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-rw-r--r--gl/m4/math_h.m4287
1 files changed, 250 insertions, 37 deletions
diff --git a/gl/m4/math_h.m4 b/gl/m4/math_h.m4
index 2d89ca3f..bf0845fd 100644
--- a/gl/m4/math_h.m4
+++ b/gl/m4/math_h.m4
@@ -1,5 +1,5 @@
1# math_h.m4 serial 21 1# math_h.m4 serial 114
2dnl Copyright (C) 2007-2010 Free Software Foundation, Inc. 2dnl Copyright (C) 2007-2013 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation 3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it, 4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved. 5dnl with or without modifications, as long as this notice is preserved.
@@ -8,7 +8,6 @@ AC_DEFUN([gl_MATH_H],
8[ 8[
9 AC_REQUIRE([gl_MATH_H_DEFAULTS]) 9 AC_REQUIRE([gl_MATH_H_DEFAULTS])
10 gl_CHECK_NEXT_HEADERS([math.h]) 10 gl_CHECK_NEXT_HEADERS([math.h])
11 AC_REQUIRE([AC_C_INLINE])
12 11
13 AC_CACHE_CHECK([whether NAN macro works], [gl_cv_header_math_nan_works], 12 AC_CACHE_CHECK([whether NAN macro works], [gl_cv_header_math_nan_works],
14 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <math.h>]], 13 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <math.h>]],
@@ -38,9 +37,20 @@ AC_DEFUN([gl_MATH_H],
38 37
39 dnl Check for declarations of anything we want to poison if the 38 dnl Check for declarations of anything we want to poison if the
40 dnl corresponding gnulib module is not in use. 39 dnl corresponding gnulib module is not in use.
41 gl_WARN_ON_USE_PREPARE([[#include <math.h> 40 gl_WARN_ON_USE_PREPARE([[#include <math.h>]],
42 ]], [acosl asinl atanl ceilf ceill cosl expl floorf floorl frexpl 41 [acosf acosl asinf asinl atanf atanl
43 ldexpl logb logl round roundf roundl sinl sqrtl tanl trunc truncf truncl]) 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
46 ilogb ilogbf ilogbl
47 ldexpf ldexpl
48 log logf logl log10 log10f log10l log1p log1pf log1pl log2 log2f log2l
49 logb logbf logbl
50 modf modff modfl powf
51 remainder remainderf remainderl
52 rint rintf rintl round roundf roundl sinf sinl sinhf sqrtf sqrtl
53 tanf tanl tanhf trunc truncf truncl])
44]) 54])
45 55
46AC_DEFUN([gl_MATH_MODULE_INDICATOR], 56AC_DEFUN([gl_MATH_MODULE_INDICATOR],
@@ -54,62 +64,189 @@ AC_DEFUN([gl_MATH_MODULE_INDICATOR],
54 64
55AC_DEFUN([gl_MATH_H_DEFAULTS], 65AC_DEFUN([gl_MATH_H_DEFAULTS],
56[ 66[
57 GNULIB_ACOSL=0; AC_SUBST([GNULIB_ACOSL]) 67 GNULIB_ACOSF=0; AC_SUBST([GNULIB_ACOSF])
58 GNULIB_ASINL=0; AC_SUBST([GNULIB_ASINL]) 68 GNULIB_ACOSL=0; AC_SUBST([GNULIB_ACOSL])
59 GNULIB_ATANL=0; AC_SUBST([GNULIB_ATANL]) 69 GNULIB_ASINF=0; AC_SUBST([GNULIB_ASINF])
60 GNULIB_CEILF=0; AC_SUBST([GNULIB_CEILF]) 70 GNULIB_ASINL=0; AC_SUBST([GNULIB_ASINL])
61 GNULIB_CEILL=0; AC_SUBST([GNULIB_CEILL]) 71 GNULIB_ATANF=0; AC_SUBST([GNULIB_ATANF])
62 GNULIB_COSL=0; AC_SUBST([GNULIB_COSL]) 72 GNULIB_ATANL=0; AC_SUBST([GNULIB_ATANL])
63 GNULIB_EXPL=0; AC_SUBST([GNULIB_EXPL]) 73 GNULIB_ATAN2F=0; AC_SUBST([GNULIB_ATAN2F])
64 GNULIB_FLOORF=0; AC_SUBST([GNULIB_FLOORF]) 74 GNULIB_CBRT=0; AC_SUBST([GNULIB_CBRT])
65 GNULIB_FLOORL=0; AC_SUBST([GNULIB_FLOORL]) 75 GNULIB_CBRTF=0; AC_SUBST([GNULIB_CBRTF])
66 GNULIB_FREXP=0; AC_SUBST([GNULIB_FREXP]) 76 GNULIB_CBRTL=0; AC_SUBST([GNULIB_CBRTL])
67 GNULIB_FREXPL=0; AC_SUBST([GNULIB_FREXPL]) 77 GNULIB_CEIL=0; AC_SUBST([GNULIB_CEIL])
68 GNULIB_ISFINITE=0; AC_SUBST([GNULIB_ISFINITE]) 78 GNULIB_CEILF=0; AC_SUBST([GNULIB_CEILF])
69 GNULIB_ISINF=0; AC_SUBST([GNULIB_ISINF]) 79 GNULIB_CEILL=0; AC_SUBST([GNULIB_CEILL])
70 GNULIB_ISNAN=0; AC_SUBST([GNULIB_ISNAN]) 80 GNULIB_COPYSIGN=0; AC_SUBST([GNULIB_COPYSIGN])
71 GNULIB_ISNANF=0; AC_SUBST([GNULIB_ISNANF]) 81 GNULIB_COPYSIGNF=0; AC_SUBST([GNULIB_COPYSIGNF])
72 GNULIB_ISNAND=0; AC_SUBST([GNULIB_ISNAND]) 82 GNULIB_COPYSIGNL=0; AC_SUBST([GNULIB_COPYSIGNL])
73 GNULIB_ISNANL=0; AC_SUBST([GNULIB_ISNANL]) 83 GNULIB_COSF=0; AC_SUBST([GNULIB_COSF])
74 GNULIB_LDEXPL=0; AC_SUBST([GNULIB_LDEXPL]) 84 GNULIB_COSL=0; AC_SUBST([GNULIB_COSL])
75 GNULIB_LOGB=0; AC_SUBST([GNULIB_LOGB]) 85 GNULIB_COSHF=0; AC_SUBST([GNULIB_COSHF])
76 GNULIB_LOGL=0; AC_SUBST([GNULIB_LOGL]) 86 GNULIB_EXPF=0; AC_SUBST([GNULIB_EXPF])
77 GNULIB_ROUND=0; AC_SUBST([GNULIB_ROUND]) 87 GNULIB_EXPL=0; AC_SUBST([GNULIB_EXPL])
78 GNULIB_ROUNDF=0; AC_SUBST([GNULIB_ROUNDF]) 88 GNULIB_EXP2=0; AC_SUBST([GNULIB_EXP2])
79 GNULIB_ROUNDL=0; AC_SUBST([GNULIB_ROUNDL]) 89 GNULIB_EXP2F=0; AC_SUBST([GNULIB_EXP2F])
80 GNULIB_SIGNBIT=0; AC_SUBST([GNULIB_SIGNBIT]) 90 GNULIB_EXP2L=0; AC_SUBST([GNULIB_EXP2L])
81 GNULIB_SINL=0; AC_SUBST([GNULIB_SINL]) 91 GNULIB_EXPM1=0; AC_SUBST([GNULIB_EXPM1])
82 GNULIB_SQRTL=0; AC_SUBST([GNULIB_SQRTL]) 92 GNULIB_EXPM1F=0; AC_SUBST([GNULIB_EXPM1F])
83 GNULIB_TANL=0; AC_SUBST([GNULIB_TANL]) 93 GNULIB_EXPM1L=0; AC_SUBST([GNULIB_EXPM1L])
84 GNULIB_TRUNC=0; AC_SUBST([GNULIB_TRUNC]) 94 GNULIB_FABSF=0; AC_SUBST([GNULIB_FABSF])
85 GNULIB_TRUNCF=0; AC_SUBST([GNULIB_TRUNCF]) 95 GNULIB_FABSL=0; AC_SUBST([GNULIB_FABSL])
86 GNULIB_TRUNCL=0; AC_SUBST([GNULIB_TRUNCL]) 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])
87 dnl Assume proper GNU behavior unless another module says otherwise. 162 dnl Assume proper GNU behavior unless another module says otherwise.
163 HAVE_ACOSF=1; AC_SUBST([HAVE_ACOSF])
88 HAVE_ACOSL=1; AC_SUBST([HAVE_ACOSL]) 164 HAVE_ACOSL=1; AC_SUBST([HAVE_ACOSL])
165 HAVE_ASINF=1; AC_SUBST([HAVE_ASINF])
89 HAVE_ASINL=1; AC_SUBST([HAVE_ASINL]) 166 HAVE_ASINL=1; AC_SUBST([HAVE_ASINL])
167 HAVE_ATANF=1; AC_SUBST([HAVE_ATANF])
90 HAVE_ATANL=1; AC_SUBST([HAVE_ATANL]) 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])
91 HAVE_COSL=1; AC_SUBST([HAVE_COSL]) 176 HAVE_COSL=1; AC_SUBST([HAVE_COSL])
177 HAVE_COSHF=1; AC_SUBST([HAVE_COSHF])
178 HAVE_EXPF=1; AC_SUBST([HAVE_EXPF])
92 HAVE_EXPL=1; AC_SUBST([HAVE_EXPL]) 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])
93 HAVE_ISNANF=1; AC_SUBST([HAVE_ISNANF]) 195 HAVE_ISNANF=1; AC_SUBST([HAVE_ISNANF])
94 HAVE_ISNAND=1; AC_SUBST([HAVE_ISNAND]) 196 HAVE_ISNAND=1; AC_SUBST([HAVE_ISNAND])
95 HAVE_ISNANL=1; AC_SUBST([HAVE_ISNANL]) 197 HAVE_ISNANL=1; AC_SUBST([HAVE_ISNANL])
198 HAVE_LDEXPF=1; AC_SUBST([HAVE_LDEXPF])
199 HAVE_LOGF=1; AC_SUBST([HAVE_LOGF])
96 HAVE_LOGL=1; AC_SUBST([HAVE_LOGL]) 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])
97 HAVE_SINL=1; AC_SUBST([HAVE_SINL]) 216 HAVE_SINL=1; AC_SUBST([HAVE_SINL])
217 HAVE_SINHF=1; AC_SUBST([HAVE_SINHF])
218 HAVE_SQRTF=1; AC_SUBST([HAVE_SQRTF])
98 HAVE_SQRTL=1; AC_SUBST([HAVE_SQRTL]) 219 HAVE_SQRTL=1; AC_SUBST([HAVE_SQRTL])
220 HAVE_TANF=1; AC_SUBST([HAVE_TANF])
99 HAVE_TANL=1; AC_SUBST([HAVE_TANL]) 221 HAVE_TANL=1; AC_SUBST([HAVE_TANL])
222 HAVE_TANHF=1; AC_SUBST([HAVE_TANHF])
100 HAVE_DECL_ACOSL=1; AC_SUBST([HAVE_DECL_ACOSL]) 223 HAVE_DECL_ACOSL=1; AC_SUBST([HAVE_DECL_ACOSL])
101 HAVE_DECL_ASINL=1; AC_SUBST([HAVE_DECL_ASINL]) 224 HAVE_DECL_ASINL=1; AC_SUBST([HAVE_DECL_ASINL])
102 HAVE_DECL_ATANL=1; AC_SUBST([HAVE_DECL_ATANL]) 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])
103 HAVE_DECL_CEILF=1; AC_SUBST([HAVE_DECL_CEILF]) 228 HAVE_DECL_CEILF=1; AC_SUBST([HAVE_DECL_CEILF])
104 HAVE_DECL_CEILL=1; AC_SUBST([HAVE_DECL_CEILL]) 229 HAVE_DECL_CEILL=1; AC_SUBST([HAVE_DECL_CEILL])
230 HAVE_DECL_COPYSIGNF=1; AC_SUBST([HAVE_DECL_COPYSIGNF])
105 HAVE_DECL_COSL=1; AC_SUBST([HAVE_DECL_COSL]) 231 HAVE_DECL_COSL=1; AC_SUBST([HAVE_DECL_COSL])
106 HAVE_DECL_EXPL=1; AC_SUBST([HAVE_DECL_EXPL]) 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])
107 HAVE_DECL_FLOORF=1; AC_SUBST([HAVE_DECL_FLOORF]) 237 HAVE_DECL_FLOORF=1; AC_SUBST([HAVE_DECL_FLOORF])
108 HAVE_DECL_FLOORL=1; AC_SUBST([HAVE_DECL_FLOORL]) 238 HAVE_DECL_FLOORL=1; AC_SUBST([HAVE_DECL_FLOORL])
109 HAVE_DECL_FREXPL=1; AC_SUBST([HAVE_DECL_FREXPL]) 239 HAVE_DECL_FREXPL=1; AC_SUBST([HAVE_DECL_FREXPL])
110 HAVE_DECL_LDEXPL=1; AC_SUBST([HAVE_DECL_LDEXPL]) 240 HAVE_DECL_LDEXPL=1; AC_SUBST([HAVE_DECL_LDEXPL])
111 HAVE_DECL_LOGB=1; AC_SUBST([HAVE_DECL_LOGB])
112 HAVE_DECL_LOGL=1; AC_SUBST([HAVE_DECL_LOGL]) 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])
113 HAVE_DECL_ROUND=1; AC_SUBST([HAVE_DECL_ROUND]) 250 HAVE_DECL_ROUND=1; AC_SUBST([HAVE_DECL_ROUND])
114 HAVE_DECL_ROUNDF=1; AC_SUBST([HAVE_DECL_ROUNDF]) 251 HAVE_DECL_ROUNDF=1; AC_SUBST([HAVE_DECL_ROUNDF])
115 HAVE_DECL_ROUNDL=1; AC_SUBST([HAVE_DECL_ROUNDL]) 252 HAVE_DECL_ROUNDL=1; AC_SUBST([HAVE_DECL_ROUNDL])
@@ -119,22 +256,98 @@ AC_DEFUN([gl_MATH_H_DEFAULTS],
119 HAVE_DECL_TRUNC=1; AC_SUBST([HAVE_DECL_TRUNC]) 256 HAVE_DECL_TRUNC=1; AC_SUBST([HAVE_DECL_TRUNC])
120 HAVE_DECL_TRUNCF=1; AC_SUBST([HAVE_DECL_TRUNCF]) 257 HAVE_DECL_TRUNCF=1; AC_SUBST([HAVE_DECL_TRUNCF])
121 HAVE_DECL_TRUNCL=1; AC_SUBST([HAVE_DECL_TRUNCL]) 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])
122 REPLACE_CEILF=0; AC_SUBST([REPLACE_CEILF]) 262 REPLACE_CEILF=0; AC_SUBST([REPLACE_CEILF])
123 REPLACE_CEILL=0; AC_SUBST([REPLACE_CEILL]) 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])
124 REPLACE_FLOORF=0; AC_SUBST([REPLACE_FLOORF]) 270 REPLACE_FLOORF=0; AC_SUBST([REPLACE_FLOORF])
125 REPLACE_FLOORL=0; AC_SUBST([REPLACE_FLOORL]) 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])
126 REPLACE_FREXP=0; AC_SUBST([REPLACE_FREXP]) 279 REPLACE_FREXP=0; AC_SUBST([REPLACE_FREXP])
127 REPLACE_FREXPL=0; AC_SUBST([REPLACE_FREXPL]) 280 REPLACE_FREXPL=0; AC_SUBST([REPLACE_FREXPL])
128 REPLACE_HUGE_VAL=0; AC_SUBST([REPLACE_HUGE_VAL]) 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])
129 REPLACE_ISFINITE=0; AC_SUBST([REPLACE_ISFINITE]) 287 REPLACE_ISFINITE=0; AC_SUBST([REPLACE_ISFINITE])
130 REPLACE_ISINF=0; AC_SUBST([REPLACE_ISINF]) 288 REPLACE_ISINF=0; AC_SUBST([REPLACE_ISINF])
131 REPLACE_ISNAN=0; AC_SUBST([REPLACE_ISNAN]) 289 REPLACE_ISNAN=0; AC_SUBST([REPLACE_ISNAN])
132 REPLACE_LDEXPL=0; AC_SUBST([REPLACE_LDEXPL]) 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])
133 REPLACE_NAN=0; AC_SUBST([REPLACE_NAN]) 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])
134 REPLACE_ROUND=0; AC_SUBST([REPLACE_ROUND]) 313 REPLACE_ROUND=0; AC_SUBST([REPLACE_ROUND])
135 REPLACE_ROUNDF=0; AC_SUBST([REPLACE_ROUNDF]) 314 REPLACE_ROUNDF=0; AC_SUBST([REPLACE_ROUNDF])
136 REPLACE_ROUNDL=0; AC_SUBST([REPLACE_ROUNDL]) 315 REPLACE_ROUNDL=0; AC_SUBST([REPLACE_ROUNDL])
137 REPLACE_SIGNBIT=0; AC_SUBST([REPLACE_SIGNBIT]) 316 REPLACE_SIGNBIT=0; AC_SUBST([REPLACE_SIGNBIT])
138 REPLACE_SIGNBIT_USING_GCC=0; AC_SUBST([REPLACE_SIGNBIT_USING_GCC]) 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])
139 REPLACE_TRUNCL=0; AC_SUBST([REPLACE_TRUNCL]) 321 REPLACE_TRUNCL=0; AC_SUBST([REPLACE_TRUNCL])
140]) 322])
323
324# gl_LONG_DOUBLE_VS_DOUBLE
325# determines whether 'long double' and 'double' have the same representation.
326# Sets variable HAVE_SAME_LONG_DOUBLE_AS_DOUBLE to 0 or 1, and defines
327# HAVE_SAME_LONG_DOUBLE_AS_DOUBLE accordingly.
328# The currently known platforms where this is the case are:
329# Linux/HPPA, Minix 3.1.8, AIX 5, AIX 6 and 7 with xlc, MSVC 9.
330AC_DEFUN([gl_LONG_DOUBLE_VS_DOUBLE],
331[
332 AC_CACHE_CHECK([whether long double and double are the same],
333 [gl_cv_long_double_equals_double],
334 [AC_COMPILE_IFELSE(
335 [AC_LANG_PROGRAM([[#include <float.h>]],
336 [[typedef int check[sizeof (long double) == sizeof (double)
337 && LDBL_MANT_DIG == DBL_MANT_DIG
338 && LDBL_MAX_EXP == DBL_MAX_EXP
339 && LDBL_MIN_EXP == DBL_MIN_EXP
340 ? 1 : -1];
341 ]])],
342 [gl_cv_long_double_equals_double=yes],
343 [gl_cv_long_double_equals_double=no])
344 ])
345 if test $gl_cv_long_double_equals_double = yes; then
346 AC_DEFINE([HAVE_SAME_LONG_DOUBLE_AS_DOUBLE], [1],
347 [Define to 1 if 'long double' and 'double' have the same representation.])
348 HAVE_SAME_LONG_DOUBLE_AS_DOUBLE=1
349 else
350 HAVE_SAME_LONG_DOUBLE_AS_DOUBLE=0
351 fi
352 AC_SUBST([HAVE_SAME_LONG_DOUBLE_AS_DOUBLE])
353])