1 /* $OpenBSD: isfinite.c,v 1.8 2013/07/03 04:46:36 espie Exp $ */
3 * Copyright (c) 2008 Martynas Venckus <martynas@openbsd.org>
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 #include <sys/types.h>
19 #include <machine/ieee.h>
26 struct ieee_double
*p
= (struct ieee_double
*)&d
;
28 return (p
->dbl_exp
!= DBL_EXP_INFNAN
);
34 struct ieee_single
*p
= (struct ieee_single
*)&f
;
36 return (p
->sng_exp
!= SNG_EXP_INFNAN
);
39 __strong_reference(__isfinite
, finite
);
40 __strong_reference(__isfinitef
, finitef
);