Diff: math_h.m4 - math

	math_h.m4	math_h.m4

	# math_h.m4 serial 21	# math_h.m4 serial 114
	dnl Copyright (C) 2007-2010 Free Software Foundation, Inc.	dnl Copyright (C) 2007-2014 Free Software Foundation, Inc.
	dnl This file is free software; the Free Software Foundation	dnl This file is free software; the Free Software Foundation
	dnl gives unlimited permission to copy and/or distribute it,	dnl gives unlimited permission to copy and/or distribute it,
	dnl with or without modifications, as long as this notice is preserved.	dnl with or without modifications, as long as this notice is preserved.

	AC_DEFUN([gl_MATH_H],	AC_DEFUN([gl_MATH_H],
	[	[
	AC_REQUIRE([gl_MATH_H_DEFAULTS])	AC_REQUIRE([gl_MATH_H_DEFAULTS])
	gl_CHECK_NEXT_HEADERS([math.h])	gl_CHECK_NEXT_HEADERS([math.h])

	AC_REQUIRE([AC_C_INLINE])

	AC_CACHE_CHECK([whether NAN macro works], [gl_cv_header_math_nan_works],	AC_CACHE_CHECK([whether NAN macro works], [gl_cv_header_math_nan_works],
	[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <math.h>]],	[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <math.h>]],
	[[/* Solaris 10 has a broken definition of NAN. Other platforms	[[/* Solaris 10 has a broken definition of NAN. Other platforms
	fail to provide NAN, or provide it only in C99 mode; this	fail to provide NAN, or provide it only in C99 mode; this
	test only needs to fail when NAN is provided but wrong. */	test only needs to fail when NAN is provided but wrong. */
	float f = 1.0f;	float f = 1.0f;
	#ifdef NAN	#ifdef NAN
	f = NAN;	f = NAN;
	#endif	#endif

	skipping to change at line 41	skipping to change at line 40
	double d = HUGE_VAL;	double d = HUGE_VAL;
	return d == 0;]])],	return d == 0;]])],
	[gl_cv_header_math_huge_val_works=yes],	[gl_cv_header_math_huge_val_works=yes],
	[gl_cv_header_math_huge_val_works=no])])	[gl_cv_header_math_huge_val_works=no])])
	if test $gl_cv_header_math_huge_val_works = no; then	if test $gl_cv_header_math_huge_val_works = no; then
	REPLACE_HUGE_VAL=1	REPLACE_HUGE_VAL=1
	fi	fi

	dnl Check for declarations of anything we want to poison if the	dnl Check for declarations of anything we want to poison if the
	dnl corresponding gnulib module is not in use.	dnl corresponding gnulib module is not in use.

	gl_WARN_ON_USE_PREPARE([[#include <math.h>	gl_WARN_ON_USE_PREPARE([[#include <math.h>]],
	]], [acosl asinl atanl ceilf ceill cosl expl floorf floorl frexpl	[acosf acosl asinf asinl atanf atanl
	ldexpl logb logl round roundf roundl sinl sqrtl tanl trunc truncf trunc	cbrt cbrtf cbrtl ceilf ceill copysign copysignf copysignl cosf cosl co
	l])	shf
		expf expl exp2 exp2f exp2l expm1 expm1f expm1l
		fabsf fabsl floorf floorl fma fmaf fmal
		fmod fmodf fmodl frexpf frexpl hypotf hypotl
		ilogb ilogbf ilogbl
		ldexpf ldexpl
		log logf logl log10 log10f log10l log1p log1pf log1pl log2 log2f log2l
		logb logbf logbl
		modf modff modfl powf
		remainder remainderf remainderl
		rint rintf rintl round roundf roundl sinf sinl sinhf sqrtf sqrtl
		tanf tanl tanhf trunc truncf truncl])
	])	])

	AC_DEFUN([gl_MATH_MODULE_INDICATOR],	AC_DEFUN([gl_MATH_MODULE_INDICATOR],
	[	[
	dnl Use AC_REQUIRE here, so that the default settings are expanded once o nly.	dnl Use AC_REQUIRE here, so that the default settings are expanded once o nly.
	AC_REQUIRE([gl_MATH_H_DEFAULTS])	AC_REQUIRE([gl_MATH_H_DEFAULTS])
	gl_MODULE_INDICATOR_SET_VARIABLE([$1])	gl_MODULE_INDICATOR_SET_VARIABLE([$1])
	dnl Define it also as a C macro, for the benefit of the unit tests.	dnl Define it also as a C macro, for the benefit of the unit tests.
	gl_MODULE_INDICATOR_FOR_TESTS([$1])	gl_MODULE_INDICATOR_FOR_TESTS([$1])
	])	])

	AC_DEFUN([gl_MATH_H_DEFAULTS],	AC_DEFUN([gl_MATH_H_DEFAULTS],
	[	[

	GNULIB_ACOSL=0; AC_SUBST([GNULIB_ACOSL])	GNULIB_ACOSF=0; AC_SUBST([GNULIB_ACOSF])
	GNULIB_ASINL=0; AC_SUBST([GNULIB_ASINL])	GNULIB_ACOSL=0; AC_SUBST([GNULIB_ACOSL])
	GNULIB_ATANL=0; AC_SUBST([GNULIB_ATANL])	GNULIB_ASINF=0; AC_SUBST([GNULIB_ASINF])
	GNULIB_CEILF=0; AC_SUBST([GNULIB_CEILF])	GNULIB_ASINL=0; AC_SUBST([GNULIB_ASINL])
	GNULIB_CEILL=0; AC_SUBST([GNULIB_CEILL])	GNULIB_ATANF=0; AC_SUBST([GNULIB_ATANF])
	GNULIB_COSL=0; AC_SUBST([GNULIB_COSL])	GNULIB_ATANL=0; AC_SUBST([GNULIB_ATANL])
	GNULIB_EXPL=0; AC_SUBST([GNULIB_EXPL])	GNULIB_ATAN2F=0; AC_SUBST([GNULIB_ATAN2F])
	GNULIB_FLOORF=0; AC_SUBST([GNULIB_FLOORF])	GNULIB_CBRT=0; AC_SUBST([GNULIB_CBRT])
	GNULIB_FLOORL=0; AC_SUBST([GNULIB_FLOORL])	GNULIB_CBRTF=0; AC_SUBST([GNULIB_CBRTF])
	GNULIB_FREXP=0; AC_SUBST([GNULIB_FREXP])	GNULIB_CBRTL=0; AC_SUBST([GNULIB_CBRTL])
	GNULIB_FREXPL=0; AC_SUBST([GNULIB_FREXPL])	GNULIB_CEIL=0; AC_SUBST([GNULIB_CEIL])
	GNULIB_ISFINITE=0; AC_SUBST([GNULIB_ISFINITE])	GNULIB_CEILF=0; AC_SUBST([GNULIB_CEILF])
	GNULIB_ISINF=0; AC_SUBST([GNULIB_ISINF])	GNULIB_CEILL=0; AC_SUBST([GNULIB_CEILL])
	GNULIB_ISNAN=0; AC_SUBST([GNULIB_ISNAN])	GNULIB_COPYSIGN=0; AC_SUBST([GNULIB_COPYSIGN])
	GNULIB_ISNANF=0; AC_SUBST([GNULIB_ISNANF])	GNULIB_COPYSIGNF=0; AC_SUBST([GNULIB_COPYSIGNF])
	GNULIB_ISNAND=0; AC_SUBST([GNULIB_ISNAND])	GNULIB_COPYSIGNL=0; AC_SUBST([GNULIB_COPYSIGNL])
	GNULIB_ISNANL=0; AC_SUBST([GNULIB_ISNANL])	GNULIB_COSF=0; AC_SUBST([GNULIB_COSF])
	GNULIB_LDEXPL=0; AC_SUBST([GNULIB_LDEXPL])	GNULIB_COSL=0; AC_SUBST([GNULIB_COSL])
	GNULIB_LOGB=0; AC_SUBST([GNULIB_LOGB])	GNULIB_COSHF=0; AC_SUBST([GNULIB_COSHF])
	GNULIB_LOGL=0; AC_SUBST([GNULIB_LOGL])	GNULIB_EXPF=0; AC_SUBST([GNULIB_EXPF])
	GNULIB_ROUND=0; AC_SUBST([GNULIB_ROUND])	GNULIB_EXPL=0; AC_SUBST([GNULIB_EXPL])
	GNULIB_ROUNDF=0; AC_SUBST([GNULIB_ROUNDF])	GNULIB_EXP2=0; AC_SUBST([GNULIB_EXP2])
	GNULIB_ROUNDL=0; AC_SUBST([GNULIB_ROUNDL])	GNULIB_EXP2F=0; AC_SUBST([GNULIB_EXP2F])
	GNULIB_SIGNBIT=0; AC_SUBST([GNULIB_SIGNBIT])	GNULIB_EXP2L=0; AC_SUBST([GNULIB_EXP2L])
	GNULIB_SINL=0; AC_SUBST([GNULIB_SINL])	GNULIB_EXPM1=0; AC_SUBST([GNULIB_EXPM1])
	GNULIB_SQRTL=0; AC_SUBST([GNULIB_SQRTL])	GNULIB_EXPM1F=0; AC_SUBST([GNULIB_EXPM1F])
	GNULIB_TANL=0; AC_SUBST([GNULIB_TANL])	GNULIB_EXPM1L=0; AC_SUBST([GNULIB_EXPM1L])
	GNULIB_TRUNC=0; AC_SUBST([GNULIB_TRUNC])	GNULIB_FABSF=0; AC_SUBST([GNULIB_FABSF])
	GNULIB_TRUNCF=0; AC_SUBST([GNULIB_TRUNCF])	GNULIB_FABSL=0; AC_SUBST([GNULIB_FABSL])
	GNULIB_TRUNCL=0; AC_SUBST([GNULIB_TRUNCL])	GNULIB_FLOOR=0; AC_SUBST([GNULIB_FLOOR])
		GNULIB_FLOORF=0; AC_SUBST([GNULIB_FLOORF])
		GNULIB_FLOORL=0; AC_SUBST([GNULIB_FLOORL])
		GNULIB_FMA=0; AC_SUBST([GNULIB_FMA])
		GNULIB_FMAF=0; AC_SUBST([GNULIB_FMAF])
		GNULIB_FMAL=0; AC_SUBST([GNULIB_FMAL])
		GNULIB_FMOD=0; AC_SUBST([GNULIB_FMOD])
		GNULIB_FMODF=0; AC_SUBST([GNULIB_FMODF])
		GNULIB_FMODL=0; AC_SUBST([GNULIB_FMODL])
		GNULIB_FREXPF=0; AC_SUBST([GNULIB_FREXPF])
		GNULIB_FREXP=0; AC_SUBST([GNULIB_FREXP])
		GNULIB_FREXPL=0; AC_SUBST([GNULIB_FREXPL])
		GNULIB_HYPOT=0; AC_SUBST([GNULIB_HYPOT])
		GNULIB_HYPOTF=0; AC_SUBST([GNULIB_HYPOTF])
		GNULIB_HYPOTL=0; AC_SUBST([GNULIB_HYPOTL])
		GNULIB_ILOGB=0; AC_SUBST([GNULIB_ILOGB])
		GNULIB_ILOGBF=0; AC_SUBST([GNULIB_ILOGBF])
		GNULIB_ILOGBL=0; AC_SUBST([GNULIB_ILOGBL])
		GNULIB_ISFINITE=0; AC_SUBST([GNULIB_ISFINITE])
		GNULIB_ISINF=0; AC_SUBST([GNULIB_ISINF])
		GNULIB_ISNAN=0; AC_SUBST([GNULIB_ISNAN])
		GNULIB_ISNANF=0; AC_SUBST([GNULIB_ISNANF])
		GNULIB_ISNAND=0; AC_SUBST([GNULIB_ISNAND])
		GNULIB_ISNANL=0; AC_SUBST([GNULIB_ISNANL])
		GNULIB_LDEXPF=0; AC_SUBST([GNULIB_LDEXPF])
		GNULIB_LDEXPL=0; AC_SUBST([GNULIB_LDEXPL])
		GNULIB_LOG=0; AC_SUBST([GNULIB_LOG])
		GNULIB_LOGF=0; AC_SUBST([GNULIB_LOGF])
		GNULIB_LOGL=0; AC_SUBST([GNULIB_LOGL])
		GNULIB_LOG10=0; AC_SUBST([GNULIB_LOG10])
		GNULIB_LOG10F=0; AC_SUBST([GNULIB_LOG10F])
		GNULIB_LOG10L=0; AC_SUBST([GNULIB_LOG10L])
		GNULIB_LOG1P=0; AC_SUBST([GNULIB_LOG1P])
		GNULIB_LOG1PF=0; AC_SUBST([GNULIB_LOG1PF])
		GNULIB_LOG1PL=0; AC_SUBST([GNULIB_LOG1PL])
		GNULIB_LOG2=0; AC_SUBST([GNULIB_LOG2])
		GNULIB_LOG2F=0; AC_SUBST([GNULIB_LOG2F])
		GNULIB_LOG2L=0; AC_SUBST([GNULIB_LOG2L])
		GNULIB_LOGB=0; AC_SUBST([GNULIB_LOGB])
		GNULIB_LOGBF=0; AC_SUBST([GNULIB_LOGBF])
		GNULIB_LOGBL=0; AC_SUBST([GNULIB_LOGBL])
		GNULIB_MODF=0; AC_SUBST([GNULIB_MODF])
		GNULIB_MODFF=0; AC_SUBST([GNULIB_MODFF])
		GNULIB_MODFL=0; AC_SUBST([GNULIB_MODFL])
		GNULIB_POWF=0; AC_SUBST([GNULIB_POWF])
		GNULIB_REMAINDER=0; AC_SUBST([GNULIB_REMAINDER])
		GNULIB_REMAINDERF=0; AC_SUBST([GNULIB_REMAINDERF])
		GNULIB_REMAINDERL=0; AC_SUBST([GNULIB_REMAINDERL])
		GNULIB_RINT=0; AC_SUBST([GNULIB_RINT])
		GNULIB_RINTF=0; AC_SUBST([GNULIB_RINTF])
		GNULIB_RINTL=0; AC_SUBST([GNULIB_RINTL])
		GNULIB_ROUND=0; AC_SUBST([GNULIB_ROUND])
		GNULIB_ROUNDF=0; AC_SUBST([GNULIB_ROUNDF])
		GNULIB_ROUNDL=0; AC_SUBST([GNULIB_ROUNDL])
		GNULIB_SIGNBIT=0; AC_SUBST([GNULIB_SIGNBIT])
		GNULIB_SINF=0; AC_SUBST([GNULIB_SINF])
		GNULIB_SINL=0; AC_SUBST([GNULIB_SINL])
		GNULIB_SINHF=0; AC_SUBST([GNULIB_SINHF])
		GNULIB_SQRTF=0; AC_SUBST([GNULIB_SQRTF])
		GNULIB_SQRTL=0; AC_SUBST([GNULIB_SQRTL])
		GNULIB_TANF=0; AC_SUBST([GNULIB_TANF])
		GNULIB_TANL=0; AC_SUBST([GNULIB_TANL])
		GNULIB_TANHF=0; AC_SUBST([GNULIB_TANHF])
		GNULIB_TRUNC=0; AC_SUBST([GNULIB_TRUNC])
		GNULIB_TRUNCF=0; AC_SUBST([GNULIB_TRUNCF])
		GNULIB_TRUNCL=0; AC_SUBST([GNULIB_TRUNCL])
	dnl Assume proper GNU behavior unless another module says otherwise.	dnl Assume proper GNU behavior unless another module says otherwise.

		HAVE_ACOSF=1; AC_SUBST([HAVE_ACOSF])
	HAVE_ACOSL=1; AC_SUBST([HAVE_ACOSL])	HAVE_ACOSL=1; AC_SUBST([HAVE_ACOSL])

		HAVE_ASINF=1; AC_SUBST([HAVE_ASINF])
	HAVE_ASINL=1; AC_SUBST([HAVE_ASINL])	HAVE_ASINL=1; AC_SUBST([HAVE_ASINL])

		HAVE_ATANF=1; AC_SUBST([HAVE_ATANF])
	HAVE_ATANL=1; AC_SUBST([HAVE_ATANL])	HAVE_ATANL=1; AC_SUBST([HAVE_ATANL])

		HAVE_ATAN2F=1; AC_SUBST([HAVE_ATAN2F])
		HAVE_CBRT=1; AC_SUBST([HAVE_CBRT])
		HAVE_CBRTF=1; AC_SUBST([HAVE_CBRTF])
		HAVE_CBRTL=1; AC_SUBST([HAVE_CBRTL])
		HAVE_COPYSIGN=1; AC_SUBST([HAVE_COPYSIGN])
		HAVE_COPYSIGNL=1; AC_SUBST([HAVE_COPYSIGNL])
		HAVE_COSF=1; AC_SUBST([HAVE_COSF])
	HAVE_COSL=1; AC_SUBST([HAVE_COSL])	HAVE_COSL=1; AC_SUBST([HAVE_COSL])

		HAVE_COSHF=1; AC_SUBST([HAVE_COSHF])
		HAVE_EXPF=1; AC_SUBST([HAVE_EXPF])
	HAVE_EXPL=1; AC_SUBST([HAVE_EXPL])	HAVE_EXPL=1; AC_SUBST([HAVE_EXPL])

		HAVE_EXPM1=1; AC_SUBST([HAVE_EXPM1])
		HAVE_EXPM1F=1; AC_SUBST([HAVE_EXPM1F])
		HAVE_FABSF=1; AC_SUBST([HAVE_FABSF])
		HAVE_FABSL=1; AC_SUBST([HAVE_FABSL])
		HAVE_FMA=1; AC_SUBST([HAVE_FMA])
		HAVE_FMAF=1; AC_SUBST([HAVE_FMAF])
		HAVE_FMAL=1; AC_SUBST([HAVE_FMAL])
		HAVE_FMODF=1; AC_SUBST([HAVE_FMODF])
		HAVE_FMODL=1; AC_SUBST([HAVE_FMODL])
		HAVE_FREXPF=1; AC_SUBST([HAVE_FREXPF])
		HAVE_HYPOTF=1; AC_SUBST([HAVE_HYPOTF])
		HAVE_HYPOTL=1; AC_SUBST([HAVE_HYPOTL])
		HAVE_ILOGB=1; AC_SUBST([HAVE_ILOGB])
		HAVE_ILOGBF=1; AC_SUBST([HAVE_ILOGBF])
		HAVE_ILOGBL=1; AC_SUBST([HAVE_ILOGBL])
	HAVE_ISNANF=1; AC_SUBST([HAVE_ISNANF])	HAVE_ISNANF=1; AC_SUBST([HAVE_ISNANF])
	HAVE_ISNAND=1; AC_SUBST([HAVE_ISNAND])	HAVE_ISNAND=1; AC_SUBST([HAVE_ISNAND])
	HAVE_ISNANL=1; AC_SUBST([HAVE_ISNANL])	HAVE_ISNANL=1; AC_SUBST([HAVE_ISNANL])

		HAVE_LDEXPF=1; AC_SUBST([HAVE_LDEXPF])
		HAVE_LOGF=1; AC_SUBST([HAVE_LOGF])
	HAVE_LOGL=1; AC_SUBST([HAVE_LOGL])	HAVE_LOGL=1; AC_SUBST([HAVE_LOGL])

		HAVE_LOG10F=1; AC_SUBST([HAVE_LOG10F])
		HAVE_LOG10L=1; AC_SUBST([HAVE_LOG10L])
		HAVE_LOG1P=1; AC_SUBST([HAVE_LOG1P])
		HAVE_LOG1PF=1; AC_SUBST([HAVE_LOG1PF])
		HAVE_LOG1PL=1; AC_SUBST([HAVE_LOG1PL])
		HAVE_LOGBF=1; AC_SUBST([HAVE_LOGBF])
		HAVE_LOGBL=1; AC_SUBST([HAVE_LOGBL])
		HAVE_MODFF=1; AC_SUBST([HAVE_MODFF])
		HAVE_MODFL=1; AC_SUBST([HAVE_MODFL])
		HAVE_POWF=1; AC_SUBST([HAVE_POWF])
		HAVE_REMAINDER=1; AC_SUBST([HAVE_REMAINDER])
		HAVE_REMAINDERF=1; AC_SUBST([HAVE_REMAINDERF])
		HAVE_RINT=1; AC_SUBST([HAVE_RINT])
		HAVE_RINTL=1; AC_SUBST([HAVE_RINTL])
		HAVE_SINF=1; AC_SUBST([HAVE_SINF])
	HAVE_SINL=1; AC_SUBST([HAVE_SINL])	HAVE_SINL=1; AC_SUBST([HAVE_SINL])

		HAVE_SINHF=1; AC_SUBST([HAVE_SINHF])
		HAVE_SQRTF=1; AC_SUBST([HAVE_SQRTF])
	HAVE_SQRTL=1; AC_SUBST([HAVE_SQRTL])	HAVE_SQRTL=1; AC_SUBST([HAVE_SQRTL])

		HAVE_TANF=1; AC_SUBST([HAVE_TANF])
	HAVE_TANL=1; AC_SUBST([HAVE_TANL])	HAVE_TANL=1; AC_SUBST([HAVE_TANL])

		HAVE_TANHF=1; AC_SUBST([HAVE_TANHF])
	HAVE_DECL_ACOSL=1; AC_SUBST([HAVE_DECL_ACOSL])	HAVE_DECL_ACOSL=1; AC_SUBST([HAVE_DECL_ACOSL])
	HAVE_DECL_ASINL=1; AC_SUBST([HAVE_DECL_ASINL])	HAVE_DECL_ASINL=1; AC_SUBST([HAVE_DECL_ASINL])
	HAVE_DECL_ATANL=1; AC_SUBST([HAVE_DECL_ATANL])	HAVE_DECL_ATANL=1; AC_SUBST([HAVE_DECL_ATANL])

		HAVE_DECL_CBRTF=1; AC_SUBST([HAVE_DECL_CBRTF])
		HAVE_DECL_CBRTL=1; AC_SUBST([HAVE_DECL_CBRTL])
	HAVE_DECL_CEILF=1; AC_SUBST([HAVE_DECL_CEILF])	HAVE_DECL_CEILF=1; AC_SUBST([HAVE_DECL_CEILF])
	HAVE_DECL_CEILL=1; AC_SUBST([HAVE_DECL_CEILL])	HAVE_DECL_CEILL=1; AC_SUBST([HAVE_DECL_CEILL])

		HAVE_DECL_COPYSIGNF=1; AC_SUBST([HAVE_DECL_COPYSIGNF])
	HAVE_DECL_COSL=1; AC_SUBST([HAVE_DECL_COSL])	HAVE_DECL_COSL=1; AC_SUBST([HAVE_DECL_COSL])
	HAVE_DECL_EXPL=1; AC_SUBST([HAVE_DECL_EXPL])	HAVE_DECL_EXPL=1; AC_SUBST([HAVE_DECL_EXPL])

		HAVE_DECL_EXP2=1; AC_SUBST([HAVE_DECL_EXP2])
		HAVE_DECL_EXP2F=1; AC_SUBST([HAVE_DECL_EXP2F])
		HAVE_DECL_EXP2L=1; AC_SUBST([HAVE_DECL_EXP2L])
		HAVE_DECL_EXPM1L=1; AC_SUBST([HAVE_DECL_EXPM1L])
	HAVE_DECL_FLOORF=1; AC_SUBST([HAVE_DECL_FLOORF])	HAVE_DECL_FLOORF=1; AC_SUBST([HAVE_DECL_FLOORF])
	HAVE_DECL_FLOORL=1; AC_SUBST([HAVE_DECL_FLOORL])	HAVE_DECL_FLOORL=1; AC_SUBST([HAVE_DECL_FLOORL])
	HAVE_DECL_FREXPL=1; AC_SUBST([HAVE_DECL_FREXPL])	HAVE_DECL_FREXPL=1; AC_SUBST([HAVE_DECL_FREXPL])
	HAVE_DECL_LDEXPL=1; AC_SUBST([HAVE_DECL_LDEXPL])	HAVE_DECL_LDEXPL=1; AC_SUBST([HAVE_DECL_LDEXPL])

	HAVE_DECL_LOGB=1; AC_SUBST([HAVE_DECL_LOGB])
	HAVE_DECL_LOGL=1; AC_SUBST([HAVE_DECL_LOGL])	HAVE_DECL_LOGL=1; AC_SUBST([HAVE_DECL_LOGL])

		HAVE_DECL_LOG10L=1; AC_SUBST([HAVE_DECL_LOG10L])
		HAVE_DECL_LOG2=1; AC_SUBST([HAVE_DECL_LOG2])
		HAVE_DECL_LOG2F=1; AC_SUBST([HAVE_DECL_LOG2F])
		HAVE_DECL_LOG2L=1; AC_SUBST([HAVE_DECL_LOG2L])
		HAVE_DECL_LOGB=1; AC_SUBST([HAVE_DECL_LOGB])
		HAVE_DECL_REMAINDER=1; AC_SUBST([HAVE_DECL_REMAINDER])
		HAVE_DECL_REMAINDERL=1; AC_SUBST([HAVE_DECL_REMAINDERL])
		HAVE_DECL_RINTF=1; AC_SUBST([HAVE_DECL_RINTF])
	HAVE_DECL_ROUND=1; AC_SUBST([HAVE_DECL_ROUND])	HAVE_DECL_ROUND=1; AC_SUBST([HAVE_DECL_ROUND])
	HAVE_DECL_ROUNDF=1; AC_SUBST([HAVE_DECL_ROUNDF])	HAVE_DECL_ROUNDF=1; AC_SUBST([HAVE_DECL_ROUNDF])
	HAVE_DECL_ROUNDL=1; AC_SUBST([HAVE_DECL_ROUNDL])	HAVE_DECL_ROUNDL=1; AC_SUBST([HAVE_DECL_ROUNDL])
	HAVE_DECL_SINL=1; AC_SUBST([HAVE_DECL_SINL])	HAVE_DECL_SINL=1; AC_SUBST([HAVE_DECL_SINL])
	HAVE_DECL_SQRTL=1; AC_SUBST([HAVE_DECL_SQRTL])	HAVE_DECL_SQRTL=1; AC_SUBST([HAVE_DECL_SQRTL])
	HAVE_DECL_TANL=1; AC_SUBST([HAVE_DECL_TANL])	HAVE_DECL_TANL=1; AC_SUBST([HAVE_DECL_TANL])
	HAVE_DECL_TRUNC=1; AC_SUBST([HAVE_DECL_TRUNC])	HAVE_DECL_TRUNC=1; AC_SUBST([HAVE_DECL_TRUNC])
	HAVE_DECL_TRUNCF=1; AC_SUBST([HAVE_DECL_TRUNCF])	HAVE_DECL_TRUNCF=1; AC_SUBST([HAVE_DECL_TRUNCF])
	HAVE_DECL_TRUNCL=1; AC_SUBST([HAVE_DECL_TRUNCL])	HAVE_DECL_TRUNCL=1; AC_SUBST([HAVE_DECL_TRUNCL])

		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_CEILF=0; AC_SUBST([REPLACE_CEILF])
	REPLACE_CEILL=0; AC_SUBST([REPLACE_CEILL])	REPLACE_CEILL=0; AC_SUBST([REPLACE_CEILL])

		REPLACE_EXPM1=0; AC_SUBST([REPLACE_EXPM1])
		REPLACE_EXPM1F=0; AC_SUBST([REPLACE_EXPM1F])
		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_FLOORF=0; AC_SUBST([REPLACE_FLOORF])
	REPLACE_FLOORL=0; AC_SUBST([REPLACE_FLOORL])	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_FREXP=0; AC_SUBST([REPLACE_FREXP])
	REPLACE_FREXPL=0; AC_SUBST([REPLACE_FREXPL])	REPLACE_FREXPL=0; AC_SUBST([REPLACE_FREXPL])
	REPLACE_HUGE_VAL=0; AC_SUBST([REPLACE_HUGE_VAL])	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_ISFINITE=0; AC_SUBST([REPLACE_ISFINITE])	REPLACE_ISFINITE=0; AC_SUBST([REPLACE_ISFINITE])
	REPLACE_ISINF=0; AC_SUBST([REPLACE_ISINF])	REPLACE_ISINF=0; AC_SUBST([REPLACE_ISINF])
	REPLACE_ISNAN=0; AC_SUBST([REPLACE_ISNAN])	REPLACE_ISNAN=0; AC_SUBST([REPLACE_ISNAN])
	REPLACE_LDEXPL=0; AC_SUBST([REPLACE_LDEXPL])	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_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_ROUND=0; AC_SUBST([REPLACE_ROUND])	REPLACE_ROUND=0; AC_SUBST([REPLACE_ROUND])
	REPLACE_ROUNDF=0; AC_SUBST([REPLACE_ROUNDF])	REPLACE_ROUNDF=0; AC_SUBST([REPLACE_ROUNDF])
	REPLACE_ROUNDL=0; AC_SUBST([REPLACE_ROUNDL])	REPLACE_ROUNDL=0; AC_SUBST([REPLACE_ROUNDL])
	REPLACE_SIGNBIT=0; AC_SUBST([REPLACE_SIGNBIT])	REPLACE_SIGNBIT=0; AC_SUBST([REPLACE_SIGNBIT])
	REPLACE_SIGNBIT_USING_GCC=0; AC_SUBST([REPLACE_SIGNBIT_USING_GCC])	REPLACE_SIGNBIT_USING_GCC=0; AC_SUBST([REPLACE_SIGNBIT_USING_GCC])

		REPLACE_SQRTL=0; AC_SUBST([REPLACE_SQRTL])
		REPLACE_TRUNC=0; AC_SUBST([REPLACE_TRUNC])
		REPLACE_TRUNCF=0; AC_SUBST([REPLACE_TRUNCF])
	REPLACE_TRUNCL=0; AC_SUBST([REPLACE_TRUNCL])	REPLACE_TRUNCL=0; AC_SUBST([REPLACE_TRUNCL])
	])	])


		# gl_LONG_DOUBLE_VS_DOUBLE
		# determines whether 'long double' and 'double' have the same representatio
		n.
		# 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 representati
		on.])
		HAVE_SAME_LONG_DOUBLE_AS_DOUBLE=1
		else
		HAVE_SAME_LONG_DOUBLE_AS_DOUBLE=0
		fi
		AC_SUBST([HAVE_SAME_LONG_DOUBLE_AS_DOUBLE])
		])

End of changes. 28 change blocks.
	38 lines changed or deleted	220 lines changed or added
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