content: /**
   * Copyright 2007 DFKI GmbH.
   * All Rights Reserved.  Use is subject to license terms.
   * <p/>
   * This file is part of MARY TTS.
   * <p/>
   * MARY TTS is free software: you can redistribute it and/or modify
   * it under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation, version 3 of the License.
   * <p/>
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU Lesser General Public License for more details.
   * <p/>
   * You should have received a copy of the GNU Lesser General Public License
   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
   */
  package marytts.util.math;
  
  /**
   * A complex number: real+sqrt(-1).imag
   *
   * @author Oytun T&uumlrk
   */
  public class ComplexNumber {
  
      public float real;
      public float imag;
  
      public ComplexNumber() {
  
      }
  
      public ComplexNumber(ComplexNumber c) {
          this.real = c.real;
          this.imag = c.imag;
      }
  
      public ComplexNumber(float realIn, float imagIn) {
          this.real = realIn;
          this.imag = imagIn;
      }
  
      public ComplexNumber(double realIn, double imagIn) {
          this.real = (float) realIn;
          this.imag = (float) imagIn;
      }
  
      @Override
      public boolean equals(Object other) {
          if (!(other instanceof ComplexNumber)) {
              return false;
          }
          ComplexNumber cn = (ComplexNumber) other;
          if (real != cn.real) return false;
          return imag == cn.imag;
  
      }
  
      @Override
      public String toString() {
          String str;
          //if (Math.abs(real)>1e-10 || Math.abs(imag)>1e-10)
          //{
          if (imag >= 0.0)
              str = String.valueOf(real) + "+i" + String.valueOf(Math.abs(imag));
          else
              str = String.valueOf(real) + "-i" + String.valueOf(Math.abs(imag));
          //}
          //else
          //    str = "0";
  
          return str;
      }
  }
  
  