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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. | ||
--> | ||
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# zeros4d | ||
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> Create a zero-filled four-dimensional nested array. | ||
<!-- Section to include introductory text. Make sure to keep an empty line after the intro `section` element and another before the `/section` close. --> | ||
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<section class="intro"> | ||
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</section> | ||
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<!-- /.intro --> | ||
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<!-- Package usage documentation. --> | ||
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<section class="usage"> | ||
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## Usage | ||
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```javascript | ||
var zeros4d = require( '@stdlib/array/base/zeros4d' ); | ||
``` | ||
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#### zeros4d( shape ) | ||
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Returns a zero-filled four-dimensional nested array. | ||
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```javascript | ||
var out = zeros4d( [ 1, 1, 2, 3 ] ); | ||
// returns [ [ [ [ 0.0, 0.0, 0.0 ], [ 0.0, 0.0, 0.0 ] ] ] ] | ||
``` | ||
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</section> | ||
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<!-- /.usage --> | ||
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<!-- Package usage notes. Make sure to keep an empty line after the `section` element and another before the `/section` close. --> | ||
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<section class="notes"> | ||
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</section> | ||
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<!-- /.notes --> | ||
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<!-- Package usage examples. --> | ||
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<section class="examples"> | ||
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## Examples | ||
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<!-- eslint no-undef: "error" --> | ||
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```javascript | ||
var zeros4d = require( '@stdlib/array/base/zeros4d' ); | ||
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var out = zeros4d( [ 1, 1, 1, 3 ] ); | ||
// returns [ [ [ [ 0.0, 0.0, 0.0 ] ] ] ] | ||
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out = zeros4d( [ 1, 1, 3, 1 ] ); | ||
// returns [ [ [ [ 0.0 ], [ 0.0 ], [ 0.0 ] ] ] ] | ||
``` | ||
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</section> | ||
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<!-- /.examples --> | ||
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<!-- Section to include cited references. If references are included, add a horizontal rule *before* the section. Make sure to keep an empty line after the `section` element and another before the `/section` close. --> | ||
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<section class="references"> | ||
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</section> | ||
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<!-- /.references --> | ||
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<!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. --> | ||
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<section class="related"> | ||
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</section> | ||
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<!-- /.related --> | ||
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<!-- Section for all links. Make sure to keep an empty line after the `section` element and another before the `/section` close. --> | ||
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<section class="links"> | ||
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</section> | ||
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<!-- /.links --> |
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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. | ||
*/ | ||
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'use strict'; | ||
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// MODULES // | ||
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var bench = require( '@stdlib/bench' ); | ||
var pow = require( '@stdlib/math/base/special/pow' ); | ||
var floor = require( '@stdlib/math/base/special/floor' ); | ||
var isArrayArray = require( '@stdlib/assert/is-array-array' ); | ||
var pkg = require( './../package.json' ).name; | ||
var zeros4d = require( './../lib' ); | ||
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// FUNCTIONS // | ||
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/** | ||
* Creates a benchmark function. | ||
* | ||
* @private | ||
* @param {PositiveInteger} N - array lengths | ||
* @returns {Function} benchmark function | ||
*/ | ||
function createBenchmark( N ) { | ||
return benchmark; | ||
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/** | ||
* Benchmark function. | ||
* | ||
* @private | ||
* @param {Benchmark} b - benchmark instance | ||
*/ | ||
function benchmark( b ) { | ||
var out; | ||
var i; | ||
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b.tic(); | ||
for ( i = 0; i < b.iterations; i++ ) { | ||
out = zeros4d( [ N, N, N, N ] ); | ||
if ( typeof out !== 'object' ) { | ||
b.fail( 'should return an array of arrays' ); | ||
} | ||
} | ||
b.toc(); | ||
if ( !isArrayArray( out ) ) { | ||
b.fail( 'should return an array of arrays' ); | ||
} | ||
b.pass( 'benchmark finished' ); | ||
b.end(); | ||
} | ||
} | ||
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// MAIN // | ||
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/** | ||
* Main execution sequence. | ||
* | ||
* @private | ||
*/ | ||
function main() { | ||
var min; | ||
var max; | ||
var N; | ||
var f; | ||
var i; | ||
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min = 1; // 10^min | ||
max = 6; // 10^max | ||
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for ( i = min; i <= max; i++ ) { | ||
N = floor( pow( pow( 10, i ), 1.0/4.0 ) ); | ||
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f = createBenchmark( N ); | ||
bench( pkg+'::equidimensional:size='+(N*N*N*N), f ); | ||
} | ||
} | ||
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main(); |
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{{alias}}( shape ) | ||
Returns a zero-filled four-dimensional nested array. | ||
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Parameters | ||
---------- | ||
shape: Array<integer> | ||
Array shape. | ||
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Returns | ||
------- | ||
out: Array | ||
Output array. | ||
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Examples | ||
-------- | ||
> var out = {{alias}}( [ 1, 1, 1, 3 ] ) | ||
[ [ [ [ 0.0, 0.0, 0.0 ] ] ] ] | ||
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See Also | ||
-------- | ||
|
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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. | ||
*/ | ||
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// TypeScript Version: 4.1 | ||
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/// <reference types="@stdlib/types"/> | ||
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import { Collection } from '@stdlib/types/object'; | ||
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/** | ||
* Returns a zero-filled four-dimensional nested array. | ||
* | ||
* @param shape - array shape | ||
* @returns output array | ||
* | ||
* @example | ||
* var out = zeros4d( [ 1, 1, 1, 3 ] ); | ||
* // returns [ [ [ [ 0.0, 0.0, 0.0 ] ] ] ] | ||
*/ | ||
declare function zeros4d( shape: Collection<number> ): Array<Array<Array<Array<number>>>>; | ||
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// EXPORTS // | ||
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export = zeros4d; |
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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. | ||
*/ | ||
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import zeros4d = require( './index' ); | ||
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// TESTS // | ||
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// The function returns a nested array... | ||
{ | ||
zeros4d( [ 1, 1, 1, 3 ] ); // $ExpectType number[][][][] | ||
} | ||
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// The compiler throws an error if the function is provided a first argument which is not an array of numbers... | ||
{ | ||
zeros4d( 'abc' ); // $ExpectError | ||
zeros4d( true ); // $ExpectError | ||
zeros4d( false ); // $ExpectError | ||
zeros4d( null ); // $ExpectError | ||
zeros4d( [ '1' ] ); // $ExpectError | ||
zeros4d( {} ); // $ExpectError | ||
zeros4d( ( x: number ): number => x ); // $ExpectError | ||
} | ||
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// The compiler throws an error if the function is provided an unsupported number of arguments... | ||
{ | ||
zeros4d(); // $ExpectError | ||
zeros4d( [ 1, 1, 1, 3 ], 2 ); // $ExpectError | ||
} |
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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. | ||
*/ | ||
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'use strict'; | ||
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var zeros4d = require( './../lib' ); | ||
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var out = zeros4d( [ 1, 1, 1, 3 ] ); | ||
console.log( out ); | ||
// => [ [ [ [ 0.0, 0.0, 0.0 ] ] ] ] | ||
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out = zeros4d( [ 1, 1, 3, 1 ] ); | ||
console.log( out ); | ||
// => [ [ [ [ 0.0 ], [ 0.0 ], [ 0.0 ] ] ] ] |
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