Mercurial > hg > octave-lyh > gnulib-hg
changeset 16402:2c3775efa261
atanl: Provide function definition on MSVC.
* m4/atanl.m4 (gl_FUNC_ATANL): Test also whether atanl can be used as a
function pointer.
* lib/math.in.h (atanl): Undefine if it does not exist as a function.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sat, 25 Feb 2012 01:45:18 +0100 |
parents | 2e3db69dec4a |
children | 580de3212c9d |
files | ChangeLog lib/math.in.h m4/atanl.m4 |
diffstat | 3 files changed, 15 insertions(+), 3 deletions(-) [+] |
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line diff
--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,10 @@ +2012-02-24 Bruno Haible <bruno@clisp.org> + + atanl: Provide function definition on MSVC. + * m4/atanl.m4 (gl_FUNC_ATANL): Test also whether atanl can be used as a + function pointer. + * lib/math.in.h (atanl): Undefine if it does not exist as a function. + 2012-02-24 Bruno Haible <bruno@clisp.org> acosl: Provide function definition on MSVC.
--- a/lib/math.in.h +++ b/lib/math.in.h @@ -225,6 +225,7 @@ #if @GNULIB_ATANL@ # if !@HAVE_ATANL@ || !@HAVE_DECL_ATANL@ +# undef atanl _GL_FUNCDECL_SYS (atanl, long double, (long double x)); # endif _GL_CXXALIAS_SYS (atanl, long double, (long double x));
--- a/m4/atanl.m4 +++ b/m4/atanl.m4 @@ -1,4 +1,4 @@ -# atanl.m4 serial 6 +# atanl.m4 serial 7 dnl Copyright (C) 2010-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -22,8 +22,10 @@ # define __NO_MATH_INLINES 1 /* for glibc */ #endif #include <math.h> + long double (*funcptr) (long double) = atanl; long double x;]], - [[return atanl (x) > 1;]])], + [[return funcptr (x) > 1 + || atanl (x) > 1;]])], [gl_cv_func_atanl_no_libm=yes], [gl_cv_func_atanl_no_libm=no]) ]) @@ -39,8 +41,10 @@ # define __NO_MATH_INLINES 1 /* for glibc */ #endif #include <math.h> + long double (*funcptr) (long double) = atanl; long double x;]], - [[return atanl (x) > 1;]])], + [[return funcptr (x) > 1 + || atanl (x) > 1;]])], [gl_cv_func_atanl_in_libm=yes], [gl_cv_func_atanl_in_libm=no]) LIBS="$save_LIBS"