index.js (1544B)
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 a normal number `y` and exponent `exp` satisfying \\(x = y \cdot 2^\mathrm{exp}\\). 23 * 24 * @module @stdlib/number/float64/base/normalize 25 * 26 * @example 27 * var normalize = require( '@stdlib/number/float64/base/normalize' ); 28 * var pow = require( '@stdlib/math/base/special/pow' ); 29 * 30 * var out = normalize( 3.14e-319 ); 31 * // returns [ 1.4141234400356668e-303, -52 ] 32 * 33 * var y = out[ 0 ]; 34 * var exp = out[ 1 ]; 35 * 36 * var bool = ( y*pow(2.0,exp) === 3.14e-319 ); 37 * // returns true 38 * 39 * @example 40 * var Float64Array = require( '@stdlib/array/float64' ); 41 * var normalize = require( '@stdlib/number/float64/base/normalize' ); 42 * 43 * var out = new Float64Array( 2 ); 44 * 45 * var v = normalize( out, 3.14e-319 ); 46 * // returns <Float64Array>[ 1.4141234400356668e-303, -52 ] 47 * 48 * var bool = ( v === out ); 49 * // returns true 50 */ 51 52 // MODULES // 53 54 var normalize = require( './main.js' ); 55 56 57 // EXPORTS // 58 59 module.exports = normalize;