title: more than one instance of overloaded function matches the argument list
body: <p>I am getting the above error when I use</p>
  
  <pre><code>double x = log10(100);
  </code></pre>
  
  <p>I have used it in other class, in the same project and it does not show this error.</p>
  
  <p>How do I fix it?</p>
  
  <p>Many thanks</p>
  
  <p>Chintan</p>