main.js (1519B)
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 // MODULES // 22 23 var Float32Array = require( '@stdlib/array/float32' ); 24 var Uint32Array = require( '@stdlib/array/uint32' ); 25 26 27 // VARIABLES // 28 29 var FLOAT32_VIEW = new Float32Array( 1.0 ); 30 var UINT32_VIEW = new Uint32Array( FLOAT32_VIEW.buffer ); 31 32 33 // MAIN // 34 35 /** 36 * Returns an unsigned 32-bit integer corresponding to the IEEE 754 binary representation of a single-precision floating-point number. 37 * 38 * @param {number} x - single-precision floating-point number 39 * @returns {unsigned32} unsigned 32-bit integer 40 * 41 * @example 42 * var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' ); 43 * 44 * var f32 = float64ToFloat32( 1.337 ); 45 * // returns 1.3370000123977661 46 * 47 * var w = toWordf( f32 ); // => 0 01111111 01010110010001011010001 48 * // returns 1068180177 49 */ 50 function toWordf( x ) { 51 FLOAT32_VIEW[ 0 ] = x; 52 return UINT32_VIEW[ 0 ]; 53 } 54 55 56 // EXPORTS // 57 58 module.exports = toWordf;