text: /**
  * @license Apache-2.0
  *
  * Copyright (c) 2020 The Stdlib Authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *    http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
  
  'use strict';
  
  /**
  * Return the positive difference between `x` and `y` if `x > y`; otherwise, return `0`.
  *
  * @module @stdlib/math-base-special-pdifff
  *
  * @example
  * var pdifff = require( '@stdlib/math-base-special-pdifff' );
  *
  * var v = pdifff( 5.9, 3.15 );
  * // returns 2.75
  *
  * v = pdifff( 3.14, 4.2 );
  * // returns 0.0
  *
  * v = pdifff( 3.14, NaN );
  * // returns NaN
  *
  * v = pdifff( -0.0, +0.0 );
  * // returns +0.0
  */
  
  // MODULES //
  
  var pdifff = require( './main.js' );
  
  
  // EXPORTS //
  
  module.exports = pdifff;
  