FE_OVERFLOW
#define FE_OVERFLOW 0x0004
#define FE_OVERFLOW 0x00000004
#define FE_OVERFLOW 64
#define FE_OVERFLOW 0x10000000
#define FE_OVERFLOW 0x0004
#define FE_OVERFLOW 0x00000100
#define FE_OVERFLOW 0x08
#define FE_OVERFLOW 0x08