HCoop / bpt / guile.git / blame
| Commit | Line | Data |
|---|---|---|
| 005de2e8 | 1 | # math_h.m4 serial 113 |
| f0007cad | 2 | dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. |
| 2e65b52f LC |
3 | dnl This file is free software; the Free Software Foundation |
| 4 | dnl gives unlimited permission to copy and/or distribute it, | |
| 5 | dnl with or without modifications, as long as this notice is preserved. | |
| 6 | ||
| 7 | AC_DEFUN([gl_MATH_H], | |
| 8 | [ | |
| 9 | AC_REQUIRE([gl_MATH_H_DEFAULTS]) | |
| 10 | gl_CHECK_NEXT_HEADERS([math.h]) | |
| 11 | AC_REQUIRE([AC_C_INLINE]) | |
| 12 | ||
| 13 | AC_CACHE_CHECK([whether NAN macro works], [gl_cv_header_math_nan_works], | |
| 14 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <math.h>]], | |
| 15 | [[/* Solaris 10 has a broken definition of NAN. Other platforms | |
| 16 | fail to provide NAN, or provide it only in C99 mode; this | |
| 17 | test only needs to fail when NAN is provided but wrong. */ | |
| 18 | float f = 1.0f; | |
| 19 | #ifdef NAN | |
| 20 | f = NAN; | |
| 21 | #endif | |
| 22 | return f == 0;]])], | |
| 23 | [gl_cv_header_math_nan_works=yes], | |
| 24 | [gl_cv_header_math_nan_works=no])]) | |
| 25 | if test $gl_cv_header_math_nan_works = no; then | |
| 26 | REPLACE_NAN=1 | |
| 27 | fi | |
| 28 | AC_CACHE_CHECK([whether HUGE_VAL works], [gl_cv_header_math_huge_val_works], | |
| 29 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <math.h>]], | |
| 30 | [[/* Solaris 10 has a broken definition of HUGE_VAL. */ | |
| 31 | double d = HUGE_VAL; | |
| 32 | return d == 0;]])], | |
| 33 | [gl_cv_header_math_huge_val_works=yes], | |
| 34 | [gl_cv_header_math_huge_val_works=no])]) | |
| 35 | if test $gl_cv_header_math_huge_val_works = no; then | |
| 36 | REPLACE_HUGE_VAL=1 | |
| 37 | fi | |
| 38 | ||
| 39 | dnl Check for declarations of anything we want to poison if the | |
| 40 | dnl corresponding gnulib module is not in use. | |
| 35428fb6 LC |
41 | gl_WARN_ON_USE_PREPARE([[#include <math.h>]], |
| 42 | [acosf acosl asinf asinl atanf atanl | |
| 005de2e8 LC |
43 | cbrt cbrtf cbrtl ceilf ceill copysign copysignf copysignl cosf cosl coshf |
| 44 | expf expl exp2 exp2f exp2l expm1 expm1f expm1l | |
| 45 | fabsf fabsl floorf floorl fma fmaf fmal | |
| 46 | fmod fmodf fmodl frexpf frexpl hypotf hypotl | |
| 47 | ilogb ilogbf ilogbl | |
| 48 | ldexpf ldexpl | |
| 49 | log logf logl log10 log10f log10l log1p log1pf log1pl log2 log2f log2l | |
| 50 | logb logbf logbl | |
| 51 | modf modff modfl powf | |
| 52 | remainder remainderf remainderl | |
| 35428fb6 LC |
53 | rint rintf rintl round roundf roundl sinf sinl sinhf sqrtf sqrtl |
| 54 | tanf tanl tanhf trunc truncf truncl]) | |
| 2e65b52f LC |
55 | ]) |
| 56 | ||
| 57 | AC_DEFUN([gl_MATH_MODULE_INDICATOR], | |
| 58 | [ | |
| 59 | dnl Use AC_REQUIRE here, so that the default settings are expanded once only. | |
| 60 | AC_REQUIRE([gl_MATH_H_DEFAULTS]) | |
| 61 | gl_MODULE_INDICATOR_SET_VARIABLE([$1]) | |
| 62 | dnl Define it also as a C macro, for the benefit of the unit tests. | |
| 63 | gl_MODULE_INDICATOR_FOR_TESTS([$1]) | |
| 64 | ]) | |
| 65 | ||
| 66 | AC_DEFUN([gl_MATH_H_DEFAULTS], | |
| 67 | [ | |
| 005de2e8 LC |
68 | GNULIB_ACOSF=0; AC_SUBST([GNULIB_ACOSF]) |
| 69 | GNULIB_ACOSL=0; AC_SUBST([GNULIB_ACOSL]) | |
| 70 | GNULIB_ASINF=0; AC_SUBST([GNULIB_ASINF]) | |
| 71 | GNULIB_ASINL=0; AC_SUBST([GNULIB_ASINL]) | |
| 72 | GNULIB_ATANF=0; AC_SUBST([GNULIB_ATANF]) | |
| 73 | GNULIB_ATANL=0; AC_SUBST([GNULIB_ATANL]) | |
| 74 | GNULIB_ATAN2F=0; AC_SUBST([GNULIB_ATAN2F]) | |
| 75 | GNULIB_CBRT=0; AC_SUBST([GNULIB_CBRT]) | |
| 76 | GNULIB_CBRTF=0; AC_SUBST([GNULIB_CBRTF]) | |
| 77 | GNULIB_CBRTL=0; AC_SUBST([GNULIB_CBRTL]) | |
| 78 | GNULIB_CEIL=0; AC_SUBST([GNULIB_CEIL]) | |
| 79 | GNULIB_CEILF=0; AC_SUBST([GNULIB_CEILF]) | |
| 80 | GNULIB_CEILL=0; AC_SUBST([GNULIB_CEILL]) | |
| 81 | GNULIB_COPYSIGN=0; AC_SUBST([GNULIB_COPYSIGN]) | |
| 82 | GNULIB_COPYSIGNF=0; AC_SUBST([GNULIB_COPYSIGNF]) | |
| 83 | GNULIB_COPYSIGNL=0; AC_SUBST([GNULIB_COPYSIGNL]) | |
| 84 | GNULIB_COSF=0; AC_SUBST([GNULIB_COSF]) | |
| 85 | GNULIB_COSL=0; AC_SUBST([GNULIB_COSL]) | |
| 86 | GNULIB_COSHF=0; AC_SUBST([GNULIB_COSHF]) | |
| 87 | GNULIB_EXPF=0; AC_SUBST([GNULIB_EXPF]) | |
| 88 | GNULIB_EXPL=0; AC_SUBST([GNULIB_EXPL]) | |
| 89 | GNULIB_EXP2=0; AC_SUBST([GNULIB_EXP2]) | |
| 90 | GNULIB_EXP2F=0; AC_SUBST([GNULIB_EXP2F]) | |
| 91 | GNULIB_EXP2L=0; AC_SUBST([GNULIB_EXP2L]) | |
| 92 | GNULIB_EXPM1=0; AC_SUBST([GNULIB_EXPM1]) | |
| 93 | GNULIB_EXPM1F=0; AC_SUBST([GNULIB_EXPM1F]) | |
| 94 | GNULIB_EXPM1L=0; AC_SUBST([GNULIB_EXPM1L]) | |
| 95 | GNULIB_FABSF=0; AC_SUBST([GNULIB_FABSF]) | |
| 96 | GNULIB_FABSL=0; AC_SUBST([GNULIB_FABSL]) | |
| 97 | GNULIB_FLOOR=0; AC_SUBST([GNULIB_FLOOR]) | |
| 98 | GNULIB_FLOORF=0; AC_SUBST([GNULIB_FLOORF]) | |
| 99 | GNULIB_FLOORL=0; AC_SUBST([GNULIB_FLOORL]) | |
| 100 | GNULIB_FMA=0; AC_SUBST([GNULIB_FMA]) | |
| 101 | GNULIB_FMAF=0; AC_SUBST([GNULIB_FMAF]) | |
| 102 | GNULIB_FMAL=0; AC_SUBST([GNULIB_FMAL]) | |
| 103 | GNULIB_FMOD=0; AC_SUBST([GNULIB_FMOD]) | |
| 104 | GNULIB_FMODF=0; AC_SUBST([GNULIB_FMODF]) | |
| 105 | GNULIB_FMODL=0; AC_SUBST([GNULIB_FMODL]) | |
| 106 | GNULIB_FREXPF=0; AC_SUBST([GNULIB_FREXPF]) | |
| 107 | GNULIB_FREXP=0; AC_SUBST([GNULIB_FREXP]) | |
| 108 | GNULIB_FREXPL=0; AC_SUBST([GNULIB_FREXPL]) | |
| 109 | GNULIB_HYPOT=0; AC_SUBST([GNULIB_HYPOT]) | |
| 110 | GNULIB_HYPOTF=0; AC_SUBST([GNULIB_HYPOTF]) | |
| 111 | GNULIB_HYPOTL=0; AC_SUBST([GNULIB_HYPOTL]) | |
| 112 | GNULIB_ILOGB=0; AC_SUBST([GNULIB_ILOGB]) | |
| 113 | GNULIB_ILOGBF=0; AC_SUBST([GNULIB_ILOGBF]) | |
| 114 | GNULIB_ILOGBL=0; AC_SUBST([GNULIB_ILOGBL]) | |
| 115 | GNULIB_ISFINITE=0; AC_SUBST([GNULIB_ISFINITE]) | |
| 116 | GNULIB_ISINF=0; AC_SUBST([GNULIB_ISINF]) | |
| 117 | GNULIB_ISNAN=0; AC_SUBST([GNULIB_ISNAN]) | |
| 118 | GNULIB_ISNANF=0; AC_SUBST([GNULIB_ISNANF]) | |
| 119 | GNULIB_ISNAND=0; AC_SUBST([GNULIB_ISNAND]) | |
| 120 | GNULIB_ISNANL=0; AC_SUBST([GNULIB_ISNANL]) | |
| 121 | GNULIB_LDEXPF=0; AC_SUBST([GNULIB_LDEXPF]) | |
| 122 | GNULIB_LDEXPL=0; AC_SUBST([GNULIB_LDEXPL]) | |
| 123 | GNULIB_LOG=0; AC_SUBST([GNULIB_LOG]) | |
| 124 | GNULIB_LOGF=0; AC_SUBST([GNULIB_LOGF]) | |
| 125 | GNULIB_LOGL=0; AC_SUBST([GNULIB_LOGL]) | |
| 126 | GNULIB_LOG10=0; AC_SUBST([GNULIB_LOG10]) | |
| 127 | GNULIB_LOG10F=0; AC_SUBST([GNULIB_LOG10F]) | |
| 128 | GNULIB_LOG10L=0; AC_SUBST([GNULIB_LOG10L]) | |
| 129 | GNULIB_LOG1P=0; AC_SUBST([GNULIB_LOG1P]) | |
| 130 | GNULIB_LOG1PF=0; AC_SUBST([GNULIB_LOG1PF]) | |
| 131 | GNULIB_LOG1PL=0; AC_SUBST([GNULIB_LOG1PL]) | |
| 132 | GNULIB_LOG2=0; AC_SUBST([GNULIB_LOG2]) | |
| 133 | GNULIB_LOG2F=0; AC_SUBST([GNULIB_LOG2F]) | |
| 134 | GNULIB_LOG2L=0; AC_SUBST([GNULIB_LOG2L]) | |
| 135 | GNULIB_LOGB=0; AC_SUBST([GNULIB_LOGB]) | |
| 136 | GNULIB_LOGBF=0; AC_SUBST([GNULIB_LOGBF]) | |
| 137 | GNULIB_LOGBL=0; AC_SUBST([GNULIB_LOGBL]) | |
| 138 | GNULIB_MODF=0; AC_SUBST([GNULIB_MODF]) | |
| 139 | GNULIB_MODFF=0; AC_SUBST([GNULIB_MODFF]) | |
| 140 | GNULIB_MODFL=0; AC_SUBST([GNULIB_MODFL]) | |
| 141 | GNULIB_POWF=0; AC_SUBST([GNULIB_POWF]) | |
| 142 | GNULIB_REMAINDER=0; AC_SUBST([GNULIB_REMAINDER]) | |
| 143 | GNULIB_REMAINDERF=0; AC_SUBST([GNULIB_REMAINDERF]) | |
| 144 | GNULIB_REMAINDERL=0; AC_SUBST([GNULIB_REMAINDERL]) | |
| 145 | GNULIB_RINT=0; AC_SUBST([GNULIB_RINT]) | |
| 146 | GNULIB_RINTF=0; AC_SUBST([GNULIB_RINTF]) | |
| 147 | GNULIB_RINTL=0; AC_SUBST([GNULIB_RINTL]) | |
| 148 | GNULIB_ROUND=0; AC_SUBST([GNULIB_ROUND]) | |
| 149 | GNULIB_ROUNDF=0; AC_SUBST([GNULIB_ROUNDF]) | |
| 150 | GNULIB_ROUNDL=0; AC_SUBST([GNULIB_ROUNDL]) | |
| 151 | GNULIB_SIGNBIT=0; AC_SUBST([GNULIB_SIGNBIT]) | |
| 152 | GNULIB_SINF=0; AC_SUBST([GNULIB_SINF]) | |
| 153 | GNULIB_SINL=0; AC_SUBST([GNULIB_SINL]) | |
| 154 | GNULIB_SINHF=0; AC_SUBST([GNULIB_SINHF]) | |
| 155 | GNULIB_SQRTF=0; AC_SUBST([GNULIB_SQRTF]) | |
| 156 | GNULIB_SQRTL=0; AC_SUBST([GNULIB_SQRTL]) | |
| 157 | GNULIB_TANF=0; AC_SUBST([GNULIB_TANF]) | |
| 158 | GNULIB_TANL=0; AC_SUBST([GNULIB_TANL]) | |
| 159 | GNULIB_TANHF=0; AC_SUBST([GNULIB_TANHF]) | |
| 160 | GNULIB_TRUNC=0; AC_SUBST([GNULIB_TRUNC]) | |
| 161 | GNULIB_TRUNCF=0; AC_SUBST([GNULIB_TRUNCF]) | |
| 162 | GNULIB_TRUNCL=0; AC_SUBST([GNULIB_TRUNCL]) | |
| 2e65b52f | 163 | dnl Assume proper GNU behavior unless another module says otherwise. |
| 35428fb6 | 164 | HAVE_ACOSF=1; AC_SUBST([HAVE_ACOSF]) |
| 2e65b52f | 165 | HAVE_ACOSL=1; AC_SUBST([HAVE_ACOSL]) |
| 35428fb6 | 166 | HAVE_ASINF=1; AC_SUBST([HAVE_ASINF]) |
| 2e65b52f | 167 | HAVE_ASINL=1; AC_SUBST([HAVE_ASINL]) |
| 35428fb6 | 168 | HAVE_ATANF=1; AC_SUBST([HAVE_ATANF]) |
| 2e65b52f | 169 | HAVE_ATANL=1; AC_SUBST([HAVE_ATANL]) |
| 35428fb6 | 170 | HAVE_ATAN2F=1; AC_SUBST([HAVE_ATAN2F]) |
| 005de2e8 LC |
171 | HAVE_CBRT=1; AC_SUBST([HAVE_CBRT]) |
| 172 | HAVE_CBRTF=1; AC_SUBST([HAVE_CBRTF]) | |
| 173 | HAVE_CBRTL=1; AC_SUBST([HAVE_CBRTL]) | |
| 35428fb6 | 174 | HAVE_COPYSIGN=1; AC_SUBST([HAVE_COPYSIGN]) |
| 35428fb6 LC |
175 | HAVE_COPYSIGNL=1; AC_SUBST([HAVE_COPYSIGNL]) |
| 176 | HAVE_COSF=1; AC_SUBST([HAVE_COSF]) | |
| 2e65b52f | 177 | HAVE_COSL=1; AC_SUBST([HAVE_COSL]) |
| 35428fb6 LC |
178 | HAVE_COSHF=1; AC_SUBST([HAVE_COSHF]) |
| 179 | HAVE_EXPF=1; AC_SUBST([HAVE_EXPF]) | |
| 2e65b52f | 180 | HAVE_EXPL=1; AC_SUBST([HAVE_EXPL]) |
| 005de2e8 LC |
181 | HAVE_EXPM1=1; AC_SUBST([HAVE_EXPM1]) |
| 182 | HAVE_EXPM1F=1; AC_SUBST([HAVE_EXPM1F]) | |
| 35428fb6 | 183 | HAVE_FABSF=1; AC_SUBST([HAVE_FABSF]) |
| 005de2e8 | 184 | HAVE_FABSL=1; AC_SUBST([HAVE_FABSL]) |
| 7f1ea859 LC |
185 | HAVE_FMA=1; AC_SUBST([HAVE_FMA]) |
| 186 | HAVE_FMAF=1; AC_SUBST([HAVE_FMAF]) | |
| 187 | HAVE_FMAL=1; AC_SUBST([HAVE_FMAL]) | |
| 35428fb6 | 188 | HAVE_FMODF=1; AC_SUBST([HAVE_FMODF]) |
| 005de2e8 | 189 | HAVE_FMODL=1; AC_SUBST([HAVE_FMODL]) |
| 35428fb6 | 190 | HAVE_FREXPF=1; AC_SUBST([HAVE_FREXPF]) |
| 005de2e8 LC |
191 | HAVE_HYPOTF=1; AC_SUBST([HAVE_HYPOTF]) |
| 192 | HAVE_HYPOTL=1; AC_SUBST([HAVE_HYPOTL]) | |
| 193 | HAVE_ILOGB=1; AC_SUBST([HAVE_ILOGB]) | |
| 194 | HAVE_ILOGBF=1; AC_SUBST([HAVE_ILOGBF]) | |
| 195 | HAVE_ILOGBL=1; AC_SUBST([HAVE_ILOGBL]) | |
| 2e65b52f LC |
196 | HAVE_ISNANF=1; AC_SUBST([HAVE_ISNANF]) |
| 197 | HAVE_ISNAND=1; AC_SUBST([HAVE_ISNAND]) | |
| 198 | HAVE_ISNANL=1; AC_SUBST([HAVE_ISNANL]) | |
| 35428fb6 LC |
199 | HAVE_LDEXPF=1; AC_SUBST([HAVE_LDEXPF]) |
| 200 | HAVE_LOGF=1; AC_SUBST([HAVE_LOGF]) | |
| 2e65b52f | 201 | HAVE_LOGL=1; AC_SUBST([HAVE_LOGL]) |
| 35428fb6 | 202 | HAVE_LOG10F=1; AC_SUBST([HAVE_LOG10F]) |
| 005de2e8 LC |
203 | HAVE_LOG10L=1; AC_SUBST([HAVE_LOG10L]) |
| 204 | HAVE_LOG1P=1; AC_SUBST([HAVE_LOG1P]) | |
| 205 | HAVE_LOG1PF=1; AC_SUBST([HAVE_LOG1PF]) | |
| 206 | HAVE_LOG1PL=1; AC_SUBST([HAVE_LOG1PL]) | |
| 207 | HAVE_LOGBF=1; AC_SUBST([HAVE_LOGBF]) | |
| 208 | HAVE_LOGBL=1; AC_SUBST([HAVE_LOGBL]) | |
| 35428fb6 | 209 | HAVE_MODFF=1; AC_SUBST([HAVE_MODFF]) |
| 005de2e8 | 210 | HAVE_MODFL=1; AC_SUBST([HAVE_MODFL]) |
| 35428fb6 | 211 | HAVE_POWF=1; AC_SUBST([HAVE_POWF]) |
| 005de2e8 LC |
212 | HAVE_REMAINDER=1; AC_SUBST([HAVE_REMAINDER]) |
| 213 | HAVE_REMAINDERF=1; AC_SUBST([HAVE_REMAINDERF]) | |
| 35428fb6 | 214 | HAVE_RINT=1; AC_SUBST([HAVE_RINT]) |
| 35428fb6 LC |
215 | HAVE_RINTL=1; AC_SUBST([HAVE_RINTL]) |
| 216 | HAVE_SINF=1; AC_SUBST([HAVE_SINF]) | |
| 2e65b52f | 217 | HAVE_SINL=1; AC_SUBST([HAVE_SINL]) |
| 35428fb6 LC |
218 | HAVE_SINHF=1; AC_SUBST([HAVE_SINHF]) |
| 219 | HAVE_SQRTF=1; AC_SUBST([HAVE_SQRTF]) | |
| 2e65b52f | 220 | HAVE_SQRTL=1; AC_SUBST([HAVE_SQRTL]) |
| 35428fb6 | 221 | HAVE_TANF=1; AC_SUBST([HAVE_TANF]) |
| 2e65b52f | 222 | HAVE_TANL=1; AC_SUBST([HAVE_TANL]) |
| 35428fb6 | 223 | HAVE_TANHF=1; AC_SUBST([HAVE_TANHF]) |
| 2e65b52f LC |
224 | HAVE_DECL_ACOSL=1; AC_SUBST([HAVE_DECL_ACOSL]) |
| 225 | HAVE_DECL_ASINL=1; AC_SUBST([HAVE_DECL_ASINL]) | |
| 226 | HAVE_DECL_ATANL=1; AC_SUBST([HAVE_DECL_ATANL]) | |
| 005de2e8 LC |
227 | HAVE_DECL_CBRTF=1; AC_SUBST([HAVE_DECL_CBRTF]) |
| 228 | HAVE_DECL_CBRTL=1; AC_SUBST([HAVE_DECL_CBRTL]) | |
| 2e65b52f LC |
229 | HAVE_DECL_CEILF=1; AC_SUBST([HAVE_DECL_CEILF]) |
| 230 | HAVE_DECL_CEILL=1; AC_SUBST([HAVE_DECL_CEILL]) | |
| 005de2e8 | 231 | HAVE_DECL_COPYSIGNF=1; AC_SUBST([HAVE_DECL_COPYSIGNF]) |
| 2e65b52f LC |
232 | HAVE_DECL_COSL=1; AC_SUBST([HAVE_DECL_COSL]) |
| 233 | HAVE_DECL_EXPL=1; AC_SUBST([HAVE_DECL_EXPL]) | |
| 005de2e8 LC |
234 | HAVE_DECL_EXP2=1; AC_SUBST([HAVE_DECL_EXP2]) |
| 235 | HAVE_DECL_EXP2F=1; AC_SUBST([HAVE_DECL_EXP2F]) | |
| 236 | HAVE_DECL_EXP2L=1; AC_SUBST([HAVE_DECL_EXP2L]) | |
| 237 | HAVE_DECL_EXPM1L=1; AC_SUBST([HAVE_DECL_EXPM1L]) | |
| 2e65b52f LC |
238 | HAVE_DECL_FLOORF=1; AC_SUBST([HAVE_DECL_FLOORF]) |
| 239 | HAVE_DECL_FLOORL=1; AC_SUBST([HAVE_DECL_FLOORL]) | |
| 240 | HAVE_DECL_FREXPL=1; AC_SUBST([HAVE_DECL_FREXPL]) | |
| 241 | HAVE_DECL_LDEXPL=1; AC_SUBST([HAVE_DECL_LDEXPL]) | |
| 2e65b52f | 242 | HAVE_DECL_LOGL=1; AC_SUBST([HAVE_DECL_LOGL]) |
| 005de2e8 LC |
243 | HAVE_DECL_LOG10L=1; AC_SUBST([HAVE_DECL_LOG10L]) |
| 244 | HAVE_DECL_LOG2=1; AC_SUBST([HAVE_DECL_LOG2]) | |
| 245 | HAVE_DECL_LOG2F=1; AC_SUBST([HAVE_DECL_LOG2F]) | |
| 246 | HAVE_DECL_LOG2L=1; AC_SUBST([HAVE_DECL_LOG2L]) | |
| 247 | HAVE_DECL_LOGB=1; AC_SUBST([HAVE_DECL_LOGB]) | |
| 248 | HAVE_DECL_REMAINDER=1; AC_SUBST([HAVE_DECL_REMAINDER]) | |
| 249 | HAVE_DECL_REMAINDERL=1; AC_SUBST([HAVE_DECL_REMAINDERL]) | |
| 250 | HAVE_DECL_RINTF=1; AC_SUBST([HAVE_DECL_RINTF]) | |
| 2e65b52f LC |
251 | HAVE_DECL_ROUND=1; AC_SUBST([HAVE_DECL_ROUND]) |
| 252 | HAVE_DECL_ROUNDF=1; AC_SUBST([HAVE_DECL_ROUNDF]) | |
| 253 | HAVE_DECL_ROUNDL=1; AC_SUBST([HAVE_DECL_ROUNDL]) | |
| 254 | HAVE_DECL_SINL=1; AC_SUBST([HAVE_DECL_SINL]) | |
| 255 | HAVE_DECL_SQRTL=1; AC_SUBST([HAVE_DECL_SQRTL]) | |
| 256 | HAVE_DECL_TANL=1; AC_SUBST([HAVE_DECL_TANL]) | |
| 257 | HAVE_DECL_TRUNC=1; AC_SUBST([HAVE_DECL_TRUNC]) | |
| 258 | HAVE_DECL_TRUNCF=1; AC_SUBST([HAVE_DECL_TRUNCF]) | |
| 259 | HAVE_DECL_TRUNCL=1; AC_SUBST([HAVE_DECL_TRUNCL]) | |
| 005de2e8 LC |
260 | REPLACE_CBRTF=0; AC_SUBST([REPLACE_CBRTF]) |
| 261 | REPLACE_CBRTL=0; AC_SUBST([REPLACE_CBRTL]) | |
| 49114fd4 | 262 | REPLACE_CEIL=0; AC_SUBST([REPLACE_CEIL]) |
| 2e65b52f LC |
263 | REPLACE_CEILF=0; AC_SUBST([REPLACE_CEILF]) |
| 264 | REPLACE_CEILL=0; AC_SUBST([REPLACE_CEILL]) | |
| 005de2e8 LC |
265 | REPLACE_EXPM1=0; AC_SUBST([REPLACE_EXPM1]) |
| 266 | REPLACE_EXPM1F=0; AC_SUBST([REPLACE_EXPM1F]) | |
| 267 | REPLACE_EXP2=0; AC_SUBST([REPLACE_EXP2]) | |
| 268 | REPLACE_EXP2L=0; AC_SUBST([REPLACE_EXP2L]) | |
| 269 | REPLACE_FABSL=0; AC_SUBST([REPLACE_FABSL]) | |
| 49114fd4 | 270 | REPLACE_FLOOR=0; AC_SUBST([REPLACE_FLOOR]) |
| 2e65b52f LC |
271 | REPLACE_FLOORF=0; AC_SUBST([REPLACE_FLOORF]) |
| 272 | REPLACE_FLOORL=0; AC_SUBST([REPLACE_FLOORL]) | |
| 7f1ea859 LC |
273 | REPLACE_FMA=0; AC_SUBST([REPLACE_FMA]) |
| 274 | REPLACE_FMAF=0; AC_SUBST([REPLACE_FMAF]) | |
| 275 | REPLACE_FMAL=0; AC_SUBST([REPLACE_FMAL]) | |
| 005de2e8 LC |
276 | REPLACE_FMOD=0; AC_SUBST([REPLACE_FMOD]) |
| 277 | REPLACE_FMODF=0; AC_SUBST([REPLACE_FMODF]) | |
| 278 | REPLACE_FMODL=0; AC_SUBST([REPLACE_FMODL]) | |
| 35428fb6 | 279 | REPLACE_FREXPF=0; AC_SUBST([REPLACE_FREXPF]) |
| 2e65b52f LC |
280 | REPLACE_FREXP=0; AC_SUBST([REPLACE_FREXP]) |
| 281 | REPLACE_FREXPL=0; AC_SUBST([REPLACE_FREXPL]) | |
| 282 | REPLACE_HUGE_VAL=0; AC_SUBST([REPLACE_HUGE_VAL]) | |
| 005de2e8 LC |
283 | REPLACE_HYPOT=0; AC_SUBST([REPLACE_HYPOT]) |
| 284 | REPLACE_HYPOTF=0; AC_SUBST([REPLACE_HYPOTF]) | |
| 285 | REPLACE_HYPOTL=0; AC_SUBST([REPLACE_HYPOTL]) | |
| 286 | REPLACE_ILOGB=0; AC_SUBST([REPLACE_ILOGB]) | |
| 287 | REPLACE_ILOGBF=0; AC_SUBST([REPLACE_ILOGBF]) | |
| 2e65b52f LC |
288 | REPLACE_ISFINITE=0; AC_SUBST([REPLACE_ISFINITE]) |
| 289 | REPLACE_ISINF=0; AC_SUBST([REPLACE_ISINF]) | |
| 290 | REPLACE_ISNAN=0; AC_SUBST([REPLACE_ISNAN]) | |
| 291 | REPLACE_LDEXPL=0; AC_SUBST([REPLACE_LDEXPL]) | |
| 005de2e8 LC |
292 | REPLACE_LOG=0; AC_SUBST([REPLACE_LOG]) |
| 293 | REPLACE_LOGF=0; AC_SUBST([REPLACE_LOGF]) | |
| 294 | REPLACE_LOGL=0; AC_SUBST([REPLACE_LOGL]) | |
| 295 | REPLACE_LOG10=0; AC_SUBST([REPLACE_LOG10]) | |
| 296 | REPLACE_LOG10F=0; AC_SUBST([REPLACE_LOG10F]) | |
| 297 | REPLACE_LOG10L=0; AC_SUBST([REPLACE_LOG10L]) | |
| 298 | REPLACE_LOG1P=0; AC_SUBST([REPLACE_LOG1P]) | |
| 299 | REPLACE_LOG1PF=0; AC_SUBST([REPLACE_LOG1PF]) | |
| 300 | REPLACE_LOG1PL=0; AC_SUBST([REPLACE_LOG1PL]) | |
| 301 | REPLACE_LOG2=0; AC_SUBST([REPLACE_LOG2]) | |
| 302 | REPLACE_LOG2F=0; AC_SUBST([REPLACE_LOG2F]) | |
| 303 | REPLACE_LOG2L=0; AC_SUBST([REPLACE_LOG2L]) | |
| 304 | REPLACE_LOGB=0; AC_SUBST([REPLACE_LOGB]) | |
| 305 | REPLACE_LOGBF=0; AC_SUBST([REPLACE_LOGBF]) | |
| 306 | REPLACE_LOGBL=0; AC_SUBST([REPLACE_LOGBL]) | |
| 307 | REPLACE_MODF=0; AC_SUBST([REPLACE_MODF]) | |
| 308 | REPLACE_MODFF=0; AC_SUBST([REPLACE_MODFF]) | |
| 309 | REPLACE_MODFL=0; AC_SUBST([REPLACE_MODFL]) | |
| 2e65b52f | 310 | REPLACE_NAN=0; AC_SUBST([REPLACE_NAN]) |
| 005de2e8 LC |
311 | REPLACE_REMAINDER=0; AC_SUBST([REPLACE_REMAINDER]) |
| 312 | REPLACE_REMAINDERF=0; AC_SUBST([REPLACE_REMAINDERF]) | |
| 313 | REPLACE_REMAINDERL=0; AC_SUBST([REPLACE_REMAINDERL]) | |
| 2e65b52f LC |
314 | REPLACE_ROUND=0; AC_SUBST([REPLACE_ROUND]) |
| 315 | REPLACE_ROUNDF=0; AC_SUBST([REPLACE_ROUNDF]) | |
| 316 | REPLACE_ROUNDL=0; AC_SUBST([REPLACE_ROUNDL]) | |
| 317 | REPLACE_SIGNBIT=0; AC_SUBST([REPLACE_SIGNBIT]) | |
| 318 | REPLACE_SIGNBIT_USING_GCC=0; AC_SUBST([REPLACE_SIGNBIT_USING_GCC]) | |
| 005de2e8 | 319 | REPLACE_SQRTL=0; AC_SUBST([REPLACE_SQRTL]) |
| 49114fd4 LC |
320 | REPLACE_TRUNC=0; AC_SUBST([REPLACE_TRUNC]) |
| 321 | REPLACE_TRUNCF=0; AC_SUBST([REPLACE_TRUNCF]) | |
| 2e65b52f LC |
322 | REPLACE_TRUNCL=0; AC_SUBST([REPLACE_TRUNCL]) |
| 323 | ]) | |
| 35428fb6 LC |
324 | |
| 325 | # gl_LONG_DOUBLE_VS_DOUBLE | |
| 326 | # determines whether 'long double' and 'double' have the same representation. | |
| 327 | # Sets variable HAVE_SAME_LONG_DOUBLE_AS_DOUBLE to 0 or 1, and defines | |
| 328 | # HAVE_SAME_LONG_DOUBLE_AS_DOUBLE accordingly. | |
| 329 | # The currently known platforms where this is the case are: | |
| 330 | # Linux/HPPA, Minix 3.1.8, AIX 5, AIX 6 and 7 with xlc, MSVC 9. | |
| 331 | AC_DEFUN([gl_LONG_DOUBLE_VS_DOUBLE], | |
| 332 | [ | |
| 333 | AC_CACHE_CHECK([whether long double and double are the same], | |
| 334 | [gl_cv_long_double_equals_double], | |
| 335 | [AC_COMPILE_IFELSE( | |
| 336 | [AC_LANG_PROGRAM([[#include <float.h>]], | |
| 337 | [[typedef int check[sizeof (long double) == sizeof (double) | |
| 338 | && LDBL_MANT_DIG == DBL_MANT_DIG | |
| 339 | && LDBL_MAX_EXP == DBL_MAX_EXP | |
| 340 | && LDBL_MIN_EXP == DBL_MIN_EXP | |
| 341 | ? 1 : -1]; | |
| 342 | ]])], | |
| 343 | [gl_cv_long_double_equals_double=yes], | |
| 344 | [gl_cv_long_double_equals_double=no]) | |
| 345 | ]) | |
| 346 | if test $gl_cv_long_double_equals_double = yes; then | |
| 347 | AC_DEFINE([HAVE_SAME_LONG_DOUBLE_AS_DOUBLE], [1], | |
| 348 | [Define to 1 if 'long double' and 'double' have the same representation.]) | |
| 349 | HAVE_SAME_LONG_DOUBLE_AS_DOUBLE=1 | |
| 350 | else | |
| 351 | HAVE_SAME_LONG_DOUBLE_AS_DOUBLE=0 | |
| 352 | fi | |
| 353 | AC_SUBST([HAVE_SAME_LONG_DOUBLE_AS_DOUBLE]) | |
| 354 | ]) |