text: /**
  * @license Apache-2.0
  *
  * Copyright (c) 2018 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';
  
  // MODULES //
  
  var isNonNegativeInteger = require( '@stdlib/math/base/assert/is-nonnegative-integer' );
  var isnan = require( '@stdlib/math/base/assert/is-nan' );
  var floor = require( '@stdlib/math/base/special/floor' );
  var PINF = require( '@stdlib/constants/math/float64-pinf' );
  
  
  // MAIN //
  
  /**
  * Returns the mode of a binomial distribution.
  *
  * @param {NonNegativeInteger} n - number of trials
  * @param {Probability} p - success probability
  * @returns {NonNegativeInteger} mode
  *
  * @example
  * var v = mode( 100, 0.1 );
  * // returns 10
  *
  * @example
  * var v = mode( 20, 0.5 );
  * // returns 10
  *
  * @example
  * var v = mode( 10.3, 0.5 );
  * // returns NaN
  *
  * @example
  * var v = mode( 20, 1.1 );
  * // returns NaN
  *
  * @example
  * var v = mode( 20, NaN );
  * // returns NaN
  */
  function mode( n, p ) {
  	if (
  		isnan( n ) ||
  		isnan( p ) ||
  		p < 0.0 ||
  		p > 1.0 ||
  		!isNonNegativeInteger( n ) ||
  		n === PINF
  	) {
  		return NaN;
  	}
  	return floor( ( n+1 ) * p );
  }
  
  
  // EXPORTS //
  
  module.exports = mode;
  