mathjs/lib/esm/utils/complex.js

Math.js is an extensive math library for JavaScript and Node.js. It features a flexible expression parser with support for symbolic computation, comes with a large set of built-in functions and constants, and offers an integrated solution to work with dif

import { nearlyEqual } from './number.js';

/**
 * Test whether two complex values are equal provided a given relTol and absTol.
 * Does not use or change the global Complex.EPSILON setting
 * @param {Complex} x - The first complex number for comparison.
 * @param {Complex} y - The second complex number for comparison.
 * @param {number} relTol - The relative tolerance for comparison.
 * @param {number} absTol - The absolute tolerance for comparison.
 * @returns {boolean} - Returns true if the two complex numbers are equal within the given tolerances, otherwise returns false.
 */
export function complexEquals(x, y, relTol, absTol) {
  return nearlyEqual(x.re, y.re, relTol, absTol) && nearlyEqual(x.im, y.im, relTol, absTol);
}