From ffc2a288efdfed4e78e17086a9c63198c7dc9828 Mon Sep 17 00:00:00 2001 From: Bruno Haible Date: Thu, 22 Mar 2007 02:00:46 +0000 Subject: [PATCH] Move to here from isnanl.h. --- lib/isnanl-nolibm.h | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 lib/isnanl-nolibm.h diff --git a/lib/isnanl-nolibm.h b/lib/isnanl-nolibm.h new file mode 100644 index 0000000000..1eac3c65f5 --- /dev/null +++ b/lib/isnanl-nolibm.h @@ -0,0 +1,30 @@ +/* Test for NaN that does not need libm. + Copyright (C) 2007 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along + with this program; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +#if HAVE_ISNANL_IN_LIBC +/* Get declaration of isnan macro or (older) isnanl function. */ +# include +# ifdef isnan +# undef isnanl +# define isnanl(x) isnan ((long double)(x)) +# endif +#else +/* Test whether X is a NaN. */ +# undef isnanl +# define isnanl rpl_isnanl +extern int isnanl (long double x); +#endif -- 2.30.2