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 the accumulator // at each iteration and checking whether there is a nonzero // coefficient to look up a multiple of. for ; i >= 0; i-- { tmp1.Double(tmp2) // Only update v if we have a nonzero coeff to add in. if aNaf[i] > 0 { v.fromP1xP1(tmp1) aTable.SelectInto(multA,...