New module 'expm1-ieee'.

[gnulib.git] / ChangeLog

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 2012-03-06  Bruno Haible  <bruno@clisp.org>
 
+       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.
+
+2012-03-06  Bruno Haible  <bruno@clisp.org>
+
        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.