title: Can I rewrite a piece of GPL code in another language and release it under BSD?
body: <p>I have writing a BSD licence software in C#, and I hope to use some stable numerical code in C, which is under GPL. </p>
  
  <p>Can I rewrite the GPL C code in C# and release the C# code under the BSD license?</p>
  
  <p>Thanks a lot.</p>