Function guff_matrix::matrix_multiply

pub fn matrix_multiply<S: Simd + Copy, G>(
    xform: &mut impl SimdMatrix<S>, 
    input: &mut impl SimdMatrix<S>, 
    output: &mut impl SimdMatrix<S>, 
    field: G
) where
    G: GaloisField,
    <S as Simd>::E: From<<G as GaloisField>::E> + Copy,
    <G as GaloisField>::E: From<<S as Simd>::E> + Copy,