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New module 'logbf'. * lib/math.in.h (logbf): New declaration. * lib/logbf.c: New file. * m4/logbf.m4: New file. * m4/math_h.m4 (gl_MATH_H): Test whether logbf is declared. (gl_MATH_H_DEFAULTS): Initialize GNULIB_LOGBF, HAVE_LOGBF, REPLACE_LOGBF. * modules/math (Makefile.am): Substitute GNULIB_LOGBF, HAVE_LOGBF, REPLACE_LOGBF. * modules/logbf: New file. * tests/test-math-c++.cc: Check the declaration of logbf. * doc/posix-functions/logbf.texi: Mention the new module.
author Bruno Haible <bruno@clisp.org>
date Tue, 03 Apr 2012 04:44:59 +0200
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Description:
logbf() function: get exponent.

Files:
lib/logbf.c
lib/logb.c
m4/logbf.m4
m4/mathfunc.m4

Depends-on:
math
extensions
isfinite        [test $HAVE_LOGBF = 0 || test $REPLACE_LOGBF = 1]
frexpf          [test $HAVE_LOGBF = 0 || test $REPLACE_LOGBF = 1]
isnanf          [test $HAVE_LOGBF = 0 || test $REPLACE_LOGBF = 1]

configure.ac:
gl_FUNC_LOGBF
if test $HAVE_LOGBF = 0 || test $REPLACE_LOGBF = 1; then
  AC_LIBOBJ([logbf])
fi
gl_MATH_MODULE_INDICATOR([logbf])

Makefile.am:

Include:
<math.h>

Link:
$(LOGBF_LIBM)

License:
LGPL

Maintainer:
Bruno Haible