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bench: add benchmarks
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‎docs/migration-guides/mathjs/benchmark/benchmark.abs.array.float64.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 resolve = require( 'path' ).resolve;
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var bench = require( '@stdlib/bench' );
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var isnan = require( '@stdlib/math/base/assert/is-nan' );
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var filledBy = require( '@stdlib/array/filled-by' );
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var zeros = require( '@stdlib/array/zeros' );
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var uniform = require( '@stdlib/random/base/uniform' ).factory;
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var dabs = require( '@stdlib/math/strided/special/dabs' );
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var abs = require( '@stdlib/math/special/abs' );
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var tryRequire = require( '@stdlib/utils/try-require' );
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var pkg = require( './../package.json' ).name;
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// VARIABLES //
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var mathjs = tryRequire( resolve( __dirname, '..', 'node_modules', 'mathjs' ) );
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var opts = {
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'skip': ( mathjs instanceof Error )
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};
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// MAIN //
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bench( pkg+'::stdlib:math/strided/special/dabs:value=array,dtype=float64,len=100', opts, function benchmark( b ) {
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var x;
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var y;
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var i;
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x = filledBy( 100, 'float64', uniform( -100.0, 100.0 ) );
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y = zeros( x.length, 'float64' );
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b.tic();
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for ( i = 0; i < b.iterations; i++ ) {
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dabs( x.length, x, 1, y, 1 );
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if ( isnan( y[ 0 ] ) || isnan( y[ y.length-1 ] ) ) {
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b.fail( 'should not return NaN' );
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}
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}
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b.toc();
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if ( isnan( y[ 0 ] ) || isnan( y[ y.length-1 ] ) ) {
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b.fail( 'should not return NaN' );
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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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bench( pkg+'::stdlib:math/special/abs:value=array,dtype=float64,len=100', opts, function benchmark( b ) {
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var x;
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var y;
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var i;
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x = filledBy( 100, 'float64', uniform( -100.0, 100.0 ) );
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b.tic();
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for ( i = 0; i < b.iterations; i++ ) {
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y = abs( x );
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if ( isnan( y[ 0 ] ) || isnan( y[ y.length-1 ] ) ) {
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b.fail( 'should not return NaN' );
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}
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}
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b.toc();
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if ( isnan( y[ 0 ] ) || isnan( y[ y.length-1 ] ) ) {
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b.fail( 'should not return NaN' );
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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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// NOTE: Math.js does not seem to accept typed arrays for element-wise functions
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bench( pkg+'::mathjs:abs:value=array,dtype=float64,len=100', {
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'skip': true
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}, function benchmark( b ) {
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var x;
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var y;
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var i;
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x = filledBy( 100, 'float64', uniform( -100.0, 100.0 ) );
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b.tic();
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for ( i = 0; i < b.iterations; i++ ) {
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y = mathjs.abs( x );
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if ( isnan( y[ 0 ] ) || isnan( y[ y.length-1 ] ) ) {
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b.fail( 'should not return NaN' );
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}
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}
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b.toc();
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if ( isnan( y[ 0 ] ) || isnan( y[ y.length-1 ] ) ) {
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b.fail( 'should not return NaN' );
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}
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b.pass( 'benchmark finished' );
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b.end();
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});

‎docs/migration-guides/mathjs/benchmark/benchmark.abs.array.generic.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 resolve = require( 'path' ).resolve;
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var bench = require( '@stdlib/bench' );
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var isnan = require( '@stdlib/math/base/assert/is-nan' );
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var filledBy = require( '@stdlib/array/filled-by' );
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var zeros = require( '@stdlib/array/zeros' );
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var uniform = require( '@stdlib/random/base/uniform' ).factory;
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var stridedAbs = require( '@stdlib/math/strided/special/abs' );
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var abs = require( '@stdlib/math/special/abs' );
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var tryRequire = require( '@stdlib/utils/try-require' );
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var pkg = require( './../package.json' ).name;
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// VARIABLES //
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var mathjs = tryRequire( resolve( __dirname, '..', 'node_modules', 'mathjs' ) );
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var opts = {
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'skip': ( mathjs instanceof Error )
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};
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// MAIN //
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bench( pkg+'::stdlib:math/strided/special/abs:value=array,dtype=generic,len=100', opts, function benchmark( b ) {
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var x;
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var y;
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var i;
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x = filledBy( 100, 'generic', uniform( -100.0, 100.0 ) );
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y = zeros( x.length, 'generic' );
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b.tic();
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for ( i = 0; i < b.iterations; i++ ) {
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stridedAbs( x.length, 'generic', x, 1, 'generic', y, 1 );
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if ( isnan( y[ 0 ] ) || isnan( y[ y.length-1 ] ) ) {
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b.fail( 'should not return NaN' );
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}
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}
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b.toc();
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if ( isnan( y[ 0 ] ) || isnan( y[ y.length-1 ] ) ) {
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b.fail( 'should not return NaN' );
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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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bench( pkg+'::stdlib:math/special/abs:value=array,dtype=generic,len=100', opts, function benchmark( b ) {
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var x;
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var y;
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var i;
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x = filledBy( 100, 'generic', uniform( -100.0, 100.0 ) );
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b.tic();
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for ( i = 0; i < b.iterations; i++ ) {
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y = abs( x );
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if ( isnan( y[ 0 ] ) || isnan( y[ y.length-1 ] ) ) {
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b.fail( 'should not return NaN' );
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}
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}
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b.toc();
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if ( isnan( y[ 0 ] ) || isnan( y[ y.length-1 ] ) ) {
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b.fail( 'should not return NaN' );
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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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bench( pkg+'::mathjs:abs:value=array,dtype=generic,len=100', opts, function benchmark( b ) {
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var x;
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var y;
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var i;
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x = filledBy( 100, 'generic', uniform( -100.0, 100.0 ) );
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b.tic();
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for ( i = 0; i < b.iterations; i++ ) {
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y = mathjs.abs( x );
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if ( isnan( y[ 0 ] ) || isnan( y[ y.length-1 ] ) ) {
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b.fail( 'should not return NaN' );
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}
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}
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b.toc();
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if ( isnan( y[ 0 ] ) || isnan( y[ y.length-1 ] ) ) {
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b.fail( 'should not return NaN' );
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}
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b.pass( 'benchmark finished' );
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b.end();
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});

‎docs/migration-guides/mathjs/benchmark/benchmark.abs.complex_number.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 resolve = require( 'path' ).resolve;
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var bench = require( '@stdlib/bench' );
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var isnan = require( '@stdlib/math/base/assert/is-nan' );
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var Complex128 = require( '@stdlib/complex/float64' );
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var baseCabs = require( '@stdlib/math/base/special/cabs' );
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var abs = require( '@stdlib/math/special/abs' );
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var tryRequire = require( '@stdlib/utils/try-require' );
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var pkg = require( './../package.json' ).name;
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// VARIABLES //
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var mathjs = tryRequire( resolve( __dirname, '..', 'node_modules', 'mathjs' ) );
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var opts = {
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'skip': ( mathjs instanceof Error )
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};
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// MAIN //
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bench( pkg+'::stdlib:math/base/special/cabs:value=complex_number', opts, function benchmark( b ) {
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var x;
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var y;
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var i;
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x = [
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new Complex128( 5.0, 3.0 ),
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new Complex128( -5.0, 3.0 ),
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new Complex128( 5.0, -3.0 ),
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new Complex128( -5.0, -3.0 ),
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new Complex128( 3.0, -4.0 )
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];
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b.tic();
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for ( i = 0; i < b.iterations; i++ ) {
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y = baseCabs( x[ i%x.length ] );
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if ( y !== y ) {
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b.fail( 'should not return NaN' );
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}
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}
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b.toc();
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if ( isnan( y ) ) {
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b.fail( 'should not return NaN' );
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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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bench( pkg+'::stdlib:math/special/abs:value=complex_number', {
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'skip': true
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}, function benchmark( b ) { // FIXME: update once complex supported in top-level abs
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var x;
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var y;
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var i;
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x = [
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new Complex128( 5.0, 3.0 ),
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new Complex128( -5.0, 3.0 ),
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new Complex128( 5.0, -3.0 ),
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new Complex128( -5.0, -3.0 ),
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new Complex128( 3.0, -4.0 )
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];
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b.tic();
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for ( i = 0; i < b.iterations; i++ ) {
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y = abs( x[ i%x.length ] );
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if ( y !== y ) {
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b.fail( 'should not return NaN' );
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}
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}
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b.toc();
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if ( isnan( y ) ) {
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b.fail( 'should not return NaN' );
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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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bench( pkg+'::mathjs:abs:value=complex_number', opts, function benchmark( b ) {
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var x;
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var y;
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var i;
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x = [
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mathjs.complex( 5.0, 3.0 ),
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mathjs.complex( -5.0, 3.0 ),
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mathjs.complex( 5.0, -3.0 ),
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mathjs.complex( -5.0, -3.0 ),
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mathjs.complex( 3.0, -4.0 )
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];
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b.tic();
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for ( i = 0; i < b.iterations; i++ ) {
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y = mathjs.abs( x[ i%x.length ] );
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if ( y !== y ) {
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b.fail( 'should not return NaN' );
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}
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}
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b.toc();
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if ( isnan( y ) ) {
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b.fail( 'should not return NaN' );
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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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