content: /*
   * Tencent is pleased to support the open source community by making Angel available.
   *
   * Copyright (C) 2017-2018 THL A29 Limited, a Tencent company. All rights reserved.
   *
   * Licensed 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
   *
   * https://opensource.org/licenses/Apache-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.
   *
   */
  
  
  package com.tencent.angel.ml.GBDT.algo.RegTree;
  
  /**
   * Description: first order and second order gradients for com.tencent.ml.algorithm.LocalGBDT
   */
  public class GradPair {
  
    // gradient
    private float grad;
    // second order gradient
    private float hess;
  
    public float getGrad() {
      return grad;
    }
  
    public void setGrad(float grad) {
      this.grad = grad;
    }
  
    public float getHess() {
      return hess;
    }
  
    public void setHess(float hess) {
      this.hess = hess;
    }
  
    public GradPair(float grad, float hess) {
      this.grad = grad;
      this.hess = hess;
    }
  
    public GradPair() {
      new GradPair((float) 0.0, (float) 0.0);
    }
  }