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826cf481
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2012-04-01T17:10:01
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log10-ieee: Work around test failure on NetBSD 5.1 and Solaris 11.
* m4/log10-ieee.m4: New file.
* m4/log10.m4 (gl_FUNC_LOG10): If gl_FUNC_LOG10_IEEE is present, test
whether log10 works with a negative argument. Replace it if not.
* lib/log10.c (log10): For negative arguments, return NaN.
* modules/log10-ieee (Files): Add m4/log10-ieee.m4.
(configure.ac): Invoke gl_FUNC_LOG10_IEEE.
* doc/posix-functions/log10.texi: Mention the log10-ieee module.
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