const-smallest-float64

SMALLEST FLOAT64

Smallest positive double-precision floating-point number.

Installation

$ npm install const-smallest-float64

Usage

var SMALLEST_FLOAT64 = require( 'const-smallest-float64' );

SMALLEST_FLOAT64

An object comprised as follows:

{
    'VALUE': 2.2250738585072014e-308,
    'DENORMALIZED': ~4.94e-324
}

Value

Smallest positive normalized double-precision floating-point number.

SMALLEST_FLOAT64.VALUE === Math.pow( 2, -(1023-1) );

Denormalized

Smallest positive denormalized double-precision floating-point number.

SMALLEST_FLOAT64.DENORMALIZED === Math.pow( 2, -(1023-1+52) );

Examples

var SMALLEST_FLOAT64 = require( 'const-smallest-float64' );
 
console.log( SMALLEST_FLOAT64.VALUE );
// returns 2.2250738585072014e-308
 
console.log( SMALLEST_FLOAT64.DENORMALIZED );
// returns ~4.94e-324

To run the example code from the top-level application directory,

$ node ./examples/index.js

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Tests

Unit

This repository uses tape for unit tests. To run the tests, execute the following command in the top-level application directory:

$ make test

All new feature development should have corresponding unit tests to validate correct functionality.

Test Coverage

This repository uses Istanbul as its code coverage tool. To generate a test coverage report, execute the following command in the top-level application directory:

$ make test-cov

Istanbul creates a ./reports/coverage directory. To access an HTML version of the report,

$ make view-cov

Browser Support

This repository uses Testling for browser testing. To run the tests in a (headless) local web browser, execute the following command in the top-level application directory:

$ make test-browsers

To view the tests in a local web browser,

$ make view-browser-tests

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License

MIT license.

Copyright

Copyright © 2016. The Compute.io Authors..