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base/copy-indexed/README.md

@@ -64,7 +64,7 @@ var bool = ( out === x );
 
 ## Notes
 
--   An _indexed_ array-like object is a data structure in which one retrieves elements via integer indices using bracket `[]` notation (e.g., `Float64Array`, `Int32Array`, `Array`, etc). This is in contrast to an _accessor_ array-like object in which one retrieves elements using `get` and `set` methods (e.g., `Complex64Array` and `Complex128Array`).
+-   An _indexed_ array-like object is a data structure in which one retrieves elements via integer indices using bracket `[]` notation (e.g., `Float64Array`, `Int32Array`, `Array`, etc). This is in contrast to an _accessor_ array-like object in which one retrieves elements using `get` and `set` methods (e.g., [`Complex64Array`][@stdlib/array/complex64] and [`Complex128Array`][@stdlib/array/complex128]).
 
 </section>
 
@@ -120,6 +120,10 @@ console.log( '%d', x );
 
 <section class="links">
 
+[@stdlib/array/complex64]: https://github.com/stdlib-js/array/tree/main/complex64
+
+[@stdlib/array/complex128]: https://github.com/stdlib-js/array/tree/main/complex128
+
 </section>
 
 <!-- /.links -->

base/count-truthy/README.md

@@ -0,0 +1,113 @@
+<!--
+
+@license Apache-2.0
+
+Copyright (c) 2024 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.
+
+-->
+
+# countTruthy
+
+> Count the number of truthy elements in an array.
+
+<!-- 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 countTruthy = require( '@stdlib/array/base/count-truthy' );
+```
+
+#### countTruthy( x )
+
+Counts the number of truthy elements in an array.
+
+```javascript
+var x = [ 0, 1, 0, 1, 2 ];
+
+var out = countTruthy( x );
+// returns 3
+```
+
+</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 bernoulli = require( '@stdlib/random/array/bernoulli' );
+var countTruthy = require( '@stdlib/array/base/count-truthy' );
+
+var x = bernoulli( 100, 0.5, {
+    'dtype': 'generic'
+});
+console.log( x );
+
+var n = countTruthy( x );
+console.log( n );
+```
+
+</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 -->

base/count-truthy/benchmark/benchmark.length.js

@@ -0,0 +1,98 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2024 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 isNonNegativeInteger = require( '@stdlib/assert/is-nonnegative-integer' ).isPrimitive;
+var bernoulli = require( '@stdlib/random/array/bernoulli' );
+var pkg = require( './../package.json' ).name;
+var countTruthy = require( './../lib' );
+
+
+// FUNCTIONS //
+
+/**
+* Creates a benchmark function.
+*
+* @private
+* @param {PositiveInteger} len - array length
+* @returns {Function} benchmark function
+*/
+function createBenchmark( len ) {
+	var x = bernoulli( len, 0.5, {
+		'dtype': 'generic'
+	});
+	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 = countTruthy( x );
+			if ( typeof out !== 'number' ) {
+				b.fail( 'should return a number' );
+			}
+		}
+		b.toc();
+		if ( !isNonNegativeInteger( out ) ) {
+			b.fail( 'should return a nonnegative integer' );
+		}
+		b.pass( 'benchmark finished' );
+		b.end();
+	}
+}
+
+
+// MAIN //
+
+/**
+* Main execution sequence.
+*
+* @private
+*/
+function main() {
+	var len;
+	var min;
+	var max;
+	var f;
+	var i;
+
+	min = 1; // 10^min
+	max = 6; // 10^max
+
+	for ( i = min; i <= max; i++ ) {
+		len = pow( 10, i );
+
+		f = createBenchmark( len );
+		bench( pkg+':dtype=generic,len='+len, f );
+	}
+}
+
+main();

base/count-truthy/docs/repl.txt

@@ -0,0 +1,22 @@
+
+{{alias}}( x )
+    Counts the number of truthy values in an array.
+
+    Parameters
+    ----------
+    x: ArrayLikeObject
+        Input array.
+
+    Returns
+    -------
+    out: integer
+        Number of truthy values.
+
+    Examples
+    --------
+    > var out = {{alias}}( [ 0, 1, 1 ] )
+    2
+
+    See Also
+    --------
+

base/count-truthy/docs/types/index.d.ts

@@ -0,0 +1,42 @@
+/*
+* @license Apache-2.0
+*
+* Copyright (c) 2024 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: 4.1
+
+/// <reference types="@stdlib/types"/>
+
+import { Collection } from '@stdlib/types/array';
+
+/**
+* Counts the number of truthy values in an array.
+*
+* @param x - input array
+* @returns number of truthy values
+*
+* @example
+* var x = [ 0, 1, 0, 1, 1 ];
+*
+* var out = countTruthy( x );
+* // returns 3
+*/
+declare function countTruthy( x: Collection ): number;
+
+
+// EXPORTS //
+
+export = countTruthy;

base/count-truthy/docs/types/test.ts

@@ -0,0 +1,42 @@
+/*
+* @license Apache-2.0
+*
+* Copyright (c) 2024 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 countTruthy = require( './index' );
+
+
+// TESTS //
+
+// The function returns a number...
+{
+	countTruthy( [ 1, 2, 3 ] ); // $ExpectType number
+}
+
+// The compiler throws an error if the function is provided an argument which is not a collection...
+{
+	countTruthy( 5 ); // $ExpectError
+	countTruthy( true ); // $ExpectError
+	countTruthy( false ); // $ExpectError
+	countTruthy( null ); // $ExpectError
+	countTruthy( {} ); // $ExpectError
+}
+
+// The compiler throws an error if the function is provided an unsupported number of arguments...
+{
+	countTruthy(); // $ExpectError
+	countTruthy( [ 1, 2, 3 ], 2 ); // $ExpectError
+}

base/count-truthy/examples/index.js

@@ -0,0 +1,30 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2024 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 bernoulli = require( '@stdlib/random/array/bernoulli' );
+var countTruthy = require( './../lib' );
+
+var x = bernoulli( 100, 0.5, {
+	'dtype': 'generic'
+});
+console.log( x );
+
+var n = countTruthy( x );
+console.log( n );