1 /* $OpenBSD: isnormall.c,v 1.2 2008/12/09 19:52:33 martynas Exp $ */ 2 /* 3 * Copyright (c) 2008 Martynas Venckus <martynas@openbsd.org> 4 * 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. 8 * 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. 16 */ 17 18 #include <sys/types.h> 19 #include <machine/ieee.h> 20 #include <math.h> 21 22 #pragma GCC diagnostic push 23 #pragma GCC diagnostic ignored "-Wmissing-prototypes" 24 25 __asm__(".symver past__isnormall,__isnormall@DF306.0"); 26 int 27 past__isnormall(long double e) 28 { 29 struct ieee_ext *p = (struct ieee_ext *)&e; 30 31 return (p->ext_exp != 0 && p->ext_exp != EXT_EXP_INFNAN); 32 } 33 34 #pragma GCC diagnostic pop 35