include/fenv.h

   1 /*      $OpenBSD: fenv.h,v 1.2 2011/05/25 21:46:49 martynas Exp $       */
   2 /*      $NetBSD: fenv.h,v 1.2.4.1 2011/02/08 16:18:55 bouyer Exp $      */
   3
   4 /*
   5  * Copyright (c) 2010 The NetBSD Foundation, Inc.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  20  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  21  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  25  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  27  * POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #ifndef _FENV_H_
  31 #define _FENV_H_
  32
  33 #include <sys/cdefs.h>
  34 #include <machine/fenv.h>
  35
  36 __BEGIN_DECLS
  37
  38 int     feclearexcept(int);
  39 int     fegetexceptflag(fexcept_t *, int);
  40 int     feraiseexcept(int);
  41 int     fesetexceptflag(const fexcept_t *, int);
  42 int     fetestexcept(int);
  43
  44 int     fegetround(void);
  45 int     fesetround(int);
  46
  47 int     fegetenv(fenv_t *);
  48 int     feholdexcept(fenv_t *);
  49 int     fesetenv(const fenv_t *);
  50 int     feupdateenv(const fenv_t *);
  51
  52 #if     __BSD_VISIBLE
  53 int     feenableexcept(int);
  54 int     fedisableexcept(int);
  55 int     fegetexcept(void);
  56 #endif  /* __BSD_VISIBLE */
  57
  58 __END_DECLS
  59
  60 #endif  /* ! _FENV_H_ */