The Open Group Base Specifications Issue 7, 2018 edition
IEEE Std 1003.1-2017 (Revision of IEEE Std 1003.1-2008)
Copyright © 2001-2018 IEEE and The Open GroupA newer edition of this document exists here
NAME
feclearexcept - clear floating-point exception
SYNOPSIS
#include <fenv.h>
int feclearexcept(int excepts);
DESCRIPTION
[CX] ![[Option Start]](../images/opt-start.gif)
The functionality described on this reference page is aligned with the ISO C standard. Any conflict between the
requirements described here and the ISO C standard is unintentional. This volume of POSIX.1-2017 defers to the ISO C
standard.
![[Option End]](../images/opt-end.gif)
The feclearexcept() function shall attempt to clear the supported floating-point exceptions represented by
excepts.
RETURN VALUE
If the argument is zero or if all the specified exceptions were successfully cleared, feclearexcept() 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
fegetexceptflag, feraiseexcept, fetestexcept
XBD <fenv.h>
CHANGE HISTORY
First released in Issue 6. Derived from the ISO/IEC 9899:1999 standard.
ISO/IEC 9899:1999 standard, Technical Corrigendum 1 is incorporated.
End of informative text.
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