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New module 'expm1-ieee'. * modules/expm1-ieee: New file. * m4/expm1-ieee.m4: New file. * m4/expm1.m4 (gl_FUNC_EXPM1): If gl_FUNC_EXPM1_IEEE is present, test whether expm1 works with a minus zero argument. Replace it if not. * lib/math.in.h (expm1): Override if REPLACE_EXPM1 is 1. * m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize REPLACE_EXPM1. * modules/math (Makefile.am): Substitute REPLACE_EXPM1. * modules/expm1 (configure.ac): Consider REPLACE_EXPM1. (Depends-on): Update conditions. * doc/posix-functions/expm1.texi: Mention the expm1-ieee module and the AIX problem.
author Bruno Haible <bruno@clisp.org>
date Wed, 07 Mar 2012 00:38:50 +0100
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Description:
expm1() function according to ISO C 99 with IEC 60559.

Files:
m4/expm1-ieee.m4
m4/minus-zero.m4
m4/signbit.m4

Depends-on:
expm1
fpieee

configure.ac:
gl_FUNC_EXPM1_IEEE

Makefile.am:

Include:
<math.h>

Link:
$(EXPM1_LIBM)

License:
LGPL

Maintainer:
Bruno Haible