FP_EX_OVERFLOW
#define FP_EX_OVERFLOW IEEE_TRAP_ENABLE_OVF
#define FP_EX_OVERFLOW (1 << 17)
#define FP_EX_OVERFLOW (1 << (31 - 3))
#define FP_EX_OVERFLOW (1<<2)
#define FP_EX_OVERFLOW (1 << 3)
#define FP_EX_OVERFLOW (1 << 3)
#define FP_EX_OVERFLOW 0