additions). basepointNafTable := basepointNafTable() var aTable nafLookupTable5 aTable.FromP3(A) // Because the basepoint is fixed, we can use a wider NAF // corresponding to a bigger table. aNaf := a.nonAdjacentForm(5) bNaf := b.nonAdjacentForm(8) // Find the first nonzero coefficient. i := 255 for j := i; j >= 0; j-- { if aNaf[j] != 0 || bNaf[j] != 0 { break } } multA := &projCached{} multB := &affineCached{} tmp1 := &projP1xP1{} tmp2 := &projP2{} tmp2.Zero() // Move from high to low bits, doubling...