feat: add array/base/ones2d

lib/node_modules/@stdlib/array/base/ones2d/README.md

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+<!--
+
+@license Apache-2.0
+
+Copyright (c) 2023 The Stdlib Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+-->
+
+# ones2d
+
+> Create a two-dimensional nested array filled with ones.
+
+<!-- Section to include introductory text. Make sure to keep an empty line after the intro `section` element and another before the `/section` close. -->
+
+<section class="intro">
+
+</section>
+
+<!-- /.intro -->
+
+<!-- Package usage documentation. -->
+
+<section class="usage">
+
+## Usage
+
+```javascript
+var ones2d = require( '@stdlib/array/base/ones2d' );
+```
+
+#### ones2d( shape )
+
+Returns a two-dimensional nested array filled with ones.
+
+```javascript
+var out = ones2d( [ 2, 3 ] );
+// returns [ [ 1.0, 1.0, 1.0 ], [ 1.0, 1.0, 1.0 ] ]
+```
+
+</section>
+
+<!-- /.usage -->
+
+<!-- Package usage notes. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
+
+<section class="notes">
+
+</section>
+
+<!-- /.notes -->
+
+<!-- Package usage examples. -->
+
+<section class="examples">
+
+## Examples
+
+<!-- eslint no-undef: "error" -->
+
+```javascript
+var gscal = require( '@stdlib/blas/base/gscal' );
+var ones2d = require( '@stdlib/array/base/ones2d' );
+
+// Create a ones-filled array:
+var arr = ones2d( [ 5, 10 ] );
+
+// Scale element values...
+gscal( arr[ 0 ].length, 2.0, arr[ 0 ], 1 );
+gscal( arr[ 1 ].length, 3.0, arr[ 1 ], 1 );
+gscal( arr[ 2 ].length, 4.0, arr[ 2 ], 1 );
+gscal( arr[ 3 ].length, 5.0, arr[ 3 ], 1 );
+gscal( arr[ 4 ].length, 6.0, arr[ 4 ], 1 );
+
+console.log( arr );
+// => [ [ 2.0, 2.0, ... ], [ 3.0, 3.0, ... ], [ 4.0, 4.0, ... ], [ 5.0, 5.0, ... ], [ 6.0, 6.0, ... ] ]
+```
+
+</section>
+
+<!-- /.examples -->
+
+<!-- Section to include cited references. If references are included, add a horizontal rule *before* the section. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
+
+<section class="references">
+
+</section>
+
+<!-- /.references -->
+
+<!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. -->
+
+<section class="related">
+
+</section>
+
+<!-- /.related -->
+
+<!-- Section for all links. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
+
+<section class="links">
+
+</section>
+
+<!-- /.links -->

lib/node_modules/@stdlib/array/base/ones2d/benchmark/benchmark.size.js

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+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2023 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+// MODULES //
+
+var bench = require( '@stdlib/bench' );
+var pow = require( '@stdlib/math/base/special/pow' );
+var floor = require( '@stdlib/math/base/special/floor' );
+var sqrt = require( '@stdlib/math/base/special/sqrt' );
+var isArrayArray = require( '@stdlib/assert/is-array-array' );
+var pkg = require( './../package.json' ).name;
+var ones2d = require( './../lib' );
+
+
+// FUNCTIONS //
+
+/**
+* Creates a benchmark function.
+*
+* @private
+* @param {PositiveInteger} N - array lengths
+* @returns {Function} benchmark function
+*/
+function createBenchmark( N ) {
+	return benchmark;
+
+	/**
+	* Benchmark function.
+	*
+	* @private
+	* @param {Benchmark} b - benchmark instance
+	*/
+	function benchmark( b ) {
+		var out;
+		var i;
+
+		b.tic();
+		for ( i = 0; i < b.iterations; i++ ) {
+			out = ones2d( [ N, N ] );
+			if ( typeof out !== 'object' ) {
+				b.fail( 'should return an array of arrays' );
+			}
+		}
+		b.toc();
+		if ( !isArrayArray( out ) ) {
+			b.fail( 'should return an array of arrays' );
+		}
+		b.pass( 'benchmark finished' );
+		b.end();
+	}
+}
+
+
+// MAIN //
+
+/**
+* Main execution sequence.
+*
+* @private
+*/
+function main() {
+	var min;
+	var max;
+	var N;
+	var f;
+	var i;
+
+	min = 1; // 10^min
+	max = 6; // 10^max
+
+	for ( i = min; i <= max; i++ ) {
+		N = floor( sqrt( pow( 10, i ) ) );
+
+		f = createBenchmark( N );
+		bench( pkg+'::square_matrix:size='+(N*N), f );
+	}
+}
+
+main();

lib/node_modules/@stdlib/array/base/ones2d/docs/repl.txt

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+
+{{alias}}( shape )
+    Returns a two-dimensional nested array filled with ones.
+
+    Parameters
+    ----------
+    shape: Array<integer>
+        Array shape.
+
+    Returns
+    -------
+    out: Array
+        Output array.
+
+    Examples
+    --------
+    > var out = {{alias}}( [ 1, 3 ] )
+    [ [ 1.0, 1.0, 1.0 ] ]
+
+    See Also
+    --------
+

lib/node_modules/@stdlib/array/base/ones2d/docs/types/index.d.ts

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+/*
+* @license Apache-2.0
+*
+* Copyright (c) 2023 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+// TypeScript Version: 2.0
+
+/// <reference types="@stdlib/types"/>
+
+import { Collection } from '@stdlib/types/object';
+
+/**
+* Returns a two-dimensional nested array filled with ones.
+*
+* @param shape - array shape
+* @returns output array
+*
+* @example
+* var out = ones2d( [ 1, 3 ] );
+* // returns [ [ 1.0, 1.0, 1.0 ] ]
+*/
+declare function ones2d( shape: Collection<number> ): Array<Array<number>>;
+
+
+// EXPORTS //
+
+export = ones2d;

lib/node_modules/@stdlib/array/base/ones2d/docs/types/test.ts

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+/*
+* @license Apache-2.0
+*
+* Copyright (c) 2023 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+import ones2d = require( './index' );
+
+
+// TESTS //
+
+// The function returns an array of arrays...
+{
+	ones2d( [ 1, 3 ] ); // $ExpectType number[][]
+}
+
+// The compiler throws an error if the function is provided a first argument which is not an array of numbers...
+{
+	ones2d( 'abc' ); // $ExpectError
+	ones2d( true ); // $ExpectError
+	ones2d( false ); // $ExpectError
+	ones2d( null ); // $ExpectError
+	ones2d( [ '1' ] ); // $ExpectError
+	ones2d( {} ); // $ExpectError
+	ones2d( ( x: number ): number => x ); // $ExpectError
+}
+
+// The compiler throws an error if the function is provided an unsupported number of arguments...
+{
+	ones2d(); // $ExpectError
+	ones2d( [ 1, 3 ], 2 ); // $ExpectError
+}

lib/node_modules/@stdlib/array/base/ones2d/examples/index.js

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+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2023 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+var gscal = require( '@stdlib/blas/base/gscal' );
+var ones2d = require( './../lib' );
+
+// Create a ones-filled array:
+var arr = ones2d( [ 5, 10 ] );
+
+// Scale element values...
+gscal( arr[ 0 ].length, 2.0, arr[ 0 ], 1 );
+gscal( arr[ 1 ].length, 3.0, arr[ 1 ], 1 );
+gscal( arr[ 2 ].length, 4.0, arr[ 2 ], 1 );
+gscal( arr[ 3 ].length, 5.0, arr[ 3 ], 1 );
+gscal( arr[ 4 ].length, 6.0, arr[ 4 ], 1 );
+
+console.log( arr );
+// => [ [ 2.0, 2.0, ... ], [ 3.0, 3.0, ... ], [ 4.0, 4.0, ... ], [ 5.0, 5.0, ... ], [ 6.0, 6.0, ... ] ]

lib/node_modules/@stdlib/array/base/ones2d/lib/index.js

@@ -0,0 +1,40 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2023 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+/**
+* Create a two-dimensional nested array filled with ones.
+*
+* @module @stdlib/array/base/ones2d
+*
+* @example
+* var ones2d = require( '@stdlib/array/base/ones2d' );
+*
+* var out = ones2d( [ 1, 3 ] );
+* // returns [ [ 1.0, 1.0, 1.0 ] ]
+*/
+
+// MODULES //
+
+var main = require( './main.js' );
+
+
+// EXPORTS //
+
+module.exports = main;