Imported Upstream version 1.4.13+git200906171200
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362 changed files with 34110 additions and 10773 deletions
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@ -1,4 +1,4 @@
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# math_h.m4 serial 9
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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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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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@ -8,6 +8,31 @@ 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_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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])
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AC_DEFUN([gl_MATH_MODULE_INDICATOR],
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@ -26,6 +51,11 @@ AC_DEFUN([gl_MATH_H_DEFAULTS],
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GNULIB_FREXP=0; AC_SUBST([GNULIB_FREXP])
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GNULIB_FREXPL=0; AC_SUBST([GNULIB_FREXPL])
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GNULIB_ISFINITE=0; AC_SUBST([GNULIB_ISFINITE])
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GNULIB_ISINF=0; AC_SUBST([GNULIB_ISINF])
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GNULIB_ISNAN=0; AC_SUBST([GNULIB_ISNAN])
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GNULIB_ISNANF=0; AC_SUBST([GNULIB_ISNANF])
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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_ROUND=0; AC_SUBST([GNULIB_ROUND])
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@ -36,6 +66,9 @@ AC_DEFUN([gl_MATH_H_DEFAULTS],
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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_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_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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@ -49,18 +82,22 @@ AC_DEFUN([gl_MATH_H_DEFAULTS],
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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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REPLACE_FLOORL=0; AC_SUBST([REPLACE_FLOORL])
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REPLACE_FREXP=0; AC_SUBST([REPLACE_FREXP])
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REPLACE_FREXPL=0; AC_SUBST([REPLACE_FREXPL])
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REPLACE_HUGE_VAL=0; AC_SUBST([REPLACE_HUGE_VAL])
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REPLACE_ISFINITE=0; AC_SUBST([REPLACE_ISFINITE])
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REPLACE_ISINF=0; AC_SUBST([REPLACE_ISINF])
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REPLACE_ISNAN=0; AC_SUBST([REPLACE_ISNAN])
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REPLACE_LDEXPL=0; AC_SUBST([REPLACE_LDEXPL])
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REPLACE_NAN=0; AC_SUBST([REPLACE_NAN])
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REPLACE_ROUND=0; AC_SUBST([REPLACE_ROUND])
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REPLACE_ROUNDF=0; AC_SUBST([REPLACE_ROUNDF])
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REPLACE_ROUNDL=0; AC_SUBST([REPLACE_ROUNDL])
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REPLACE_SIGNBIT=0; AC_SUBST([REPLACE_SIGNBIT])
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REPLACE_SIGNBIT_USING_GCC=0; AC_SUBST([REPLACE_SIGNBIT_USING_GCC])
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REPLACE_TRUNCL=0; AC_SUBST([REPLACE_TRUNCL])
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])
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