Gbm.h

/* Copyright 2015,2016 Tao Xu
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

#pragma once

#include <cstdint>
#include <vector>

namespace boosting {

class Config;
class DataSet;
class GbmFun;

template<class T> class TreeNode;

class Gbm {
 public:
  Gbm(const GbmFun& fun,
      const DataSet& ds,
      const Config& cfg);

  void getModel(std::vector<TreeNode<double>*>* model,
                double fimps[]);

 private:

  TreeNode<double>* mapTree(const TreeNode<uint16_t>* rt);

  const GbmFun& fun_;
  const DataSet& ds_;
  const Config& cfg_;
};

}