Function ceil_div

poly-commit/src/utils.rs:42–45

Return ceil(x / y).

(x: usize, y: usize)

/// Return ceil(x / y).
pub(crate) fn ceil_div(x: usize, y: usize) -> usize {
    // XXX. warning: this expression can overflow.
    (x + y - 1) / y
}

#[derive(Derivative, CanonicalSerialize, CanonicalDeserialize)]
#[derivative(Default(bound = ""), Clone(bound = ""), Debug(bound = ""))]