text: /**
   * @author       Richard Davey <rich@photonstorm.com>
   * @copyright    2019 Photon Storm Ltd.
   * @license      {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
   */
  
  /**
   * Quadratic ease-in/out.
   *
   * @function Phaser.Math.Easing.Quadratic.InOut
   * @since 3.0.0
   *
   * @param {number} v - The value to be tweened.
   *
   * @return {number} The tweened value.
   */
  var InOut = function (v)
  {
      if ((v *= 2) < 1)
      {
          return 0.5 * v * v;
      }
      else
      {
          return -0.5 * (--v * (v - 2) - 1);
      }
  };
  
  module.exports = InOut;
  