pub fn denested_cell_coefficients(
score_span: LocalSpanCubic,
link_span: LocalSpanCubic,
a: f64,
b: f64,
) -> [f64; 4]pub fn denested_cell_coefficients(
score_span: LocalSpanCubic,
link_span: LocalSpanCubic,
a: f64,
b: f64,
) -> [f64; 4]