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test: add initial tests
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‎lib/node_modules/@stdlib/lapack/base/dppequ/lib/dppequ.js‎

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@@ -37,6 +37,7 @@ var base = require( './base.js' );
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* @param {Float64Array} S - array to store the scale factors of `A`
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* @param {Float64Array} out - array to store the output
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* @throws {TypeError} first argument must be a valid order
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* @throws {RangeError} third argument must be a nonnegative integer
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* @returns {integer} status code
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*
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* @example
@@ -54,6 +55,9 @@ function dppequ( order, uplo, N, AP, S, out ) {
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if ( !isLayout( order ) ) {
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throw new TypeError( format( 'invalid argument. First argument must be a valid order. Value: `%s`.', order ) );
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}
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if ( N < 0 ) {
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throw new RangeError( format( 'invalid argument. First argument must be a nonnegative integer. Value: `%d`.', N ) );
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}
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return base( order, uplo, N, AP, 1, 0, S, 1, 0, out, 1, 0 );
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}
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‎lib/node_modules/@stdlib/lapack/base/dppequ/test/test.dppequ.js‎

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2024 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 tape = require( 'tape' );
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var Float64Array = require( '@stdlib/array/float64' );
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var dppequ = require( './../lib/dppequ.js' );
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// TESTS //
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tape( 'main export is a function', function test( t ) {
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t.ok( true, __filename );
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t.strictEqual( typeof dppequ, 'function', 'main export is a function' );
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t.end();
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});
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tape( 'the function has an arity of 6', function test( t ) {
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t.strictEqual( dppequ.length, 6, 'returns expected value' );
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t.end();
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});
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tape( 'the function throws an error if provided an invalid third argument', function test( t ) {
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var values;
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var out;
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var AP;
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var S;
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var i;
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values = [
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-1,
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-2,
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-3,
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-4,
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-5
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];
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AP = new Float64Array( [ 1.0, 2.0, 3.0, 5.0, 6.0, 9.0 ] );
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S = new Float64Array( 3 );
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out = new Float64Array( 2 );
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for ( i = 0; i < values.length; i++ ) {
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t.throws( badValue( values[ i ] ), RangeError, 'throws an error when provided ' + values[ i ] );
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}
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t.end();
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function badValue( value ) {
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return function badValue() {
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dppequ( 'row-major', 'L', value, AP, S, out );
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};
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}
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});
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tape( 'the function throws an error if provided a first argument which is not a valid order', function test( t ) {
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var values;
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var out;
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var AP;
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var S;
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var i;
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values = [
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'foo',
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'bar',
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'beep',
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'boop',
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-5,
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NaN,
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true,
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false,
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null,
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void 0,
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[],
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{},
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function noop() {}
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];
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AP = new Float64Array( [ 1.0, 2.0, 3.0, 5.0, 6.0, 9.0 ] );
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S = new Float64Array( 3 );
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out = new Float64Array( 2 );
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for ( i = 0; i < values.length; i++ ) {
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t.throws( badValue( values[ i ] ), TypeError, 'throws an error when provided ' + values[ i ] );
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}
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t.end();
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function badValue( value ) {
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return function badValue() {
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dppequ( value, 'L', 3, AP, S, out );
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};
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}
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});

‎lib/node_modules/@stdlib/lapack/base/dppequ/test/test.js‎

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2025 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 tape = require( 'tape' );
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var proxyquire = require( 'proxyquire' );
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var IS_BROWSER = require( '@stdlib/assert/is-browser' );
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var dppequ = require( './../lib' );
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// VARIABLES //
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var opts = {
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'skip': IS_BROWSER
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};
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// TESTS //
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tape( 'main export is a function', function test( t ) {
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t.ok( true, __filename );
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t.strictEqual( typeof dppequ, 'function', 'main export is a function' );
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t.end();
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});
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tape( 'attached to the main export is a method providing an ndarray interface', function test( t ) {
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t.strictEqual( typeof dppequ.ndarray, 'function', 'method is a function' );
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t.end();
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});
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tape( 'if a native implementation is available, the main export is the native implementation', opts, function test( t ) {
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var dppequ = proxyquire( './../lib', {
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'@stdlib/utils/try-require': tryRequire
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});
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t.strictEqual( dppequ, mock, 'returns expected value' );
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t.end();
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function tryRequire() {
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return mock;
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}
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function mock() {
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// Mock...
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}
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});
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tape( 'if a native implementation is not available, the main export is a JavaScript implementation', opts, function test( t ) {
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var dppequ;
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var main;
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main = require( './../lib/dppequ.js' );
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dppequ = proxyquire( './../lib', {
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'@stdlib/utils/try-require': tryRequire
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});
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t.strictEqual( dppequ, main, 'returns expected value' );
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t.end();
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function tryRequire() {
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return new Error( 'Cannot find module' );
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}
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});

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