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feat: add toReversed method to array/complex64
PR-URL: #1260 Co-authored-by: Athan Reines <kgryte@gmail.com> Reviewed-by: Athan Reines <kgryte@gmail.com> Signed-off-by: Athan Reines <kgryte@gmail.com>
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‎lib/node_modules/@stdlib/array/complex64/README.md

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// returns 6.0
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```
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<a name="method-to-reversed"></a>
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#### Complex64Array.prototype.toReversed()
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Returns a new typed array containing the elements in reversed order.
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```javascript
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var realf = require( '@stdlib/complex/realf' );
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var imagf = require( '@stdlib/complex/imagf' );
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var arr = new Complex64Array( 3 );
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arr.set( [ 1.0, 1.0 ], 0 );
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arr.set( [ 2.0, 2.0 ], 1 );
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arr.set( [ 3.0, 3.0 ], 2 );
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var out = arr.toReversed();
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// returns <Complex64Array>
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var z = out.get( 0 );
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// returns <Complex64>
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var re = realf( z );
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// returns 3.0
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var im = imagf( z );
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// returns 3.0
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z = out.get( 1 );
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// returns <Complex64>
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re = realf( z );
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// returns 2.0
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im = imagf( z );
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// returns 2.0
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z = out.get( 2 );
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// returns <Complex64>
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re = realf( z );
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// returns 1.0
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im = imagf( z );
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// returns 1.0
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```
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<a name="method-to-string"></a>
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#### Complex64Array.prototype.toString()

‎lib/node_modules/@stdlib/array/complex64/benchmark/benchmark.to_reversed.js

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2023 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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'use strict';
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// MODULES //
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var bench = require( '@stdlib/bench' );
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var isComplex64Array = require( '@stdlib/assert/is-complex64array' );
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var pkg = require( './../package.json' ).name;
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var Complex64Array = require( './../lib' );
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// MAIN //
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bench( pkg+':toReversed', function benchmark( b ) {
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var out;
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var arr;
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var i;
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arr = new Complex64Array( [ 1, 2, 3, 4, 5, 6 ] );
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b.tic();
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for ( i = 0; i < b.iterations; i++ ) {
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out = arr.toReversed();
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if ( typeof out !== 'object' ) {
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b.fail( 'should return an object' );
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}
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}
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b.toc();
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if ( !isComplex64Array( out ) ) {
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b.fail( 'should return a Complex64Array' );
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}
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b.pass( 'benchmark finished' );
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b.end();
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});

‎lib/node_modules/@stdlib/array/complex64/benchmark/benchmark.to_reversed.length.js

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2023 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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'use strict';
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// MODULES //
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var bench = require( '@stdlib/bench' );
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var isComplex64Array = require( '@stdlib/assert/is-complex64array' );
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var pow = require( '@stdlib/math/base/special/pow' );
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var Complex64 = require( '@stdlib/complex/float32' );
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var pkg = require( './../package.json' ).name;
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var Complex64Array = require( './../lib' );
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// FUNCTIONS //
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/**
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* Creates a benchmark function.
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*
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* @private
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* @param {PositiveInteger} len - array length
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* @returns {Function} benchmark function
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*/
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function createBenchmark( len ) {
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var arr;
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var i;
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arr = [];
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for ( i = 0; i < len; i++ ) {
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arr.push( new Complex64( i, i ) );
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}
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arr = new Complex64Array( arr );
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return benchmark;
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/**
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* Benchmark function.
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*
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* @private
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* @param {Benchmark} b - benchmark instance
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*/
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function benchmark( b ) {
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var out;
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var i;
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b.tic();
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for ( i = 0; i < b.iterations; i++ ) {
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out = arr.toReversed();
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if ( typeof out !== 'object' ) {
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b.fail( 'should return an object' );
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}
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}
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b.toc();
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if ( !isComplex64Array( out ) ) {
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b.fail( 'should return a Complex64Array' );
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}
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b.pass( 'benchmark finished' );
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b.end();
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}
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}
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// MAIN //
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/**
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* Main execution sequence.
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*
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* @private
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*/
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function main() {
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var len;
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var min;
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var max;
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var f;
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var i;
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min = 1; // 10^min
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max = 6; // 10^max
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for ( i = min; i <= max; i++ ) {
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len = pow( 10, i );
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f = createBenchmark( len );
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bench( pkg+':toReversed:len='+len, f );
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}
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}
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main();

‎lib/node_modules/@stdlib/array/complex64/docs/types/index.d.ts

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*/
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subarray( begin?: number, end?: number ): Complex64Array;
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/**
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* Returns a new typed array containing the elements in reversed order.
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*
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* @returns reversed array
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*
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* @example
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* var realf = require( '@stdlib/complex/realf' );
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* var imagf = require( '@stdlib/complex/imagf' );
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*
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* var arr = new Complex64Array( 3 );
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*
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* arr.set( [ 1.0, 1.0 ], 0 );
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* arr.set( [ 2.0, 2.0 ], 1 );
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* arr.set( [ 3.0, 3.0 ], 2 );
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*
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* var out = arr.toReversed();
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* // returns <Complex64Array>
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*
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* var z = out.get( 0 );
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* // returns <Complex64>
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*
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* var re = realf( z );
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* // returns 3.0
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*
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* var im = imagf( z );
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* // returns 3.0
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*
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* z = out.get( 1 );
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* // returns <Complex64>
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*
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* re = realf( z );
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* // returns 2.0
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*
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* im = imagf( z );
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* // returns 2.0
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*
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* z = out.get( 2 );
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* // returns <Complex64>
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*
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* re = realf( z );
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* // returns 1.0
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*
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* im = imagf( z );
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* // returns 1.0
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*/
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toReversed(): Complex64Array;
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/**
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* Serializes an array as a string.
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*

‎lib/node_modules/@stdlib/array/complex64/lib/main.js

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return new this.constructor( buf.buffer, offset, ( len < 0 ) ? 0 : len );
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});
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/**
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* Returns a new typed array containing the elements in reversed order.
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*
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* @name toReversed
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* @memberof Complex64Array.prototype
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* @type {Function}
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* @throws {TypeError} `this` must be a complex number array
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* @returns {Complex64Array} reversed array
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*
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* @example
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* var realf = require( '@stdlib/complex/realf' );
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* var imagf = require( '@stdlib/complex/imagf' );
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*
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* var arr = new Complex64Array( 3 );
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*
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* arr.set( [ 1.0, 1.0 ], 0 );
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* arr.set( [ 2.0, 2.0 ], 1 );
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* arr.set( [ 3.0, 3.0 ], 2 );
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*
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* var out = arr.toReversed();
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* // returns <Complex64Array>
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*
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* var z = out.get( 0 );
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* // returns <Complex64>
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*
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* var re = realf( z );
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* // returns 3.0
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*
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* var im = imagf( z );
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* // returns 3.0
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*
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* z = out.get( 1 );
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* // returns <Complex64>
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*
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* re = realf( z );
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* // returns 2.0
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*
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* im = imagf( z );
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* // returns 2.0
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*
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* z = out.get( 2 );
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* // returns <Complex64>
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*
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* re = realf( z );
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* // returns 1.0
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*
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* im = imagf( z );
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* // returns 1.0
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*/
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setReadOnly( Complex64Array.prototype, 'toReversed', function toReversed() {
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var outbuf;
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var out;
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var len;
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var buf;
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var i;
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var j;
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if ( !isComplexArray( this ) ) {
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throw new TypeError( 'invalid invocation. `this` is not a complex number array.' );
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}
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len = this._length;
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out = new this.constructor( len );
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buf = this._buffer;
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outbuf = out._buffer; // eslint-disable-line no-underscore-dangle
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for ( i = 0; i < len; i++ ) {
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j = len - i - 1;
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outbuf[ (2*i) ] = buf[ (2*j) ];
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outbuf[ (2*i)+1 ] = buf[ (2*j)+1 ];
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}
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return out;
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});
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/**
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* Serializes an array as a string.
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*

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