Depend on module fcntl-h when AT_FDCWD is used. * modules/utimens (Depends-on): Add fcntl-h. * modules/areadlinkat (Depends-on): Likewise. * modules/areadlinkat-with-size (Depends-on): Likewise. * modules/faccessat (Depends-on): Likewise. * modules/fchmodat (Depends-on): Likewise. * modules/fchownat (Depends-on): Likewise. * modules/getcwd (Depends-on): Likewise. * modules/mkdirat (Depends-on): Likewise. * modules/mkfifoat (Depends-on): Likewise. * modules/readlinkat (Depends-on): Likewise. * modules/symlinkat (Depends-on): Likewise. * modules/dup2-tests (Depends-on): Likewise. * modules/fdutimensat-tests (Depends-on): Likewise. * modules/futimens-tests (Depends-on): Likewise.

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