FPSCR_FI
*cx |= FPSCR_FI; /* inexact */
*cx |= FPSCR_FI;
if (*cx & FPSCR_FI) {
*cx |= FPSCR_OX | FPSCR_FI;
if (*cx & FPSCR_FI) {
*cx |= FPSCR_OX | FPSCR_FI;
fe->fe_fpscr &= ~(FPSCR_FR | FPSCR_FI | FPSCR_FPRF);
if (cx & FPSCR_FI)