math-floor
v1.0.1
Published
Rounds a numeric value toward negative infinity.
Downloads
5,578
Maintainers
Readme
Floor
Rounds a numeric value toward negative infinity.
Installation
$ npm install math-floor
Usage
var floor = require( 'math-floor' );
floor( x )
Rounds a numeric
value toward negative infinity.
var val = floor( -4.2 );
// returns -5
val = floor( 9.99999 );
// returns 9
val = floor( 0 );
// returns 0
Examples
var floor = require( 'math-floor' );
var x;
var i;
for ( i = 0; i < 100; i++ ) {
x = Math.random()*100 - 50;
console.log( 'Value: %d. Floored: %d.', x, floor( 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
Copyright
Copyright © 2016. The Compute.io Authors.