compiler/clib/include/fenv.h

   1 /*
   2     Copyright © 2007, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     C99 floating-point environment
   6 */
   7
   8 /* Use architecture-specific implementation if available */
   9 #if defined __i386__
  10 #   include <aros/i386/fenv.h>
  11 #elif defined __x86_64__
  12 #   include <aros/x86_64/fenv.h>
  13 #elif defined __powerpc__
  14 #   include <aros/ppc/fenv.h>
  15
  16 /* otherwise just use the stub implementation */
  17 #elif !defined _FENV_H_
  18 #define _FENV_H_
  19
  20 #include <sys/cdefs.h>
  21 #include <sys/_types.h>
  22
  23 typedef __uint32_t      fenv_t;
  24 typedef __uint32_t      fexcept_t;
  25
  26 #define FE_ALL_EXCEPT   0
  27
  28 __BEGIN_DECLS
  29
  30 extern const fenv_t     __fe_dfl_env;
  31 #define FE_DFL_ENV      (&__fe_dfl_env)
  32
  33 int feclearexcept(int excepts);
  34 int fegetexceptflag(fexcept_t *flagp, int excepts);
  35 int fesetexceptflag(const fexcept_t *flagp, int excepts);
  36 int feraiseexcept(int excepts);
  37 int fetestexcept(int excepts);
  38 int fegetround(void);
  39 int fesetround(int round);
  40 int fegetenv(fenv_t *envp);
  41 int feholdexcept(fenv_t *envp);
  42 int fesetenv(const fenv_t *envp);
  43 int feupdateenv(const fenv_t *envp);
  44
  45 #if __BSD_VISIBLE
  46 int feenableexcept(int mask);
  47 int fedisableexcept(int mask);
  48 int fegetexcept(void);
  49 #endif
  50
  51 __END_DECLS
  52
  53 #endif