From 76729f9670ba63a9146079b081bdb5b5ae0bbd3d Mon Sep 17 00:00:00 2001
From: Kenny Ballou <kballou@devnulllabs.io>
Date: Fri, 28 Feb 2020 15:36:09 -0700
Subject: CASA fork: initial commit

Snapshot from http://cse.unl.edu/~citportal/.
---
 common/utility/CombinadicIterator.H | 51 +++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 common/utility/CombinadicIterator.H

(limited to 'common/utility/CombinadicIterator.H')

diff --git a/common/utility/CombinadicIterator.H b/common/utility/CombinadicIterator.H
new file mode 100644
index 0000000..faeed39
--- /dev/null
+++ b/common/utility/CombinadicIterator.H
@@ -0,0 +1,51 @@
+// Copyright 2008, 2009 Brady J. Garvin
+
+// This file is part of Covering Arrays by Simulated Annealing (CASA).
+
+// CASA is free software: you can redistribute it and/or modify it
+// under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// CASA is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with CASA.  If not, see <http://www.gnu.org/licenses/>.
+
+
+#ifndef COMBINADIC_ITERATOR_H
+#define COMBINADIC_ITERATOR_H
+
+#include "Combinadic.H"
+
+class CombinadicIterator {
+protected:
+  unsigned				populationSize;
+  // The iteration will skip sets whose intersection with relevant is empty.
+  Array<unsigned>			relevant;
+  Array<unsigned>			notRelevant;
+
+  unsigned				minimumRelevance;
+  unsigned				maximumRelevance;
+
+  Array<unsigned>			choiceFromRelevant;
+  Array<unsigned>			choiceFromNotRelevant;
+
+  Array<unsigned>			relevantCombination;
+  Array<unsigned>			combination;
+public:
+  CombinadicIterator
+    (unsigned populationSize, unsigned sampleSize, Array<unsigned>relevant);
+protected:
+  void updateCombinationFromRelevant();
+  void updateCombination();
+public:
+  const Array<unsigned>operator *() const;
+  operator bool() const;
+  CombinadicIterator&operator ++();
+};
+
+#endif
-- 
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