let F32 = new Float32Array(               1);
let S32 = new Int32Array  (F32.buffer, 0, 1);
let U32 = new Uint32Array (F32.buffer, 0, 1);

// Interpret a floating short as a 32-bit integer
function fromF32(x) {
    F32[0] = x;
    return S32[0];
}

// Interpret a 32-bit integer as a floating short
function toF32(x) {
    S32[0] = x;
    return F32[0];
}

// Represent a value as a signed 32-bit integer
function s32(x) {
    S32[0] = x;
    return S32[0];
}

// Sign-extend a value with a given number of bits
function signExtend(value, bits) {
    bits = 32 - bits;
    S32[0] = value << bits;
    return S32[0] >> bits;
}

// Represent a value as an unsigned 32-bit integer
function u32(x) {
    U32[0] = x;
    return U32[0];
}



export let Util = {
    fromF32   : fromF32,
    toF32     : toF32,
    s32       : s32,
    signExtend: signExtend,
    u32       : u32
};