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Declarative Machine Learning
/*
* 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
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* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.sysml.runtime.instructions.cp;
import org.apache.sysml.runtime.DMLRuntimeException;
import org.apache.sysml.runtime.controlprogram.context.ExecutionContext;
import org.apache.sysml.runtime.matrix.data.MatrixBlock;
import org.apache.sysml.runtime.matrix.operators.Operator;
public final class MatrixAppendCPInstruction extends AppendCPInstruction
{
public MatrixAppendCPInstruction(Operator op, CPOperand in1, CPOperand in2, CPOperand in3, CPOperand out, AppendType type, String opcode, String istr) {
super(op, in1, in2, in3, out, type, opcode, istr);
}
@Override
public void processInstruction(ExecutionContext ec)
throws DMLRuntimeException
{
//get inputs
MatrixBlock matBlock1 = ec.getMatrixInput(input1.getName());
MatrixBlock matBlock2 = ec.getMatrixInput(input2.getName());
//check input dimensions
if( _type == AppendType.CBIND && matBlock1.getNumRows() != matBlock2.getNumRows() ) {
throw new DMLRuntimeException("Append-cbind is not possible for input matrices " + input1.getName() + " and " + input2.getName()
+ " with different number of rows: "+matBlock1.getNumRows()+" vs "+matBlock2.getNumRows());
}
else if( _type == AppendType.RBIND && matBlock1.getNumColumns() != matBlock2.getNumColumns()) {
throw new DMLRuntimeException("Append-rbind is not possible for input matrices " + input1.getName() + " and " + input2.getName()
+ " with different number of columns: "+matBlock1.getNumColumns()+" vs "+matBlock2.getNumColumns());
}
//execute append operations (append both inputs to initially empty output)
MatrixBlock ret = matBlock1.appendOperations(matBlock2, new MatrixBlock(), _type==AppendType.CBIND);
//set output and release inputs
ec.setMatrixOutput(output.getName(), ret);
ec.releaseMatrixInput(input1.getName());
ec.releaseMatrixInput(input2.getName());
}
}