74 lines
1.9 KiB
C++
74 lines
1.9 KiB
C++
/*
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* Copyright (c) 2015, PHILIPPE TILLET. All rights reserved.
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*
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* This file is part of ISAAC.
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*
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* ISAAC is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#ifndef ISAAC_MODEL_PREDICTORS_RANDOM_FOREST_H
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#define ISAAC_MODEL_PREDICTORS_RANDOM_FOREST_H
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#include <vector>
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#include "isaac/types.h"
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namespace rapidjson{
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class CrtAllocator;
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template <typename BaseAllocator> class MemoryPoolAllocator;
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template <typename Encoding, typename Allocator> class GenericValue;
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template<typename CharType> struct UTF8;
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typedef GenericValue<UTF8<char>, MemoryPoolAllocator<CrtAllocator> > Value;
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}
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namespace isaac
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{
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namespace runtime
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{
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namespace predictors
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{
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class random_forest
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{
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public:
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class tree
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{
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public:
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tree(rapidjson::Value const & treerep);
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std::vector<float> const & predict(std::vector<int_t> const & x) const;
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size_t D() const;
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private:
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std::vector<int> children_left_;
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std::vector<int> children_right_;
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std::vector<float> threshold_;
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std::vector<float> feature_;
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std::vector<std::vector<float> > value_;
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size_t D_;
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};
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random_forest(rapidjson::Value const & estimators);
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std::vector<float> predict(std::vector<int_t> const & x) const;
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std::vector<tree> const & estimators() const;
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private:
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std::vector<tree> estimators_;
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size_t D_;
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};
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}
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}
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}
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#endif
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