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.math2;
  
  public abstract class MathObject {
  
    protected int matrixId;
    protected int clock;
  
    public int getMatrixId() {
      return matrixId;
    }
  
    public void setMatrixId(int matrixId) {
      this.matrixId = matrixId;
    }
  
    public int getClock() {
      return clock;
    }
  
    public void setClock(int clock) {
      this.clock = clock;
    }
  
    public abstract void clear();
  
    public abstract double sum();
  
    public abstract double std();
  
    public abstract double average();
  
    public abstract double norm();
  }