diff options
| author | Bruno Haible <bruno@clisp.org> | 2012-04-01 13:19:41 +0200 |
|---|---|---|
| committer | Bruno Haible <bruno@clisp.org> | 2012-04-01 16:37:08 +0200 |
| commit | 54be6af60f46a82b2d9051cd939169cd288ed52c (patch) | |
| tree | e975c8674643c7c7f8ef8d7e7939b7d2ac419c2d /doc/posix-functions/log10.texi | |
| parent | 1cf571bb5ce42ffa1a95361d32414119a7ac6eba (diff) | |
| download | gnulib-54be6af60f46a82b2d9051cd939169cd288ed52c.tar.gz | |
log10: Work around OSF/1 5.1 bug.
* lib/math.in.h (log10): New declaration.
* lib/log10.c: New file.
* m4/log10.m4 (gl_FUNC_LOG10_WORKS): New macro.
(gl_FUNC_LOG10): Invoke it. Set REPLACE_LOG10.
* m4/math_h.m4 (gl_MATH_H): Test whether log10 is declared.
(gl_MATH_H_DEFAULTS): Initialize GNULIB_LOG10, REPLACE_LOG10.
* modules/math (Makefile.am): Substitute GNULIB_LOG10, REPLACE_LOG10.
* modules/log10 (Files): Add lib/log10.c.
(Depends-on): Add math.
(configure.ac): If REPLACE_LOG10 is 1, compile an override.
* tests/test-math-c++.cc: Check the declaration of log10.
* doc/posix-functions/log10.texi: Mention the OSF/1 5.1 problem.
Diffstat (limited to 'doc/posix-functions/log10.texi')
| -rw-r--r-- | doc/posix-functions/log10.texi | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/doc/posix-functions/log10.texi b/doc/posix-functions/log10.texi index 0674fdb8e0..34936d13ea 100644 --- a/doc/posix-functions/log10.texi +++ b/doc/posix-functions/log10.texi @@ -8,6 +8,9 @@ Gnulib module: log10 Portability problems fixed by Gnulib: @itemize +@item +This function returns a wrong value for a minus zero argument on some platforms: +OSF/1 5.1. @end itemize Portability problems not fixed by Gnulib: |