| /* $OpenBSD: fenv.h,v 1.2 2011/05/25 21:46:49 martynas Exp $ */ | |
| /* $NetBSD: fenv.h,v 1.2.4.1 2011/02/08 16:18:55 bouyer Exp $ */ | |
| /* | |
| * Copyright (c) 2010 The NetBSD Foundation, Inc. | |
| * All rights reserved. | |
| * | |
| * Redistribution and use in source and binary forms, with or without | |
| * modification, are permitted provided that the following conditions | |
| * are met: | |
| * 1. Redistributions of source code must retain the above copyright | |
| * notice, this list of conditions and the following disclaimer. | |
| * 2. Redistributions in binary form must reproduce the above copyright | |
| * notice, this list of conditions and the following disclaimer in the | |
| * documentation and/or other materials provided with the distribution. | |
| * | |
| * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS | |
| * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED | |
| * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS | |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| * POSSIBILITY OF SUCH DAMAGE. | |
| */ | |
| #ifndef _FENV_H_ | |
| #define _FENV_H_ | |
| #include <sys/cdefs.h> | |
| #include <machine/fenv.h> | |
| __BEGIN_DECLS | |
| #pragma GCC visibility push(default) | |
| int feclearexcept(int); | |
| int fegetexceptflag(fexcept_t *, int); | |
| int feraiseexcept(int); | |
| int fesetexceptflag(const fexcept_t *, int); | |
| int fetestexcept(int); | |
| int fegetround(void); | |
| int fesetround(int); | |
| int fegetenv(fenv_t *); | |
| int feholdexcept(fenv_t *); | |
| int fesetenv(const fenv_t *); | |
| int feupdateenv(const fenv_t *); | |
| int feenableexcept(int); | |
| int fedisableexcept(int); | |
| int fegetexcept(void); | |
| /* | |
| * The following constant represents the default floating-point environment | |
| * (that is, the one installed at program startup) and has type pointer to | |
| * const-qualified fenv_t. | |
| * | |
| * It can be used as an argument to the functions that manage the floating-point | |
| * environment, namely fesetenv() and feupdateenv(). | |
| */ | |
| extern const fenv_t __fe_dfl_env; | |
| #define FE_DFL_ENV (&__fe_dfl_env) | |
| #pragma GCC visibility pop | |
| __END_DECLS | |
| #endif /* ! _FENV_H_ */ |