1/*	$NetBSD: fenv.c,v 1.3 2019/10/26 17:57:20 christos Exp $	*/
2
3/*-
4 * Copyright (c) 2015 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christos Zoulas.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31#include <sys/cdefs.h>
32__RCSID("$NetBSD: fenv.c,v 1.3 2019/10/26 17:57:20 christos Exp $");
33
34#include "namespace.h"
35
36#define	__fenv_static
37#include <fenv.h>
38
39#ifdef __weak_alias
40__weak_alias(feclearexcept,_feclearexcept)
41__weak_alias(fegetenv,_fegetenv)
42__weak_alias(fegetexceptflag,_fegetexceptflag)
43__weak_alias(fegetround,_fegetround)
44__weak_alias(feholdexcept,_feholdexcept)
45__weak_alias(feraiseexcept,_feraiseexcept)
46__weak_alias(fesetenv,_fesetenv)
47__weak_alias(fesetexceptflag,_fesetexceptflag)
48__weak_alias(fesetround,_fesetround)
49__weak_alias(fetestexcept,_fetestexcept)
50__weak_alias(feupdateenv,_feupdateenv)
51
52__weak_alias(fedisableexcept,_fedisableexcept)
53__weak_alias(feenableexcept,_feenableexcept)
54__weak_alias(fegetexcept,_fegetexcept)
55#endif
56
57#if defined(__GNUC_GNU_INLINE__) && !defined(__lint__)
58#error "This file must be compiled with C99 'inline' semantics"
59#endif
60
61extern inline int feclearexcept(int __excepts);
62extern inline int fegetexceptflag(fexcept_t *__flagp, int __excepts);
63extern inline int fesetexceptflag(const fexcept_t *__flagp, int __excepts);
64extern inline int feraiseexcept(int __excepts);
65extern inline int fetestexcept(int __excepts);
66extern inline int fegetround(void);
67extern inline int fesetround(int __round);
68extern inline int fegetenv(fenv_t *__envp);
69extern inline int feholdexcept(fenv_t *__envp);
70extern inline int fesetenv(const fenv_t *__envp);
71extern inline int feupdateenv(const fenv_t *__envp);
72
73extern inline int feenableexcept(int __excepts);
74extern inline int fedisableexcept(int __excepts);
75extern inline int fegetexcept(void);
76