| /* |
| * 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.lops; |
| |
| |
| import org.apache.sysds.lops.LopProperties.ExecType; |
| import org.apache.sysds.runtime.instructions.InstructionUtils; |
| import org.apache.sysds.common.Types.DataType; |
| import org.apache.sysds.common.Types.OpOp2; |
| import org.apache.sysds.common.Types.ValueType; |
| |
| /** |
| * Lop to perform binary scalar operations. Both inputs must be scalars. |
| * Example i = j + k, i = i + 1. |
| */ |
| public class BinaryScalar extends Lop |
| { |
| private final OpOp2 operation; |
| |
| /** |
| * Constructor to perform a scalar operation |
| * |
| * @param input1 low-level operator 1 |
| * @param input2 low-level operator 2 |
| * @param op operation type |
| * @param dt data type |
| * @param vt value type |
| */ |
| public BinaryScalar(Lop input1, Lop input2, OpOp2 op, DataType dt, ValueType vt) { |
| super(Lop.Type.BinaryCP, dt, vt); |
| operation = op; |
| addInput(input1); |
| addInput(input2); |
| input1.addOutput(this); |
| input2.addOutput(this); |
| lps.setProperties(inputs, ExecType.CP); |
| } |
| |
| @Override |
| public String toString() { |
| return "Operation: " + operation; |
| } |
| |
| public OpOp2 getOperationType() { |
| return operation; |
| } |
| |
| @Override |
| public Lop.SimpleInstType getSimpleInstructionType() { |
| return SimpleInstType.Scalar; |
| } |
| |
| @Override |
| public String getInstructions(String input1, String input2, String output) { |
| return InstructionUtils.concatOperands( |
| getExecType().name(), operation.toString(), |
| getInputs().get(0).prepScalarInputOperand(getExecType()), |
| getInputs().get(1).prepScalarInputOperand(getExecType()), |
| prepOutputOperand(output)); |
| } |
| } |