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| author | Bruno Haible <bruno@clisp.org> | 2012-03-06 23:25:51 +0100 |
|---|---|---|
| committer | Bruno Haible <bruno@clisp.org> | 2012-03-07 00:05:20 +0100 |
| commit | 7c193d625308bb806418c61ec9062fc22a29aeaf (patch) | |
| tree | d930f9bd1941f02881d8fff53b4deb033c5267a1 /lib/math.in.h | |
| parent | a7c48c37cce035f27f23fb59e2ca4d661e035181 (diff) | |
| download | gnulib-7c193d625308bb806418c61ec9062fc22a29aeaf.tar.gz | |
Work around expm1f bug on IRIX 6.5.
* lib/math.in.h (expm1f): Override if REPLACE_EXPM1F is 1.
* m4/expm1f.m4 (gl_FUNC_EXPM1F_WORKS): New macro.
(gl_FUNC_EXPM1F): Invoke it. Set REPLACE_EXPM1F to 1 if expm1f() does
not work.
* m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize REPLACE_EXPM1F.
* modules/math (Makefile.am): Substitute REPLACE_EXPM1F.
* modules/expm1f (configure.ac): Consider REPLACE_EXPM1F.
(Depends-on): Update conditions.
* doc/posix-functions/expm1f.texi: Mention the IRIX 6.5 bug.
Diffstat (limited to 'lib/math.in.h')
| -rw-r--r-- | lib/math.in.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/lib/math.in.h b/lib/math.in.h index 5413d3a160..c57e48bb9e 100644 --- a/lib/math.in.h +++ b/lib/math.in.h @@ -533,10 +533,19 @@ _GL_WARN_ON_USE (expl, "expl is unportable - " #if @GNULIB_EXPM1F@ -# if !@HAVE_EXPM1F@ +# if @REPLACE_EXPM1F@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef expm1f +# define expm1f rpl_expm1f +# endif +_GL_FUNCDECL_RPL (expm1f, float, (float x)); +_GL_CXXALIAS_RPL (expm1f, float, (float x)); +# else +# if !@HAVE_EXPM1F@ _GL_FUNCDECL_SYS (expm1f, float, (float x)); -# endif +# endif _GL_CXXALIAS_SYS (expm1f, float, (float x)); +# endif _GL_CXXALIASWARN (expm1f); #elif defined GNULIB_POSIXCHECK # undef expm1f |