| 979 #endif | |
| 980 | |
|
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|
981 #if @GNULIB_TANL@ |
|
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|
982 # if !@HAVE_TANL@ || !@HAVE_DECL_TANL@ |
|
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|
983 _GL_FUNCDECL_SYS (tanl, long double, (long double x)); |
|
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|
984 # endif |
|
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985 _GL_CXXALIAS_SYS (tanl, long double, (long double x)); |
|
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|
986 _GL_CXXALIASWARN (tanl); |
|
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|
987 #elif defined GNULIB_POSIXCHECK |
| 9255 | 988 # undef tanl |
|
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|
989 # if HAVE_RAW_DECL_TANL |
|
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|
990 _GL_WARN_ON_USE (tanl, "tanl is unportable - " |
|
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|
991 "use gnulib module mathl for portability"); |
|
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|
992 # endif |
| 9255 | 993 #endif |
| 994 | |
| 9285 | 995 |
| 15899 | 996 #if @GNULIB_TANHF@ |
| 997 # if !@HAVE_TANHF@ | |
| 998 # undef tanhf | |
| 999 _GL_FUNCDECL_SYS (tanhf, float, (float x)); | |
| 1000 # endif | |
| 1001 _GL_CXXALIAS_SYS (tanhf, float, (float x)); | |
| 1002 _GL_CXXALIASWARN (tanhf); | |
| 1003 #elif defined GNULIB_POSIXCHECK | |
| 1004 # undef tanhf | |
| 1005 # if HAVE_RAW_DECL_TANHF | |
| 1006 _GL_WARN_ON_USE (tanhf, "tanhf is unportable - " | |
| 1007 "use gnulib module tanhf for portability"); | |
| 1008 # endif | |
| 1009 #endif | |
| 1010 | |
| 1011 | |
| 9285 | 1012 #if @GNULIB_TRUNCF@ |
| 13979 | 1013 # if @REPLACE_TRUNCF@ |
| 1014 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
| 1015 # define truncf rpl_truncf | |
| 1016 # endif | |
| 1017 _GL_FUNCDECL_RPL (truncf, float, (float x)); | |
| 1018 _GL_CXXALIAS_RPL (truncf, float, (float x)); | |
| 1019 # else | |
| 1020 # if !@HAVE_DECL_TRUNCF@ | |
|
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|
1021 _GL_FUNCDECL_SYS (truncf, float, (float x)); |
| 13979 | 1022 # endif |
| 1023 _GL_CXXALIAS_SYS (truncf, float, (float x)); | |
|
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|
1024 # endif |
|
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|
1025 _GL_CXXALIASWARN (truncf); |
| 9285 | 1026 #elif defined GNULIB_POSIXCHECK |
| 1027 # undef truncf | |
|
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|
1028 # if HAVE_RAW_DECL_TRUNCF |
|
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changeset
|
1029 _GL_WARN_ON_USE (truncf, "truncf is unportable - " |
|
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changeset
|
1030 "use gnulib module truncf for portability"); |
|
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changeset
|
1031 # endif |
| 9285 | 1032 #endif |
| 1033 | |
| 9282 | 1034 #if @GNULIB_TRUNC@ |
| 13983 | 1035 # if @REPLACE_TRUNC@ |
| 1036 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
| 1037 # define trunc rpl_trunc | |
| 1038 # endif | |
| 1039 _GL_FUNCDECL_RPL (trunc, double, (double x)); | |
| 1040 _GL_CXXALIAS_RPL (trunc, double, (double x)); | |
| 1041 # else | |
| 1042 # if !@HAVE_DECL_TRUNC@ | |
|
13143
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|
1043 _GL_FUNCDECL_SYS (trunc, double, (double x)); |
| 13983 | 1044 # endif |
| 1045 _GL_CXXALIAS_SYS (trunc, double, (double x)); | |
|
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|
1046 # endif |
|
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|
1047 _GL_CXXALIASWARN (trunc); |
| 9282 | 1048 #elif defined GNULIB_POSIXCHECK |
| 1049 # undef trunc | |
|
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|
1050 # if HAVE_RAW_DECL_TRUNC |
|
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|
1051 _GL_WARN_ON_USE (trunc, "trunc is unportable - " |
|
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|
1052 "use gnulib module trunc for portability"); |
|
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|
1053 # endif |
| 9282 | 1054 #endif |
| 1055 | |
| 9287 | 1056 #if @GNULIB_TRUNCL@ |
|
9913
d3f5a70dc1ba
Make truncl work on OSF/1 4.0.
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changeset
|
1057 # if @REPLACE_TRUNCL@ |
|
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|
1058 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
|
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|
1059 # undef truncl |
|
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|
1060 # define truncl rpl_truncl |
|
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|
1061 # endif |
|
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|
1062 _GL_FUNCDECL_RPL (truncl, long double, (long double x)); |
|
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|
1063 _GL_CXXALIAS_RPL (truncl, long double, (long double x)); |
|
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|
1064 # else |
|
13142
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changeset
|
1065 # if !@HAVE_DECL_TRUNCL@ |
|
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diff
changeset
|
1066 _GL_FUNCDECL_SYS (truncl, long double, (long double x)); |
|
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|
1067 # endif |
|
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|
1068 _GL_CXXALIAS_SYS (truncl, long double, (long double x)); |
| 9287 | 1069 # endif |
|
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|
1070 _GL_CXXALIASWARN (truncl); |
| 9287 | 1071 #elif defined GNULIB_POSIXCHECK |
| 1072 # undef truncl | |
|
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|
1073 # if HAVE_RAW_DECL_TRUNCL |
|
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changeset
|
1074 _GL_WARN_ON_USE (truncl, "truncl is unportable - " |
|
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diff
changeset
|
1075 "use gnulib module truncl for portability"); |
|
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changeset
|
1076 # endif |
| 9287 | 1077 #endif |
| 1078 | |
|
9418
5e7b33ec70ff
Add/remove some blank lines.
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9414
diff
changeset
|
1079 |
|
15840
61fe30185561
math: Sort function declarations of math.in.h.
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15838
diff
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|
1080 /* Definitions of function-like macros come here, after the function |
|
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|
1081 declarations. */ |
|
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|
1082 |
|
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|
1083 |
|
9414
1c5d0b856e8b
Implement 'isfinite' module.
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diff
changeset
|
1084 #if @GNULIB_ISFINITE@ |
|
9423
fa47aa8bb105
Use REPLACE_ISFINITE instead of HAVE_DECL_ISFINITE.
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9420
diff
changeset
|
1085 # if @REPLACE_ISFINITE@ |
|
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|
1086 _GL_EXTERN_C int gl_isfinitef (float x); |
|
9be4aca41cee
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|
1087 _GL_EXTERN_C int gl_isfinited (double x); |
|
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|
1088 _GL_EXTERN_C int gl_isfinitel (long double x); |
|
9414
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Implement 'isfinite' module.
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changeset
|
1089 # undef isfinite |
|
1c5d0b856e8b
Implement 'isfinite' module.
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diff
changeset
|
1090 # define isfinite(x) \ |
|
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Implement 'isfinite' module.
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|
1091 (sizeof (x) == sizeof (long double) ? gl_isfinitel (x) : \ |
|
1c5d0b856e8b
Implement 'isfinite' module.
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|
1092 sizeof (x) == sizeof (double) ? gl_isfinited (x) : \ |
|
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changeset
|
1093 gl_isfinitef (x)) |
|
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changeset
|
1094 # endif |
|
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|
1095 # ifdef __cplusplus |
|
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|
1096 # ifdef isfinite |
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|
1097 _GL_MATH_CXX_REAL_FLOATING_DECL_1 (isfinite) |
|
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|
1098 # undef isfinite |
|
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changeset
|
1099 _GL_MATH_CXX_REAL_FLOATING_DECL_2 (isfinite) |
|
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|
1100 # endif |
|
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|
1101 # endif |
|
9414
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parents:
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diff
changeset
|
1102 #elif defined GNULIB_POSIXCHECK |
|
12726
d6da6e5f2f62
math: add portability warnings for classification macros
Eric Blake <ebb9@byu.net>
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12559
diff
changeset
|
1103 # if defined isfinite |
|
d6da6e5f2f62
math: add portability warnings for classification macros
Eric Blake <ebb9@byu.net>
parents:
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diff
changeset
|
1104 _GL_WARN_REAL_FLOATING_DECL (isfinite); |
|
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|
1105 # undef isfinite |
|
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|
1106 # define isfinite(x) _GL_WARN_REAL_FLOATING_IMPL (isfinite, x) |
|
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|
1107 # endif |
|
9414
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|
1108 #endif |
| 9255 | 1109 |
|
9418
5e7b33ec70ff
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|
1110 |
| 10287 | 1111 #if @GNULIB_ISINF@ |
| 1112 # if @REPLACE_ISINF@ | |
|
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|
1113 _GL_EXTERN_C int gl_isinff (float x); |
|
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|
1114 _GL_EXTERN_C int gl_isinfd (double x); |
|
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math: Avoid #define replacements in C++ mode.
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|
1115 _GL_EXTERN_C int gl_isinfl (long double x); |
| 10287 | 1116 # undef isinf |
| 1117 # define isinf(x) \ | |
| 1118 (sizeof (x) == sizeof (long double) ? gl_isinfl (x) : \ | |
| 1119 sizeof (x) == sizeof (double) ? gl_isinfd (x) : \ | |
| 1120 gl_isinff (x)) | |
| 1121 # endif | |
|
15982
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Bruno Haible <bruno@clisp.org>
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diff
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|
1122 # ifdef __cplusplus |
|
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Bruno Haible <bruno@clisp.org>
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|
1123 # ifdef isinf |
|
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Bruno Haible <bruno@clisp.org>
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diff
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|
1124 _GL_MATH_CXX_REAL_FLOATING_DECL_1 (isinf) |
|
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Bruno Haible <bruno@clisp.org>
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|
1125 # undef isinf |
|
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Bruno Haible <bruno@clisp.org>
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15962
diff
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|
1126 _GL_MATH_CXX_REAL_FLOATING_DECL_2 (isinf) |
|
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isfinite, isinf, isnan, signbit: Don't define as a macro in C++.
Bruno Haible <bruno@clisp.org>
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|
1127 # endif |
|
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Bruno Haible <bruno@clisp.org>
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diff
changeset
|
1128 # endif |
| 10287 | 1129 #elif defined GNULIB_POSIXCHECK |
|
12726
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Eric Blake <ebb9@byu.net>
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|
1130 # if defined isinf |
|
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diff
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|
1131 _GL_WARN_REAL_FLOATING_DECL (isinf); |
|
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math: add portability warnings for classification macros
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12559
diff
changeset
|
1132 # undef isinf |
|
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diff
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|
1133 # define isinf(x) _GL_WARN_REAL_FLOATING_IMPL (isinf, x) |
|
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math: add portability warnings for classification macros
Eric Blake <ebb9@byu.net>
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diff
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|
1134 # endif |
| 10287 | 1135 #endif |
| 1136 | |
| 1137 | |
|
10667
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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10655
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|
1138 #if @GNULIB_ISNANF@ |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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|
1139 /* Test for NaN for 'float' numbers. */ |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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changeset
|
1140 # if @HAVE_ISNANF@ |
|
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Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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diff
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|
1141 /* 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>
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|
1142 or (older) isnanf function. */ |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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|
1143 # if __GNUC__ >= 4 |
|
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Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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|
1144 /* GCC 4.0 and newer provides three built-ins for isnan. */ |
|
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Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
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|
1145 # undef isnanf |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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|
1146 # define isnanf(x) __builtin_isnanf ((float)(x)) |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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changeset
|
1147 # elif defined isnan |
|
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Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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diff
changeset
|
1148 # undef isnanf |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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diff
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|
1149 # define isnanf(x) isnan ((float)(x)) |
|
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Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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|
1150 # endif |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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10655
diff
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|
1151 # else |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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10655
diff
changeset
|
1152 /* Test whether X is a NaN. */ |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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diff
changeset
|
1153 # undef isnanf |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
changeset
|
1154 # define isnanf rpl_isnanf |
|
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math: Avoid #define replacements in C++ mode.
Bruno Haible <bruno@clisp.org>
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12927
diff
changeset
|
1155 _GL_EXTERN_C int isnanf (float x); |
|
10667
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
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diff
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|
1156 # endif |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
parents:
10655
diff
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|
1157 #endif |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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|
1158 |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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diff
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|
1159 #if @GNULIB_ISNAND@ |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
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diff
changeset
|
1160 /* Test for NaN for 'double' numbers. |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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diff
changeset
|
1161 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>
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diff
changeset
|
1162 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>
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diff
changeset
|
1163 # if @HAVE_ISNAND@ |
|
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Paul Eggert <eggert@cs.ucla.edu>
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|
1164 /* 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
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|
1165 macro. */ |
|
10667
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
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changeset
|
1166 # if __GNUC__ >= 4 |
|
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Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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|
1167 /* 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>
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10655
diff
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|
1168 # undef isnand |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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diff
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|
1169 # define isnand(x) __builtin_isnan ((double)(x)) |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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diff
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|
1170 # else |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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changeset
|
1171 # undef isnand |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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|
1172 # define isnand(x) isnan ((double)(x)) |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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|
1173 # endif |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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|
1174 # else |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
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changeset
|
1175 /* Test whether X is a NaN. */ |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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|
1176 # undef isnand |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
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|
1177 # define isnand rpl_isnand |
|
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math: Avoid #define replacements in C++ mode.
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12927
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|
1178 _GL_EXTERN_C int isnand (double x); |
|
10667
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
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|
1179 # endif |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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|
1180 #endif |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
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|
1181 |
|
678640901735
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Bruno Haible <bruno@clisp.org>
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|
1182 #if @GNULIB_ISNANL@ |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
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|
1183 /* Test for NaN for 'long double' numbers. */ |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
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diff
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|
1184 # if @HAVE_ISNANL@ |
|
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|
1185 /* The original <math.h> included above provides a declaration of isnan |
|
e50f7d9e3040
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|
1186 macro or (older) isnanl function. */ |
|
10667
678640901735
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|
1187 # if __GNUC__ >= 4 |
|
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|
1188 /* GCC 4.0 and newer provides three built-ins for isnan. */ |
|
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Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
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|
1189 # undef isnanl |
|
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Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
Bruno Haible <bruno@clisp.org>
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|
1190 # define isnanl(x) __builtin_isnanl ((long double)(x)) |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
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|
1191 # elif defined isnan |
|
678640901735
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|
1192 # undef isnanl |
|
678640901735
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|
1193 # define isnanl(x) isnan ((long double)(x)) |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
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|
1194 # endif |
|
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Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
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|
1195 # else |
|
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changeset
|
1196 /* Test whether X is a NaN. */ |
|
678640901735
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|
1197 # undef isnanl |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
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|
1198 # define isnanl rpl_isnanl |
|
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|
1199 _GL_EXTERN_C int isnanl (long double x); |
|
10667
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|
1200 # endif |
|
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|
1201 #endif |
|
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|
1202 |
|
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
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|
1203 /* This must come *after* the snippets for GNULIB_ISNANF and GNULIB_ISNANL! */ |
| 10267 | 1204 #if @GNULIB_ISNAN@ |
| 1205 # if @REPLACE_ISNAN@ | |
| 1206 /* We can't just use the isnanf macro (e.g.) as exposed by | |
| 1207 isnanf.h (e.g.) here, because those may end up being macros | |
| 1208 that recursively expand back to isnan. So use the gnulib | |
| 1209 replacements for them directly. */ | |
|
10667
678640901735
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Bruno Haible <bruno@clisp.org>
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changeset
|
1210 # if @HAVE_ISNANF@ && __GNUC__ >= 4 |
|
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|
1211 # define gl_isnan_f(x) __builtin_isnanf ((float)(x)) |
| 10267 | 1212 # else |
|
12936
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|
1213 _GL_EXTERN_C int rpl_isnanf (float x); |
| 10267 | 1214 # define gl_isnan_f(x) rpl_isnanf (x) |
| 1215 # endif | |
|
10667
678640901735
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|
1216 # if @HAVE_ISNAND@ && __GNUC__ >= 4 |
| 10267 | 1217 # define gl_isnan_d(x) __builtin_isnan ((double)(x)) |
| 1218 # else | |
|
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changeset
|
1219 _GL_EXTERN_C int rpl_isnand (double x); |
| 10267 | 1220 # define gl_isnan_d(x) rpl_isnand (x) |
| 1221 # endif | |
|
10667
678640901735
Move the isnanf(), isnand(), isnanl() declarations to <math.h>.
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|
1222 # if @HAVE_ISNANL@ && __GNUC__ >= 4 |
|
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Bruno Haible <bruno@clisp.org>
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|
1223 # define gl_isnan_l(x) __builtin_isnanl ((long double)(x)) |
| 10267 | 1224 # else |
|
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Bruno Haible <bruno@clisp.org>
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|
1225 _GL_EXTERN_C int rpl_isnanl (long double x); |
| 10267 | 1226 # define gl_isnan_l(x) rpl_isnanl (x) |
| 1227 # endif | |
| 1228 # undef isnan | |
| 1229 # define isnan(x) \ | |
| 1230 (sizeof (x) == sizeof (long double) ? gl_isnan_l (x) : \ | |
| 1231 sizeof (x) == sizeof (double) ? gl_isnan_d (x) : \ | |
| 1232 gl_isnan_f (x)) | |
|
14060
99b3a26ce54b
isnan: Use GCC built-ins when possible.
Bruno Haible <bruno@clisp.org>
parents:
13983
diff
changeset
|
1233 # elif __GNUC__ >= 4 |
|
99b3a26ce54b
isnan: Use GCC built-ins when possible.
Bruno Haible <bruno@clisp.org>
parents:
13983
diff
changeset
|
1234 # undef isnan |
|
99b3a26ce54b
isnan: Use GCC built-ins when possible.
Bruno Haible <bruno@clisp.org>
parents:
13983
diff
changeset
|
1235 # define isnan(x) \ |
|
99b3a26ce54b
isnan: Use GCC built-ins when possible.
Bruno Haible <bruno@clisp.org>
parents:
13983
diff
changeset
|
1236 (sizeof (x) == sizeof (long double) ? __builtin_isnanl ((long double)(x)) : \ |
|
99b3a26ce54b
isnan: Use GCC built-ins when possible.
Bruno Haible <bruno@clisp.org>
parents:
13983
diff
changeset
|
1237 sizeof (x) == sizeof (double) ? __builtin_isnan ((double)(x)) : \ |
|
99b3a26ce54b
isnan: Use GCC built-ins when possible.
Bruno Haible <bruno@clisp.org>
parents:
13983
diff
changeset
|
1238 __builtin_isnanf ((float)(x))) |
| 10267 | 1239 # endif |
|
15982
a63613865d90
isfinite, isinf, isnan, signbit: Don't define as a macro in C++.
Bruno Haible <bruno@clisp.org>
parents:
15962
diff
changeset
|
1240 # ifdef __cplusplus |
|
a63613865d90
isfinite, isinf, isnan, signbit: Don't define as a macro in C++.
Bruno Haible <bruno@clisp.org>
parents:
15962
diff
changeset
|
1241 # ifdef isnan |
|
a63613865d90
isfinite, isinf, isnan, signbit: Don't define as a macro in C++.
Bruno Haible <bruno@clisp.org>
parents:
15962
diff
changeset
|
1242 _GL_MATH_CXX_REAL_FLOATING_DECL_1 (isnan) |
|
a63613865d90
isfinite, isinf, isnan, signbit: Don't define as a macro in C++.
Bruno Haible <bruno@clisp.org>
parents:
15962
diff
changeset
|
1243 # undef isnan |
|
a63613865d90
isfinite, isinf, isnan, signbit: Don't define as a macro in C++.
Bruno Haible <bruno@clisp.org>
parents:
15962
diff
changeset
|
1244 _GL_MATH_CXX_REAL_FLOATING_DECL_2 (isnan) |
|
a63613865d90
isfinite, isinf, isnan, signbit: Don't define as a macro in C++.
Bruno Haible <bruno@clisp.org>
parents:
15962
diff
changeset
|
1245 # endif |
|
a63613865d90
isfinite, isinf, isnan, signbit: Don't define as a macro in C++.
Bruno Haible <bruno@clisp.org>
parents:
15962
diff
changeset
|
1246 # else |
|
13960
51218504eb9d
isnan: Ensure it is a macro.
Bruno Haible <bruno@clisp.org>
parents:
13761
diff
changeset
|
1247 /* Ensure isnan is a macro. */ |
|
15982
a63613865d90
isfinite, isinf, isnan, signbit: Don't define as a macro in C++.
Bruno Haible <bruno@clisp.org>
parents:
15962
diff
changeset
|
1248 # ifndef isnan |
|
a63613865d90
isfinite, isinf, isnan, signbit: Don't define as a macro in C++.
Bruno Haible <bruno@clisp.org>
parents:
15962
diff
changeset
|
1249 # define isnan isnan |
|
a63613865d90
isfinite, isinf, isnan, signbit: Don't define as a macro in C++.
Bruno Haible <bruno@clisp.org>
parents:
15962
diff
changeset
|
1250 # endif |
|
13960
51218504eb9d
isnan: Ensure it is a macro.
Bruno Haible <bruno@clisp.org>
parents:
13761
diff
changeset
|
1251 # endif |
| 10267 | 1252 #elif defined GNULIB_POSIXCHECK |
|
12726
d6da6e5f2f62
math: add portability warnings for classification macros
Eric Blake <ebb9@byu.net>
parents:
12559
diff
changeset
|
1253 # if defined isnan |
|
d6da6e5f2f62
math: add portability warnings for classification macros
Eric Blake <ebb9@byu.net>
parents:
12559
diff
changeset
|
1254 _GL_WARN_REAL_FLOATING_DECL (isnan); |
|
d6da6e5f2f62
math: add portability warnings for classification macros
Eric Blake <ebb9@byu.net>
parents:
12559
diff
changeset
|
1255 # undef isnan |
|
d6da6e5f2f62
math: add portability warnings for classification macros
Eric Blake <ebb9@byu.net>
parents:
12559
diff
changeset
|
1256 # define isnan(x) _GL_WARN_REAL_FLOATING_IMPL (isnan, x) |
|
d6da6e5f2f62
math: add portability warnings for classification macros
Eric Blake <ebb9@byu.net>
parents:
12559
diff
changeset
|
1257 # endif |
| 10267 | 1258 #endif |
| 1259 | |
| 1260 | |
| 9255 | 1261 #if @GNULIB_SIGNBIT@ |
|
9645
c8174371956e
Exploit the __builtin_signbit GCC built-in.
Bruno Haible <bruno@clisp.org>
parents:
9465
diff
changeset
|
1262 # if @REPLACE_SIGNBIT_USING_GCC@ |
|
c8174371956e
Exploit the __builtin_signbit GCC built-in.
Bruno Haible <bruno@clisp.org>
parents:
9465
diff
changeset
|
1263 # undef signbit |
|
c8174371956e
Exploit the __builtin_signbit GCC built-in.
Bruno Haible <bruno@clisp.org>
parents:
9465
diff
changeset
|
1264 /* GCC 4.0 and newer provides three built-ins for signbit. */ |
|
c8174371956e
Exploit the __builtin_signbit GCC built-in.
Bruno Haible <bruno@clisp.org>
parents:
9465
diff
changeset
|
1265 # define signbit(x) \ |
|
c8174371956e
Exploit the __builtin_signbit GCC built-in.
Bruno Haible <bruno@clisp.org>
parents:
9465
diff
changeset
|
1266 (sizeof (x) == sizeof (long double) ? __builtin_signbitl (x) : \ |
|
c8174371956e
Exploit the __builtin_signbit GCC built-in.
Bruno Haible <bruno@clisp.org>
parents:
9465
diff
changeset
|
1267 sizeof (x) == sizeof (double) ? __builtin_signbit (x) : \ |
|
c8174371956e
Exploit the __builtin_signbit GCC built-in.
Bruno Haible <bruno@clisp.org>
parents:
9465
diff
changeset
|
1268 __builtin_signbitf (x)) |
|
c8174371956e
Exploit the __builtin_signbit GCC built-in.
Bruno Haible <bruno@clisp.org>
parents:
9465
diff
changeset
|
1269 # endif |
| 9255 | 1270 # if @REPLACE_SIGNBIT@ |
| 1271 # undef signbit | |
|
12936
9be4aca41cee
math: Avoid #define replacements in C++ mode.
Bruno Haible <bruno@clisp.org>
parents:
12927
diff
changeset
|
1272 _GL_EXTERN_C int gl_signbitf (float arg); |
|
9be4aca41cee
math: Avoid #define replacements in C++ mode.
Bruno Haible <bruno@clisp.org>
parents:
12927
diff
changeset
|
1273 _GL_EXTERN_C int gl_signbitd (double arg); |
|
9be4aca41cee
math: Avoid #define replacements in C++ mode.
Bruno Haible <bruno@clisp.org>
parents:
12927
diff
changeset
|
1274 _GL_EXTERN_C int gl_signbitl (long double arg); |
|
15962
cfa1d5dbe78c
Support for old NeXTstep 3.3 gcc.
Daniel Richard G <skunk@iskunk.org>
parents:
15920
diff
changeset
|
1275 # if __GNUC__ >= 2 && !defined __STRICT_ANSI__ |
|
13758
e50f7d9e3040
Avoid some lines longer than 80 characters.
Paul Eggert <eggert@cs.ucla.edu>
parents:
13164
diff
changeset
|
1276 # define _GL_NUM_UINT_WORDS(type) \ |
|
e50f7d9e3040
Avoid some lines longer than 80 characters.
Paul Eggert <eggert@cs.ucla.edu>
parents:
13164
diff
changeset
|
1277 ((sizeof (type) + sizeof (unsigned int) - 1) / sizeof (unsigned int)) |
|
11506
d800366aa3fe
Avoid link error when creating a namespace clean library.
Bruno Haible <bruno@clisp.org>
parents:
10836
diff
changeset
|
1278 # if defined FLT_SIGNBIT_WORD && defined FLT_SIGNBIT_BIT && !defined gl_signbitf |
|
11525
0b09102d516e
Fix compilation error introduced on 2009-04-25.
Bruno Haible <bruno@clisp.org>
parents:
11506
diff
changeset
|
1279 # define gl_signbitf_OPTIMIZED_MACRO |
| 9255 | 1280 # define gl_signbitf(arg) \ |
|
12421
e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
11741
diff
changeset
|
1281 ({ union { float _value; \ |
|
13758
e50f7d9e3040
Avoid some lines longer than 80 characters.
Paul Eggert <eggert@cs.ucla.edu>
parents:
13164
diff
changeset
|
1282 unsigned int _word[_GL_NUM_UINT_WORDS (float)]; \ |
|
12421
e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
11741
diff
changeset
|
1283 } _m; \ |
|
e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
11741
diff
changeset
|
1284 _m._value = (arg); \ |
|
e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
11741
diff
changeset
|
1285 (_m._word[FLT_SIGNBIT_WORD] >> FLT_SIGNBIT_BIT) & 1; \ |
| 9255 | 1286 }) |
| 1287 # endif | |
|
11506
d800366aa3fe
Avoid link error when creating a namespace clean library.
Bruno Haible <bruno@clisp.org>
parents:
10836
diff
changeset
|
1288 # if defined DBL_SIGNBIT_WORD && defined DBL_SIGNBIT_BIT && !defined gl_signbitd |
|
11525
0b09102d516e
Fix compilation error introduced on 2009-04-25.
Bruno Haible <bruno@clisp.org>
parents:
11506
diff
changeset
|
1289 # define gl_signbitd_OPTIMIZED_MACRO |
| 9255 | 1290 # define gl_signbitd(arg) \ |
|
13758
e50f7d9e3040
Avoid some lines longer than 80 characters.
Paul Eggert <eggert@cs.ucla.edu>
parents:
13164
diff
changeset
|
1291 ({ union { double _value; \ |
|
e50f7d9e3040
Avoid some lines longer than 80 characters.
Paul Eggert <eggert@cs.ucla.edu>
parents:
13164
diff
changeset
|
1292 unsigned int _word[_GL_NUM_UINT_WORDS (double)]; \ |
|
12421
e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
11741
diff
changeset
|
1293 } _m; \ |
|
e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
11741
diff
changeset
|
1294 _m._value = (arg); \ |
|
e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
11741
diff
changeset
|
1295 (_m._word[DBL_SIGNBIT_WORD] >> DBL_SIGNBIT_BIT) & 1; \ |
| 9255 | 1296 }) |
| 1297 # endif | |
|
11506
d800366aa3fe
Avoid link error when creating a namespace clean library.
Bruno Haible <bruno@clisp.org>
parents:
10836
diff
changeset
|
1298 # if defined LDBL_SIGNBIT_WORD && defined LDBL_SIGNBIT_BIT && !defined gl_signbitl |
|
11525
0b09102d516e
Fix compilation error introduced on 2009-04-25.
Bruno Haible <bruno@clisp.org>
parents:
11506
diff
changeset
|
1299 # define gl_signbitl_OPTIMIZED_MACRO |
| 9255 | 1300 # define gl_signbitl(arg) \ |
|
12421
e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
11741
diff
changeset
|
1301 ({ union { long double _value; \ |
|
13758
e50f7d9e3040
Avoid some lines longer than 80 characters.
Paul Eggert <eggert@cs.ucla.edu>
parents:
13164
diff
changeset
|
1302 unsigned int _word[_GL_NUM_UINT_WORDS (long double)]; \ |
|
12421
e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
11741
diff
changeset
|
1303 } _m; \ |
|
e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
11741
diff
changeset
|
1304 _m._value = (arg); \ |
|
13758
e50f7d9e3040
Avoid some lines longer than 80 characters.
Paul Eggert <eggert@cs.ucla.edu>
parents:
13164
diff
changeset
|
1305 (_m._word[LDBL_SIGNBIT_WORD] >> LDBL_SIGNBIT_BIT) & 1; \ |
| 9255 | 1306 }) |
| 1307 # endif | |
| 1308 # endif | |
| 1309 # define signbit(x) \ | |
| 1310 (sizeof (x) == sizeof (long double) ? gl_signbitl (x) : \ | |
| 1311 sizeof (x) == sizeof (double) ? gl_signbitd (x) : \ | |
| 1312 gl_signbitf (x)) | |
| 1313 # endif | |
|
15982
a63613865d90
isfinite, isinf, isnan, signbit: Don't define as a macro in C++.
Bruno Haible <bruno@clisp.org>
parents:
15962
diff
changeset
|
1314 # ifdef __cplusplus |
|
a63613865d90
isfinite, isinf, isnan, signbit: Don't define as a macro in C++.
Bruno Haible <bruno@clisp.org>
parents:
15962
diff
changeset
|
1315 # ifdef signbit |
|
a63613865d90
isfinite, isinf, isnan, signbit: Don't define as a macro in C++.
Bruno Haible <bruno@clisp.org>
parents:
15962
diff
changeset
|
1316 _GL_MATH_CXX_REAL_FLOATING_DECL_1 (signbit) |
|
a63613865d90
isfinite, isinf, isnan, signbit: Don't define as a macro in C++.
Bruno Haible <bruno@clisp.org>
parents:
15962
diff
changeset
|
1317 # undef signbit |
|
a63613865d90
isfinite, isinf, isnan, signbit: Don't define as a macro in C++.
Bruno Haible <bruno@clisp.org>
parents:
15962
diff
changeset
|
1318 _GL_MATH_CXX_REAL_FLOATING_DECL_2 (signbit) |
|
a63613865d90
isfinite, isinf, isnan, signbit: Don't define as a macro in C++.
Bruno Haible <bruno@clisp.org>
parents:
15962
diff
changeset
|
1319 # endif |
|
a63613865d90
isfinite, isinf, isnan, signbit: Don't define as a macro in C++.
Bruno Haible <bruno@clisp.org>
parents:
15962
diff
changeset
|
1320 # endif |
| 9255 | 1321 #elif defined GNULIB_POSIXCHECK |
|
12726
d6da6e5f2f62
math: add portability warnings for classification macros
Eric Blake <ebb9@byu.net>
parents:
12559
diff
changeset
|
1322 # if defined signbit |
|
d6da6e5f2f62
math: add portability warnings for classification macros
Eric Blake <ebb9@byu.net>
parents:
12559
diff
changeset
|
1323 _GL_WARN_REAL_FLOATING_DECL (signbit); |
|
d6da6e5f2f62
math: add portability warnings for classification macros
Eric Blake <ebb9@byu.net>
parents:
12559
diff
changeset
|
1324 # undef signbit |
|
d6da6e5f2f62
math: add portability warnings for classification macros
Eric Blake <ebb9@byu.net>
parents:
12559
diff
changeset
|
1325 # define signbit(x) _GL_WARN_REAL_FLOATING_IMPL (signbit, x) |
|
d6da6e5f2f62
math: add portability warnings for classification macros
Eric Blake <ebb9@byu.net>
parents:
12559
diff
changeset
|
1326 # endif |
| 9255 | 1327 #endif |
| 1328 | |
| 1329 | |
|
14840
5f709022a256
Allow multiple gnulib generated include files to be combined.
Bruno Haible <bruno@clisp.org>
parents:
14274
diff
changeset
|
1330 #endif /* _@GUARD_PREFIX@_MATH_H */ |
|
5f709022a256
Allow multiple gnulib generated include files to be combined.
Bruno Haible <bruno@clisp.org>
parents:
14274
diff
changeset
|
1331 #endif /* _@GUARD_PREFIX@_MATH_H */ |