Path: utzoo!mnetor!uunet!husc6!mit-eddie!uw-beaver!cornell!rochester!udel!princeton!phoenix!radon
From: radon@phoenix.Princeton.EDU (Radon Research)
Newsgroups: comp.sys.ibm.pc
Subject: Turbo Pascal Questions
Message-ID: <2062@phoenix.Princeton.EDU>
Date: 14 Mar 88 18:53:52 GMT
Organization: Princeton University, NJ
Lines: 23
Keywords: 3.0 AND 4.0 questions!  Try your luck.

I have 2 questions for all you Turbo programmers.
The first concerns Turbo 3.0 and its implementation of CASE statements.
I have a program with a large case statement (some 70+ different cases
to match).  I want it to be FAST in operation.  How exactly does the
compiler implement this construction?  Does it have a lookup table
(which would make speed loss neglible for larger numbers of cases to 
consider), or does it do some kind of cascaded comparisons?

Right now, because I was unsure, I guessed I'd wind up with 50 cases to
consider and nested 7 case statements inside another so that 2 cases
were needed to get to any block.  Probably a fool's economy.

Question #2:
  In Turbo 4.0, is there anyway to dump the graphics screen to a
printer?  Does (would) this depend on the graphics screen driver type?

If you think you have an informed answer to either of these burning
questions, reply via email to:

amlovell@phoenix.princeton.edu    or
radon@phoenix.princeton.edu

Thanks.