shterrett

// http://stackoverflow.com/a/39639200

use std::mem;
use std::hash::{Hash, Hasher};
use std::collections::HashSet;
use std::fmt;

fn integer_decode(val: f64) -> (u64, i16, i8) {
    let bits: u64 = unsafe { mem::transmute(val) };
    let sign: i8 = if bits >> 63 == 0 { 1 } else { -1 };