Function hashUint32WithSeed [src]

Prototype

pub fn hashUint32WithSeed(v: u32, seed: u32) u32

Parameters

v: u32seed: u32

Source

  pub fn hashUint32WithSeed(v: u32, seed: u32) u32 {
    const c1: u32 = 0xcc9e2d51;
    const c2: u32 = 0x1b873593;
    const len: u32 = 4;
    var h1: u32 = seed;
    var k1: u32 = undefined;
    k1 = v *% c1;
    k1 = rotl32(k1, 15);
    k1 *%= c2;
    h1 ^= k1;
    h1 = rotl32(h1, 13);
    h1 *%= 5;
    h1 +%= 0xe6546b64;
    h1 ^= len;
    h1 ^= h1 >> 16;
    h1 *%= 0x85ebca6b;
    h1 ^= h1 >> 13;
    h1 *%= 0xc2b2ae35;
    h1 ^= h1 >> 16;
    return h1;
}  