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https://github.com/stdlib-js/constants-float32-ln-two

Natural logarithm of 2 as a single-precision floating-point number.
https://github.com/stdlib-js/constants-float32-ln-two

const constant float32 floating-point ieee754 javascript ln ln2 log logarithm math mathematics natural node node-js nodejs precision sgl single stdlib

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Natural logarithm of 2 as a single-precision floating-point number.

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README 

        



  

    About stdlib...

  

  
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# FLOAT32_LN2



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



> [Natural logarithm][@stdlib/math/base/special/lnf] of `2` as a single-precision floating-point number.



## Installation



```bash

npm install @stdlib/constants-float32-ln-two

```



Alternatively,



-   To load the package in a website via a `script` tag without installation and bundlers, use the [ES Module][es-module] available on the [`esm`][esm-url] branch (see [README][esm-readme]).

-   If you are using Deno, visit the [`deno`][deno-url] branch (see [README][deno-readme] for usage intructions).

-   For use in Observable, or in browser/node environments, use the [Universal Module Definition (UMD)][umd] build available on the [`umd`][umd-url] branch (see [README][umd-readme]).



The [branches.md][branches-url] file summarizes the available branches and displays a diagram illustrating their relationships.



To view installation and usage instructions specific to each branch build, be sure to explicitly navigate to the respective README files on each branch, as linked to above.



## Usage



```javascript

var FLOAT32_LN2 = require( '@stdlib/constants-float32-ln-two' );

```



#### FLOAT32_LN2



[Natural logarithm][@stdlib/math/base/special/lnf] of `2` as a single-precision floating-point number.



```javascript

var bool = ( FLOAT32_LN2 === 0.6931471824645996 );

// returns true

```



## Examples



```javascript

var FLOAT32_LN2 = require( '@stdlib/constants-float32-ln-two' );



console.log( FLOAT32_LN2 );

// => 0.6931471824645996

```



* * *



## C APIs



### Usage



```c

#include "stdlib/constants/float32/ln_two.h"

```



#### STDLIB_CONSTANT_FLOAT32_LN2



Macro for the [natural logarithm][@stdlib/math/base/special/lnf] of `2` as a single-precision floating-point number.



* * *



## 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 © 2016-2024. The Stdlib [Authors][stdlib-authors].



[npm-image]: http://img.shields.io/npm/v/@stdlib/constants-float32-ln-two.svg

[npm-url]: https://npmjs.org/package/@stdlib/constants-float32-ln-two



[test-image]: https://github.com/stdlib-js/constants-float32-ln-two/actions/workflows/test.yml/badge.svg?branch=main

[test-url]: https://github.com/stdlib-js/constants-float32-ln-two/actions/workflows/test.yml?query=branch:main



[coverage-image]: https://img.shields.io/codecov/c/github/stdlib-js/constants-float32-ln-two/main.svg

[coverage-url]: https://codecov.io/github/stdlib-js/constants-float32-ln-two?branch=main



[chat-image]: https://img.shields.io/gitter/room/stdlib-js/stdlib.svg

[chat-url]: https://app.gitter.im/#/room/#stdlib-js_stdlib:gitter.im



[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/constants-float32-ln-two/tree/deno

[deno-readme]: https://github.com/stdlib-js/constants-float32-ln-two/blob/deno/README.md

[umd-url]: https://github.com/stdlib-js/constants-float32-ln-two/tree/umd

[umd-readme]: https://github.com/stdlib-js/constants-float32-ln-two/blob/umd/README.md

[esm-url]: https://github.com/stdlib-js/constants-float32-ln-two/tree/esm

[esm-readme]: https://github.com/stdlib-js/constants-float32-ln-two/blob/esm/README.md

[branches-url]: https://github.com/stdlib-js/constants-float32-ln-two/blob/main/branches.md



[stdlib-license]: https://raw.githubusercontent.com/stdlib-js/constants-float32-ln-two/main/LICENSE



[@stdlib/math/base/special/lnf]: https://github.com/stdlib-js/math-base-special-lnf