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.decay;
  
  import com.tencent.angel.ml.core.optimizer.decayer.*;
  import org.junit.Test;
  
  import java.util.Arrays;
  
  public class DecayTest {
      private double eta = 1.0;
  
      @Test
      public void standardDecayTest() {
          StandardDecay decay = new StandardDecay(eta, 0.05);
          calNext(decay);
      }
  
      @Test
      public void WarmRestartsTest() {
          WarmRestarts decay = new WarmRestarts(eta, 0.001, 0.05);
          calNext(decay);
      }
  
      private void calNext(StepSizeScheduler scheduler) {
          int len = 300;
          double[] data = new double[len];
  
          for (int i=0; i< len; i++) {
              data[i] = scheduler.next();
          }
  
          System.out.println(Arrays.toString(data));
      }
  }
  