CompletedPoint

curve25519_dalek::backend::serial::curve_models

Struct CompletedPoint 

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pub struct CompletedPoint {
    pub X: FieldElement51,
    pub Y: FieldElement51,
    pub Z: FieldElement51,
    pub T: FieldElement51,
}
Expand description

A CompletedPoint is a point \(((X:Z), (Y:T))\) on the \(\mathbb P^1 \times \mathbb P^1 \) model of the curve. A point (x,y) in the affine model corresponds to \( ((x:1),(y:1)) \).

More details on the relationships between the different curve models can be found in the module-level documentation.

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§X: FieldElement51§Y: FieldElement51§Z: FieldElement51§T: FieldElement51

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impl CompletedPoint

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pub fn as_projective(&self) -> ProjectivePoint

Convert this point from the \( \mathbb P^1 \times \mathbb P^1 \) model to the \( \mathbb P^2 \) model.

This costs \(3 \mathrm M \).

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pub fn as_extended(&self) -> EdwardsPoint

Convert this point from the \( \mathbb P^1 \times \mathbb P^1 \) model to the \( \mathbb P^3 \) model.

This costs \(4 \mathrm M \).

Trait Implementations§

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impl Clone for CompletedPoint

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fn clone(&self) -> CompletedPoint

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for CompletedPoint

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Copy for CompletedPoint

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🔬This is a nightly-only experimental API. (clone_to_uninit)
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Size: 160 bytes