title: Find Double/Float value is Odd or Even in C#
body: <p>How to find if <code>double</code> value is <em>even</em> or <em>odd</em> without converting them to <code>int</code> in C#? E.g.</p>
  
  <pre><code>123.0d     - odd
  456.0d     - even
  3.1415926d - floating point (neither odd nor even)
  </code></pre>