Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 43x 43x 43x 9x 9x 43x 9x 9x 43x 7x 7x 18x 43x 9x 9x 9x 43x 1x 1x 1x 1x 1x | /**
* @license Apache-2.0
*
* Copyright (c) 2024 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
'use strict';
// MODULES //
var isCollection = require( '@stdlib/assert/is-collection' );
var base = require( '@stdlib/array/base/mskreject' );
var countFalsy = require( '@stdlib/array/base/count-falsy' );
var zeros = require( '@stdlib/array/zeros' );
var dtype = require( '@stdlib/array/dtype' );
var format = require( '@stdlib/string/format' );
// MAIN //
/**
* Returns a new array by applying a mask to a provided input array.
*
* @param {Collection} x - input array
* @param {Collection} mask - mask array
* @throws {TypeError} first argument must be a collection
* @throws {TypeError} second argument must be a collection
* @throws {Error} must provide collections of equal length
* @returns {Collection} output array
*
* @example
* var x = [ 1, 2, 3, 4 ];
* var mask = [ 0, 1, 0, 1 ];
*
* var y = mskreject( x, mask );
* // returns [ 1, 3 ]
*
* @example
* var Int32Array = require( '@stdlib/array/int32' );
*
* var x = new Int32Array( [ 1, 2, 3, 4 ] );
* var mask = [ 0, 1, 0, 1 ];
*
* var y = mskreject( x, mask );
* // returns <Int32Array>[ 1, 3 ]
*/
function mskreject( x, mask ) {
var dt;
if ( !isCollection( x ) ) {
throw new TypeError( format( 'invalid argument. First argument must be an array-like object. Value: `%s`.', x ) );
}
if ( !isCollection( mask ) ) {
throw new TypeError( format( 'invalid argument. Second argument must be an array-like object. Value: `%s`.', mask ) );
}
if ( x.length !== mask.length ) {
throw new Error( format( 'invalid arguments. Must provide equal length array-like objects.' ) );
}
dt = dtype( x );
if ( dt === 'generic' || dt === null ) {
return base( x, mask );
}
return base.assign( x, mask, zeros( countFalsy( mask ), dt ), 1, 0 );
}
// EXPORTS //
module.exports = mskreject;
|