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- /****************************************************************************
- *
- * $Source: /usr/local/cvsroot/gccsdk/unixlib/source/clib/fenv.h,v $
- * $Date: 2004/10/17 16:24:43 $
- * $Revision: 1.5 $
- * $State: Exp $
- * $Author: joty $
- *
- ***************************************************************************/
-
- #ifndef _FENV_H
- #define _FENV_H 1
-
- #ifndef __UNIXLIB_FEATURES_H
- #include <features.h>
- #endif
-
- #include <bits/fenv.h>
- #include <fpu_control.h>
-
- __BEGIN_DECLS
-
- /* Floating-point exception handling. */
-
- /* Clear the supported exceptions represented by EXCEPTS. */
- extern int feclearexcept (int __excepts) __THROW;
-
- /* Store implementation-defined representation of the exception flags
- indicated by EXCEPTS in the object pointed to by FLAGP. */
- extern void fegetexceptflag (fexcept_t *__flagp, int __excepts) __THROW;
-
- /* Raise the supported exceptions represented by EXCEPTS. */
- extern int feraiseexcept (int __excepts) __THROW;
-
- /* Set complete status for exceptions indicated by EXCEPTS according to
- the representation in the object pointed to by FLAGP. */
- extern int fesetexceptflag (const fexcept_t *__flagp, int __excepts)
- __THROW;
-
- /* Determine which of subset of the exceptions specified by EXCEPTS are
- currently set. */
- extern int fetestexcept (int __excepts) __THROW;
-
-
- /* Rounding control. */
-
- /* Get current rounding direction. */
- extern int fegetround (void) __THROW;
-
- /* Establish the rounding direction represented by ROUND. */
- extern int fesetround (int __rounding_direction) __THROW;
-
-
- /* Floating-point environment. */
-
- /* Store the current floating-point environment in the object pointed
- to by ENVP. */
- extern int fegetenv (fenv_t *__envp) __THROW;
-
- /* Save the current environment in the object pointed to by ENVP, clear
- exception flags and install a non-stop mode (if available) for all
- exceptions. */
- extern int feholdexcept (fenv_t *__envp) __THROW;
-
- /* Establish the floating-point environment represented by the object
- pointed to by ENVP. */
- extern int fesetenv (const fenv_t *__envp) __THROW;
-
- /* Save current exceptions in temporary storage, install environment
- represented by object pointed to by ENVP and raise exceptions
- according to saved exceptions. */
- extern void feupdateenv (const fenv_t *__envp) __THROW;
-
- __END_DECLS
-
- #endif
-