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| Original file line number | Diff line number | Diff line change |
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| <!-- | ||
| @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. | ||
| --> | ||
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| # cunone | ||
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| > Cumulatively test whether every element in a provided array is falsy. | ||
| <section class="usage"> | ||
|
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| ## Usage | ||
|
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| ```javascript | ||
| var cunone = require( '@stdlib/array/base/cunone' ); | ||
| ``` | ||
|
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| #### cunone( x ) | ||
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| Cumulatively tests whether every element in a provided array is falsy. | ||
|
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| ```javascript | ||
| var x = [ false, false, false, true, false ]; | ||
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| var y = cunone( x ); | ||
| // returns [ true, true, true, false, false ]; | ||
| ``` | ||
|
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| #### cunone.assign( x, out, stride, offset ) | ||
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| Cumulatively tests whether every element in a provided array is falsy and assigns results to a provided output array. | ||
|
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| ```javascript | ||
| var x = [ false, false, false, true, false ]; | ||
| var y = [ false, null, false, null, false, null, false, null, false, null ]; | ||
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| var out = cunone.assign( x, y, 2, 0 ); | ||
| // returns [ true, null, true, null, true, null, false, null, false, null ] | ||
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| var bool = ( out === y ); | ||
| // returns true | ||
| ``` | ||
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| The function supports the following parameters: | ||
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| - **x**: input array. | ||
| - **out**: output array. | ||
| - **stride**: output array stride. | ||
| - **offset**: output array offset. | ||
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| </section> | ||
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| <!-- /.usage --> | ||
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| <section class="notes"> | ||
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| </section> | ||
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| <!-- /.notes --> | ||
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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 bernoulli = require( '@stdlib/random/array/bernoulli' ); | ||
| var cunone = require( '@stdlib/array/base/cunone' ); | ||
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| // Create an array of random values: | ||
| var x = bernoulli( 10, 0.1 ); | ||
| console.log( x ); | ||
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| // Cumulatively determine whether values are falsy: | ||
| var out = cunone( x ); | ||
| console.log( out ); | ||
| ``` | ||
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| </section> | ||
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| <!-- /.examples --> | ||
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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) 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. | ||
| */ | ||
|
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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 isArray = require( '@stdlib/assert/is-array' ); | ||
| var filled = require('./../../../base/filled'); | ||
| var pkg = require( './../package.json' ).name; | ||
| var cunone = require( './../lib' ); | ||
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| // FUNCTIONS // | ||
|
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| /** | ||
| * Creates a benchmark function. | ||
| * | ||
| * @private | ||
| * @param {PositiveInteger} len - array length | ||
| * @returns {Function} benchmark function | ||
| */ | ||
| function createBenchmark( len ) { | ||
| var x = filled( 1.5, len ); | ||
| return benchmark; | ||
|
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| /** | ||
| * Benchmark function. | ||
| * | ||
| * @private | ||
| * @param {Benchmark} b - benchmark instance | ||
| */ | ||
| function benchmark( b ) { | ||
| var y; | ||
| var v; | ||
| var i; | ||
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| y = filled( true, len ); | ||
|
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| b.tic(); | ||
| for ( i = 0; i < b.iterations; i++ ) { | ||
| v = cunone.assign( x, y, 1, 0 ); | ||
| if ( typeof v !== 'object' ) { | ||
| b.fail( 'should return an array' ); | ||
| } | ||
| } | ||
| b.toc(); | ||
| if ( !isArray( v ) ) { | ||
| b.fail( 'should return an array' ); | ||
| } | ||
| b.pass( 'benchmark finished' ); | ||
| b.end(); | ||
| } | ||
| } | ||
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|
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| // MAIN // | ||
|
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| /** | ||
| * Main execution sequence. | ||
| * | ||
| * @private | ||
| */ | ||
| function main() { | ||
| var len; | ||
| var min; | ||
| var max; | ||
| 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++ ) { | ||
| len = pow( 10, i ); | ||
| f = createBenchmark( len ); | ||
| bench( pkg+':assign:len='+len, f ); | ||
| } | ||
| } | ||
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| main(); |
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| /** | ||
| * @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. | ||
| */ | ||
|
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| 'use strict'; | ||
|
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| // MODULES // | ||
|
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| var bench = require( '@stdlib/bench' ); | ||
| var isArray = require( '@stdlib/assert/is-array' ); | ||
| var pkg = require( './../package.json' ).name; | ||
| var cunone = require( './../lib' ); | ||
|
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|
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| // MAIN // | ||
|
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| bench( pkg, function benchmark( b ) { | ||
| var x; | ||
| var i; | ||
| var v; | ||
|
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| x = [ false, false, true, false, false ]; | ||
|
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| b.tic(); | ||
| for ( i = 0; i < b.iterations; i++ ) { | ||
| v = cunone( x ); | ||
| if ( typeof v !== 'object' ) { | ||
| b.fail( 'should return an array' ); | ||
| } | ||
| } | ||
| b.toc(); | ||
| if ( !isArray( v ) ) { | ||
| b.fail( 'should return an array' ); | ||
| } | ||
| b.pass( 'benchmark finished' ); | ||
| b.end(); | ||
| }); |
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