diff options
Diffstat (limited to 'lib/libc/arch/mips64/gen/isinfl.c')
-rw-r--r-- | lib/libc/arch/mips64/gen/isinfl.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/lib/libc/arch/mips64/gen/isinfl.c b/lib/libc/arch/mips64/gen/isinfl.c new file mode 100644 index 00000000000..c529a91cd2f --- /dev/null +++ b/lib/libc/arch/mips64/gen/isinfl.c @@ -0,0 +1,29 @@ +/* $OpenBSD: isinfl.c,v 1.1 2008/09/07 20:36:07 martynas Exp $ */ +/* + * Copyright (c) 2008 Martynas Venckus <martynas@openbsd.org> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <sys/types.h> +#include <machine/ieee.h> + +int +__isinfl(long double e) +{ + struct ieee_ext *p = (struct ieee_ext *)&e; + + return (p->ext_exp == EXT_EXP_INFNAN && + p->ext_frach == 0 && p->ext_frachm == 0 && + p->ext_fraclm == 0 && p->ext_fracl == 0); +} |