npm package: @stdlib/array-base-one-to
Description: Generate a linearly spaced numeric array whose elements increment by 1 starting from one.
Author: The Stdlib Authors
Latest version: 0.2.3

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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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# oneTo

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

> Generate a linearly spaced numeric array whose elements increment by 1 starting from one.

<section class="installation">

## Installation

```bash
npm install @stdlib/array-base-one-to
```

</section>

<section class="usage">

## Usage

```javascript
var oneTo = require( '@stdlib/array-base-one-to' );
```

#### oneTo( n )

Generates a linearly spaced numeric array whose elements increment by `1` starting from one.

```javascript
var arr = oneTo( 6 );
// returns [ 1, 2, 3, 4, 5, 6 ]
```

If `n <= 0`, the function returns an empty array.

```javascript
var arr = oneTo( 0 );
// returns []

arr = oneTo( -1 );
// returns []
```

If `n` is a non-integer value greater than zero, the function returns an array having `ceil(n)` elements.

```javascript
var arr = oneTo( 5.1 );
// returns [ 1, 2, 3, 4, 5, 6 ]
```

#### oneTo.assign( out, stride, offset )

Fills an array with linearly spaced numeric elements which increment by 1 starting from one.

```javascript
var out = [ 0, 0, 0, 0, 0, 0 ];

var arr = oneTo.assign( out, -1, out.length-1 );
// returns [ 6, 5, 4, 3, 2, 1 ]

var bool = ( arr === out );
// returns true
```

</section>

<!-- /.usage -->

<section class="notes">

</section>

<!-- /.notes -->

<section class="examples">

## Examples

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

```javascript
var sort2hp = require( '@stdlib/blas-ext-base-gsort2hp' );
var filledBy = require( '@stdlib/array-base-filled-by' );
var randu = require( '@stdlib/random-base-randu' );
var oneTo = require( '@stdlib/array-base-one-to' );

// Generate an array of random numbers:
var x = filledBy( 10, randu );

// Generate a linearly-spaced array:
var y = oneTo( x.length );

// Create a temporary array to avoid mutation:
var tmp = x.slice();

// Sort `y` according to the sort order of `x`:
sort2hp( x.length, 1, tmp, 1, y, 1 );

console.log( x );
console.log( y );
```

</section>

<!-- /.examples -->

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

<section class="related">

* * *

## See Also

-   <span class="package-name">[`@stdlib/array-base/zero-to`][@stdlib/array/base/zero-to]</span><span class="delimiter">: </span><span class="description">generate a linearly spaced numeric array whose elements increment by 1 starting from zero.</span>
-   <span class="package-name">[`@stdlib/array-base/ones`][@stdlib/array/base/ones]</span><span class="delimiter">: </span><span class="description">create a generic array filled with ones.</span>

</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="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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<section class="links">

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

[test-image]: https://github.com/stdlib-js/array-base-one-to/actions/workflows/test.yml/badge.svg?branch=v0.2.3
[test-url]: https://github.com/stdlib-js/array-base-one-to/actions/workflows/test.yml?query=branch:v0.2.3

[coverage-image]: https://img.shields.io/codecov/c/github/stdlib-js/array-base-one-to/main.svg
[coverage-url]: https://codecov.io/github/stdlib-js/array-base-one-to?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/array-base-one-to/tree/deno
[deno-readme]: https://github.com/stdlib-js/array-base-one-to/blob/deno/README.md
[umd-url]: https://github.com/stdlib-js/array-base-one-to/tree/umd
[umd-readme]: https://github.com/stdlib-js/array-base-one-to/blob/umd/README.md
[esm-url]: https://github.com/stdlib-js/array-base-one-to/tree/esm
[esm-readme]: https://github.com/stdlib-js/array-base-one-to/blob/esm/README.md
[branches-url]: https://github.com/stdlib-js/array-base-one-to/blob/main/branches.md

[stdlib-license]: https://raw.githubusercontent.com/stdlib-js/array-base-one-to/main/LICENSE

<!-- <related-links> -->

[@stdlib/array/base/zero-to]: https://www.npmjs.com/package/@stdlib/array-base-zero-to

[@stdlib/array/base/ones]: https://www.npmjs.com/package/@stdlib/array-base-ones

<!-- </related-links> -->

</section>

<!-- /.links -->