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392 lines
20 KiB
Plaintext
392 lines
20 KiB
Plaintext
# math_h.m4 serial 125
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dnl Copyright (C) 2007-2022 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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AC_DEFUN_ONCE([gl_MATH_H],
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[
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AC_REQUIRE([gl_MATH_H_DEFAULTS])
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gl_CHECK_NEXT_HEADERS([math.h])
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AC_CACHE_CHECK([whether NAN macro works], [gl_cv_header_math_nan_works],
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[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]],
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[[/* Solaris 10 has a broken definition of NAN. Other platforms
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fail to provide NAN, or provide it only in C99 mode; this
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test only needs to fail when NAN is provided but wrong. */
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float f = 1.0f;
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#ifdef NAN
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f = NAN;
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#endif
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return f == 0;]])],
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[gl_cv_header_math_nan_works=yes],
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[gl_cv_header_math_nan_works=no])])
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if test $gl_cv_header_math_nan_works = no; then
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REPLACE_NAN=1
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fi
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AC_CACHE_CHECK([whether HUGE_VAL works], [gl_cv_header_math_huge_val_works],
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[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]],
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[[/* Solaris 10 has a broken definition of HUGE_VAL. */
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double d = HUGE_VAL;
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return d == 0;]])],
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[gl_cv_header_math_huge_val_works=yes],
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[gl_cv_header_math_huge_val_works=no])])
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if test $gl_cv_header_math_huge_val_works = no; then
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REPLACE_HUGE_VAL=1
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fi
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dnl Check for declarations of anything we want to poison if the
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dnl corresponding gnulib module is not in use.
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gl_WARN_ON_USE_PREPARE([[#include <math.h>]],
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[acosf acosl asinf asinl atanf atanl
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cbrt cbrtf cbrtl ceilf ceill copysign copysignf copysignl cosf cosl coshf
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expf expl exp2 exp2f exp2l expm1 expm1f expm1l
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fabsf fabsl floorf floorl fma fmaf fmal
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fmod fmodf fmodl frexpf frexpl hypotf hypotl
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ilogb ilogbf ilogbl
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ldexpf ldexpl
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log logf logl log10 log10f log10l log1p log1pf log1pl log2 log2f log2l
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logb logbf logbl
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modf modff modfl powf
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remainder remainderf remainderl
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rint rintf rintl round roundf roundl sinf sinl sinhf sqrtf sqrtl
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tanf tanl tanhf trunc truncf truncl])
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])
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# gl_MATH_MODULE_INDICATOR([modulename])
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# sets the shell variable that indicates the presence of the given module
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# to a C preprocessor expression that will evaluate to 1.
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# This macro invocation must not occur in macros that are AC_REQUIREd.
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AC_DEFUN([gl_MATH_MODULE_INDICATOR],
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[
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dnl Ensure to expand the default settings once only.
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gl_MATH_H_REQUIRE_DEFAULTS
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gl_MODULE_INDICATOR_SET_VARIABLE([$1])
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dnl Define it also as a C macro, for the benefit of the unit tests.
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gl_MODULE_INDICATOR_FOR_TESTS([$1])
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])
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# Initializes the default values for AC_SUBSTed shell variables.
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# This macro must not be AC_REQUIREd. It must only be invoked, and only
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# outside of macros or in macros that are not AC_REQUIREd.
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AC_DEFUN([gl_MATH_H_REQUIRE_DEFAULTS],
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[
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m4_defun(GL_MODULE_INDICATOR_PREFIX[_MATH_H_MODULE_INDICATOR_DEFAULTS], [
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ACOSF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ACOSL])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ASINF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ASINL])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ATANF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ATANL])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ATAN2F])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_CBRT])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_CBRTF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_CBRTL])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_CEIL])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_CEILF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_CEILL])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_COPYSIGN])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_COPYSIGNF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_COPYSIGNL])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_COSF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_COSL])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_COSHF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_EXPF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_EXPL])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_EXP2])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_EXP2F])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_EXP2L])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_EXPM1])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_EXPM1F])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_EXPM1L])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FABSF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FABSL])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FLOOR])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FLOORF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FLOORL])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FMA])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FMAF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FMAL])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FMOD])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FMODF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FMODL])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FREXPF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FREXP])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FREXPL])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_HYPOT])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_HYPOTF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_HYPOTL])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ILOGB])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ILOGBF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ILOGBL])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ISFINITE])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ISINF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ISNAN])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ISNANF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ISNAND])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ISNANL])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_LDEXPF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_LDEXPL])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_LOG])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_LOGF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_LOGL])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_LOG10])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_LOG10F])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_LOG10L])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_LOG1P])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_LOG1PF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_LOG1PL])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_LOG2])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_LOG2F])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_LOG2L])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_LOGB])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_LOGBF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_LOGBL])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MODF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MODFF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MODFL])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_POWF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_REMAINDER])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_REMAINDERF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_REMAINDERL])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_RINT])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_RINTF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_RINTL])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ROUND])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ROUNDF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ROUNDL])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_SIGNBIT])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_SINF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_SINL])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_SINHF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_SQRTF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_SQRTL])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_TANF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_TANL])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_TANHF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_TRUNC])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_TRUNCF])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_TRUNCL])
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dnl Support Microsoft deprecated alias function names by default.
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_J0], [1])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_J1], [1])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_JN], [1])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_Y0], [1])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_Y1], [1])
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_YN], [1])
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])
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m4_require(GL_MODULE_INDICATOR_PREFIX[_MATH_H_MODULE_INDICATOR_DEFAULTS])
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AC_REQUIRE([gl_MATH_H_DEFAULTS])
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])
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AC_DEFUN([gl_MATH_H_DEFAULTS],
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[
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dnl Assume proper GNU behavior unless another module says otherwise.
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HAVE_ACOSF=1; AC_SUBST([HAVE_ACOSF])
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HAVE_ACOSL=1; AC_SUBST([HAVE_ACOSL])
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HAVE_ASINF=1; AC_SUBST([HAVE_ASINF])
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HAVE_ASINL=1; AC_SUBST([HAVE_ASINL])
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HAVE_ATANF=1; AC_SUBST([HAVE_ATANF])
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HAVE_ATANL=1; AC_SUBST([HAVE_ATANL])
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HAVE_ATAN2F=1; AC_SUBST([HAVE_ATAN2F])
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HAVE_CBRT=1; AC_SUBST([HAVE_CBRT])
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HAVE_CBRTF=1; AC_SUBST([HAVE_CBRTF])
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HAVE_CBRTL=1; AC_SUBST([HAVE_CBRTL])
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HAVE_COPYSIGN=1; AC_SUBST([HAVE_COPYSIGN])
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HAVE_COPYSIGNL=1; AC_SUBST([HAVE_COPYSIGNL])
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HAVE_COSF=1; AC_SUBST([HAVE_COSF])
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HAVE_COSL=1; AC_SUBST([HAVE_COSL])
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HAVE_COSHF=1; AC_SUBST([HAVE_COSHF])
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HAVE_EXPF=1; AC_SUBST([HAVE_EXPF])
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HAVE_EXPL=1; AC_SUBST([HAVE_EXPL])
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HAVE_EXPM1=1; AC_SUBST([HAVE_EXPM1])
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HAVE_EXPM1F=1; AC_SUBST([HAVE_EXPM1F])
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HAVE_FABSF=1; AC_SUBST([HAVE_FABSF])
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HAVE_FABSL=1; AC_SUBST([HAVE_FABSL])
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HAVE_FMA=1; AC_SUBST([HAVE_FMA])
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HAVE_FMAF=1; AC_SUBST([HAVE_FMAF])
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HAVE_FMAL=1; AC_SUBST([HAVE_FMAL])
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HAVE_FMODF=1; AC_SUBST([HAVE_FMODF])
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HAVE_FMODL=1; AC_SUBST([HAVE_FMODL])
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HAVE_FREXPF=1; AC_SUBST([HAVE_FREXPF])
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HAVE_HYPOTF=1; AC_SUBST([HAVE_HYPOTF])
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HAVE_HYPOTL=1; AC_SUBST([HAVE_HYPOTL])
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HAVE_ILOGB=1; AC_SUBST([HAVE_ILOGB])
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HAVE_ILOGBF=1; AC_SUBST([HAVE_ILOGBF])
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HAVE_ILOGBL=1; AC_SUBST([HAVE_ILOGBL])
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HAVE_ISNANF=1; AC_SUBST([HAVE_ISNANF])
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HAVE_ISNAND=1; AC_SUBST([HAVE_ISNAND])
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HAVE_ISNANL=1; AC_SUBST([HAVE_ISNANL])
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HAVE_LDEXPF=1; AC_SUBST([HAVE_LDEXPF])
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HAVE_LOGF=1; AC_SUBST([HAVE_LOGF])
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HAVE_LOGL=1; AC_SUBST([HAVE_LOGL])
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HAVE_LOG10F=1; AC_SUBST([HAVE_LOG10F])
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HAVE_LOG10L=1; AC_SUBST([HAVE_LOG10L])
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HAVE_LOG1P=1; AC_SUBST([HAVE_LOG1P])
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HAVE_LOG1PF=1; AC_SUBST([HAVE_LOG1PF])
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HAVE_LOG1PL=1; AC_SUBST([HAVE_LOG1PL])
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HAVE_LOGBF=1; AC_SUBST([HAVE_LOGBF])
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HAVE_LOGBL=1; AC_SUBST([HAVE_LOGBL])
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HAVE_MODFF=1; AC_SUBST([HAVE_MODFF])
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HAVE_MODFL=1; AC_SUBST([HAVE_MODFL])
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HAVE_POWF=1; AC_SUBST([HAVE_POWF])
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HAVE_REMAINDER=1; AC_SUBST([HAVE_REMAINDER])
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HAVE_REMAINDERF=1; AC_SUBST([HAVE_REMAINDERF])
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HAVE_RINT=1; AC_SUBST([HAVE_RINT])
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HAVE_RINTL=1; AC_SUBST([HAVE_RINTL])
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HAVE_SINF=1; AC_SUBST([HAVE_SINF])
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HAVE_SINL=1; AC_SUBST([HAVE_SINL])
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HAVE_SINHF=1; AC_SUBST([HAVE_SINHF])
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HAVE_SQRTF=1; AC_SUBST([HAVE_SQRTF])
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HAVE_SQRTL=1; AC_SUBST([HAVE_SQRTL])
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HAVE_TANF=1; AC_SUBST([HAVE_TANF])
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HAVE_TANL=1; AC_SUBST([HAVE_TANL])
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HAVE_TANHF=1; AC_SUBST([HAVE_TANHF])
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HAVE_DECL_ACOSL=1; AC_SUBST([HAVE_DECL_ACOSL])
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HAVE_DECL_ASINL=1; AC_SUBST([HAVE_DECL_ASINL])
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HAVE_DECL_ATANL=1; AC_SUBST([HAVE_DECL_ATANL])
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HAVE_DECL_CBRTF=1; AC_SUBST([HAVE_DECL_CBRTF])
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HAVE_DECL_CBRTL=1; AC_SUBST([HAVE_DECL_CBRTL])
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HAVE_DECL_CEILF=1; AC_SUBST([HAVE_DECL_CEILF])
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HAVE_DECL_CEILL=1; AC_SUBST([HAVE_DECL_CEILL])
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HAVE_DECL_COPYSIGNF=1; AC_SUBST([HAVE_DECL_COPYSIGNF])
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HAVE_DECL_COSL=1; AC_SUBST([HAVE_DECL_COSL])
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HAVE_DECL_EXPL=1; AC_SUBST([HAVE_DECL_EXPL])
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HAVE_DECL_EXP2=1; AC_SUBST([HAVE_DECL_EXP2])
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HAVE_DECL_EXP2F=1; AC_SUBST([HAVE_DECL_EXP2F])
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HAVE_DECL_EXP2L=1; AC_SUBST([HAVE_DECL_EXP2L])
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HAVE_DECL_EXPM1L=1; AC_SUBST([HAVE_DECL_EXPM1L])
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HAVE_DECL_FLOORF=1; AC_SUBST([HAVE_DECL_FLOORF])
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HAVE_DECL_FLOORL=1; AC_SUBST([HAVE_DECL_FLOORL])
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HAVE_DECL_FREXPL=1; AC_SUBST([HAVE_DECL_FREXPL])
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HAVE_DECL_LDEXPL=1; AC_SUBST([HAVE_DECL_LDEXPL])
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HAVE_DECL_LOGL=1; AC_SUBST([HAVE_DECL_LOGL])
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HAVE_DECL_LOG10L=1; AC_SUBST([HAVE_DECL_LOG10L])
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HAVE_DECL_LOG2=1; AC_SUBST([HAVE_DECL_LOG2])
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HAVE_DECL_LOG2F=1; AC_SUBST([HAVE_DECL_LOG2F])
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HAVE_DECL_LOG2L=1; AC_SUBST([HAVE_DECL_LOG2L])
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HAVE_DECL_LOGB=1; AC_SUBST([HAVE_DECL_LOGB])
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HAVE_DECL_REMAINDER=1; AC_SUBST([HAVE_DECL_REMAINDER])
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HAVE_DECL_REMAINDERL=1; AC_SUBST([HAVE_DECL_REMAINDERL])
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HAVE_DECL_RINTF=1; AC_SUBST([HAVE_DECL_RINTF])
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HAVE_DECL_ROUND=1; AC_SUBST([HAVE_DECL_ROUND])
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HAVE_DECL_ROUNDF=1; AC_SUBST([HAVE_DECL_ROUNDF])
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HAVE_DECL_ROUNDL=1; AC_SUBST([HAVE_DECL_ROUNDL])
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HAVE_DECL_SINL=1; AC_SUBST([HAVE_DECL_SINL])
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HAVE_DECL_SQRTL=1; AC_SUBST([HAVE_DECL_SQRTL])
|
|
HAVE_DECL_TANL=1; AC_SUBST([HAVE_DECL_TANL])
|
|
HAVE_DECL_TRUNC=1; AC_SUBST([HAVE_DECL_TRUNC])
|
|
HAVE_DECL_TRUNCF=1; AC_SUBST([HAVE_DECL_TRUNCF])
|
|
HAVE_DECL_TRUNCL=1; AC_SUBST([HAVE_DECL_TRUNCL])
|
|
REPLACE_ACOSF=0; AC_SUBST([REPLACE_ACOSF])
|
|
REPLACE_ASINF=0; AC_SUBST([REPLACE_ASINF])
|
|
REPLACE_ATANF=0; AC_SUBST([REPLACE_ATANF])
|
|
REPLACE_ATAN2F=0; AC_SUBST([REPLACE_ATAN2F])
|
|
REPLACE_CBRTF=0; AC_SUBST([REPLACE_CBRTF])
|
|
REPLACE_CBRTL=0; AC_SUBST([REPLACE_CBRTL])
|
|
REPLACE_CEIL=0; AC_SUBST([REPLACE_CEIL])
|
|
REPLACE_CEILF=0; AC_SUBST([REPLACE_CEILF])
|
|
REPLACE_CEILL=0; AC_SUBST([REPLACE_CEILL])
|
|
REPLACE_COSF=0; AC_SUBST([REPLACE_COSF])
|
|
REPLACE_COSHF=0; AC_SUBST([REPLACE_COSHF])
|
|
REPLACE_EXPF=0; AC_SUBST([REPLACE_EXPF])
|
|
REPLACE_EXPL=0; AC_SUBST([REPLACE_EXPL])
|
|
REPLACE_EXPM1=0; AC_SUBST([REPLACE_EXPM1])
|
|
REPLACE_EXPM1F=0; AC_SUBST([REPLACE_EXPM1F])
|
|
REPLACE_EXPM1L=0; AC_SUBST([REPLACE_EXPM1L])
|
|
REPLACE_EXP2=0; AC_SUBST([REPLACE_EXP2])
|
|
REPLACE_EXP2L=0; AC_SUBST([REPLACE_EXP2L])
|
|
REPLACE_FABSL=0; AC_SUBST([REPLACE_FABSL])
|
|
REPLACE_FLOOR=0; AC_SUBST([REPLACE_FLOOR])
|
|
REPLACE_FLOORF=0; AC_SUBST([REPLACE_FLOORF])
|
|
REPLACE_FLOORL=0; AC_SUBST([REPLACE_FLOORL])
|
|
REPLACE_FMA=0; AC_SUBST([REPLACE_FMA])
|
|
REPLACE_FMAF=0; AC_SUBST([REPLACE_FMAF])
|
|
REPLACE_FMAL=0; AC_SUBST([REPLACE_FMAL])
|
|
REPLACE_FMOD=0; AC_SUBST([REPLACE_FMOD])
|
|
REPLACE_FMODF=0; AC_SUBST([REPLACE_FMODF])
|
|
REPLACE_FMODL=0; AC_SUBST([REPLACE_FMODL])
|
|
REPLACE_FREXPF=0; AC_SUBST([REPLACE_FREXPF])
|
|
REPLACE_FREXP=0; AC_SUBST([REPLACE_FREXP])
|
|
REPLACE_FREXPL=0; AC_SUBST([REPLACE_FREXPL])
|
|
REPLACE_HUGE_VAL=0; AC_SUBST([REPLACE_HUGE_VAL])
|
|
REPLACE_HYPOT=0; AC_SUBST([REPLACE_HYPOT])
|
|
REPLACE_HYPOTF=0; AC_SUBST([REPLACE_HYPOTF])
|
|
REPLACE_HYPOTL=0; AC_SUBST([REPLACE_HYPOTL])
|
|
REPLACE_ILOGB=0; AC_SUBST([REPLACE_ILOGB])
|
|
REPLACE_ILOGBF=0; AC_SUBST([REPLACE_ILOGBF])
|
|
REPLACE_ILOGBL=0; AC_SUBST([REPLACE_ILOGBL])
|
|
REPLACE_ISFINITE=0; AC_SUBST([REPLACE_ISFINITE])
|
|
REPLACE_ISINF=0; AC_SUBST([REPLACE_ISINF])
|
|
REPLACE_ISNAN=0; AC_SUBST([REPLACE_ISNAN])
|
|
REPLACE_LDEXPL=0; AC_SUBST([REPLACE_LDEXPL])
|
|
REPLACE_LOG=0; AC_SUBST([REPLACE_LOG])
|
|
REPLACE_LOGF=0; AC_SUBST([REPLACE_LOGF])
|
|
REPLACE_LOGL=0; AC_SUBST([REPLACE_LOGL])
|
|
REPLACE_LOG10=0; AC_SUBST([REPLACE_LOG10])
|
|
REPLACE_LOG10F=0; AC_SUBST([REPLACE_LOG10F])
|
|
REPLACE_LOG10L=0; AC_SUBST([REPLACE_LOG10L])
|
|
REPLACE_LOG1P=0; AC_SUBST([REPLACE_LOG1P])
|
|
REPLACE_LOG1PF=0; AC_SUBST([REPLACE_LOG1PF])
|
|
REPLACE_LOG1PL=0; AC_SUBST([REPLACE_LOG1PL])
|
|
REPLACE_LOG2=0; AC_SUBST([REPLACE_LOG2])
|
|
REPLACE_LOG2F=0; AC_SUBST([REPLACE_LOG2F])
|
|
REPLACE_LOG2L=0; AC_SUBST([REPLACE_LOG2L])
|
|
REPLACE_LOGB=0; AC_SUBST([REPLACE_LOGB])
|
|
REPLACE_LOGBF=0; AC_SUBST([REPLACE_LOGBF])
|
|
REPLACE_LOGBL=0; AC_SUBST([REPLACE_LOGBL])
|
|
REPLACE_MODF=0; AC_SUBST([REPLACE_MODF])
|
|
REPLACE_MODFF=0; AC_SUBST([REPLACE_MODFF])
|
|
REPLACE_MODFL=0; AC_SUBST([REPLACE_MODFL])
|
|
REPLACE_NAN=0; AC_SUBST([REPLACE_NAN])
|
|
REPLACE_REMAINDER=0; AC_SUBST([REPLACE_REMAINDER])
|
|
REPLACE_REMAINDERF=0; AC_SUBST([REPLACE_REMAINDERF])
|
|
REPLACE_REMAINDERL=0; AC_SUBST([REPLACE_REMAINDERL])
|
|
REPLACE_RINTL=0; AC_SUBST([REPLACE_RINTL])
|
|
REPLACE_ROUND=0; AC_SUBST([REPLACE_ROUND])
|
|
REPLACE_ROUNDF=0; AC_SUBST([REPLACE_ROUNDF])
|
|
REPLACE_ROUNDL=0; AC_SUBST([REPLACE_ROUNDL])
|
|
REPLACE_SIGNBIT=0; AC_SUBST([REPLACE_SIGNBIT])
|
|
REPLACE_SIGNBIT_USING_BUILTINS=0; AC_SUBST([REPLACE_SIGNBIT_USING_BUILTINS])
|
|
REPLACE_SINF=0; AC_SUBST([REPLACE_SINF])
|
|
REPLACE_SINHF=0; AC_SUBST([REPLACE_SINHF])
|
|
REPLACE_SQRTF=0; AC_SUBST([REPLACE_SQRTF])
|
|
REPLACE_SQRTL=0; AC_SUBST([REPLACE_SQRTL])
|
|
REPLACE_TANF=0; AC_SUBST([REPLACE_TANF])
|
|
REPLACE_TANHF=0; AC_SUBST([REPLACE_TANHF])
|
|
REPLACE_TRUNC=0; AC_SUBST([REPLACE_TRUNC])
|
|
REPLACE_TRUNCF=0; AC_SUBST([REPLACE_TRUNCF])
|
|
REPLACE_TRUNCL=0; AC_SUBST([REPLACE_TRUNCL])
|
|
])
|
|
|
|
# gl_LONG_DOUBLE_VS_DOUBLE
|
|
# determines whether 'long double' and 'double' have the same representation.
|
|
# Sets variable HAVE_SAME_LONG_DOUBLE_AS_DOUBLE to 0 or 1, and defines
|
|
# HAVE_SAME_LONG_DOUBLE_AS_DOUBLE accordingly.
|
|
# The currently known platforms where this is the case are:
|
|
# Linux/HPPA, Minix 3.1.8, AIX 5, AIX 6 and 7 with xlc, MSVC 9.
|
|
AC_DEFUN([gl_LONG_DOUBLE_VS_DOUBLE],
|
|
[
|
|
AC_CACHE_CHECK([whether long double and double are the same],
|
|
[gl_cv_long_double_equals_double],
|
|
[AC_COMPILE_IFELSE(
|
|
[AC_LANG_PROGRAM([[#include <float.h>]],
|
|
[[typedef int check[sizeof (long double) == sizeof (double)
|
|
&& LDBL_MANT_DIG == DBL_MANT_DIG
|
|
&& LDBL_MAX_EXP == DBL_MAX_EXP
|
|
&& LDBL_MIN_EXP == DBL_MIN_EXP
|
|
? 1 : -1];
|
|
]])],
|
|
[gl_cv_long_double_equals_double=yes],
|
|
[gl_cv_long_double_equals_double=no])
|
|
])
|
|
if test $gl_cv_long_double_equals_double = yes; then
|
|
AC_DEFINE([HAVE_SAME_LONG_DOUBLE_AS_DOUBLE], [1],
|
|
[Define to 1 if 'long double' and 'double' have the same representation.])
|
|
HAVE_SAME_LONG_DOUBLE_AS_DOUBLE=1
|
|
else
|
|
HAVE_SAME_LONG_DOUBLE_AS_DOUBLE=0
|
|
fi
|
|
AC_SUBST([HAVE_SAME_LONG_DOUBLE_AS_DOUBLE])
|
|
])
|