index.js (1549B)
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 * High word mask for the exponent of a double-precision floating-point number. 23 * 24 * @module @stdlib/constants/float64/high-word-exponent-mask 25 * @type {uinteger32} 26 * 27 * @example 28 * var FLOAT64_HIGH_WORD_EXPONENT_MASK = require( '@stdlib/constants/float64/high-word-exponent-mask' ); 29 * // returns 2146435072 30 */ 31 32 33 // MAIN // 34 35 /** 36 * High word mask for the exponent of a double-precision floating-point number. 37 * 38 * ## Notes 39 * 40 * The high word mask for the exponent of a double-precision floating-point number is an unsigned 32-bit integer with the value \\( 2146435072 \\), which corresponds to the bit sequence 41 * 42 * ```binarystring 43 * 0 11111111111 00000000000000000000 44 * ``` 45 * 46 * @constant 47 * @type {uinteger32} 48 * @default 0x7ff00000 49 * @see [IEEE 754]{@link https://en.wikipedia.org/wiki/IEEE_754-1985} 50 */ 51 var FLOAT64_HIGH_WORD_EXPONENT_MASK = 0x7ff00000; 52 53 54 // EXPORTS // 55 56 module.exports = FLOAT64_HIGH_WORD_EXPONENT_MASK;