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+/*
+ * Copyright (c) 2001 Mikhail Kourinny (mkourinny@yahoo.com)
+ *
+ * This program 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 2 of the License, or
+ * (at your option) any later version.
+
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __ADVISE_FULL_H
+#define __ADVISE_FULL_H
+
+#include <list>
+#include <algorithm>
+
+#include "headerP.h"
+
+
+namespace AdviseFull {
+ class EquationSet {
+ public: // Well, why is it necessary?
+ struct Equation {
+ std::set<short> pointSets;
+ short mines;
+ };
+ typedef std::map<short, short> Solution;
+
+ public:
+ EquationSet();
+ EquationSet(AdviseFast::FactSet const &facts);
+
+ std::list<Equation> _equations;
+ std::map<short, CoordSet> _pointSets;
+
+ /** Make sure no _pointSets have
+ * non-empty intersection */
+ void normalize();
+
+ /** Returns in *results a set of equation sets
+ * which can be solved separately.
+ * *this assumed normalized :) */
+ void separate(std::list<EquationSet> *results) const;
+
+ /** Solves... returns _pointSets.
+ * It's nice to have *this separated :) */
+ std::map<short, CoordSet> const &solve(
+ std::list<Solution> *results) const;
+
+ void prettyprint() const;
+
+ private:
+ /** One more than max(_pointSets[i].first) */
+ short _maxPointSet;
+
+ /** Substitutes a pointSet in all equations */
+ void substitute(
+ short out,
+ std::set<short> const &in);
+ };
+
+ bool surePoints(
+ std::map<short, CoordSet> const &m,
+ std::list<EquationSet::Solution> const &l,
+ CoordSet *surePoints);
+
+ /** The fourth argument is a fraction of mines in the "pool" */
+ void getProbabilities(
+ std::map<short, CoordSet> const &m,
+ std::list<EquationSet::Solution> const &l,
+ ProbabilityMap *probabilities,
+ float fraction = 0);
+
+ /** Get the quotient of the number of variants of
+ * point distribution satisfying dividend and divisor
+ * solutions */
+ /** The fourth argument is a fraction of mines in the "pool" */
+ float variantNumberFraction(
+ std::map<short, CoordSet> const &m,
+ EquationSet::Solution const &dividend,
+ EquationSet::Solution const &divisor,
+ float fraction = 0);
+}
+
+#endif