p521Table{NewP521Point(), NewP521Point(), NewP521Point(), NewP521Point(), NewP521Point(), NewP521Point(), NewP521Point(), NewP521Point(), NewP521Point(), NewP521Point(), NewP521Point(), NewP521Point(), NewP521Point(), NewP521Point(), NewP521Point()} table[0].Set(q) for i := 1; i < 15; i += 2 { table[i].Double(table[i/2]) table[i+1].Add(table[i], q) } // Instead of doing the classic double-and-add chain, we do it with a // four-bit window: we double four times, and then add [0-15]P. t := NewP521Point() p.Set(NewP521Point())...