content: /*
   * The MIT License (MIT)
   *
   * Copyright (c) 2011-2021 Broad Institute, Aiden Lab, Rice University, Baylor College of Medicine
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   *  THE SOFTWARE.
   */
  
  package juicebox.data;
  
  import htsjdk.tribble.util.LittleEndianInputStream;
  
  import java.io.IOException;
  import java.util.LinkedHashMap;
  import java.util.Map;
  
  public class NormFactorMapReader {
      private final int version, nFactors;
      private final Map<Integer, Double> normFactors = new LinkedHashMap<>();
  
      public NormFactorMapReader(int nFactors, int version, LittleEndianInputStream dis)
              throws IOException {
          this.version = version;
          this.nFactors = nFactors;
  
          for (int j = 0; j < nFactors; j++) {
              int chrIdx = dis.readInt();
              if (version > 8) {
                  normFactors.put(chrIdx, (double) dis.readFloat());
              } else {
                  normFactors.put(chrIdx, dis.readDouble());
              }
          }
      }
  
      public Map<Integer, Double> getNormFactors() {
          return normFactors;
      }
  
      public int getOffset() {
          if (version > 8) {
              return 8 * nFactors;
          } else {
              return 12 * nFactors;
          }
      }
  }
  