| /* |
| * 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.util; |
| |
| import java.io.Serializable; |
| |
| //start and end are all inclusive |
| public class IndexRange implements Serializable |
| { |
| private static final long serialVersionUID = 5746526303666494601L; |
| |
| public long rowStart = 0; |
| public long rowEnd = 0; |
| public long colStart = 0; |
| public long colEnd = 0; |
| |
| public IndexRange(long rs, long re, long cs, long ce) { |
| set(rs, re, cs, ce); |
| } |
| |
| public void set(long rs, long re, long cs, long ce) { |
| rowStart = rs; |
| rowEnd = re; |
| colStart = cs; |
| colEnd = ce; |
| } |
| |
| public boolean isScalar() { |
| return (rowStart==rowEnd && colStart==colEnd); |
| } |
| |
| public IndexRange add(int delta) { |
| return new IndexRange( |
| rowStart + delta, rowEnd + delta, |
| colStart + delta, colEnd + delta); |
| } |
| |
| public boolean inColRange(long col) { |
| return col >= colStart && col < colEnd; |
| } |
| |
| public boolean inRowRange(long row) { |
| return row >= rowStart && row < rowEnd; |
| } |
| |
| public long colSpan() { |
| return colEnd - colStart; |
| } |
| |
| public long rowSpan() { |
| return rowEnd - rowStart; |
| } |
| |
| @Override |
| public String toString() { |
| return "["+rowStart+":"+rowEnd+","+colStart+":"+colEnd+"]"; |
| } |
| } |