title: How do I round a positive float up the next integer?
body: <p>I need to round a positive float upwards to the nearest integer.</p>
  
  <pre><code>examples;
  
  1.0 rounds up to 1    
  2.1 rounds up to 3
  3.5 rounds up to 4
  4.9 rounds up to 5 
  </code></pre>
  
  <p>i.e. always round up.</p>