fpround
if (fpround(fe, fp) && fp->fp_mant[3] == SNG_EXP(1))
if (fpround(fe, fp) && fp->fp_mant[3] == SNG_EXP(2))
if (fpround(fe, fp) && fp->fp_mant[2] == DBL_EXP(1)) {
if (fpround(fe, fp) && fp->fp_mant[2] == DBL_EXP(2))
if (fpround(fe, fp) && fp->fp_mant[0] == EXT_EXP(1)) {
if (fpround(fe, fp) && fp->fp_mant[0] == EXT_EXP(2))
static int fpround(struct fpemu *, struct fpn *);