npm package: @stdlib/ndarray-base-dtypes2signatures
Description: Transform a list of array argument data types into a list of signatures.
Author: The Stdlib Authors
Latest version: 0.2.3

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    About stdlib...
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# dtypes2signatures

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

> Transform a list of array argument data types into a list of signatures.

<!-- 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>

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<!-- Package usage documentation. -->

<section class="installation">

## Installation

```bash
npm install @stdlib/ndarray-base-dtypes2signatures
```

</section>

<section class="usage">

## Usage

```javascript
var dtypes2signatures = require( '@stdlib/ndarray-base-dtypes2signatures' );
```

#### dtypes2signatures( dtypes, nin, nout )

Transforms a list of array argument data types into a list of signatures, where `nin` is the number of input array arguments and `nout` is the number of output array arguments.

```javascript
var dtypes = [ 'float32', 'float64' ];

var out = dtypes2signatures( dtypes, 1, 1 );
// returns [ '(float32) => (float64)' ]

out = dtypes2signatures( dtypes, 2, 0 );
// returns [ '(float32, float64) => ()' ]

out = dtypes2signatures( dtypes, 0, 2 );
// returns [ '() => (float32, float64)' ]
```

</section>

<!-- /.usage -->

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<section class="notes">

</section>

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<!-- Package usage examples. -->

<section class="examples">

## Examples

<!-- eslint-disable array-element-newline -->

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

```javascript
var dtypes2signatures = require( '@stdlib/ndarray-base-dtypes2signatures' );

var dtypes = [
    'float64', 'float64',
    'float64', 'generic',

    'float32', 'float32',
    'float32', 'float64',
    'float32', 'generic',

    'generic', 'generic',

    'int32', 'int32',
    'int32', 'uint32',
    'int32', 'float64',
    'int32', 'generic',

    'int16', 'int16',
    'int16', 'int32',
    'int16', 'uint16',
    'int16', 'uint32',
    'int16', 'float32',
    'int16', 'float64',
    'int16', 'generic',

    'int8', 'int8',
    'int8', 'int16',
    'int8', 'int32',
    'int8', 'uint8',
    'int8', 'uint8c',
    'int8', 'uint16',
    'int8', 'uint32',
    'int8', 'float32',
    'int8', 'float64',
    'int8', 'generic',

    'uint32', 'uint32',
    'uint32', 'float64',
    'uint32', 'generic',

    'uint16', 'int32',
    'uint16', 'uint16',
    'uint16', 'uint32',
    'uint16', 'float32',
    'uint16', 'float64',
    'uint16', 'generic',

    'uint8', 'int16',
    'uint8', 'int32',
    'uint8', 'uint8',
    'uint8', 'uint8c',
    'uint8', 'uint16',
    'uint8', 'uint32',
    'uint8', 'float32',
    'uint8', 'float64',
    'uint8', 'generic',

    'uint8c', 'int16',
    'uint8c', 'int32',
    'uint8c', 'uint8',
    'uint8c', 'uint8c',
    'uint8c', 'uint16',
    'uint8c', 'uint32',
    'uint8c', 'float32',
    'uint8c', 'float64',
    'uint8c', 'generic'
];

var sigs = dtypes2signatures( dtypes, 1, 1 );
console.log( sigs );
```

</section>

<!-- /.examples -->

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* * *

## 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

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---

## License

See [LICENSE][stdlib-license].


## Copyright

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

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