1 1.3 christos /* $NetBSD: fenv.c,v 1.3 2019/10/26 17:57:20 christos Exp $ */ 2 1.1 christos 3 1.1 christos /*- 4 1.1 christos * Copyright (c) 2015 The NetBSD Foundation, Inc. 5 1.1 christos * All rights reserved. 6 1.1 christos * 7 1.1 christos * This code is derived from software contributed to The NetBSD Foundation 8 1.1 christos * by Christos Zoulas. 9 1.1 christos * 10 1.1 christos * Redistribution and use in source and binary forms, with or without 11 1.1 christos * modification, are permitted provided that the following conditions 12 1.1 christos * are met: 13 1.1 christos * 1. Redistributions of source code must retain the above copyright 14 1.1 christos * notice, this list of conditions and the following disclaimer. 15 1.1 christos * 2. Redistributions in binary form must reproduce the above copyright 16 1.1 christos * notice, this list of conditions and the following disclaimer in the 17 1.1 christos * documentation and/or other materials provided with the distribution. 18 1.1 christos * 19 1.1 christos * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.1 christos * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.1 christos * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.1 christos * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.1 christos * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.1 christos * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.1 christos * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.1 christos * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.1 christos * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.1 christos * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.1 christos * POSSIBILITY OF SUCH DAMAGE. 30 1.1 christos */ 31 1.1 christos #include <sys/cdefs.h> 32 1.3 christos __RCSID("$NetBSD: fenv.c,v 1.3 2019/10/26 17:57:20 christos Exp $"); 33 1.2 chs 34 1.2 chs #include "namespace.h" 35 1.1 christos 36 1.1 christos #define __fenv_static 37 1.2 chs #include <fenv.h> 38 1.2 chs 39 1.2 chs #ifdef __weak_alias 40 1.2 chs __weak_alias(feclearexcept,_feclearexcept) 41 1.2 chs __weak_alias(fegetenv,_fegetenv) 42 1.2 chs __weak_alias(fegetexceptflag,_fegetexceptflag) 43 1.2 chs __weak_alias(fegetround,_fegetround) 44 1.2 chs __weak_alias(feholdexcept,_feholdexcept) 45 1.2 chs __weak_alias(feraiseexcept,_feraiseexcept) 46 1.2 chs __weak_alias(fesetenv,_fesetenv) 47 1.2 chs __weak_alias(fesetexceptflag,_fesetexceptflag) 48 1.2 chs __weak_alias(fesetround,_fesetround) 49 1.2 chs __weak_alias(fetestexcept,_fetestexcept) 50 1.2 chs __weak_alias(feupdateenv,_feupdateenv) 51 1.3 christos 52 1.3 christos __weak_alias(fedisableexcept,_fedisableexcept) 53 1.3 christos __weak_alias(feenableexcept,_feenableexcept) 54 1.3 christos __weak_alias(fegetexcept,_fegetexcept) 55 1.2 chs #endif 56 1.1 christos 57 1.1 christos #if defined(__GNUC_GNU_INLINE__) && !defined(__lint__) 58 1.1 christos #error "This file must be compiled with C99 'inline' semantics" 59 1.1 christos #endif 60 1.1 christos 61 1.1 christos extern inline int feclearexcept(int __excepts); 62 1.1 christos extern inline int fegetexceptflag(fexcept_t *__flagp, int __excepts); 63 1.1 christos extern inline int fesetexceptflag(const fexcept_t *__flagp, int __excepts); 64 1.1 christos extern inline int feraiseexcept(int __excepts); 65 1.1 christos extern inline int fetestexcept(int __excepts); 66 1.1 christos extern inline int fegetround(void); 67 1.1 christos extern inline int fesetround(int __round); 68 1.1 christos extern inline int fegetenv(fenv_t *__envp); 69 1.1 christos extern inline int feholdexcept(fenv_t *__envp); 70 1.1 christos extern inline int fesetenv(const fenv_t *__envp); 71 1.1 christos extern inline int feupdateenv(const fenv_t *__envp); 72 1.3 christos 73 1.2 chs extern inline int feenableexcept(int __excepts); 74 1.2 chs extern inline int fedisableexcept(int __excepts); 75 1.2 chs extern inline int fegetexcept(void); 76