39 			u.bits.exp++;  in inc()
55 			u.bits.exp--;  in dec()
88 	if (u.bits.exp == LDBL_INF_NAN_EXP) {  in sqrtl()
95 	if ((u.bits.manh | u.bits.manl | u.bits.exp) == 0)  in sqrtl()
104 	if (u.bits.exp == 0) {  in sqrtl()
115 	if ((u.bits.exp - (BIAS-1)) & 1) {	/* n is odd.     */  in sqrtl()
116 		k += u.bits.exp - BIAS;	/* 2k = n - 1.   */  in sqrtl()
118                 u.dbits.dl = scalbn(u.dbits.dl, BIAS - u.bits.exp);  in sqrtl()
120 		u.bits.exp = BIAS;		/* u.e in [1,2). */  in sqrtl()
122                 k += u.bits.exp - (BIAS + 1);	/* 2k = n - 2.   */  in sqrtl()
124                 u.dbits.dl = scalbn(u.dbits.dl, (BIAS + 1) - u.bits.exp);  in sqrtl()
126 		u.bits.exp = (BIAS + 1);	/* u.e in [2,4). */  in sqrtl()
146 	u.bits.exp += (k >> 1) - 1;  in sqrtl()
176                 u.bits.exp--;  in sqrtl()