return nil, errors.New("invalid {{.P}} compressed point encoding") } // Select the positive or negative root, as indicated by the least // significant bit, based on the encoding type byte. otherRoot := new({{.Element}}) otherRoot.Sub(otherRoot, y) cond := y.Bytes()[{{.p}}ElementLength-1]&1 ^ b[0]&1 y.Select(otherRoot, y, int(cond)) p.x.Set(x) p.y.Set(y) p.z.One() return p, nil default: return nil, errors.New("invalid {{.P}} point encoding") } } var _{{.p}}B *{{.Element}} var _{{.p}}BOnce sync.Once func...