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Wrapping

Linear congruent generator where the modulo is std.math.maxInt(T), wrapping over the integer.

lcg.Wrapping

pub fn Wrapping(comptime T: type) type

File

lib/std/Random/lcg.zig:11

Code

pub fn Wrapping(comptime T: type) type {
    return struct {
        xi: T,
        a: T,
        c: T,

        pub fn init(xi: T, a: T, c: T) LcgSelf {
            return .{ .xi = xi, .a = a, .c = c };
        }

        pub fn next(lcg: *LcgSelf) T {
            lcg.xi = (lcg.a *% lcg.xi) +% lcg.c;
            return lcg.xi;
        }

        const LcgSelf = @This();
    };
}