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Make functions pub to suppress dead code warnings

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Henry de Valence 2017-03-07 23:03:48 -08:00
parent 0e9dc1d38d
commit ab6d32efe1
1 changed files with 3 additions and 3 deletions
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6
src/curve.rs
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@ -211,7 +211,7 @@ impl CompressedMontgomeryU {
/// # Return
///
/// A `FieldElement` corresponding to this coordinate, but in Edwards form.
fn to_edwards_y(u: &FieldElement) -> FieldElement {
pub fn to_edwards_y(u: &FieldElement) -> FieldElement {
// Since `u = (1+y)/(1-y)` and `v = √(u(u²+Au+1))`, so `y = (u-1)/(u+1)`.
&(u - &FieldElement::one()) * &(u + &FieldElement::one()).invert()
}
@ -225,7 +225,7 @@ impl CompressedMontgomeryU {
/// A tuple of (`u8`, `FieldElement`), where the `u8` is `1` if the v² was
/// actually a square and `0` if otherwise, along with a `FieldElement`: the
/// Montgomery `v` corresponding to this `u`.
fn to_montgomery_v(u: &FieldElement) -> (u8, FieldElement) {
pub fn to_montgomery_v(u: &FieldElement) -> (u8, FieldElement) {
let one: FieldElement = FieldElement::one();
let v_squared: FieldElement = u * &(&(&u.square() + &(&(&constants::A * u) + &one)));
@ -260,7 +260,7 @@ impl CompressedMontgomeryU {
/// A `FieldElement`, the Edwards `x` coordinate, by using `(u, v)` to
/// convert from Montgomery to Edwards form via the right-hand side of the
/// equation: `x=(u/v)*sqrt(-A-2)`.
fn to_edwards_x(u: &FieldElement, v: &FieldElement, sign: &u8) -> FieldElement {
pub fn to_edwards_x(u: &FieldElement, v: &FieldElement, sign: &u8) -> FieldElement {
let mut x: FieldElement = &(u * &v.invert()) * &constants::SQRT_MINUS_APLUS2;
let neg_x: FieldElement = -(&x);
let current_sign: u8 = x.is_negative_ed25519();