/* $OpenBSD: isfinite.c,v 1.8 2013/07/03 04:46:36 espie Exp $ */ /* * Copyright (c) 2008 Martynas Venckus * * 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 #include #include #include #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wmissing-prototypes" __asm__(".symver past__isfinite,__isfinite@DF306.0"); int past__isfinite(double d) { struct ieee_double *p = (struct ieee_double *)&d; return (p->dbl_exp != DBL_EXP_INFNAN); } __asm__(".symver past__isfinitef,__isfinitef@DF306.0"); int past__isfinitef(float f) { struct ieee_single *p = (struct ieee_single *)&f; return (p->sng_exp != SNG_EXP_INFNAN); } #pragma GCC diagnostic pop