Function extract_p

pub fn extract_p(point: Point) -> Base

Coordinate Extractor for Pallas

ExtractP: P → P𝑥 such that ExtractP(𝑃) = 𝑥(𝑃) mod 𝑞P.

ExtractP returns the type P𝑥 which is precise for its range, unlike ExtractJ(𝑟) which returns a bit sequence.