/* $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_ */