main.js (1562B)
1 /** 2 * @license Apache-2.0 3 * 4 * Copyright (c) 2020 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 isVectorLike = require( './../../is-vector-like' ); 24 var isFloat64Array = require( './../../is-float64array' ); 25 26 27 // MAIN // 28 29 /** 30 * Tests if a value is a 1-dimensional ndarray-like object whose underlying data type is `float64`. 31 * 32 * @param {*} v - value to test 33 * @returns {boolean} boolean indicating if a value is a 1-dimensional ndarray-like object whose underlying data type is `float64` 34 * 35 * @example 36 * var Float64Array = require( '@stdlib/array/float64' ); 37 * var ndarray = require( '@stdlib/ndarray/ctor' ); 38 * 39 * var buffer = new Float64Array( [ 0, 0, 0, 0 ] ); 40 * var arr = ndarray( 'float64', buffer, [ 4 ], [ 1 ], 0, 'row-major' ); 41 * 42 * var bool = isFloat64VectorLike( arr ); 43 * // returns true 44 * 45 * bool = isFloat64VectorLike( [] ); 46 * // returns false 47 */ 48 function isFloat64VectorLike( v ) { 49 return ( isVectorLike( v ) && isFloat64Array( v.data ) ); 50 } 51 52 53 // EXPORTS // 54 55 module.exports = isFloat64VectorLike;