26
27
AC_CACHE_CHECK([whether HUGE_VAL works], [gl_cv_header_math_huge_val_works],
27
28
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <math.h>]],
28
29
[[/* Solaris 10 has a broken definition of HUGE_VAL. */
31
32
[gl_cv_header_math_huge_val_works=yes],
32
33
[gl_cv_header_math_huge_val_works=no])])
33
34
if test $gl_cv_header_math_huge_val_works = no; then
38
dnl Check for declarations of anything we want to poison if the
39
dnl corresponding gnulib module is not in use.
40
gl_WARN_ON_USE_PREPARE([[#include <math.h>]],
41
[acosf acosl asinf asinl atanf atanl
42
cbrt cbrtf cbrtl ceilf ceill copysign copysignf copysignl cosf cosl coshf
43
expf expl exp2 exp2f exp2l expm1 expm1f expm1l
44
fabsf fabsl floorf floorl fma fmaf fmal
45
fmod fmodf fmodl frexpf frexpl hypotf hypotl
48
log logf logl log10 log10f log10l log1p log1pf log1pl log2 log2f log2l
51
remainder remainderf remainderl
52
rint rintf rintl round roundf roundl sinf sinl sinhf sqrtf sqrtl
53
tanf tanl tanhf trunc truncf truncl])
38
56
AC_DEFUN([gl_MATH_MODULE_INDICATOR],
40
58
dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
41
59
AC_REQUIRE([gl_MATH_H_DEFAULTS])
42
GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
60
gl_MODULE_INDICATOR_SET_VARIABLE([$1])
61
dnl Define it also as a C macro, for the benefit of the unit tests.
62
gl_MODULE_INDICATOR_FOR_TESTS([$1])
45
65
AC_DEFUN([gl_MATH_H_DEFAULTS],
47
GNULIB_CEILF=0; AC_SUBST([GNULIB_CEILF])
48
GNULIB_CEILL=0; AC_SUBST([GNULIB_CEILL])
49
GNULIB_FLOORF=0; AC_SUBST([GNULIB_FLOORF])
50
GNULIB_FLOORL=0; AC_SUBST([GNULIB_FLOORL])
51
GNULIB_FREXP=0; AC_SUBST([GNULIB_FREXP])
52
GNULIB_FREXPL=0; AC_SUBST([GNULIB_FREXPL])
53
GNULIB_ISFINITE=0; AC_SUBST([GNULIB_ISFINITE])
54
GNULIB_ISINF=0; AC_SUBST([GNULIB_ISINF])
55
GNULIB_ISNAN=0; AC_SUBST([GNULIB_ISNAN])
56
GNULIB_ISNANF=0; AC_SUBST([GNULIB_ISNANF])
57
GNULIB_ISNAND=0; AC_SUBST([GNULIB_ISNAND])
58
GNULIB_ISNANL=0; AC_SUBST([GNULIB_ISNANL])
59
GNULIB_LDEXPL=0; AC_SUBST([GNULIB_LDEXPL])
60
GNULIB_MATHL=0; AC_SUBST([GNULIB_MATHL])
61
GNULIB_ROUND=0; AC_SUBST([GNULIB_ROUND])
62
GNULIB_ROUNDF=0; AC_SUBST([GNULIB_ROUNDF])
63
GNULIB_ROUNDL=0; AC_SUBST([GNULIB_ROUNDL])
64
GNULIB_SIGNBIT=0; AC_SUBST([GNULIB_SIGNBIT])
65
GNULIB_TRUNC=0; AC_SUBST([GNULIB_TRUNC])
66
GNULIB_TRUNCF=0; AC_SUBST([GNULIB_TRUNCF])
67
GNULIB_TRUNCL=0; AC_SUBST([GNULIB_TRUNCL])
67
GNULIB_ACOSF=0; AC_SUBST([GNULIB_ACOSF])
68
GNULIB_ACOSL=0; AC_SUBST([GNULIB_ACOSL])
69
GNULIB_ASINF=0; AC_SUBST([GNULIB_ASINF])
70
GNULIB_ASINL=0; AC_SUBST([GNULIB_ASINL])
71
GNULIB_ATANF=0; AC_SUBST([GNULIB_ATANF])
72
GNULIB_ATANL=0; AC_SUBST([GNULIB_ATANL])
73
GNULIB_ATAN2F=0; AC_SUBST([GNULIB_ATAN2F])
74
GNULIB_CBRT=0; AC_SUBST([GNULIB_CBRT])
75
GNULIB_CBRTF=0; AC_SUBST([GNULIB_CBRTF])
76
GNULIB_CBRTL=0; AC_SUBST([GNULIB_CBRTL])
77
GNULIB_CEIL=0; AC_SUBST([GNULIB_CEIL])
78
GNULIB_CEILF=0; AC_SUBST([GNULIB_CEILF])
79
GNULIB_CEILL=0; AC_SUBST([GNULIB_CEILL])
80
GNULIB_COPYSIGN=0; AC_SUBST([GNULIB_COPYSIGN])
81
GNULIB_COPYSIGNF=0; AC_SUBST([GNULIB_COPYSIGNF])
82
GNULIB_COPYSIGNL=0; AC_SUBST([GNULIB_COPYSIGNL])
83
GNULIB_COSF=0; AC_SUBST([GNULIB_COSF])
84
GNULIB_COSL=0; AC_SUBST([GNULIB_COSL])
85
GNULIB_COSHF=0; AC_SUBST([GNULIB_COSHF])
86
GNULIB_EXPF=0; AC_SUBST([GNULIB_EXPF])
87
GNULIB_EXPL=0; AC_SUBST([GNULIB_EXPL])
88
GNULIB_EXP2=0; AC_SUBST([GNULIB_EXP2])
89
GNULIB_EXP2F=0; AC_SUBST([GNULIB_EXP2F])
90
GNULIB_EXP2L=0; AC_SUBST([GNULIB_EXP2L])
91
GNULIB_EXPM1=0; AC_SUBST([GNULIB_EXPM1])
92
GNULIB_EXPM1F=0; AC_SUBST([GNULIB_EXPM1F])
93
GNULIB_EXPM1L=0; AC_SUBST([GNULIB_EXPM1L])
94
GNULIB_FABSF=0; AC_SUBST([GNULIB_FABSF])
95
GNULIB_FABSL=0; AC_SUBST([GNULIB_FABSL])
96
GNULIB_FLOOR=0; AC_SUBST([GNULIB_FLOOR])
97
GNULIB_FLOORF=0; AC_SUBST([GNULIB_FLOORF])
98
GNULIB_FLOORL=0; AC_SUBST([GNULIB_FLOORL])
99
GNULIB_FMA=0; AC_SUBST([GNULIB_FMA])
100
GNULIB_FMAF=0; AC_SUBST([GNULIB_FMAF])
101
GNULIB_FMAL=0; AC_SUBST([GNULIB_FMAL])
102
GNULIB_FMOD=0; AC_SUBST([GNULIB_FMOD])
103
GNULIB_FMODF=0; AC_SUBST([GNULIB_FMODF])
104
GNULIB_FMODL=0; AC_SUBST([GNULIB_FMODL])
105
GNULIB_FREXPF=0; AC_SUBST([GNULIB_FREXPF])
106
GNULIB_FREXP=0; AC_SUBST([GNULIB_FREXP])
107
GNULIB_FREXPL=0; AC_SUBST([GNULIB_FREXPL])
108
GNULIB_HYPOT=0; AC_SUBST([GNULIB_HYPOT])
109
GNULIB_HYPOTF=0; AC_SUBST([GNULIB_HYPOTF])
110
GNULIB_HYPOTL=0; AC_SUBST([GNULIB_HYPOTL])
111
GNULIB_ILOGB=0; AC_SUBST([GNULIB_ILOGB])
112
GNULIB_ILOGBF=0; AC_SUBST([GNULIB_ILOGBF])
113
GNULIB_ILOGBL=0; AC_SUBST([GNULIB_ILOGBL])
114
GNULIB_ISFINITE=0; AC_SUBST([GNULIB_ISFINITE])
115
GNULIB_ISINF=0; AC_SUBST([GNULIB_ISINF])
116
GNULIB_ISNAN=0; AC_SUBST([GNULIB_ISNAN])
117
GNULIB_ISNANF=0; AC_SUBST([GNULIB_ISNANF])
118
GNULIB_ISNAND=0; AC_SUBST([GNULIB_ISNAND])
119
GNULIB_ISNANL=0; AC_SUBST([GNULIB_ISNANL])
120
GNULIB_LDEXPF=0; AC_SUBST([GNULIB_LDEXPF])
121
GNULIB_LDEXPL=0; AC_SUBST([GNULIB_LDEXPL])
122
GNULIB_LOG=0; AC_SUBST([GNULIB_LOG])
123
GNULIB_LOGF=0; AC_SUBST([GNULIB_LOGF])
124
GNULIB_LOGL=0; AC_SUBST([GNULIB_LOGL])
125
GNULIB_LOG10=0; AC_SUBST([GNULIB_LOG10])
126
GNULIB_LOG10F=0; AC_SUBST([GNULIB_LOG10F])
127
GNULIB_LOG10L=0; AC_SUBST([GNULIB_LOG10L])
128
GNULIB_LOG1P=0; AC_SUBST([GNULIB_LOG1P])
129
GNULIB_LOG1PF=0; AC_SUBST([GNULIB_LOG1PF])
130
GNULIB_LOG1PL=0; AC_SUBST([GNULIB_LOG1PL])
131
GNULIB_LOG2=0; AC_SUBST([GNULIB_LOG2])
132
GNULIB_LOG2F=0; AC_SUBST([GNULIB_LOG2F])
133
GNULIB_LOG2L=0; AC_SUBST([GNULIB_LOG2L])
134
GNULIB_LOGB=0; AC_SUBST([GNULIB_LOGB])
135
GNULIB_LOGBF=0; AC_SUBST([GNULIB_LOGBF])
136
GNULIB_LOGBL=0; AC_SUBST([GNULIB_LOGBL])
137
GNULIB_MODF=0; AC_SUBST([GNULIB_MODF])
138
GNULIB_MODFF=0; AC_SUBST([GNULIB_MODFF])
139
GNULIB_MODFL=0; AC_SUBST([GNULIB_MODFL])
140
GNULIB_POWF=0; AC_SUBST([GNULIB_POWF])
141
GNULIB_REMAINDER=0; AC_SUBST([GNULIB_REMAINDER])
142
GNULIB_REMAINDERF=0; AC_SUBST([GNULIB_REMAINDERF])
143
GNULIB_REMAINDERL=0; AC_SUBST([GNULIB_REMAINDERL])
144
GNULIB_RINT=0; AC_SUBST([GNULIB_RINT])
145
GNULIB_RINTF=0; AC_SUBST([GNULIB_RINTF])
146
GNULIB_RINTL=0; AC_SUBST([GNULIB_RINTL])
147
GNULIB_ROUND=0; AC_SUBST([GNULIB_ROUND])
148
GNULIB_ROUNDF=0; AC_SUBST([GNULIB_ROUNDF])
149
GNULIB_ROUNDL=0; AC_SUBST([GNULIB_ROUNDL])
150
GNULIB_SIGNBIT=0; AC_SUBST([GNULIB_SIGNBIT])
151
GNULIB_SINF=0; AC_SUBST([GNULIB_SINF])
152
GNULIB_SINL=0; AC_SUBST([GNULIB_SINL])
153
GNULIB_SINHF=0; AC_SUBST([GNULIB_SINHF])
154
GNULIB_SQRTF=0; AC_SUBST([GNULIB_SQRTF])
155
GNULIB_SQRTL=0; AC_SUBST([GNULIB_SQRTL])
156
GNULIB_TANF=0; AC_SUBST([GNULIB_TANF])
157
GNULIB_TANL=0; AC_SUBST([GNULIB_TANL])
158
GNULIB_TANHF=0; AC_SUBST([GNULIB_TANHF])
159
GNULIB_TRUNC=0; AC_SUBST([GNULIB_TRUNC])
160
GNULIB_TRUNCF=0; AC_SUBST([GNULIB_TRUNCF])
161
GNULIB_TRUNCL=0; AC_SUBST([GNULIB_TRUNCL])
68
162
dnl Assume proper GNU behavior unless another module says otherwise.
163
HAVE_ACOSF=1; AC_SUBST([HAVE_ACOSF])
164
HAVE_ACOSL=1; AC_SUBST([HAVE_ACOSL])
165
HAVE_ASINF=1; AC_SUBST([HAVE_ASINF])
166
HAVE_ASINL=1; AC_SUBST([HAVE_ASINL])
167
HAVE_ATANF=1; AC_SUBST([HAVE_ATANF])
168
HAVE_ATANL=1; AC_SUBST([HAVE_ATANL])
169
HAVE_ATAN2F=1; AC_SUBST([HAVE_ATAN2F])
170
HAVE_CBRT=1; AC_SUBST([HAVE_CBRT])
171
HAVE_CBRTF=1; AC_SUBST([HAVE_CBRTF])
172
HAVE_CBRTL=1; AC_SUBST([HAVE_CBRTL])
173
HAVE_COPYSIGN=1; AC_SUBST([HAVE_COPYSIGN])
174
HAVE_COPYSIGNL=1; AC_SUBST([HAVE_COPYSIGNL])
175
HAVE_COSF=1; AC_SUBST([HAVE_COSF])
176
HAVE_COSL=1; AC_SUBST([HAVE_COSL])
177
HAVE_COSHF=1; AC_SUBST([HAVE_COSHF])
178
HAVE_EXPF=1; AC_SUBST([HAVE_EXPF])
179
HAVE_EXPL=1; AC_SUBST([HAVE_EXPL])
180
HAVE_EXPM1=1; AC_SUBST([HAVE_EXPM1])
181
HAVE_EXPM1F=1; AC_SUBST([HAVE_EXPM1F])
182
HAVE_FABSF=1; AC_SUBST([HAVE_FABSF])
183
HAVE_FABSL=1; AC_SUBST([HAVE_FABSL])
184
HAVE_FMA=1; AC_SUBST([HAVE_FMA])
185
HAVE_FMAF=1; AC_SUBST([HAVE_FMAF])
186
HAVE_FMAL=1; AC_SUBST([HAVE_FMAL])
187
HAVE_FMODF=1; AC_SUBST([HAVE_FMODF])
188
HAVE_FMODL=1; AC_SUBST([HAVE_FMODL])
189
HAVE_FREXPF=1; AC_SUBST([HAVE_FREXPF])
190
HAVE_HYPOTF=1; AC_SUBST([HAVE_HYPOTF])
191
HAVE_HYPOTL=1; AC_SUBST([HAVE_HYPOTL])
192
HAVE_ILOGB=1; AC_SUBST([HAVE_ILOGB])
193
HAVE_ILOGBF=1; AC_SUBST([HAVE_ILOGBF])
194
HAVE_ILOGBL=1; AC_SUBST([HAVE_ILOGBL])
69
195
HAVE_ISNANF=1; AC_SUBST([HAVE_ISNANF])
70
196
HAVE_ISNAND=1; AC_SUBST([HAVE_ISNAND])
71
197
HAVE_ISNANL=1; AC_SUBST([HAVE_ISNANL])
198
HAVE_LDEXPF=1; AC_SUBST([HAVE_LDEXPF])
199
HAVE_LOGF=1; AC_SUBST([HAVE_LOGF])
200
HAVE_LOGL=1; AC_SUBST([HAVE_LOGL])
201
HAVE_LOG10F=1; AC_SUBST([HAVE_LOG10F])
202
HAVE_LOG10L=1; AC_SUBST([HAVE_LOG10L])
203
HAVE_LOG1P=1; AC_SUBST([HAVE_LOG1P])
204
HAVE_LOG1PF=1; AC_SUBST([HAVE_LOG1PF])
205
HAVE_LOG1PL=1; AC_SUBST([HAVE_LOG1PL])
206
HAVE_LOGBF=1; AC_SUBST([HAVE_LOGBF])
207
HAVE_LOGBL=1; AC_SUBST([HAVE_LOGBL])
208
HAVE_MODFF=1; AC_SUBST([HAVE_MODFF])
209
HAVE_MODFL=1; AC_SUBST([HAVE_MODFL])
210
HAVE_POWF=1; AC_SUBST([HAVE_POWF])
211
HAVE_REMAINDER=1; AC_SUBST([HAVE_REMAINDER])
212
HAVE_REMAINDERF=1; AC_SUBST([HAVE_REMAINDERF])
213
HAVE_RINT=1; AC_SUBST([HAVE_RINT])
214
HAVE_RINTL=1; AC_SUBST([HAVE_RINTL])
215
HAVE_SINF=1; AC_SUBST([HAVE_SINF])
216
HAVE_SINL=1; AC_SUBST([HAVE_SINL])
217
HAVE_SINHF=1; AC_SUBST([HAVE_SINHF])
218
HAVE_SQRTF=1; AC_SUBST([HAVE_SQRTF])
219
HAVE_SQRTL=1; AC_SUBST([HAVE_SQRTL])
220
HAVE_TANF=1; AC_SUBST([HAVE_TANF])
221
HAVE_TANL=1; AC_SUBST([HAVE_TANL])
222
HAVE_TANHF=1; AC_SUBST([HAVE_TANHF])
72
223
HAVE_DECL_ACOSL=1; AC_SUBST([HAVE_DECL_ACOSL])
73
224
HAVE_DECL_ASINL=1; AC_SUBST([HAVE_DECL_ASINL])
74
225
HAVE_DECL_ATANL=1; AC_SUBST([HAVE_DECL_ATANL])
226
HAVE_DECL_CBRTF=1; AC_SUBST([HAVE_DECL_CBRTF])
227
HAVE_DECL_CBRTL=1; AC_SUBST([HAVE_DECL_CBRTL])
228
HAVE_DECL_CEILF=1; AC_SUBST([HAVE_DECL_CEILF])
229
HAVE_DECL_CEILL=1; AC_SUBST([HAVE_DECL_CEILL])
230
HAVE_DECL_COPYSIGNF=1; AC_SUBST([HAVE_DECL_COPYSIGNF])
75
231
HAVE_DECL_COSL=1; AC_SUBST([HAVE_DECL_COSL])
76
232
HAVE_DECL_EXPL=1; AC_SUBST([HAVE_DECL_EXPL])
233
HAVE_DECL_EXP2=1; AC_SUBST([HAVE_DECL_EXP2])
234
HAVE_DECL_EXP2F=1; AC_SUBST([HAVE_DECL_EXP2F])
235
HAVE_DECL_EXP2L=1; AC_SUBST([HAVE_DECL_EXP2L])
236
HAVE_DECL_EXPM1L=1; AC_SUBST([HAVE_DECL_EXPM1L])
237
HAVE_DECL_FLOORF=1; AC_SUBST([HAVE_DECL_FLOORF])
238
HAVE_DECL_FLOORL=1; AC_SUBST([HAVE_DECL_FLOORL])
77
239
HAVE_DECL_FREXPL=1; AC_SUBST([HAVE_DECL_FREXPL])
78
240
HAVE_DECL_LDEXPL=1; AC_SUBST([HAVE_DECL_LDEXPL])
79
241
HAVE_DECL_LOGL=1; AC_SUBST([HAVE_DECL_LOGL])
242
HAVE_DECL_LOG10L=1; AC_SUBST([HAVE_DECL_LOG10L])
243
HAVE_DECL_LOG2=1; AC_SUBST([HAVE_DECL_LOG2])
244
HAVE_DECL_LOG2F=1; AC_SUBST([HAVE_DECL_LOG2F])
245
HAVE_DECL_LOG2L=1; AC_SUBST([HAVE_DECL_LOG2L])
246
HAVE_DECL_LOGB=1; AC_SUBST([HAVE_DECL_LOGB])
247
HAVE_DECL_REMAINDER=1; AC_SUBST([HAVE_DECL_REMAINDER])
248
HAVE_DECL_REMAINDERL=1; AC_SUBST([HAVE_DECL_REMAINDERL])
249
HAVE_DECL_RINTF=1; AC_SUBST([HAVE_DECL_RINTF])
250
HAVE_DECL_ROUND=1; AC_SUBST([HAVE_DECL_ROUND])
251
HAVE_DECL_ROUNDF=1; AC_SUBST([HAVE_DECL_ROUNDF])
252
HAVE_DECL_ROUNDL=1; AC_SUBST([HAVE_DECL_ROUNDL])
80
253
HAVE_DECL_SINL=1; AC_SUBST([HAVE_DECL_SINL])
81
254
HAVE_DECL_SQRTL=1; AC_SUBST([HAVE_DECL_SQRTL])
82
255
HAVE_DECL_TANL=1; AC_SUBST([HAVE_DECL_TANL])
83
256
HAVE_DECL_TRUNC=1; AC_SUBST([HAVE_DECL_TRUNC])
84
257
HAVE_DECL_TRUNCF=1; AC_SUBST([HAVE_DECL_TRUNCF])
258
HAVE_DECL_TRUNCL=1; AC_SUBST([HAVE_DECL_TRUNCL])
259
REPLACE_CBRTF=0; AC_SUBST([REPLACE_CBRTF])
260
REPLACE_CBRTL=0; AC_SUBST([REPLACE_CBRTL])
261
REPLACE_CEIL=0; AC_SUBST([REPLACE_CEIL])
85
262
REPLACE_CEILF=0; AC_SUBST([REPLACE_CEILF])
86
263
REPLACE_CEILL=0; AC_SUBST([REPLACE_CEILL])
264
REPLACE_EXPM1=0; AC_SUBST([REPLACE_EXPM1])
265
REPLACE_EXPM1F=0; AC_SUBST([REPLACE_EXPM1F])
266
REPLACE_EXP2=0; AC_SUBST([REPLACE_EXP2])
267
REPLACE_EXP2L=0; AC_SUBST([REPLACE_EXP2L])
268
REPLACE_FABSL=0; AC_SUBST([REPLACE_FABSL])
269
REPLACE_FLOOR=0; AC_SUBST([REPLACE_FLOOR])
87
270
REPLACE_FLOORF=0; AC_SUBST([REPLACE_FLOORF])
88
271
REPLACE_FLOORL=0; AC_SUBST([REPLACE_FLOORL])
272
REPLACE_FMA=0; AC_SUBST([REPLACE_FMA])
273
REPLACE_FMAF=0; AC_SUBST([REPLACE_FMAF])
274
REPLACE_FMAL=0; AC_SUBST([REPLACE_FMAL])
275
REPLACE_FMOD=0; AC_SUBST([REPLACE_FMOD])
276
REPLACE_FMODF=0; AC_SUBST([REPLACE_FMODF])
277
REPLACE_FMODL=0; AC_SUBST([REPLACE_FMODL])
278
REPLACE_FREXPF=0; AC_SUBST([REPLACE_FREXPF])
89
279
REPLACE_FREXP=0; AC_SUBST([REPLACE_FREXP])
90
280
REPLACE_FREXPL=0; AC_SUBST([REPLACE_FREXPL])
91
281
REPLACE_HUGE_VAL=0; AC_SUBST([REPLACE_HUGE_VAL])
282
REPLACE_HYPOT=0; AC_SUBST([REPLACE_HYPOT])
283
REPLACE_HYPOTF=0; AC_SUBST([REPLACE_HYPOTF])
284
REPLACE_HYPOTL=0; AC_SUBST([REPLACE_HYPOTL])
285
REPLACE_ILOGB=0; AC_SUBST([REPLACE_ILOGB])
286
REPLACE_ILOGBF=0; AC_SUBST([REPLACE_ILOGBF])
92
287
REPLACE_ISFINITE=0; AC_SUBST([REPLACE_ISFINITE])
93
288
REPLACE_ISINF=0; AC_SUBST([REPLACE_ISINF])
94
289
REPLACE_ISNAN=0; AC_SUBST([REPLACE_ISNAN])
95
290
REPLACE_LDEXPL=0; AC_SUBST([REPLACE_LDEXPL])
291
REPLACE_LOG=0; AC_SUBST([REPLACE_LOG])
292
REPLACE_LOGF=0; AC_SUBST([REPLACE_LOGF])
293
REPLACE_LOGL=0; AC_SUBST([REPLACE_LOGL])
294
REPLACE_LOG10=0; AC_SUBST([REPLACE_LOG10])
295
REPLACE_LOG10F=0; AC_SUBST([REPLACE_LOG10F])
296
REPLACE_LOG10L=0; AC_SUBST([REPLACE_LOG10L])
297
REPLACE_LOG1P=0; AC_SUBST([REPLACE_LOG1P])
298
REPLACE_LOG1PF=0; AC_SUBST([REPLACE_LOG1PF])
299
REPLACE_LOG1PL=0; AC_SUBST([REPLACE_LOG1PL])
300
REPLACE_LOG2=0; AC_SUBST([REPLACE_LOG2])
301
REPLACE_LOG2F=0; AC_SUBST([REPLACE_LOG2F])
302
REPLACE_LOG2L=0; AC_SUBST([REPLACE_LOG2L])
303
REPLACE_LOGB=0; AC_SUBST([REPLACE_LOGB])
304
REPLACE_LOGBF=0; AC_SUBST([REPLACE_LOGBF])
305
REPLACE_LOGBL=0; AC_SUBST([REPLACE_LOGBL])
306
REPLACE_MODF=0; AC_SUBST([REPLACE_MODF])
307
REPLACE_MODFF=0; AC_SUBST([REPLACE_MODFF])
308
REPLACE_MODFL=0; AC_SUBST([REPLACE_MODFL])
96
309
REPLACE_NAN=0; AC_SUBST([REPLACE_NAN])
310
REPLACE_REMAINDER=0; AC_SUBST([REPLACE_REMAINDER])
311
REPLACE_REMAINDERF=0; AC_SUBST([REPLACE_REMAINDERF])
312
REPLACE_REMAINDERL=0; AC_SUBST([REPLACE_REMAINDERL])
97
313
REPLACE_ROUND=0; AC_SUBST([REPLACE_ROUND])
98
314
REPLACE_ROUNDF=0; AC_SUBST([REPLACE_ROUNDF])
99
315
REPLACE_ROUNDL=0; AC_SUBST([REPLACE_ROUNDL])
100
316
REPLACE_SIGNBIT=0; AC_SUBST([REPLACE_SIGNBIT])
101
317
REPLACE_SIGNBIT_USING_GCC=0; AC_SUBST([REPLACE_SIGNBIT_USING_GCC])
318
REPLACE_SQRTL=0; AC_SUBST([REPLACE_SQRTL])
319
REPLACE_TRUNC=0; AC_SUBST([REPLACE_TRUNC])
320
REPLACE_TRUNCF=0; AC_SUBST([REPLACE_TRUNCF])
102
321
REPLACE_TRUNCL=0; AC_SUBST([REPLACE_TRUNCL])
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# gl_LONG_DOUBLE_VS_DOUBLE
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# determines whether 'long double' and 'double' have the same representation.
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# Sets variable HAVE_SAME_LONG_DOUBLE_AS_DOUBLE to 0 or 1, and defines
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# HAVE_SAME_LONG_DOUBLE_AS_DOUBLE accordingly.
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# The currently known platforms where this is the case are:
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# Linux/HPPA, Minix 3.1.8, AIX 5, AIX 6 and 7 with xlc, MSVC 9.
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AC_DEFUN([gl_LONG_DOUBLE_VS_DOUBLE],
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AC_CACHE_CHECK([whether long double and double are the same],
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[gl_cv_long_double_equals_double],
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[AC_LANG_PROGRAM([[#include <float.h>]],
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[[typedef int check[sizeof (long double) == sizeof (double)
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&& LDBL_MANT_DIG == DBL_MANT_DIG
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&& LDBL_MAX_EXP == DBL_MAX_EXP
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&& LDBL_MIN_EXP == DBL_MIN_EXP
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[gl_cv_long_double_equals_double=yes],
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[gl_cv_long_double_equals_double=no])
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if test $gl_cv_long_double_equals_double = yes; then
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AC_DEFINE([HAVE_SAME_LONG_DOUBLE_AS_DOUBLE], [1],
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[Define to 1 if 'long double' and 'double' have the same representation.])
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HAVE_SAME_LONG_DOUBLE_AS_DOUBLE=1
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HAVE_SAME_LONG_DOUBLE_AS_DOUBLE=0
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AC_SUBST([HAVE_SAME_LONG_DOUBLE_AS_DOUBLE])
added
removed
m4/math_h.m4
