Computes an element-wise multiplication of a numeric array.
$ npm install compute-multiplyFor use in the browser, use browserify.
To use the module,
var multiply = require( 'compute-multiply' );Computes an element-wise multiplication of an input array. x may be either an array of equal length or a scalar.
multiply( [ 2, 1, 4, 2 ], -4 );
// returns [ -8, -4, -16, -8 ]
multiply( [ 2, 1, 4, 2 ], [ 1, 2, 3, 3 ] );
// returns [ 2, 2, 12, 6 ]var multiply = require( 'compute-multiply' );
// Simulate some data...
var data = new Array( 100 );
for ( var i = 0; i < data.length; i++ ) {
data[ i ] = Math.round( Math.random()*100 );
}
multiply( data, 10 );
console.log( data.join( '\n' ) );To run the example code from the top-level application directory,
$ node ./examples/index.jsThis function mutates the input array. If mutation is undesired,
var data = [ 1, 2, 3, 4 ],
copy = data.slice();
multiply( copy, 2 );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 testAll new feature development should have corresponding unit tests to validate correct functionality.
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-covIstanbul creates a ./reports/coverage directory. To access an HTML version of the report,
$ make view-covCopyright © 2014. Athan Reines.