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diff --git a/casa/covering/bookkeeping/Options.H b/casa/covering/bookkeeping/Options.H
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+// 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 OPTIONS_H
+#define OPTIONS_H
+
+#include <cstdlib>
+#include <utility>
+
+#include "Array.H"
+
+class Options {
+protected:
+  // The entry cumulativeValueCounts[i] is the number of values in options 0
+  // through i, inclusive.
+  Array<unsigned>			cumulativeValueCounts;
+  // The entry owningOptions[i] is the option that the value i belongs to.
+  Array<unsigned>			owningOptions;
+
+public:
+  Options();
+  Options(Array<unsigned>valueCounts);
+  Options(const Options&copy);
+  unsigned getSize() const;
+  unsigned getFirstSymbol(unsigned option) const;
+  Array<unsigned>getFirstSymbols() const;
+  unsigned getSymbolCount(unsigned option) const;
+  Array<unsigned>getSymbolCounts() const;
+  unsigned getLastSymbol(unsigned option) const;
+  unsigned getRandomSymbol(unsigned option) const;
+  unsigned getOtherRandomSymbol(unsigned option, unsigned exclude) const;
+  unsigned getOption(unsigned symbol) const;
+};
+
+#endif