Lines Matching refs:R2
170 // R2 <- r_m1 - r_0
171 RWDigits R2 = r_m1;
172 bool R2_sign = SubtractSigned(R2, r_m1, r_m1_sign, R0, false);
173 // R3 <- (R2 - R3) / 2 + 2 * r_inf
174 R3_sign = SubtractSigned(R3, R2, R2_sign, R3, R3_sign);
180 // R2 <- R2 + R1 - R4
181 R2_sign = AddSigned(R2, R2, R2_sign, R1, R1_sign);
182 R2_sign = SubtractSigned(R2, R2, R2_sign, R4, false);
188 R2.Normalize();
191 DCHECK(R2_sign == false || R2.len() == 0);
198 AddAndReturnOverflow(Z + 2 * i, R2);