FEGETEXCEPTFLAG(3P)                                 POSIX Programmer's Manual                                FEGETEXCEPTFLAG(3P)



PROLOG
       This  manual  page is part of the POSIX Programmer's Manual.  The Linux implementation of this interface may differ (con-
       sult the corresponding Linux manual page for details of Linux behavior), or the  interface  may  not  be  implemented  on
       Linux.

NAME
       fegetexceptflag, fesetexceptflag - get and set floating-point status flags

SYNOPSIS
       #include <fenv.h>

       int fegetexceptflag(fexcept_t *flagp, int excepts);
       int fesetexceptflag(const fexcept_t *flagp, int excepts);


DESCRIPTION
       The  fegetexceptflag()  function  shall  attempt  to  store an implementation-defined representation of the states of the
       floating-point status flags indicated by the argument excepts in the object pointed to by the argument flagp.

       The fesetexceptflag() function shall attempt to set the floating-point status flags indicated by the argument excepts  to
       the  states  stored  in  the object pointed to by flagp.  The value pointed to by flagp shall have been set by a previous
       call to fegetexceptflag() whose second argument represented at least those floating-point exceptions represented  by  the
       argument excepts. This function does not raise floating-point exceptions, but only sets the state of the flags.

RETURN VALUE
       If the representation was successfully stored, fegetexceptflag() shall return zero. Otherwise, it shall return a non-zero
       value. If the excepts argument is zero or if all the specified exceptions were successfully set, fesetexceptflag()  shall
       return zero. Otherwise, it shall return a non-zero value.

ERRORS
       No errors are defined.

       The following sections are informative.

EXAMPLES
       None.

APPLICATION USAGE
       None.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       feclearexcept(), feraiseexcept(), fetestexcept(), the Base Definitions volume of IEEE Std 1003.1-2001, <fenv.h>

COPYRIGHT
       Portions  of  this  text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003 Edition, Standard for
       Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 6,  Copy-
       right (C) 2001-2003 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. In the event of any
       discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open  Group
       Standard   is   the   referee   document.   The   original   Standard   can   be   obtained  online  at  http://www.open-
       group.org/unix/online.html .



IEEE/The Open Group                                           2003                                           FEGETEXCEPTFLAG(3P)