xref: /freebsd/lib/msun/riscv/fenv.c (revision 312a05c39e5fd79b37ee6f922462232797f56a2a)
14bf1032aSRuslan Bukin /*-
24bf1032aSRuslan Bukin  * Copyright (c) 2004 David Schultz <das@FreeBSD.ORG>
34bf1032aSRuslan Bukin  * All rights reserved.
44bf1032aSRuslan Bukin  *
54bf1032aSRuslan Bukin  * Redistribution and use in source and binary forms, with or without
64bf1032aSRuslan Bukin  * modification, are permitted provided that the following conditions
74bf1032aSRuslan Bukin  * are met:
84bf1032aSRuslan Bukin  * 1. Redistributions of source code must retain the above copyright
94bf1032aSRuslan Bukin  *    notice, this list of conditions and the following disclaimer.
104bf1032aSRuslan Bukin  * 2. Redistributions in binary form must reproduce the above copyright
114bf1032aSRuslan Bukin  *    notice, this list of conditions and the following disclaimer in the
124bf1032aSRuslan Bukin  *    documentation and/or other materials provided with the distribution.
134bf1032aSRuslan Bukin  *
144bf1032aSRuslan Bukin  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
154bf1032aSRuslan Bukin  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
164bf1032aSRuslan Bukin  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
174bf1032aSRuslan Bukin  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
184bf1032aSRuslan Bukin  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
194bf1032aSRuslan Bukin  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
204bf1032aSRuslan Bukin  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
214bf1032aSRuslan Bukin  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
224bf1032aSRuslan Bukin  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
234bf1032aSRuslan Bukin  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
244bf1032aSRuslan Bukin  * SUCH DAMAGE.
254bf1032aSRuslan Bukin  */
264bf1032aSRuslan Bukin 
274bf1032aSRuslan Bukin #define	__fenv_static
284bf1032aSRuslan Bukin #include "fenv.h"
294bf1032aSRuslan Bukin 
304bf1032aSRuslan Bukin #ifdef __GNUC_GNU_INLINE__
314bf1032aSRuslan Bukin #error "This file must be compiled with C99 'inline' semantics"
324bf1032aSRuslan Bukin #endif
334bf1032aSRuslan Bukin 
344bf1032aSRuslan Bukin /*
354bf1032aSRuslan Bukin  * Hopefully the system ID byte is immutable, so it's valid to use
364bf1032aSRuslan Bukin  * this as a default environment.
374bf1032aSRuslan Bukin  */
384bf1032aSRuslan Bukin const fenv_t __fe_dfl_env = 0;
394bf1032aSRuslan Bukin 
404bf1032aSRuslan Bukin extern inline int feclearexcept(int __excepts);
414bf1032aSRuslan Bukin extern inline int fegetexceptflag(fexcept_t *__flagp, int __excepts);
424bf1032aSRuslan Bukin extern inline int fesetexceptflag(const fexcept_t *__flagp, int __excepts);
434bf1032aSRuslan Bukin extern inline int feraiseexcept(int __excepts);
444bf1032aSRuslan Bukin extern inline int fetestexcept(int __excepts);
454bf1032aSRuslan Bukin extern inline int fegetround(void);
464bf1032aSRuslan Bukin extern inline int fesetround(int __round);
474bf1032aSRuslan Bukin extern inline int fegetenv(fenv_t *__envp);
484bf1032aSRuslan Bukin extern inline int feholdexcept(fenv_t *__envp);
494bf1032aSRuslan Bukin extern inline int fesetenv(const fenv_t *__envp);
504bf1032aSRuslan Bukin extern inline int feupdateenv(const fenv_t *__envp);
51*7804dd52SRuslan Bukin extern inline int feenableexcept(int __mask);
52*7804dd52SRuslan Bukin extern inline int fedisableexcept(int __mask);
53*7804dd52SRuslan Bukin extern inline int fegetexcept(void);
54