index.js (1236B)
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 boolean indicating if the sign bit is on (true) or off (false). 23 * 24 * @module @stdlib/number/float32/base/signbit 25 * 26 * @example 27 * var signbitf = require( '@stdlib/number/float32/base/signbit' ); 28 * var toFloat32 = require( '@stdlib/number/float64/base/to-float32' ); 29 * 30 * var bool = signbitf( toFloat32( 4.0 ) ); 31 * // returns false 32 * 33 * bool = signbitf( toFloat32( -9.14e-34 ) ); 34 * // returns true 35 * 36 * bool = signbitf( 0.0 ); 37 * // returns false 38 * 39 * bool = signbitf( -0.0 ); 40 * // returns true 41 */ 42 43 // MODULES // 44 45 var signbitf = require( './main.js' ); 46 47 48 // EXPORTS // 49 50 module.exports = signbitf;