ffcreatorlite/lib/math/maths.js

FFCreatorLite is a lightweight and flexible short video production library

'use strict';

/**
 * Maths
 * @function
 */

function accAdd(arg1, arg2) {
  let r1, r2, m, c;
  try {
    r1 = arg1.toString().split('.')[1].length;
  } catch (e) {
    r1 = 0;
  }

  try {
    r2 = arg2.toString().split('.')[1].length;
  } catch (e) {
    r2 = 0;
  }

  c = Math.abs(r1 - r2);
  m = Math.pow(10, Math.max(r1, r2));

  if (c > 0) {
    let cm = Math.pow(10, c);
    if (r1 > r2) {
      arg1 = Number(arg1.toString().replace('.', ''));
      arg2 = Number(arg2.toString().replace('.', '')) * cm;
    } else {
      arg1 = Number(arg1.toString().replace('.', '')) * cm;
      arg2 = Number(arg2.toString().replace('.', ''));
    }
  } else {
    arg1 = Number(arg1.toString().replace('.', ''));
    arg2 = Number(arg2.toString().replace('.', ''));
  }

  return (arg1 + arg2) / m;
}

module.exports = { accAdd };