| /* |
| * 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.sysml.lops; |
| |
| |
| |
| import org.apache.sysml.lops.LopProperties.ExecLocation; |
| import org.apache.sysml.lops.LopProperties.ExecType; |
| import org.apache.sysml.lops.compile.JobType; |
| import org.apache.sysml.parser.Expression.*; |
| |
| /** |
| * Lop to perform binary scalar operations. Both inputs must be scalars. |
| * Example i = j + k, i = i + 1. |
| */ |
| |
| public class BinaryScalar extends Lop |
| { |
| |
| public enum OperationTypes { |
| ADD, SUBTRACT, SUBTRACTRIGHT, MULTIPLY, DIVIDE, MODULUS, INTDIV, |
| LESS_THAN, LESS_THAN_OR_EQUALS, GREATER_THAN, GREATER_THAN_OR_EQUALS, EQUALS, NOT_EQUALS, |
| AND, OR, |
| LOG,POW,MAX,MIN,PRINT, |
| IQSIZE, |
| Over, |
| } |
| |
| OperationTypes operation; |
| |
| /** |
| * This overloaded constructor is used for setting exec type in case of spark backend |
| */ |
| public BinaryScalar(Lop input1, Lop input2, OperationTypes op, DataType dt, ValueType vt, ExecType et) |
| { |
| super(Lop.Type.BinaryCP, dt, vt); |
| operation = op; |
| this.addInput(input1); |
| this.addInput(input2); |
| input1.addOutput(this); |
| input2.addOutput(this); |
| |
| boolean breaksAlignment = false; // this field does not carry any meaning for this lop |
| boolean aligner = false; |
| boolean definesMRJob = false; |
| lps.addCompatibility(JobType.INVALID); |
| this.lps.setProperties(inputs, et, ExecLocation.ControlProgram, breaksAlignment, aligner, definesMRJob ); |
| } |
| |
| /** |
| * Constructor to perform a scalar operation |
| * @param input |
| * @param op |
| */ |
| |
| public BinaryScalar(Lop input1, Lop input2, OperationTypes op, DataType dt, ValueType vt) |
| { |
| super(Lop.Type.BinaryCP, dt, vt); |
| operation = op; |
| this.addInput(input1); |
| this.addInput(input2); |
| input1.addOutput(this); |
| input2.addOutput(this); |
| |
| boolean breaksAlignment = false; // this field does not carry any meaning for this lop |
| boolean aligner = false; |
| boolean definesMRJob = false; |
| lps.addCompatibility(JobType.INVALID); |
| this.lps.setProperties(inputs, ExecType.CP, ExecLocation.ControlProgram, breaksAlignment, aligner, definesMRJob ); |
| } |
| |
| @Override |
| public String toString() { |
| return "Operation: " + operation; |
| } |
| |
| public OperationTypes getOperationType(){ |
| return operation; |
| } |
| |
| @Override |
| public String getInstructions(String input1, String input2, String output) throws LopsException |
| { |
| String opString = getOpcode( operation ); |
| |
| |
| |
| StringBuilder sb = new StringBuilder(); |
| |
| sb.append(getExecType()); |
| sb.append(Lop.OPERAND_DELIMITOR); |
| |
| sb.append( opString ); |
| sb.append( OPERAND_DELIMITOR ); |
| |
| sb.append( getInputs().get(0).prepScalarInputOperand(getExecType()) ); |
| sb.append( OPERAND_DELIMITOR ); |
| |
| sb.append( getInputs().get(1).prepScalarInputOperand(getExecType())); |
| sb.append( OPERAND_DELIMITOR ); |
| |
| sb.append( prepOutputOperand(output)); |
| |
| return sb.toString(); |
| } |
| |
| @Override |
| public Lop.SimpleInstType getSimpleInstructionType() |
| { |
| switch (operation){ |
| |
| default: |
| return SimpleInstType.Scalar; |
| } |
| } |
| |
| /** |
| * |
| * @param op |
| * @return |
| */ |
| public static String getOpcode( OperationTypes op ) |
| { |
| switch ( op ) |
| { |
| /* Arithmetic */ |
| case ADD: |
| return "+"; |
| case SUBTRACT: |
| return "-"; |
| case MULTIPLY: |
| return "*"; |
| case DIVIDE: |
| return "/"; |
| case MODULUS: |
| return "%%"; |
| case INTDIV: |
| return "%/%"; |
| case POW: |
| return "^"; |
| |
| /* Relational */ |
| case LESS_THAN: |
| return "<"; |
| case LESS_THAN_OR_EQUALS: |
| return "<="; |
| case GREATER_THAN: |
| return ">"; |
| case GREATER_THAN_OR_EQUALS: |
| return ">="; |
| case EQUALS: |
| return "=="; |
| case NOT_EQUALS: |
| return "!="; |
| |
| /* Boolean */ |
| case AND: |
| return "&&"; |
| case OR: |
| return "||"; |
| |
| /* Builtin Functions */ |
| case LOG: |
| return "log"; |
| case MIN: |
| return "min"; |
| case MAX: |
| return "max"; |
| |
| case PRINT: |
| return "print"; |
| |
| case IQSIZE: |
| return "iqsize"; |
| |
| default: |
| throw new UnsupportedOperationException("Instruction is not defined for BinaryScalar operator: " + op); |
| } |
| } |
| } |