octave-lojdl/gnulib-hg: m4/floorf.m4 annotate

annotate m4/floorf.m4 @ 14473:acd1454e6a45

New module 'unictype/category-LC'. * lib/unictype.in.h (UC_CATEGORY_MASK_LC): New enumeration value. (UC_CATEGORY_LC): New declaration. (UC_CASED_LETTER): New macro. * lib/gen-uni-tables.c (is_category_LC): New function. (output_categories): Also handle category LC. (UC_CATEGORY_MASK_LC): New enumeration value. (general_category_byname): Also handle category LC. * lib/unictype/categ_LC.c: New file. * lib/unictype/categ_LC.h: New file, automatically generated. * lib/unictype/categ_name.c (uc_general_category_name): Also handle category LC. * lib/unictype/categ_byname.c (uc_general_category_byname): Likewise. * modules/unictype/category-LC: New file. * modules/unictype/category-all (Depends-on): Add unictype/category-LC.

author	Bruno Haible <bruno@clisp.org>
date	Fri, 25 Mar 2011 20:23:43 +0100
parents	97fc9a21a8fb
children	038c814724c1

rev	line source
13977 dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	1 # floorf.m4 serial 8
14079 97fc9a21a8fb maint: update almost all copyright ranges to include 2011 Jim Meyering <meyering@redhat.com> parents: 13977 diff changeset	2 dnl Copyright (C) 2007, 2009-2011 Free Software Foundation, Inc.
9291 5828ff66b473 New module 'floorf'. Bruno Haible <bruno@clisp.org> parents: diff changeset	3 dnl This file is free software; the Free Software Foundation
5828ff66b473 New module 'floorf'. Bruno Haible <bruno@clisp.org> parents: diff changeset	4 dnl gives unlimited permission to copy and/or distribute it,
5828ff66b473 New module 'floorf'. Bruno Haible <bruno@clisp.org> parents: diff changeset	5 dnl with or without modifications, as long as this notice is preserved.
5828ff66b473 New module 'floorf'. Bruno Haible <bruno@clisp.org> parents: diff changeset	6
5828ff66b473 New module 'floorf'. Bruno Haible <bruno@clisp.org> parents: diff changeset	7 AC_DEFUN([gl_FUNC_FLOORF],
5828ff66b473 New module 'floorf'. Bruno Haible <bruno@clisp.org> parents: diff changeset	8 [
13977 dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	9 m4_divert_text([DEFAULTS], [gl_floorf_required=plain])
9291 5828ff66b473 New module 'floorf'. Bruno Haible <bruno@clisp.org> parents: diff changeset	10 AC_REQUIRE([gl_MATH_H_DEFAULTS])
5828ff66b473 New module 'floorf'. Bruno Haible <bruno@clisp.org> parents: diff changeset	11 dnl Persuade glibc <math.h> to declare floorf().
5828ff66b473 New module 'floorf'. Bruno Haible <bruno@clisp.org> parents: diff changeset	12 AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
5828ff66b473 New module 'floorf'. Bruno Haible <bruno@clisp.org> parents: diff changeset	13 dnl Test whether floorf() is declared.
5828ff66b473 New module 'floorf'. Bruno Haible <bruno@clisp.org> parents: diff changeset	14 AC_CHECK_DECLS([floorf], , , [#include <math.h>])
5828ff66b473 New module 'floorf'. Bruno Haible <bruno@clisp.org> parents: diff changeset	15 if test "$ac_cv_have_decl_floorf" = yes; then
5828ff66b473 New module 'floorf'. Bruno Haible <bruno@clisp.org> parents: diff changeset	16 dnl Test whether floorf() can be used without libm.
9419 8c764a2deb81 Put the test whether the floor or ceil variant needs libm into a separate macro. Bruno Haible <bruno@clisp.org> parents: 9291 diff changeset	17 gl_FUNC_FLOORF_LIBS
9291 5828ff66b473 New module 'floorf'. Bruno Haible <bruno@clisp.org> parents: diff changeset	18 if test "$FLOORF_LIBM" = "?"; then
9420 9e0484f26251 Fix link errors with Sun C 5.0 on Solaris 10. Bruno Haible <bruno@clisp.org> parents: 9419 diff changeset	19 dnl Sun C 5.0 on Solaris declares floorf() and has it in the system-wide
9e0484f26251 Fix link errors with Sun C 5.0 on Solaris 10. Bruno Haible <bruno@clisp.org> parents: 9419 diff changeset	20 dnl libm.so, but not in the libm.so that the compiler uses.
9e0484f26251 Fix link errors with Sun C 5.0 on Solaris 10. Bruno Haible <bruno@clisp.org> parents: 9419 diff changeset	21 REPLACE_FLOORF=1
9291 5828ff66b473 New module 'floorf'. Bruno Haible <bruno@clisp.org> parents: diff changeset	22 fi
13977 dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	23 m4_ifdef([gl_FUNC_FLOORF_IEEE], [
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	24 if test $gl_floorf_required = ieee && test $REPLACE_FLOORF = 0; then
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	25 AC_CACHE_CHECK([whether floorf works according to ISO C 99 with IEC 60559],
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	26 [gl_cv_func_floorf_ieee],
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	27 [
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	28 save_LIBS="$LIBS"
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	29 LIBS="$LIBS $FLOORF_LIBM"
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	30 AC_RUN_IFELSE(
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	31 [AC_LANG_SOURCE([[
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	32 #ifndef __NO_MATH_INLINES
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	33 # define __NO_MATH_INLINES 1 /* for glibc */
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	34 #endif
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	35 #include <math.h>
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	36 ]gl_FLOAT_MINUS_ZERO_CODE[
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	37 ]gl_FLOAT_SIGNBIT_CODE[
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	38 int main()
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	39 {
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	40 /* Test whether floorf (-0.0f) is -0.0f. */
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	41 if (signbitf (minus_zerof) && !signbitf (floorf (minus_zerof)))
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	42 return 1;
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	43 return 0;
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	44 }
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	45 ]])],
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	46 [gl_cv_func_floorf_ieee=yes],
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	47 [gl_cv_func_floorf_ieee=no],
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	48 [gl_cv_func_floorf_ieee="guessing no"])
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	49 LIBS="$save_LIBS"
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	50 ])
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	51 case "$gl_cv_func_floorf_ieee" in
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	52 *yes) ;;
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	53 *) REPLACE_FLOORF=1 ;;
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	54 esac
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	55 fi
dcd86f222143 New module 'floorf-ieee'. Bruno Haible <bruno@clisp.org> parents: 13578 diff changeset	56 ])
9291 5828ff66b473 New module 'floorf'. Bruno Haible <bruno@clisp.org> parents: diff changeset	57 else
13142 6b79b839590c math: Fix some C++ test errors on Cygwin. Bruno Haible <bruno@clisp.org> parents: 13140 diff changeset	58 HAVE_DECL_FLOORF=0
9420 9e0484f26251 Fix link errors with Sun C 5.0 on Solaris 10. Bruno Haible <bruno@clisp.org> parents: 9419 diff changeset	59 fi
13142 6b79b839590c math: Fix some C++ test errors on Cygwin. Bruno Haible <bruno@clisp.org> parents: 13140 diff changeset	60 if test $HAVE_DECL_FLOORF = 0 \|\| test $REPLACE_FLOORF = 1; then
9291 5828ff66b473 New module 'floorf'. Bruno Haible <bruno@clisp.org> parents: diff changeset	61 AC_LIBOBJ([floorf])
5828ff66b473 New module 'floorf'. Bruno Haible <bruno@clisp.org> parents: diff changeset	62 FLOORF_LIBM=
5828ff66b473 New module 'floorf'. Bruno Haible <bruno@clisp.org> parents: diff changeset	63 fi
5828ff66b473 New module 'floorf'. Bruno Haible <bruno@clisp.org> parents: diff changeset	64 AC_SUBST([FLOORF_LIBM])
5828ff66b473 New module 'floorf'. Bruno Haible <bruno@clisp.org> parents: diff changeset	65 ])
9419 8c764a2deb81 Put the test whether the floor or ceil variant needs libm into a separate macro. Bruno Haible <bruno@clisp.org> parents: 9291 diff changeset	66
8c764a2deb81 Put the test whether the floor or ceil variant needs libm into a separate macro. Bruno Haible <bruno@clisp.org> parents: 9291 diff changeset	67 # Determines the libraries needed to get the floorf() function.
8c764a2deb81 Put the test whether the floor or ceil variant needs libm into a separate macro. Bruno Haible <bruno@clisp.org> parents: 9291 diff changeset	68 # Sets FLOORF_LIBM.
8c764a2deb81 Put the test whether the floor or ceil variant needs libm into a separate macro. Bruno Haible <bruno@clisp.org> parents: 9291 diff changeset	69 AC_DEFUN([gl_FUNC_FLOORF_LIBS],
8c764a2deb81 Put the test whether the floor or ceil variant needs libm into a separate macro. Bruno Haible <bruno@clisp.org> parents: 9291 diff changeset	70 [
11229 6dad92faecd1 Avoid spurious "(cached)" in configure output. Bruno Haible <bruno@clisp.org> parents: 9425 diff changeset	71 gl_CACHE_VAL_SILENT([gl_cv_func_floorf_libm], [
9425 b60ac48de79f Rename the cache variable to contain the special marker '_cv_'. Bruno Haible <bruno@clisp.org> parents: 9420 diff changeset	72 gl_cv_func_floorf_libm=?
13578 1e26f884665f Modernize AC_TRY_LINK invocations. Bruno Haible <bruno@clisp.org> parents: 13142 diff changeset	73 AC_LINK_IFELSE(
1e26f884665f Modernize AC_TRY_LINK invocations. Bruno Haible <bruno@clisp.org> parents: 13142 diff changeset	74 [AC_LANG_PROGRAM(
1e26f884665f Modernize AC_TRY_LINK invocations. Bruno Haible <bruno@clisp.org> parents: 13142 diff changeset	75 [[#ifndef __NO_MATH_INLINES
1e26f884665f Modernize AC_TRY_LINK invocations. Bruno Haible <bruno@clisp.org> parents: 13142 diff changeset	76 # define __NO_MATH_INLINES 1 /* for glibc */
1e26f884665f Modernize AC_TRY_LINK invocations. Bruno Haible <bruno@clisp.org> parents: 13142 diff changeset	77 #endif
1e26f884665f Modernize AC_TRY_LINK invocations. Bruno Haible <bruno@clisp.org> parents: 13142 diff changeset	78 #include <math.h>
1e26f884665f Modernize AC_TRY_LINK invocations. Bruno Haible <bruno@clisp.org> parents: 13142 diff changeset	79 float x;]],
1e26f884665f Modernize AC_TRY_LINK invocations. Bruno Haible <bruno@clisp.org> parents: 13142 diff changeset	80 [[x = floorf(x);]])],
9425 b60ac48de79f Rename the cache variable to contain the special marker '_cv_'. Bruno Haible <bruno@clisp.org> parents: 9420 diff changeset	81 [gl_cv_func_floorf_libm=])
b60ac48de79f Rename the cache variable to contain the special marker '_cv_'. Bruno Haible <bruno@clisp.org> parents: 9420 diff changeset	82 if test "$gl_cv_func_floorf_libm" = "?"; then
9419 8c764a2deb81 Put the test whether the floor or ceil variant needs libm into a separate macro. Bruno Haible <bruno@clisp.org> parents: 9291 diff changeset	83 save_LIBS="$LIBS"
8c764a2deb81 Put the test whether the floor or ceil variant needs libm into a separate macro. Bruno Haible <bruno@clisp.org> parents: 9291 diff changeset	84 LIBS="$LIBS -lm"
13578 1e26f884665f Modernize AC_TRY_LINK invocations. Bruno Haible <bruno@clisp.org> parents: 13142 diff changeset	85 AC_LINK_IFELSE(
1e26f884665f Modernize AC_TRY_LINK invocations. Bruno Haible <bruno@clisp.org> parents: 13142 diff changeset	86 [AC_LANG_PROGRAM(
1e26f884665f Modernize AC_TRY_LINK invocations. Bruno Haible <bruno@clisp.org> parents: 13142 diff changeset	87 [[#ifndef __NO_MATH_INLINES
1e26f884665f Modernize AC_TRY_LINK invocations. Bruno Haible <bruno@clisp.org> parents: 13142 diff changeset	88 # define __NO_MATH_INLINES 1 /* for glibc */
1e26f884665f Modernize AC_TRY_LINK invocations. Bruno Haible <bruno@clisp.org> parents: 13142 diff changeset	89 #endif
1e26f884665f Modernize AC_TRY_LINK invocations. Bruno Haible <bruno@clisp.org> parents: 13142 diff changeset	90 #include <math.h>
1e26f884665f Modernize AC_TRY_LINK invocations. Bruno Haible <bruno@clisp.org> parents: 13142 diff changeset	91 float x;]],
1e26f884665f Modernize AC_TRY_LINK invocations. Bruno Haible <bruno@clisp.org> parents: 13142 diff changeset	92 [[x = floorf(x);]])],
9425 b60ac48de79f Rename the cache variable to contain the special marker '_cv_'. Bruno Haible <bruno@clisp.org> parents: 9420 diff changeset	93 [gl_cv_func_floorf_libm="-lm"])
9419 8c764a2deb81 Put the test whether the floor or ceil variant needs libm into a separate macro. Bruno Haible <bruno@clisp.org> parents: 9291 diff changeset	94 LIBS="$save_LIBS"
8c764a2deb81 Put the test whether the floor or ceil variant needs libm into a separate macro. Bruno Haible <bruno@clisp.org> parents: 9291 diff changeset	95 fi
8c764a2deb81 Put the test whether the floor or ceil variant needs libm into a separate macro. Bruno Haible <bruno@clisp.org> parents: 9291 diff changeset	96 ])
9425 b60ac48de79f Rename the cache variable to contain the special marker '_cv_'. Bruno Haible <bruno@clisp.org> parents: 9420 diff changeset	97 FLOORF_LIBM="$gl_cv_func_floorf_libm"
9419 8c764a2deb81 Put the test whether the floor or ceil variant needs libm into a separate macro. Bruno Haible <bruno@clisp.org> parents: 9291 diff changeset	98 ])

Mercurial > hg > octave-lojdl > gnulib-hg

annotate m4/floorf.m4 @ 14473:acd1454e6a45