view modules/ilogb @ 39946:d7d58557ca8b

Mention changed minimum requirements for Automake and Autoconf. * NEWS: Mention the new minimum requirements.
author Bruno Haible <bruno@clisp.org>
date Tue, 23 Oct 2018 01:08:10 +0200
parents 1f14c6dd175d
children
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Description:
ilogb() function: get exponent as integer.

Files:
lib/ilogb.c
m4/ilogb.m4
m4/mathfunc.m4

Depends-on:
math
isfinite        [test $HAVE_ILOGB = 0 || test $REPLACE_ILOGB = 1]
frexp           [test $HAVE_ILOGB = 0 || test $REPLACE_ILOGB = 1]
isnand          [test $HAVE_ILOGB = 0 || test $REPLACE_ILOGB = 1]

configure.ac:
gl_FUNC_ILOGB
if test $HAVE_ILOGB = 0 || test $REPLACE_ILOGB = 1; then
  AC_LIBOBJ([ilogb])
fi
gl_MATH_MODULE_INDICATOR([ilogb])

Makefile.am:

Include:
<math.h>

Link:
$(ILOGB_LIBM)

License:
LGPL

Maintainer:
all