1 /*- 2 * Copyright (c) 2004 David Schultz <das@FreeBSD.ORG> 3 * Copyright (c) 2013 Andrew Turner <andrew@FreeBSD.ORG> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD$ 28 */ 29 30 #define __fenv_static 31 #include "fenv.h" 32 33 /* 34 * Hopefully the system ID byte is immutable, so it's valid to use 35 * this as a default environment. 36 */ 37 const fenv_t __fe_dfl_env = 0; 38 39 #ifdef __GNUC_GNU_INLINE__ 40 #error "This file must be compiled with C99 'inline' semantics" 41 #endif 42 43 extern inline int feclearexcept(int __excepts); 44 extern inline int fegetexceptflag(fexcept_t *__flagp, int __excepts); 45 extern inline int fesetexceptflag(const fexcept_t *__flagp, int __excepts); 46 extern inline int feraiseexcept(int __excepts); 47 extern inline int fetestexcept(int __excepts); 48 extern inline int fegetround(void); 49 extern inline int fesetround(int __round); 50 extern inline int fegetenv(fenv_t *__envp); 51 extern inline int feholdexcept(fenv_t *__envp); 52 extern inline int fesetenv(const fenv_t *__envp); 53 extern inline int feupdateenv(const fenv_t *__envp); 54 extern inline int feenableexcept(int __mask); 55 extern inline int fedisableexcept(int __mask); 56 extern inline int fegetexcept(void); 57