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annotate m4/math_h.m4 @ 8652:9aabfa2b3200

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New module 'signbit'.
author Bruno Haible <bruno@clisp.org>
date Fri, 06 Apr 2007 20:55:44 +0000
parents 84d2dbfe5855
children 1025663f7658
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84d2dbfe5855 New module 'ldexpl'.
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1 # math_h.m4 serial 4
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c115624bf99a New module 'math'. <math.h> replaces mathl.h.
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2 dnl Copyright (C) 2007 Free Software Foundation, Inc.
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3 dnl This file is free software; the Free Software Foundation
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
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4 dnl gives unlimited permission to copy and/or distribute it,
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
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5 dnl with or without modifications, as long as this notice is preserved.
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
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6
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
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7 AC_DEFUN([gl_MATH_H],
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8 [
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9 AC_REQUIRE([gl_MATH_H_DEFAULTS])
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10 gl_ABSOLUTE_HEADER([math.h])
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11 ABSOLUTE_MATH_H=\"$gl_cv_absolute_math_h\"
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12 AC_SUBST([ABSOLUTE_MATH_H])
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13 ])
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
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14
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
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15 AC_DEFUN([gl_MATH_MODULE_INDICATOR],
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16 [
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17 dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
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18 AC_REQUIRE([gl_MATH_H_DEFAULTS])
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19 GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
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20 ])
c115624bf99a New module 'math'. <math.h> replaces mathl.h.
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21
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22 AC_DEFUN([gl_MATH_H_DEFAULTS],
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23 [
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9aabfa2b3200 New module 'signbit'.
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24 GNULIB_FREXP=0; AC_SUBST([GNULIB_FREXP])
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25 GNULIB_FREXPL=0; AC_SUBST([GNULIB_FREXPL])
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26 GNULIB_LDEXPL=0; AC_SUBST([GNULIB_LDEXPL])
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27 GNULIB_MATHL=0; AC_SUBST([GNULIB_MATHL])
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28 GNULIB_SIGNBIT=0; AC_SUBST([GNULIB_SIGNBIT])
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29 dnl Assume proper GNU behavior unless another module says otherwise.
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30 HAVE_DECL_ACOSL=1; AC_SUBST([HAVE_DECL_ACOSL])
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31 HAVE_DECL_ASINL=1; AC_SUBST([HAVE_DECL_ASINL])
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32 HAVE_DECL_ATANL=1; AC_SUBST([HAVE_DECL_ATANL])
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33 HAVE_DECL_CEILL=1; AC_SUBST([HAVE_DECL_CEILL])
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34 HAVE_DECL_COSL=1; AC_SUBST([HAVE_DECL_COSL])
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35 HAVE_DECL_EXPL=1; AC_SUBST([HAVE_DECL_EXPL])
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36 HAVE_DECL_FLOORL=1; AC_SUBST([HAVE_DECL_FLOORL])
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37 HAVE_DECL_FREXPL=1; AC_SUBST([HAVE_DECL_FREXPL])
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38 HAVE_DECL_LDEXPL=1; AC_SUBST([HAVE_DECL_LDEXPL])
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39 HAVE_DECL_LOGL=1; AC_SUBST([HAVE_DECL_LOGL])
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40 HAVE_DECL_SINL=1; AC_SUBST([HAVE_DECL_SINL])
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41 HAVE_DECL_SQRTL=1; AC_SUBST([HAVE_DECL_SQRTL])
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42 HAVE_DECL_TANL=1; AC_SUBST([HAVE_DECL_TANL])
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af98e0b44387 New module 'frexp'.
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43 REPLACE_FREXP=0; AC_SUBST([REPLACE_FREXP])
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658be4e4521a Provide a replacement for frexpl() if the system has it but it doesn't work.
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44 REPLACE_FREXPL=0; AC_SUBST([REPLACE_FREXPL])
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84d2dbfe5855 New module 'ldexpl'.
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45 REPLACE_LDEXPL=0; AC_SUBST([REPLACE_LDEXPL])
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46 REPLACE_SIGNBIT=0; AC_SUBST([REPLACE_SIGNBIT])
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47 ])