Algorithms // Generate random number stream // From "Data Structures and Algorithms: From Zero to Hero" on Udemy

random-fn.ts

// Variable to keep track of old value
const A: number = 22695477;
const B: number = 12820163;
const M: number = Math.pow(2, 24);
let prev: number = 0;

function modGen(val: number, mod: number): number {
  return val - Math.trunc(val / mod) * mod;
}

function gen(): number {
  return modGen(prev * A + B, M);
}

function genStream(variations: number): void {
  for (let index = 0; index < variations; index++) {
    if (index === 0) {
      console.log(prev);
    } else {
      const newValue = gen();
      if (newValue === prev) {
      } else prev = newValue;
      console.log(newValue);
    }
  }
}

genStream(999);