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