log1pf-ieee: Work around test failure on OpenBSD 4.9 and AIX 7.1.
authorBruno Haible <bruno@clisp.org>
Sun, 11 Mar 2012 01:06:49 +0000 (02:06 +0100)
committerBruno Haible <bruno@clisp.org>
Sun, 11 Mar 2012 01:40:45 +0000 (02:40 +0100)
commitef3f971ddf9b91cc6ea3af6e46532ea6b804b9ce
tree0bf3ba84779cf462bf5ec3d875079c2f2abab859
parent15cacff7683e69b579e99a1d0238bf4adcc6a9e5
log1pf-ieee: Work around test failure on OpenBSD 4.9 and AIX 7.1.

* m4/log1pf-ieee.m4: New file.
* m4/log1pf.m4 (gl_FUNC_LOG1PF): If gl_FUNC_LOG1PF_IEEE is present,
test whether log1pf works with a minus zero argument. Replace it if
not.
* modules/log1pf-ieee (Files): Add m4/log1pf-ieee.m4, m4/minus-zero.m4,
m4/signbit.m4.
(configure.ac): Invoke gl_FUNC_LOG1PF_IEEE.
* doc/posix-functions/log1pf.texi: Mention the log1pf-ieee module.
ChangeLog
doc/posix-functions/log1pf.texi
m4/log1pf-ieee.m4 [new file with mode: 0644]
m4/log1pf.m4
modules/log1pf-ieee