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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.parser.Expression.DataType;
import org.apache.sysml.parser.Expression.ValueType;
import org.apache.sysml.runtime.DMLRuntimeException;
import org.apache.sysml.runtime.controlprogram.context.ExecutionContext;
import org.apache.sysml.runtime.matrix.operators.Operator;
import org.apache.sysml.runtime.matrix.operators.SimpleOperator;
public class BooleanUnaryCPInstruction extends UnaryCPInstruction
{
public BooleanUnaryCPInstruction(Operator op, CPOperand in, CPOperand out,
String opcode, String instr){
super(op, in, out, opcode, instr);
_cptype = CPINSTRUCTION_TYPE.BooleanUnary;
}
public static BooleanUnaryCPInstruction parseInstruction (String str)
throws DMLRuntimeException
{
CPOperand in = new CPOperand("", ValueType.UNKNOWN, DataType.UNKNOWN);
CPOperand out = new CPOperand("", ValueType.UNKNOWN, DataType.UNKNOWN);
String opcode = parseUnaryInstruction(str, in, out);
// Boolean operations must be performed on BOOLEAN
ValueType vt1 = in.getValueType();
ValueType vt2 = out.getValueType();
if ( vt1 != ValueType.BOOLEAN || vt2 != ValueType.BOOLEAN )
throw new DMLRuntimeException("Unexpected ValueType in ArithmeticInstruction.");
// Determine appropriate Function Object based on opcode
return new BooleanUnaryCPInstruction(getSimpleUnaryOperator(opcode), in, out, opcode, str);
}
@Override
public void processInstruction(ExecutionContext ec)
throws DMLRuntimeException
{
// 1) Obtain data objects associated with inputs
ScalarObject so = ec.getScalarInput(input1.getName(), input1.getValueType(), input1.isLiteral());
// 2) Compute the result value & make an appropriate data object
SimpleOperator dop = (SimpleOperator) _optr;
boolean rval = dop.fn.execute(so.getBooleanValue());
ScalarObject sores = (ScalarObject) new BooleanObject(rval);
// 3) Put the result value into ProgramBlock
ec.setScalarOutput(output.getName(), sores);
}
}