Function next [src]

Prototype

pub fn next(self: *Xoroshiro128) u64

Parameters

self: *Xoroshiro128

Source

  pub fn next(self: *Xoroshiro128) u64 {
    const s0 = self.s[0];
    var s1 = self.s[1];
    const r = s0 +% s1;

    s1 ^= s0;
    self.s[0] = math.rotl(u64, s0, @as(u8, 55)) ^ s1 ^ (s1 << 14);
    self.s[1] = math.rotl(u64, s1, @as(u8, 36));

    return r;
}  