SUNAN - remove NaNs & Infs from the input stream		

    sunan <in.su >out.su					

 Optional parameters:						
 verbose=1	echo locations of NaNs or Infs to stderr	
	        =0 silent					

 Notes:							
 A simple program to remove NaNs and Infs from an input stream.
 The program sets NaNs and Infs to 0.0.			



 Author: Reginald H. Beardsley  2003   rhb@acm.org
 
  A simple program to remove NaNs & Infs from an input stream. They
  shouldn't be there, but it can be hard to find the cause and fix
  the problem if you can't look at the data.