Method abs

src/org/opensourcephysics/numerics/Complex.java:177–189

Returns the absolute value of the complex number.

()

   * Returns the absolute value of the complex number.
   */
  public double abs() {
    double absRe = Math.abs(re);
    double absIm = Math.abs(im);
    if((absRe==0)&&(absIm==0)) {
      return 0;
    } else if(absRe>absIm) {
      double temp = absIm/absRe;
      return absRe*Math.sqrt(1+temp*temp);
    } else {
      double temp = absRe/absIm;
      return absIm*Math.sqrt(1+temp*temp);
    }
  }

  /**