IEEE_TRAP_ENABLE_INE
#define FP_EX_INEXACT IEEE_TRAP_ENABLE_INE
fp |= (~sw & (IEEE_TRAP_ENABLE_UNF | IEEE_TRAP_ENABLE_INE)) << 57;
sw |= (~fp >> 57) & (IEEE_TRAP_ENABLE_UNF | IEEE_TRAP_ENABLE_INE);
IEEE_TRAP_ENABLE_INE | IEEE_TRAP_ENABLE_DNO)
if (fex & IEEE_TRAP_ENABLE_INE) si_code = FPE_FLTRES;
if (_fex & IEEE_TRAP_ENABLE_INE) si_code = FPE_FLTRES;