1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2004 David Schultz <das@FreeBSD.ORG> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #define _DEFAULT_SOURCE 32 #define __fenv_static 33 #include <fenv.h> 34 #ifdef __mips_soft_float 35 #include <machine/fenv-softfloat.h> 36 #else 37 #include <machine/fenv-fp.h> 38 #endif 39 40 41 #ifdef __GNUC_GNU_INLINE__ 42 #error "This file must be compiled with C99 'inline' semantics" 43 #endif 44 45 /* 46 * Hopefully the system ID byte is immutable, so it's valid to use 47 * this as a default environment. 48 */ 49 50 extern inline int feclearexcept(int excepts); 51 extern inline int fegetexceptflag(fexcept_t *flagp, int excepts); 52 extern inline int fesetexceptflag(const fexcept_t *flagp, int excepts); 53 extern inline int feraiseexcept(int excepts); 54 extern inline int fetestexcept(int excepts); 55 extern inline int fegetround(void); 56 extern inline int fesetround(int rounding_mode); 57 extern inline int fegetenv(fenv_t *envp); 58 extern inline int feholdexcept(fenv_t *envp); 59 extern inline int fesetenv(const fenv_t *envp); 60 extern inline int feupdateenv(const fenv_t *envp); 61 extern inline int feenableexcept(int __mask); 62 extern inline int fedisableexcept(int __mask); 63 extern inline int fegetexcept(void); 64
