old_contents: 'use strict';
  
  var pdf = require( './../lib' );
  
  var x;
  var mu;
  var sigma;
  var v;
  var i;
  
  for ( i = 0; i < 10; i++ ) {
  	x = Math.random() * 10;
  	mu = Math.random() * 10 - 5;
  	sigma = Math.random() * 20;
  	v = pdf( x, mu, sigma );
  	console.log( 'x: %d, mu: %d, sigma: %d, f(x;mu,sigma): %d', x, mu, sigma, v );
  }
  
new_contents: 'use strict';
  
  var pdf = require( './../lib' );
  
  var sigma;
  var mu;
  var x;
  var v;
  var i;
  
  for ( i = 0; i < 10; i++ ) {
  	x = Math.random() * 10;
  	mu = Math.random() * 10 - 5;
  	sigma = Math.random() * 20;
  	v = pdf( x, mu, sigma );
  	console.log( 'x: %d, mu: %d, sigma: %d, f(x;mu,sigma): %d', x, mu, sigma, v );
  }
  
subject: Reorder vars according to length