Imported Upstream version 1.4.15
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386 changed files with 60019 additions and 38317 deletions
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@ -1,5 +1,5 @@
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# math_h.m4 serial 14
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dnl Copyright (C) 2007-2008 Free Software Foundation, Inc.
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# math_h.m4 serial 21
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dnl Copyright (C) 2007-2010 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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@ -8,6 +8,8 @@ AC_DEFUN([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_REQUIRE([AC_C_INLINE])
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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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@ -15,9 +17,9 @@ AC_DEFUN([gl_MATH_H],
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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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f = NAN;
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#endif
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return f == 0;]])],
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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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@ -26,26 +28,39 @@ AC_DEFUN([gl_MATH_H],
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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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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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]], [acosl asinl atanl ceilf ceill cosl expl floorf floorl frexpl
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ldexpl logb logl round roundf roundl sinl sqrtl tanl trunc truncf truncl])
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])
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AC_DEFUN([gl_MATH_MODULE_INDICATOR],
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[
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dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
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AC_REQUIRE([gl_MATH_H_DEFAULTS])
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GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
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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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AC_DEFUN([gl_MATH_H_DEFAULTS],
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[
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GNULIB_ACOSL=0; AC_SUBST([GNULIB_ACOSL])
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GNULIB_ASINL=0; AC_SUBST([GNULIB_ASINL])
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GNULIB_ATANL=0; AC_SUBST([GNULIB_ATANL])
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GNULIB_CEILF=0; AC_SUBST([GNULIB_CEILF])
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GNULIB_CEILL=0; AC_SUBST([GNULIB_CEILL])
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GNULIB_COSL=0; AC_SUBST([GNULIB_COSL])
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GNULIB_EXPL=0; AC_SUBST([GNULIB_EXPL])
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GNULIB_FLOORF=0; AC_SUBST([GNULIB_FLOORF])
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GNULIB_FLOORL=0; AC_SUBST([GNULIB_FLOORL])
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GNULIB_FREXP=0; AC_SUBST([GNULIB_FREXP])
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@ -57,31 +72,53 @@ AC_DEFUN([gl_MATH_H_DEFAULTS],
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GNULIB_ISNAND=0; AC_SUBST([GNULIB_ISNAND])
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GNULIB_ISNANL=0; AC_SUBST([GNULIB_ISNANL])
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GNULIB_LDEXPL=0; AC_SUBST([GNULIB_LDEXPL])
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GNULIB_MATHL=0; AC_SUBST([GNULIB_MATHL])
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GNULIB_LOGB=0; AC_SUBST([GNULIB_LOGB])
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GNULIB_LOGL=0; AC_SUBST([GNULIB_LOGL])
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GNULIB_ROUND=0; AC_SUBST([GNULIB_ROUND])
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GNULIB_ROUNDF=0; AC_SUBST([GNULIB_ROUNDF])
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GNULIB_ROUNDL=0; AC_SUBST([GNULIB_ROUNDL])
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GNULIB_SIGNBIT=0; AC_SUBST([GNULIB_SIGNBIT])
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GNULIB_SINL=0; AC_SUBST([GNULIB_SINL])
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GNULIB_SQRTL=0; AC_SUBST([GNULIB_SQRTL])
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GNULIB_TANL=0; AC_SUBST([GNULIB_TANL])
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GNULIB_TRUNC=0; AC_SUBST([GNULIB_TRUNC])
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GNULIB_TRUNCF=0; AC_SUBST([GNULIB_TRUNCF])
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GNULIB_TRUNCL=0; AC_SUBST([GNULIB_TRUNCL])
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dnl Assume proper GNU behavior unless another module says otherwise.
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HAVE_ACOSL=1; AC_SUBST([HAVE_ACOSL])
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HAVE_ASINL=1; AC_SUBST([HAVE_ASINL])
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HAVE_ATANL=1; AC_SUBST([HAVE_ATANL])
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HAVE_COSL=1; AC_SUBST([HAVE_COSL])
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HAVE_EXPL=1; AC_SUBST([HAVE_EXPL])
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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_LOGL=1; AC_SUBST([HAVE_LOGL])
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HAVE_SINL=1; AC_SUBST([HAVE_SINL])
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HAVE_SQRTL=1; AC_SUBST([HAVE_SQRTL])
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HAVE_TANL=1; AC_SUBST([HAVE_TANL])
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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_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_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_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_LOGB=1; AC_SUBST([HAVE_DECL_LOGB])
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HAVE_DECL_LOGL=1; AC_SUBST([HAVE_DECL_LOGL])
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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])
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HAVE_DECL_TANL=1; AC_SUBST([HAVE_DECL_TANL])
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HAVE_DECL_TRUNC=1; AC_SUBST([HAVE_DECL_TRUNC])
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HAVE_DECL_TRUNCF=1; AC_SUBST([HAVE_DECL_TRUNCF])
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HAVE_DECL_TRUNCL=1; AC_SUBST([HAVE_DECL_TRUNCL])
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REPLACE_CEILF=0; AC_SUBST([REPLACE_CEILF])
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REPLACE_CEILL=0; AC_SUBST([REPLACE_CEILL])
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REPLACE_FLOORF=0; AC_SUBST([REPLACE_FLOORF])
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