Mercurial > hg > octave-jordi > gnulib-hg
changeset 16399:bffe229960ad
tanl: Provide function definition on MSVC.
* m4/tanl.m4 (gl_FUNC_TANL): Test also whether tanl can be used as a
function pointer.
* lib/math.in.h (tanl): Undefine if it does not exist as a function.
| author | Bruno Haible <bruno@clisp.org> |
|---|---|
| date | Sat, 25 Feb 2012 01:36:41 +0100 |
| parents | 5c120a4f2e73 |
| children | 7f26a7ed91f4 |
| files | ChangeLog lib/math.in.h m4/tanl.m4 |
| diffstat | 3 files changed, 15 insertions(+), 3 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,10 @@ +2012-02-24 Bruno Haible <bruno@clisp.org> + + tanl: Provide function definition on MSVC. + * m4/tanl.m4 (gl_FUNC_TANL): Test also whether tanl can be used as a + function pointer. + * lib/math.in.h (tanl): Undefine if it does not exist as a function. + 2012-02-24 Bruno Haible <bruno@clisp.org> cosl: Provide function definition on MSVC.
--- a/lib/math.in.h +++ b/lib/math.in.h @@ -1039,6 +1039,7 @@ #if @GNULIB_TANL@ # if !@HAVE_TANL@ || !@HAVE_DECL_TANL@ +# undef tanl _GL_FUNCDECL_SYS (tanl, long double, (long double x)); # endif _GL_CXXALIAS_SYS (tanl, long double, (long double x));
--- a/m4/tanl.m4 +++ b/m4/tanl.m4 @@ -1,4 +1,4 @@ -# tanl.m4 serial 6 +# tanl.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) = tanl; long double x;]], - [[return tanl (x) > 0.4;]])], + [[return funcptr (x) > 0.4 + || tanl (x) > 0.4;]])], [gl_cv_func_tanl_no_libm=yes], [gl_cv_func_tanl_no_libm=no]) ]) @@ -39,8 +41,10 @@ # define __NO_MATH_INLINES 1 /* for glibc */ #endif #include <math.h> + long double (*funcptr) (long double) = tanl; long double x;]], - [[return tanl (x) > 0.4;]])], + [[return funcptr (x) > 0.4 + || tanl (x) > 0.4;]])], [gl_cv_func_tanl_in_libm=yes], [gl_cv_func_tanl_in_libm=no]) LIBS="$save_LIBS"