All files complex.js

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72.22% Branches 13/18
75% Functions 3/4
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/**
 * @file Complex number operations
 * @module Complex
 */
 
require('./monkey-patch.js');
let Complex = require('complex.js');
 
/**
 * Checks if the current complex number is less than the given complex number.
 * @param {Complex} other - The complex number to compare with.
 * @returns {boolean} - Returns true if the current complex number is less than the given complex number, otherwise returns false.
 */
Complex.prototype.lessThan = function (other) {
  if (this.re < other.re) return true;
  Iif (this.re == other.re && this.im < other.im) return true; 
  return false;
}
 
/**
 * Checks if the current complex number is greater than the given complex number.
 * @param {Complex} other - The complex number to compare with.
 * @returns {boolean} - Returns true if the current complex number is greater than the given complex number, otherwise returns false.
 */
Complex.prototype.greaterThan = function (other) {
  if (this.re > other.re) return true;
  Iif (this.re == other.re && this.im > other.im) return true;
  return false;
}
 
/**
 * Set of supported operators.
 * @type {Set<string>}
 */
let Operators = new Set(['add', 'sub', 'mul', 'div', 'equals', 'pow', 'neg', 'lessThan'])
 
let oldComplex = Object.create(null);
for (let op of Operators) {
  oldComplex[op] = Complex.prototype[op];
  /**
   * Overrides the operator method for complex numbers.
   * @param {Complex|function|boolean|string} other - The operand to perform the operation with.
   * @returns {*} - The result of the operation.
   * @throws {Error} - Throws an error if the operation is not supported for the given operand.
   */
  Complex.prototype[op] = function (other) {
    try {
      Iif (typeof other === 'function') return other[op](this);
      Iif (typeof other === 'boolean') return this[op](Complex(Number(other)));
      Iif (typeof other === 'string') return String(this) [op](other);
      return oldComplex[op].call(this, other)
    }
    catch (e) {
      throw new Error(`Complex numbers do not support ${op} for ${other}\n${e}`)
    }
  }
}
 
/**
 * Returns the current complex number.
 * @param {*} other - Ignored parameter.
 * @returns {Complex} - The current complex number.
 */
Complex.prototype.call = function (other) {
  return this
}
 
module.exports = Complex;