# NINF [![NPM version][npm-image]][npm-url] [![Build Status][test-image]][test-url] [![Coverage Status][coverage-image]][coverage-url] > [Double-precision floating-point][ieee754] negative infinity.

## Installation ```bash npm install @stdlib/constants-float64-ninf ```

## Usage ```javascript var FLOAT64_NINF = require( '@stdlib/constants-float64-ninf' ); ``` #### FLOAT64_NINF [Double-precision floating-point][ieee754] negative infinity. ```javascript var bool = ( FLOAT64_NINF === -Infinity ); // returns true ```

## Examples ```javascript var FLOAT64_NINF = require( '@stdlib/constants-float64-ninf' ); console.log( FLOAT64_NINF ); // => -Infinity ```

* * *

## C APIs

### Usage ```c #include "stdlib/constants/float64/ninf.h" ``` #### STDLIB_CONSTANT_FLOAT64_NINF Macro for [double-precision floating-point][ieee754] negative infinity.

* * * ## See Also - [`@stdlib/constants/float16/ninf`][@stdlib/constants/float16/ninf]: half-precision floating-point negative infinity. - [`@stdlib/constants/float32/ninf`][@stdlib/constants/float32/ninf]: single-precision floating-point negative infinity. - [`@stdlib/constants/float64/pinf`][@stdlib/constants/float64/pinf]: positive infinity.

* * * ## 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 © 2016-2022. The Stdlib [Authors][stdlib-authors].

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