csum
Computes the cumulative sum of a numeric array.
Installation
$ npm install compute-csum
For use in the browser, use browserify.
Usage
To use the module,
var csum = ;
csum( arr )
Computes the cumulative sum of a numeric array
.
var data = 1 2 3 4 ;;// returns [ 1, 3, 6, 10 ]
Examples
var csum = ;var data = 1000 ;for var i = 0; i < datalength; i++data i = Math;data;console;// returns [...]
To run the example code from the top-level application directory,
$ node ./examples/index.js
Notes
The function returns an array
with a length equal to the original input array
.
Tests
Unit
Unit tests use the Mocha test framework with Chai assertions. 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
License
Copyright
Copyright © 2014. Athan Reines.