I don't know about simplifying the number of tests, but if you are just looking to minimize the number of tests run at execution time, Would a bounding box be a possibility? 

sub clip {
  if ( within_bounding_box ) {
    return 1 if ....
  }
  return 0;
}

[download]

--MidLifeXis

In reply to Re: Graphics math. by MidLifeXis
in thread Graphics math. by BrowserUk

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