signbit
Returns a boolean indicating if the sign bit for a single-precision floating-point number is on (true) or off (false).
Installation
$ npm install math-float32-signbit
Usage
var signbit = ;
signbit( x )
Returns a boolean
indicating if the sign bit for a single-precision floating-point number is on (true
) or off (false
).
var toFloat32 = ;var bool = ;// returns falsebool = ;// returns truebool = ;// returns falsebool = ;// returns true
Examples
var toFloat32 = ;var signbit = ;var sign;var x;var i;for i = 0; i < 100; i++x = Math*100 - 50;x = ;sign = ;sign = sign ? 'true' : 'false';console;
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.