feraiseexcept

From cppreference.com
< c‎ | numeric‎ | fenv
Defined in header <fenv.h>
int feraiseexcept( int excepts );
(since C99)

Attempts to raise all floating point exceptions listed in excepts (a bitwise OR of the floating point exception macros). If one of the exceptions is FE_OVERFLOW or FE_UNDERFLOW, this function may additionally raise FE_INEXACT. The order in which the exceptions are raised is unspecified, except that FE_OVERFLOW and FE_UNDERFLOW are always raised before FE_INEXACT.

Parameters

excepts - bitmask listing the exception flags to raise

Return value

0 if all listed exceptions were raised, non-zero value otherwise.