view modules/isnand @ 17364:7524d97ae56f

stdalign: port to stricter ISO C11 ISO C11 says that _Alignof's operand must be a parenthesized type. Problem reported by Eli Zaretskii in <http://lists.gnu.org/archive/html/emacs-devel/2013-03/msg00960.html>. * doc/posix-headers/stdalign.texi (stdalign.h): Document this. * m4/stdalign.m4 (gl_STDALIGN_H): Don't use _Alignof (expr).
author Paul Eggert <eggert@cs.ucla.edu>
date Fri, 29 Mar 2013 19:47:13 -0700
parents 369a2b1bfba1
children 1f14c6dd175d
line wrap: on
line source

Description:
isnand() function: test for NaN.

Files:
lib/isnand.c
lib/isnan.c
lib/float+.h
m4/exponentd.m4
m4/isnand.m4

Depends-on:
math
fpieee
memcmp

configure.ac:
gl_FUNC_ISNAND
m4_ifdef([gl_ISNAN], [
  AC_REQUIRE([gl_ISNAN])
])
if test $HAVE_ISNAND = 0 || test $REPLACE_ISNAN = 1; then
  AC_LIBOBJ([isnand])
  gl_PREREQ_ISNAND
fi
gl_MATH_MODULE_INDICATOR([isnand])

Makefile.am:

Include:
<math.h>

Link:
$(ISNAND_LIBM)

License:
LGPL

Maintainer:
Bruno Haible