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lines changed Original file line number Diff line number Diff line change @@ -95,37 +95,6 @@ impl AffinePoint {
9595 }
9696 }
9797
98- // pub(crate) fn isogeny(&self) -> Self {
99- // let x = self.x;
100- // let y = self.y;
101- // let mut t0 = x.square(); // x^2
102- // let t1 = t0 + FieldElement::ONE; // x^2+1
103- // t0 -= FieldElement::ONE; // x^2-1
104- // let mut t2 = y.square(); // y^2
105- // t2 = t2.double(); // 2y^2
106- // let t3 = x.double(); // 2x
107-
108- // let mut t4 = t0 * y; // y(x^2-1)
109- // t4 = t4.double(); // 2y(x^2-1)
110- // let xNum = t4.double(); // xNum = 4y(x^2-1)
111-
112- // let mut t5 = t0.square(); // x^4-2x^2+1
113- // t4 = t5 + t2; // x^4-2x^2+1+2y^2
114- // let xDen = t4 + t2; // xDen = x^4-2x^2+1+4y^2
115-
116- // t5 *= x; // x^5-2x^3+x
117- // t4 = t2 * t3; // 4xy^2
118- // let yNum = t4 - t5; // yNum = -(x^5-2x^3+x-4xy^2)
119-
120- // t4 = t1 * t2; // 2x^2y^2+2y^2
121- // let yDen = t5 - t4; // yDen = x^5-2x^3+x-2x^2y^2-2y^2
122-
123- // Self {
124- // x: xNum * xDen.invert(),
125- // y: yNum * yDen.invert(),
126- // }
127- // }
128-
12998 /// Standard compression; store Y and sign of X
13099 pub fn compress ( & self ) -> CompressedEdwardsY {
131100 let affine_x = self . x ;
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