17   RealFlags flags;  in Add()  local
18   Part reSum{re_.Add(that.re_, rounding).AccumulateFlags(flags)};  in Add()
19   Part imSum{im_.Add(that.im_, rounding).AccumulateFlags(flags)};  in Add()
20   return {Complex{reSum, imSum}, flags};  in Add()
26   RealFlags flags;  in Subtract()  local
27   Part reDiff{re_.Subtract(that.re_, rounding).AccumulateFlags(flags)};  in Subtract()
28   Part imDiff{im_.Subtract(that.im_, rounding).AccumulateFlags(flags)};  in Subtract()
29   return {Complex{reDiff, imDiff}, flags};  in Subtract()
36   RealFlags flags;  in Multiply()  local
37   Part ac{re_.Multiply(that.re_, rounding).AccumulateFlags(flags)};  in Multiply()
38   Part bd{im_.Multiply(that.im_, rounding).AccumulateFlags(flags)};  in Multiply()
39   Part ad{re_.Multiply(that.im_, rounding).AccumulateFlags(flags)};  in Multiply()
40   Part bc{im_.Multiply(that.re_, rounding).AccumulateFlags(flags)};  in Multiply()
41   Part acbd{ac.Subtract(bd, rounding).AccumulateFlags(flags)};  in Multiply()
42   Part adbc{ad.Add(bc, rounding).AccumulateFlags(flags)};  in Multiply()
43   return {Complex{acbd, adbc}, flags};  in Multiply()
54   RealFlags flags;  in Divide()  local
57     scale = that.im_.Divide(that.re_, rounding).AccumulateFlags(flags);  in Divide()
59     scale = that.re_.Divide(that.im_, rounding).AccumulateFlags(flags);  in Divide()
63     Part dS{scale.Multiply(that.im_, rounding).AccumulateFlags(flags)};  in Divide()
64     den = dS.Add(that.re_, rounding).AccumulateFlags(flags);  in Divide()
66     Part cS{scale.Multiply(that.re_, rounding).AccumulateFlags(flags)};  in Divide()
67     den = cS.Add(that.im_, rounding).AccumulateFlags(flags);  in Divide()
69   Part aS{scale.Multiply(re_, rounding).AccumulateFlags(flags)};  in Divide()
70   Part bS{scale.Multiply(im_, rounding).AccumulateFlags(flags)};  in Divide()
73     re1 = re_.Add(bS, rounding).AccumulateFlags(flags);  in Divide()
74     im1 = im_.Subtract(aS, rounding).AccumulateFlags(flags);  in Divide()
76     re1 = aS.Add(im_, rounding).AccumulateFlags(flags);  in Divide()
77     im1 = bS.Subtract(re_, rounding).AccumulateFlags(flags);  in Divide()
79   Part re{re1.Divide(den, rounding).AccumulateFlags(flags)};  in Divide()
80   Part im{im1.Divide(den, rounding).AccumulateFlags(flags)};  in Divide()
81   return {Complex{re, im}, flags};  in Divide()