Press n or j to go to the next uncovered block, b, p or k for the previous block.
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* @license Apache-2.0
*
* Copyright (c) 2023 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';
// MAIN //
/**
* Returns a filled four-dimensional nested array according to a provided callback function.
*
* @param {NonNegativeIntegerArray} shape - array shape
* @param {Callback} clbk - callback function
* @param {*} [thisArg] - callback function execution context
* @returns {Array} filled array
*
* @example
* var constantFunction = require( '@stdlib/utils/constant-function' );
*
* var out = filled4dBy( [ 1, 1, 1, 3 ], constantFunction( 'beep' ) );
* // returns [ [ [ [ 'beep', 'beep', 'beep' ] ] ] ]
*/
function filled4dBy( shape, clbk, thisArg ) {
var arr;
var a0;
var a1;
var a2;
var S0;
var S1;
var S2;
var S3;
var i0;
var i1;
var i2;
var i3;
S0 = shape[ 3 ];
S1 = shape[ 2 ];
S2 = shape[ 1 ];
S3 = shape[ 0 ];
// Manually push elements in order to ensure "fast" elements...
arr = [];
for ( i3 = 0; i3 < S3; i3++ ) {
a2 = [];
for ( i2 = 0; i2 < S2; i2++ ) {
a1 = [];
for ( i1 = 0; i1 < S1; i1++ ) {
a0 = [];
for ( i0 = 0; i0 < S0; i0++ ) {
a0.push( clbk.call( thisArg, [ i3, i2, i1, i0 ] ) );
}
a1.push( a0 );
}
a2.push( a1 );
}
arr.push( a2 );
}
return arr;
}
// EXPORTS //
module.exports = filled4dBy;
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