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Add lastIndexOf benchmarks
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‎lib/node_modules/@stdlib/array/float32/benchmark/benchmark.last_index_of.js

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2018 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 pkg = require( './../package.json' ).name;
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var Float32Array = require( './../lib' );
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// MAIN //
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bench( pkg+':lastIndexOf', function benchmark( b ) {
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var out;
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var arr;
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var v;
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var i;
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arr = new Float32Array( 2 );
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// Benchmark worst case scenario...
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b.tic();
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for ( i = 0; i < b.iterations; i++ ) {
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v = (i%127) + 1.0;
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out = arr.lastIndexOf( v );
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if ( out !== -1 ) {
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b.fail( 'should return -1' );
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}
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}
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b.toc();
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if ( out !== -1 ) {
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b.fail( 'should return -1' );
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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/float32/benchmark/benchmark.last_index_of.length.js

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2018 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 pow = require( '@stdlib/math/base/special/pow' );
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var pkg = require( './../package.json' ).name;
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var Float32Array = 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 = new Float32Array( len );
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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 v;
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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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v = (i%127) + 1.0;
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out = arr.lastIndexOf( v );
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if ( out !== -1 ) {
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b.fail( 'should return -1' );
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}
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}
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b.toc();
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if ( out !== -1 ) {
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b.fail( 'should return -1' );
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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+':lastIndexOf:len='+len, f );
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}
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}
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main();

‎lib/node_modules/@stdlib/array/float64/benchmark/benchmark.last_index_of.js

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2018 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 pkg = require( './../package.json' ).name;
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var Float64Array = require( './../lib' );
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// MAIN //
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bench( pkg+':lastIndexOf', function benchmark( b ) {
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var out;
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var arr;
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var v;
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var i;
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arr = new Float64Array( 2 );
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// Benchmark worst case scenario...
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b.tic();
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for ( i = 0; i < b.iterations; i++ ) {
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v = (i%127) + 1.0;
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out = arr.lastIndexOf( v );
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if ( out !== -1 ) {
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b.fail( 'should return -1' );
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}
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}
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b.toc();
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if ( out !== -1 ) {
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b.fail( 'should return -1' );
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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/float64/benchmark/benchmark.last_index_of.length.js

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2018 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 pow = require( '@stdlib/math/base/special/pow' );
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var pkg = require( './../package.json' ).name;
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var Float64Array = 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 = new Float64Array( len );
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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 v;
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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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v = (i%127) + 1.0;
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out = arr.lastIndexOf( v );
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if ( out !== -1 ) {
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b.fail( 'should return -1' );
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}
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}
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b.toc();
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if ( out !== -1 ) {
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b.fail( 'should return -1' );
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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+':lastIndexOf:len='+len, f );
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}
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}
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main();

‎lib/node_modules/@stdlib/array/int16/benchmark/benchmark.last_index_of.js

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2018 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 pkg = require( './../package.json' ).name;
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var Int16Array = require( './../lib' );
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// MAIN //
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bench( pkg+':lastIndexOf', function benchmark( b ) {
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var out;
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var arr;
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var v;
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var i;
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arr = new Int16Array( 2 );
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// Benchmark worst case scenario...
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b.tic();
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for ( i = 0; i < b.iterations; i++ ) {
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v = (i%127) + 1;
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out = arr.lastIndexOf( v );
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if ( out !== -1 ) {
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b.fail( 'should return -1' );
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}
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}
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b.toc();
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if ( out !== -1 ) {
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b.fail( 'should return -1' );
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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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