LDBL_NBIT
if(expt==BIAS && ((u.bits.ext_frach&~LDBL_NBIT)
if(expt==BIAS && ((u.bits.ext_frach&~LDBL_NBIT)
if(expty==0 && ((uy.bits.ext_frach&~LDBL_NBIT)
if(exptx==0 && ((ux.bits.ext_frach&~LDBL_NBIT)
((ux.bits.ext_frach&~LDBL_NBIT)
((uy.bits.ext_frach&~LDBL_NBIT)
if (expsignx==BIAS && ((ux.bits.ext_frach&~LDBL_NBIT)
if (frach == LDBL_NBIT) {
p->ext_frach |= LDBL_NBIT;
p->ext_frach |= LDBL_NBIT;
(((hy&0x0000ffffffffffffLL)&~LDBL_NBIT)|ly)!=0)) /* or y is NaN */
((uy.bits.ext_frach&~LDBL_NBIT)|uy.bits.ext_fracl)!=0)) /* or y is NaN */
((hy&~LDBL_NBIT)|ly)!=0)) /* or y is NaN */
((u.bits.ext_frach&~LDBL_NBIT)