| /* |
| * 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.functionobjects; |
| |
| import org.apache.sysds.runtime.matrix.data.MatrixIndexes; |
| import org.apache.sysds.runtime.matrix.data.MatrixValue.CellIndex; |
| import org.apache.sysds.runtime.meta.DataCharacteristics; |
| |
| import java.io.Serializable; |
| |
| public abstract class IndexFunction extends FunctionObject implements Serializable |
| { |
| private static final long serialVersionUID = -7672111359444767237L; |
| |
| //compute output indexes |
| |
| public abstract void execute(MatrixIndexes in, MatrixIndexes out); |
| |
| public abstract void execute(CellIndex in, CellIndex out); |
| |
| //determine of dimension has been reduced |
| public abstract boolean computeDimension(int row, int col, CellIndex retDim); |
| |
| //compute output dimensions |
| public abstract boolean computeDimension(DataCharacteristics in, DataCharacteristics out); |
| } |