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 * $FreeBSD$
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 * Hopefully the system ID byte is immutable, so it's valid to use
38 * this as a default environment.
39 */
40const fenv_t __fe_dfl_env = 0;
41
42#ifdef __riscv_float_abi_soft
43#define __set_env(env, flags, mask, rnd) env = ((flags) | (rnd) << 5)
44#define __env_flags(env)                ((env) & FE_ALL_EXCEPT)
45#define __env_mask(env)                 (0) /* No exception traps. */
46#define __env_round(env)                (((env) >> 5) & _ROUND_MASK)
47#include "fenv-softfloat.h"
48#endif
49
50extern inline int feclearexcept(int __excepts);
51extern inline int fegetexceptflag(fexcept_t *__flagp, int __excepts);
52extern inline int fesetexceptflag(const fexcept_t *__flagp, int __excepts);
53extern inline int feraiseexcept(int __excepts);
54extern inline int fetestexcept(int __excepts);
55extern inline int fegetround(void);
56extern inline int fesetround(int __round);
57extern inline int fegetenv(fenv_t *__envp);
58extern inline int feholdexcept(fenv_t *__envp);
59extern inline int fesetenv(const fenv_t *__envp);
60extern inline int feupdateenv(const fenv_t *__envp);
61extern inline int feenableexcept(int __mask);
62extern inline int fedisableexcept(int __mask);
63extern inline int fegetexcept(void);
64