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1 // Copyright 2011, Ian Hobson.
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2 //
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3 // This file is part of gpsynth.
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4 //
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5 // gpsynth is free software: you can redistribute it and/or modify
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6 // it under the terms of the GNU General Public License as published by
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7 // the Free Software Foundation, either version 3 of the License, or
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8 // (at your option) any later version.
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9 //
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10 // gpsynth is distributed in the hope that it will be useful,
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11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 // GNU General Public License for more details.
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14 //
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15 // You should have received a copy of the GNU General Public License
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16 // along with gpsynth in the file COPYING.
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17 // If not, see http://www.gnu.org/licenses/.
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18
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19 // The Grammar interface.
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20
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21 // TODO split out mutation behaviour in to new class
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22
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23 #pragma once
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24
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25 #include "synth_graph.hpp"
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26
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27 struct GrammarInterface {
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28
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29 virtual void RandomGraph(sg::Graph& graph) const = 0;
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30
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31 //virtual sg::Graph MutateGraph(const sg::Graph& graph) const = 0;
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32
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33 virtual void PickCrossoverNodes(const sg::Graph& parent_1,
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34 const sg::Graph& parent_2,
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35 sg::Vertex* node_1,
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36 sg::Vertex* node_2) const = 0;
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37
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38 virtual bool MutationAddSubTree(sg::Graph& graph) const = 0;
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39 virtual bool MutationReplaceSubTree(sg::Graph& graph) const = 0;
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40 virtual bool MutationModifyInputs(sg::Graph& graph) const = 0;
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41 virtual bool MutationModifyConnections(sg::Graph& graph) const = 0;
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42 virtual bool MutationReplaceCommand(sg::Graph& graph) const = 0;
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43 virtual bool MutationInsertCommand(sg::Graph& graph) const = 0;
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44 };
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