2 * Copyright (c) 2004 David Schultz <das@FreeBSD.ORG>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
32 #ifdef __GNUC_GNU_INLINE__
33 #error "This file must be compiled with C99 'inline' semantics"
37 * Hopefully the system ID byte is immutable, so it's valid to use
38 * this as a default environment.
40 const fenv_t __fe_dfl_env = 0;
43 #define __set_env(env, flags, mask, rnd) env = ((flags) | (rnd) << 5)
44 #define __env_flags(env) ((env) & FE_ALL_EXCEPT)
45 #define __env_mask(env) (0) /* No exception traps. */
46 #define __env_round(env) (((env) >> 5) & _ROUND_MASK)
47 #include "fenv-softfloat.h"
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 __round);
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);