| /* |
| * 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.instructions.cp; |
| |
| import org.apache.sysds.common.Types.DataType; |
| import org.apache.sysds.common.Types.ValueType; |
| import org.apache.sysds.runtime.DMLRuntimeException; |
| import org.apache.sysds.runtime.controlprogram.context.ExecutionContext; |
| import org.apache.sysds.runtime.functionobjects.COV; |
| import org.apache.sysds.runtime.instructions.InstructionUtils; |
| import org.apache.sysds.runtime.matrix.data.MatrixBlock; |
| import org.apache.sysds.runtime.matrix.operators.COVOperator; |
| import org.apache.sysds.runtime.matrix.operators.Operator; |
| |
| public class CovarianceCPInstruction extends BinaryCPInstruction { |
| |
| private CovarianceCPInstruction(Operator op, CPOperand in1, CPOperand in2, CPOperand out, String opcode, |
| String istr) { |
| super(CPType.AggregateBinary, op, in1, in2, out, opcode, istr); |
| } |
| |
| private CovarianceCPInstruction(Operator op, CPOperand in1, CPOperand in2, CPOperand in3, CPOperand out, |
| String opcode, String istr) { |
| super(CPType.AggregateBinary, op, in1, in2, in3, out, opcode, istr); |
| } |
| |
| public static CovarianceCPInstruction parseInstruction( String str ) |
| { |
| CPOperand in1 = new CPOperand("", ValueType.UNKNOWN, DataType.UNKNOWN); |
| CPOperand in2 = new CPOperand("", ValueType.UNKNOWN, DataType.UNKNOWN); |
| CPOperand in3 = null; |
| CPOperand out = new CPOperand("", ValueType.UNKNOWN, DataType.UNKNOWN); |
| |
| String[] parts = InstructionUtils.getInstructionPartsWithValueType(str); |
| String opcode = parts[0]; |
| |
| if( !opcode.equalsIgnoreCase("cov") ) { |
| throw new DMLRuntimeException("CovarianceCPInstruction.parseInstruction():: Unknown opcode " + opcode); |
| } |
| |
| COVOperator cov = new COVOperator(COV.getCOMFnObject()); |
| if ( parts.length == 4 ) { |
| // CP.cov.mVar0.mVar1.mVar2 |
| parseBinaryInstruction(str, in1, in2, out); |
| return new CovarianceCPInstruction(cov, in1, in2, out, opcode, str); |
| } else if ( parts.length == 5 ) { |
| // CP.cov.mVar0.mVar1.mVar2.mVar3 |
| in3 = new CPOperand("", ValueType.UNKNOWN, DataType.UNKNOWN); |
| parseBinaryInstruction(str, in1, in2, in3, out); |
| return new CovarianceCPInstruction(cov, in1, in2, in3, out, opcode, str); |
| } |
| else { |
| throw new DMLRuntimeException("Invalid number of arguments in Instruction: " + str); |
| } |
| } |
| |
| @Override |
| public void processInstruction(ExecutionContext ec) |
| { |
| MatrixBlock matBlock1 = ec.getMatrixInput(input1.getName()); |
| MatrixBlock matBlock2 = ec.getMatrixInput(input2.getName()); |
| String output_name = output.getName(); |
| COVOperator cov_op = (COVOperator)_optr; |
| CM_COV_Object covobj = new CM_COV_Object(); |
| |
| if ( input3 == null ) { |
| // Unweighted: cov.mvar0.mvar1.out |
| covobj = matBlock1.covOperations(cov_op, matBlock2); |
| |
| ec.releaseMatrixInput(input1.getName(), input2.getName()); |
| } |
| else { |
| // Weighted: cov.mvar0.mvar1.weights.out |
| MatrixBlock wtBlock = ec.getMatrixInput(input3.getName()); |
| |
| covobj = matBlock1.covOperations(cov_op, matBlock2, wtBlock); |
| |
| ec.releaseMatrixInput(input1.getName(), |
| input2.getName(), input3.getName()); |
| } |
| |
| double val = covobj.getRequiredResult(_optr); |
| ec.setScalarOutput(output_name, new DoubleObject(val)); |
| } |
| } |