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math-round

1.0.0 • Public • Published

Round

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Rounds a numeric value to the nearest integer.

Installation

$ npm install math-round

Usage

var round = require( 'math-round' );

round( x )

Rounds a numeric value to the nearest integer.

var val = round( -4.2 );
// returns -4
 
val = round( -4.5 );
// returns -4
 
val = round( -4.6 );
// returns -5
 
val = round( 9.99999 );
// returns 10
 
val = round( 9.5 );
// returns 10
 
val = round( 9.2 );
// returns 9
 
val = round( 0 );
// returns 0

Examples

var round = require( 'math-round' );
 
var x;
var i;
 
for ( i = 0; i < 100; i++ ) {
    x = Math.random()*100 - 50;
    console.log( 'Value: %d. Rounded: %d.', x, round( x ) );
}

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

$ node ./examples/index.js

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

License

MIT license.

Copyright

Copyright © 2016. The Compute.io Authors.

install

npm i math-round

Downloadsweekly downloads

23

version

1.0.0

license

MIT

homepage

github.com

repository

Gitgithub

last publish

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