Function ZigTableGen [src]

Prototype

 pub fn ZigTableGen( comptime is_symmetric: bool, comptime r: f64, comptime v: f64, comptime f: fn (f64) f64, comptime f_inv: fn (f64) f64, comptime zero_case: fn (Random, f64) f64, ) ZigTable

Parameters

is_symmetric: boolr: f64v: f64f: fn (f64) f64f_inv: fn (f64) f64zero_case: fn (Random, f64) f64

Source

  pub fn ZigTableGen(
    comptime is_symmetric: bool,
    comptime r: f64,
    comptime v: f64,
    comptime f: fn (f64) f64,
    comptime f_inv: fn (f64) f64,
    comptime zero_case: fn (Random, f64) f64,
) ZigTable {
    var tables: ZigTable = undefined;

    tables.is_symmetric = is_symmetric;
    tables.r = r;
    tables.pdf = f;
    tables.zero_case = zero_case;

    tables.x[0] = v / f(r);
    tables.x[1] = r;

    for (tables.x[2..256], 0..) |*entry, i| {
        const last = tables.x[2 + i - 1];
        entry.* = f_inv(v / last + f(last));
    }
    tables.x[256] = 0;

    for (tables.f[0..], 0..) |*entry, i| {
        entry.* = f(tables.x[i]);
    }

    return tables;
}  