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feat: add blas/ext/base/zdiff
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‎lib/node_modules/@stdlib/blas/ext/base/zdiff/README.md‎

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‎lib/node_modules/@stdlib/blas/ext/base/zdiff/benchmark/benchmark.js‎

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2026 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 uniform = require( '@stdlib/random/array/uniform' );
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var isnan = require( '@stdlib/math/base/assert/is-nan' );
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var pow = require( '@stdlib/math/base/special/pow' );
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var Complex128Array = require( '@stdlib/array/complex128' );
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var format = require( '@stdlib/string/format' );
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var pkg = require( './../package.json' ).name;
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var zdiff = require( './../lib/zdiff.js' );
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// VARIABLES //
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var options = {
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'dtype': 'float64'
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};
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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 obuf;
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var wbuf;
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var xbuf;
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var pbuf;
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var abuf;
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var ol;
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var N1;
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var N2;
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var x;
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var p;
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var a;
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var w;
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var o;
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var k;
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var N;
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N = len;
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N1 = 1;
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N2 = 1;
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k = 1;
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ol = N + N1 + N2 - k;
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xbuf = uniform( N*2, -100.0, 100.0, options );
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pbuf = uniform( N1*2, -100.0, 100.0, options );
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abuf = uniform( N2*2, -100.0, 100.0, options );
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wbuf = uniform( (N+N1+N2-1)*2, -100.0, 100.0, options );
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obuf = uniform( ol*2, -100.0, 100.0, options );
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x = new Complex128Array( xbuf.buffer );
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p = new Complex128Array( pbuf.buffer );
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a = new Complex128Array( abuf.buffer );
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w = new Complex128Array( wbuf.buffer );
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o = new Complex128Array( obuf.buffer );
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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 i;
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b.tic();
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for ( i = 0; i < b.iterations; i++ ) {
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zdiff( N, k, x, 1, N1, p, 1, N2, a, 1, o, 1, w, 1 );
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if ( isnan( obuf[ i%(ol*2) ] ) ) {
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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( obuf[ i%(ol*2) ] ) ) {
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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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}
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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( format( '%s:len=%d', pkg, len ), f );
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}
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}
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main();

‎lib/node_modules/@stdlib/blas/ext/base/zdiff/benchmark/benchmark.native.js‎

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2026 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 uniform = require( '@stdlib/random/array/uniform' );
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var isnan = require( '@stdlib/math/base/assert/is-nan' );
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var pow = require( '@stdlib/math/base/special/pow' );
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var Complex128Array = require( '@stdlib/array/complex128' );
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var format = require( '@stdlib/string/format' );
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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 options = {
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'dtype': 'float64'
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};
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var zdiff = tryRequire( resolve( __dirname, './../lib/zdiff.native.js' ) );
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var opts = {
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'skip': ( zdiff instanceof Error )
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};
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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 obuf;
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var wbuf;
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var xbuf;
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var pbuf;
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var abuf;
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var ol;
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var N1;
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var N2;
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var x;
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var p;
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var a;
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var w;
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var o;
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var k;
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var N;
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N = len;
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N1 = 1;
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N2 = 1;
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k = 1;
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ol = N + N1 + N2 - k;
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xbuf = uniform( N*2, -100.0, 100.0, options );
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pbuf = uniform( N1*2, -100.0, 100.0, options );
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abuf = uniform( N2*2, -100.0, 100.0, options );
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wbuf = uniform( (N+N1+N2-1)*2, -100.0, 100.0, options );
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obuf = uniform( ol*2, -100.0, 100.0, options );
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x = new Complex128Array( xbuf.buffer );
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p = new Complex128Array( pbuf.buffer );
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a = new Complex128Array( abuf.buffer );
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w = new Complex128Array( wbuf.buffer );
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o = new Complex128Array( obuf.buffer );
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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 i;
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b.tic();
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for ( i = 0; i < b.iterations; i++ ) {
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zdiff( N, k, x, 1, N1, p, 1, N2, a, 1, o, 1, w, 1 );
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if ( isnan( obuf[ i%(ol*2) ] ) ) {
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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( obuf[ i%(ol*2) ] ) ) {
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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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}
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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( format( '%s::native:len=%d', pkg, len ), opts, f );
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}
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}
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main();

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