index.js (1188B)
1 /** 2 * @license Apache-2.0 3 * 4 * Copyright (c) 2018 The Stdlib Authors. 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 19 'use strict'; 20 21 /** 22 * Return an integer corresponding to the unbiased exponent of a double-precision floating-point number. 23 * 24 * @module @stdlib/number/float64/base/exponent 25 * 26 * @example 27 * var exponent = require( '@stdlib/number/float64/base/exponent' ); 28 * 29 * var exp = exponent( 3.14e-307 ); // => 2**-1019 ~ 1e-307 30 * // returns -1019 31 * 32 * exp = exponent( -3.14 ); 33 * // returns 1 34 * 35 * exp = exponent( 0.0 ); 36 * // returns -1023 37 * 38 * exp = exponent( NaN ); 39 * // returns 1024 40 */ 41 42 // MODULES // 43 44 var exponent = require( './main.js' ); 45 46 47 // EXPORTS // 48 49 module.exports = exponent;