math-truncate

Truncate

Rounds a numeric value toward zero.

Installation

$ npm install math-truncate

Usage

var trunc = require( 'math-truncate' );

trunc( x )

Rounds a numeric value toward zero.

var val = trunc( -4.2 );
// returns -4

val = trunc( 9.99999 );
// returns 9

val = trunc( 0 );
// returns 0

Examples

var trunc = require( 'math-truncate' );

var x;
var i;

for ( i = 0; i < 100; i++ ) {
	x = Math.random()*100 - 50;
	console.log( 'Value: %d. Truncated: %d.', x, trunc( x ) );
}

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.