fenv.c revision 331722 
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 * $FreeBSD: stable/11/lib/msun/sparc64/fenv.c 331722 2018-03-29 02:50:57Z eadler $
27 */
28
29#define	__fenv_static
30#include "fenv.h"
31
32#ifdef __GNUC_GNU_INLINE__
33#error "This file must be compiled with C99 'inline' semantics"
34#endif
35
36/*
37 * The FSR_version field may be different on different
38 * implementations, but it is immutable and opaque to the
39 * application.  Thus, 0 is valid as the default environment.
40 */
41const fenv_t __fe_dfl_env = 0;
42
43extern inline int feclearexcept(int __excepts);
44extern inline int fegetexceptflag(fexcept_t *__flagp, int __excepts);
45extern inline int fesetexceptflag(const fexcept_t *__flagp, int __excepts);
46extern inline int feraiseexcept(int __excepts);
47extern inline int fetestexcept(int __excepts);
48extern inline int fegetround(void);
49extern inline int fesetround(int __round);
50extern inline int fegetenv(fenv_t *__envp);
51extern inline int feholdexcept(fenv_t *__envp);
52extern inline int fesetenv(const fenv_t *__envp);
53extern inline int feupdateenv(const fenv_t *__envp);
54