Get the states of the specified floating-point status flags
Synopsis:
#include <fenv.h>
int fegetexceptflag( fexcept_t *flagp,
int excepts );
Arguments:
- flagp
- A pointer to a fexcept_t object where the function can store the state information.
- excepts
- A bitwise OR of the flags whose states you want to get; zero or more of the following:
- FE_ALL_EXCEPT — all the bits
- FE_DENORMAL — the result of a floating-point expression is a denormalized number
- FE_DIVBYZERO — pole error
- FE_INEXACT — the result can't be exactly represented as a floating-point number
- FE_INVALID — domain error
- FE_OVERFLOW — result is too large to be representable
- FE_UNDERFLOW — result is subnormal with a loss of precision
Library:
libm
Use the -l m option to
qcc
to link against this library.
Description:
The fegetexceptflag() function attempts to store the states of
the specified floating-point exceptions in the object pointed to by flagp.
The state isn't necessarily just a boolean value.
Classification:
C99,
POSIX 1003.1
| Safety: |
|
|---|
| Cancellation point |
No |
| Interrupt handler |
No |
| Signal handler |
No |
| Thread |
Yes |