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use crate::{point::Point, scalar::Scalar};

/// A trait which allows wrapping up types to be used in multimult without excessive copying
pub trait MultiMult {
    /// return the Scalar at index i
    fn get_scalar(&self, i: usize) -> &Scalar;

    /// return the Point at index i
    fn get_point(&self, i: usize) -> &Point;

    /// return the number of scalars and points to multimult
    fn get_size(&self) -> usize;

    /// return an optimum scratch size, or None if there is none
    fn get_scratch_size(&self) -> Option<usize> {
        Some(self.get_size() * 512)
    }
}