cpxd.sa

 
---------------------------> Sather 1.1 source file <--------------------------
-- cpxd.sa: Other complex numbers
-- Author: Benedict A. Gomes <gomes@samosa.ICSI.Berkeley.EDU>
-- Copyright (C) 1995, International Computer Science Institute
-- $Id: cpxd.sa,v 1.7 1996/07/25 19:17:55 gomes Exp $
--
-- COPYRIGHT NOTICE: This code is provided WITHOUT ANY WARRANTY
-- and is subject to the terms of the SATHER LIBRARY GENERAL PUBLIC
-- LICENSE contained in the file: Sather/Doc/License of the
-- Sather distribution. The license is also available from ICSI,
-- 1947 Center St., Suite 600, Berkeley CA 94704, USA.


immutable class CPXD < $CPX_NUMBER{FLTD,CPXD},$FMT 
immutable class CPXD < $CPX_NUMBER{FLTD,CPXD},$FMT is
   include CPX{FLTD};
   
   fmt( fmt: STR ): STR is
      comma: INT;
      fmt1: STR;
	
      comma := fmt.search(';');
      if comma >= 0 then
	 fmt1 := fmt.head(comma);
	 fmt := fmt.substring(comma+1)
      else
	 fmt1 := fmt
      end;
	
      if ~fmt1.is_prefix("polar") then
	 return re.fmt(fmt1) + '+' + im.fmt(fmt) + 'i'
      else
	 fmt1 := fmt1.substring(5);
	 return absolute.fmt(fmt1) + "*e^" + phase.fmt(fmt) + 'i'
      end;
   end;
   
end; -- class CPXD