pub const ZigTable = struct {
    r: f64,
    x: [257]f64,
    f: [257]f64,

    // probability density function used as a fallback
    pdf: fn (f64) f64,
    // whether the distribution is symmetric
    is_symmetric: bool,
    // fallback calculation in the case we are in the 0 block
    zero_case: fn (Random, f64) f64,
}