/** * @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'; /** * Test if a double-precision floating-point numeric value is `NaN`. * * @module @stdlib/math-base-assert-is-nan * * @example * var isnan = require( '@stdlib/math-base-assert-is-nan' ); * * var bool = isnan( NaN ); * // returns true * * bool = isnan( 7.0 ); * // returns false */ // MODULES // var isnan = require( './main.js' ); // EXPORTS // module.exports = isnan;