npm package: @stdlib/math-array-tools
Description: Math array function tools.
Author: The Stdlib Authors
Latest version: 0.1.1

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<details>
  <summary>
    About stdlib...
  </summary>
  <p>We believe in a future in which the web is a preferred environment for numerical computation. To help realize this future, we've built stdlib. stdlib is a standard library, with an emphasis on numerical and scientific computation, written in JavaScript (and C) for execution in browsers and in Node.js.</p>
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</details>

# Tools

[![NPM version][npm-image]][npm-url] [![Build Status][test-image]][test-url] [![Coverage Status][coverage-image]][coverage-url] <!-- [![dependencies][dependencies-image]][dependencies-url] -->

> Math array function tools.

<section class="installation">

## Installation

```bash
npm install @stdlib/math-array-tools
```

</section>

<section class="usage">

## Usage

```javascript
var ns = require( '@stdlib/math-array-tools' );
```

#### ns

Namespace containing tools for applying mathematical functions to arrays.

```javascript
var o = ns;
// returns {...}
```

The namespace contains the following:

<!-- <toc pattern="*"> -->

<div class="namespace-toc">

-   <span class="signature">[`unaryFactory( fcn, idtypes, odtypes, policy )`][@stdlib/math/array/tools/unary-factory]</span><span class="delimiter">: </span><span class="description">create a function for applying a unary function to each element in an input array.</span>
-   <span class="signature">[`unary( fcn, idtypes, odtypes, policy )`][@stdlib/math/array/tools/unary]</span><span class="delimiter">: </span><span class="description">constructor for applying a unary function to each element in an input array.</span>

</div>

<!-- </toc> -->

</section>

<!-- /.usage -->

<section class="examples">

## Examples

<!-- eslint no-undef: "error" -->

```javascript
var abs = require( '@stdlib/math-base-special-abs' );
var ns = require( '@stdlib/math-array-tools' );

// Define a list of supported input dtypes:
var idtypes = [
    'float64',
    'float32',
    'generic'
];

// Define a list of supported output dtypes:
var odtypes = [
    'float64',
    'float32',
    'generic'
];

// Create a function for applying a unary function to each element of an array:
var f = new ns.unary( abs, idtypes, odtypes, 'same' );

// Create an input array:
var x = [ -1.0, 2.0, -3.0, 4.0 ];

// Perform element-wise computation:
var out = f.apply( x );
// returns [ 1.0, 2.0, 3.0, 4.0 ]
```

</section>

<!-- /.examples -->

<!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. -->

<section class="related">

</section>

<!-- /.related -->

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<section class="main-repo" >

* * *

## Notice

This package is part of [stdlib][stdlib], a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.

For more information on the project, filing bug reports and feature requests, and guidance on how to develop [stdlib][stdlib], see the main project [repository][stdlib].

#### Community

[![Chat][chat-image]][chat-url]

---

## License

See [LICENSE][stdlib-license].


## Copyright

Copyright &copy; 2016-2026. The Stdlib [Authors][stdlib-authors].

</section>

<!-- /.stdlib -->

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[npm-image]: http://img.shields.io/npm/v/@stdlib/math-array-tools.svg
[npm-url]: https://npmjs.org/package/@stdlib/math-array-tools

[test-image]: https://github.com/stdlib-js/math-array-tools/actions/workflows/test.yml/badge.svg?branch=v0.1.1
[test-url]: https://github.com/stdlib-js/math-array-tools/actions/workflows/test.yml?query=branch:v0.1.1

[coverage-image]: https://img.shields.io/codecov/c/github/stdlib-js/math-array-tools/main.svg
[coverage-url]: https://codecov.io/github/stdlib-js/math-array-tools?branch=main

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[stdlib]: https://github.com/stdlib-js/stdlib

[stdlib-authors]: https://github.com/stdlib-js/stdlib/graphs/contributors

[umd]: https://github.com/umdjs/umd
[es-module]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Modules

[deno-url]: https://github.com/stdlib-js/math-array-tools/tree/deno
[deno-readme]: https://github.com/stdlib-js/math-array-tools/blob/deno/README.md
[umd-url]: https://github.com/stdlib-js/math-array-tools/tree/umd
[umd-readme]: https://github.com/stdlib-js/math-array-tools/blob/umd/README.md
[esm-url]: https://github.com/stdlib-js/math-array-tools/tree/esm
[esm-readme]: https://github.com/stdlib-js/math-array-tools/blob/esm/README.md
[branches-url]: https://github.com/stdlib-js/math-array-tools/blob/main/branches.md

[stdlib-license]: https://raw.githubusercontent.com/stdlib-js/math-array-tools/main/LICENSE

<!-- <toc-links> -->

[@stdlib/math/array/tools/unary-factory]: https://www.npmjs.com/package/@stdlib/math-array-tools-unary-factory

[@stdlib/math/array/tools/unary]: https://www.npmjs.com/package/@stdlib/math-array-tools-unary

<!-- </toc-links> -->

</section>

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