import {query as q} from "faunadb";

export const BIT_32_MASK = 0xffffffff;

/**
 * Performs 32 bit left shift on a single number.
 * @param a 
 * @param b 
 * @returns 
 */
export const Bit32ShiftLeft = (a : number, b : number)=>{
    return q.BitAnd(
        q.Multiply(
            a,
            q.Pow(2, b)
        )
    )
}

/**
 * Performs right bit shift on 32 bits.
 * @param a 
 * @param b 
 * @returns 
 */
 export const Bit32ShiftRight = (a : number, b : number)=>{
    return q.Floor(Bit32ShiftLeft(a, -b));
}