| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 |
| * |
| * http://www.apache.org/licenses/LICENSE-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 org.apache.sysds.runtime.compress.utils; |
| |
| import java.util.Arrays; |
| |
| /** |
| * Helper class used for bitmap extraction. |
| */ |
| public class DblArray { |
| private double[] _arr; |
| |
| public DblArray() { |
| _arr = null; |
| } |
| |
| public DblArray(double[] arr) { |
| _arr = arr; |
| } |
| |
| public DblArray(DblArray that) { |
| this(Arrays.copyOf(that._arr, that._arr.length)); |
| } |
| |
| public double[] getData() { |
| return _arr; |
| } |
| |
| @Override |
| public int hashCode() { |
| return _arr == null ? 0 : Arrays.hashCode(_arr); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| return(o instanceof DblArray && Arrays.equals(_arr, ((DblArray) o)._arr)); |
| } |
| |
| @Override |
| public String toString() { |
| return Arrays.toString(_arr); |
| } |
| |
| public static boolean isZero(DblArray val) { |
| return val._arr == null; |
| } |
| } |