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 copy 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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Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 160 bytes