fenv.c revision 1.3 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
61 extern inline int feclearexcept(int __excepts);
62 extern inline int fegetexceptflag(fexcept_t *__flagp, int __excepts);
63 extern inline int fesetexceptflag(const fexcept_t *__flagp, int __excepts);
64 extern inline int feraiseexcept(int __excepts);
65 extern inline int fetestexcept(int __excepts);
66 extern inline int fegetround(void);
67 extern inline int fesetround(int __round);
68 extern inline int fegetenv(fenv_t *__envp);
69 extern inline int feholdexcept(fenv_t *__envp);
70 extern inline int fesetenv(const fenv_t *__envp);
71 extern inline int feupdateenv(const fenv_t *__envp);
72
73 extern inline int feenableexcept(int __excepts);
74 extern inline int fedisableexcept(int __excepts);
75 extern inline int fegetexcept(void);
76