feraiseexcept
You can use the feraiseexcept function to raise one or more floating-point exceptions.
void feraiseexcept (int excepts);
excepts
- A mask indicating which floating-point exception flags should be set.
DESCRIPTION
The feraiseexcept function sets the floating-point exception flags specified by its argument. The argument may be one of the constants in Table 8-2 on page 8-6, two or more of these constants ORed together, or the constant FE_ALL_EXCEPT.
EXAMPLES
feraiseexcept(FE_OVERFLOW); /* sets the overflow flag */
feraiseexcept(FE_INEXACT|FE_UNDERFLOW);
/* sets the inexact and underflow flags */
feraiseexcept(FE_ALL_EXCEPT); /* sets all flags */