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.storage;
  
  import it.unimi.dsi.fastutil.ints.Int2FloatMap;
  import it.unimi.dsi.fastutil.objects.ObjectIterator;
  import sun.reflect.generics.reflectiveObjects.NotImplementedException;
  
  public interface IntFloatVectorStorage extends FloatVectorStorage, IntKeyVectorStorage {
  
    float get(int idx);
  
    default float[] get(int[] idxs) {
      float[] res = new float[idxs.length];
  
      int out = 0;
      for (int idx : idxs) {
        res[out++] = get(idx);
      }
  
      return res;
    }
  
    void set(int idx, float value);
  
    default void set(int[] idxs, float[] values) {
      for (int i = 0; i < idxs.length; i++) {
        set(idxs[i], values[i]);
      }
    }
  
    default ObjectIterator<Int2FloatMap.Entry> entryIterator() {
      throw new NotImplementedException();
    }
  
    IntFloatVectorStorage clone();
  
    IntFloatVectorStorage copy();
  
    IntFloatVectorStorage oneLikeDense();
  
    IntFloatVectorStorage oneLikeSparse();
  
    IntFloatVectorStorage oneLikeSorted();
  
    IntFloatVectorStorage oneLikeDense(int length);
  
    IntFloatVectorStorage oneLikeSparse(int dim, int capacity);
  
    IntFloatVectorStorage oneLikeSorted(int dim, int capacity);
  
    IntFloatVectorStorage oneLikeSparse(int capacity);
  
    IntFloatVectorStorage oneLikeSorted(int capacity);
  
    IntFloatVectorStorage emptyDense();
  
    IntFloatVectorStorage emptySparse();
  
    IntFloatVectorStorage emptySorted();
  
    IntFloatVectorStorage emptyDense(int length);
  
    IntFloatVectorStorage emptySparse(int dim, int capacity);
  
    IntFloatVectorStorage emptySorted(int dim, int capacity);
  
    IntFloatVectorStorage emptySparse(int capacity);
  
    IntFloatVectorStorage emptySorted(int capacity);
  }