1 /*
2   (C) Copyright 2006, 2007
3   International Business Machines Corporation,
4   Sony Computer Entertainment, Incorporated,
5   Toshiba Corporation,
6 
7   All rights reserved.
8 
9   Redistribution and use in source and binary forms, with or without
10   modification, are permitted provided that the following conditions are met:
11 
12     * Redistributions of source code must retain the above copyright notice,
13   this list of conditions and the following disclaimer.
14     * Redistributions in binary form must reproduce the above copyright
15   notice, this list of conditions and the following disclaimer in the
16   documentation and/or other materials provided with the distribution.
17     * Neither the names of the copyright holders nor the names of their
18   contributors may be used to endorse or promote products derived from this
19   software without specific prior written permission.
20 
21   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
25   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31   POSSIBILITY OF SUCH DAMAGE.
32 */
33 
34 #ifndef _FENV_H
35 #define _FENV_H
36 
37 #include <sys/fenv.h>
38 
39 #ifdef __cplusplus
40 extern "C" {
41 #endif
42 
43 /* Exception */
44 void feclearexcept(int excepts);
45 void fegetexceptflag(fexcept_t *flagp, int excepts);
46 void feraiseexcept(int excepts);
47 void fesetexceptflag(const fexcept_t *flagp, int excepts);
48 int fetestexcept(int excepts);
49 
50 /* Rounding mode */
51 int fegetround(void);
52 int fesetround(int rounding_mode);
53 
54 /* Float environment */
55 void fegetenv(fenv_t *envp);
56 int feholdexcept(fenv_t *envp);
57 void fesetenv(const fenv_t *envp);
58 void feupdateenv(const fenv_t *envp);
59 
60 #ifdef __cplusplus
61 }
62 #endif
63 
64 #endif
65