title: How to compare float in GLSL scripts?
body: <p>In my GLSL script i would like to compare float like this :</p>
  
  <pre><code>uniform float _Highlights;
  
  if _Highlights &lt;&gt; 1 { doHighlights(...); }
  </code></pre>
  
  <p>but as <code>_Highlights</code> is a float I m afraid that <code>if _Highlights &lt;&gt; 1</code> will always return true.</p>