fenv.c revision 1.1.4.1 1 1.1.4.1 bouyer /* $NetBSD: fenv.c,v 1.1.4.1 2017/04/21 16:53:10 bouyer Exp $ */
2 1.1 christos
3 1.1 christos /*-
4 1.1 christos * Copyright (c) 2015 The NetBSD Foundation, Inc.
5 1.1 christos * All rights reserved.
6 1.1 christos *
7 1.1 christos * This code is derived from software contributed to The NetBSD Foundation
8 1.1 christos * by Christos Zoulas.
9 1.1 christos *
10 1.1 christos * Redistribution and use in source and binary forms, with or without
11 1.1 christos * modification, are permitted provided that the following conditions
12 1.1 christos * are met:
13 1.1 christos * 1. Redistributions of source code must retain the above copyright
14 1.1 christos * notice, this list of conditions and the following disclaimer.
15 1.1 christos * 2. Redistributions in binary form must reproduce the above copyright
16 1.1 christos * notice, this list of conditions and the following disclaimer in the
17 1.1 christos * documentation and/or other materials provided with the distribution.
18 1.1 christos *
19 1.1 christos * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 1.1 christos * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 1.1 christos * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 1.1 christos * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 1.1 christos * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 1.1 christos * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 1.1 christos * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 1.1 christos * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 1.1 christos * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 1.1 christos * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 1.1 christos * POSSIBILITY OF SUCH DAMAGE.
30 1.1 christos */
31 1.1 christos #include <sys/cdefs.h>
32 1.1.4.1 bouyer __RCSID("$NetBSD: fenv.c,v 1.1.4.1 2017/04/21 16:53:10 bouyer Exp $");
33 1.1.4.1 bouyer
34 1.1.4.1 bouyer #include "namespace.h"
35 1.1 christos
36 1.1 christos #define __fenv_static
37 1.1.4.1 bouyer #include <fenv.h>
38 1.1.4.1 bouyer
39 1.1.4.1 bouyer #ifdef __weak_alias
40 1.1.4.1 bouyer __weak_alias(feclearexcept,_feclearexcept)
41 1.1.4.1 bouyer __weak_alias(fedisableexcept,_fedisableexcept)
42 1.1.4.1 bouyer __weak_alias(feenableexcept,_feenableexcept)
43 1.1.4.1 bouyer __weak_alias(fegetenv,_fegetenv)
44 1.1.4.1 bouyer __weak_alias(fegetexcept,_fegetexcept)
45 1.1.4.1 bouyer __weak_alias(fegetexceptflag,_fegetexceptflag)
46 1.1.4.1 bouyer __weak_alias(fegetround,_fegetround)
47 1.1.4.1 bouyer __weak_alias(feholdexcept,_feholdexcept)
48 1.1.4.1 bouyer __weak_alias(feraiseexcept,_feraiseexcept)
49 1.1.4.1 bouyer __weak_alias(fesetenv,_fesetenv)
50 1.1.4.1 bouyer __weak_alias(fesetexceptflag,_fesetexceptflag)
51 1.1.4.1 bouyer __weak_alias(fesetround,_fesetround)
52 1.1.4.1 bouyer __weak_alias(fetestexcept,_fetestexcept)
53 1.1.4.1 bouyer __weak_alias(feupdateenv,_feupdateenv)
54 1.1.4.1 bouyer #endif
55 1.1 christos
56 1.1 christos #if defined(__GNUC_GNU_INLINE__) && !defined(__lint__)
57 1.1 christos #error "This file must be compiled with C99 'inline' semantics"
58 1.1 christos #endif
59 1.1 christos
60 1.1 christos extern inline int feclearexcept(int __excepts);
61 1.1 christos extern inline int fegetexceptflag(fexcept_t *__flagp, int __excepts);
62 1.1 christos extern inline int fesetexceptflag(const fexcept_t *__flagp, int __excepts);
63 1.1 christos extern inline int feraiseexcept(int __excepts);
64 1.1 christos extern inline int fetestexcept(int __excepts);
65 1.1 christos extern inline int fegetround(void);
66 1.1 christos extern inline int fesetround(int __round);
67 1.1 christos extern inline int fegetenv(fenv_t *__envp);
68 1.1 christos extern inline int feholdexcept(fenv_t *__envp);
69 1.1 christos extern inline int fesetenv(const fenv_t *__envp);
70 1.1 christos extern inline int feupdateenv(const fenv_t *__envp);
71 1.1.4.1 bouyer extern inline int feenableexcept(int __excepts);
72 1.1.4.1 bouyer extern inline int fedisableexcept(int __excepts);
73 1.1.4.1 bouyer extern inline int fegetexcept(void);
74