Algorithm-QuineMcCluskey

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Revision history for Algorithm-QuineMcCluskey

1.01
     2019-12-03
	- Debug changes only, does not affect the operation of the
	  non-debug code:

	  Smart comments had some obsolete variables that are now
	  changed. The chart() function, used by Smart comments, made
	  use of firstidx(), which was provided by a module that is no
	  longer included. Changed the code in chart() to use the any()
	  function from List::Util instead.
	- Minor correction to README.md.
1.00
     2019-02-10
	- Moved the formatting functions to_boolean() and

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     2016-8-25
	- Add method all_solutions(). Update the POD concerning using
	  get_covers() to refer to all_solutions().
0.10
     2016-7-20
	- Check to see if the terms (minterms, maxterms, or
	  dont-cares) are larger than 'width' in bit size.
	  It's possible I made that mistake myself recently.
	- And although it's not an error, run the terms through
	  sort and uniq before converting to bitstrings. It
	  makes visual inspection of the debug output easier.
0.09
     2016-6-27
	- Found a case where don't-care terms with no covers
	  were nonetheless included with the prime implicants.
	  Fixed by changing a map{}-everything-will-work into
	  a loop with an if statement to check for that.
	- New test file 25-solve.t (Rock Paper Scissors) that
	  covers the above problem.
	- Streamlined the bit term functions, and added some
	  more 'smart' comments to show the bit terms.

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	  now.
     2015-1-18
	- Removed sortterms attribute -- always sort.
	- Simplified covers loop (helped by removing sortterms).
	- Moved a constant calculation of the %reduced hash out
	  a loop.
     2015-1-16
	- New function tableformat() (current name, at least) to show
	  primes hash in the table form used in textbook Quine-McCluskey
	  descriptions. Should help users understand what's going on,
	  and help in debugging too.
	- New module to contain tableforms() (and future functions),
	  named it Algorithm::QuineMcCluskey::Format.
	- Do-while using is_LequivalentR() was supposed to be comparing
	  hash keys, but a 'keys' had been left off on one side.
	  Fixing that saves at least one loop.
	- Avoid calling recurse_solve() if the reduced primes hash is
	  empty.
     2015-1-6
	- Added new object-creating methods dual() and complement().
	- Added tests for the new methods.

Changes  view on Meta::CPAN

	  substitution code in case someone chose a substitution
	  metacharacter as their don't-care character.
     2014-11-26
	- Was looping around remel() for each arrayref in the hash.
	  Now just pass the hash in directly (this necessitated
	  changing one of the outer loops in purge_essentials,
	  and remel() becomes remels()).
     2014-11-13
	- The test with don't-care terms randomly fails two thirds
	  of the time. Separate it into its own file, and add
	  debugging statements.

     2014-11-4
	- Extended the object test to consider minterms, maxterms,
	  and columnstrings methods of creation.
	- deAlias considered finished and merged into the master
	  branch.
     2014-10-31
	- Added columnstring attribute, and wrote bitstring code
	  for setting and getting it.
	- Changed minterms, maxterms, and dontcares back to