Package Exports

compute-lcm

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Readme

Least Common Multiple

Computes the least common multiple (lcm).

Installation

$ npm install compute-lcm

For use in the browser, use browserify.

Usage

To use the module,

var lcm = require( 'compute-lcm' );

lcm( arr )

Computes the least common multiple (lcm) of two or more integers.

var val = lcm( [21, 6] );
// returns 42

var val = gcd( [21, 6, 126] );
// returns 126

If provided an empty array, returns null.

Examples

var lcm = require( 'compute-lcm' );

// Compute the lcm of random tuples...
var x, y, z, arr, val;
for ( var i = 0; i < 100; i++ ) {
    x = Math.round( Math.random()*50 );
    y = Math.round( Math.random()*50 );
    z = Math.round( Math.random()*50 );
    arr = [ x, y, z ];
    val = lcm( arr );
    console.log( arr, val );
}

To run the example code from the top-level application directory,

$ node ./examples/index.js

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

MIT license.

compute-lcm