IEEE_TRAP_ENABLE_INV
#define FP_EX_INVALID IEEE_TRAP_ENABLE_INV
sw |= (~fp >> 48) & (IEEE_TRAP_ENABLE_INV
#define IEEE_TRAP_ENABLE_MASK (IEEE_TRAP_ENABLE_INV | IEEE_TRAP_ENABLE_DZE |\
fp |= (~sw & (IEEE_TRAP_ENABLE_INV
if (fex & IEEE_TRAP_ENABLE_INV) si_code = FPE_FLTINV;
if (_fex & IEEE_TRAP_ENABLE_INV) si_code = FPE_FLTINV;