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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
* "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.parser;
import org.apache.sysml.runtime.util.UtilFunctions;
public class DoubleIdentifier extends ConstIdentifier
{
private double _val;
public DoubleIdentifier(double val, String filename, int blp, int bcp, int elp, int ecp){
super();
_val = val;
_kind = Kind.Data;
this.setDimensions(0,0);
this.computeDataType();
this.setValueType(ValueType.DOUBLE);
this.setAllPositions(filename, blp, bcp, elp, ecp);
}
public DoubleIdentifier(DoubleIdentifier d, String filename, int blp, int bcp, int elp, int ecp){
super();
_val = d.getValue();
_kind = Kind.Data;
this.setDimensions(0,0);
this.computeDataType();
this.setValueType(ValueType.DOUBLE);
this.setAllPositions(filename, blp, bcp, elp, ecp);
}
public Expression rewriteExpression(String prefix) throws LanguageException{
return this;
}
// Used only by the parser for unary operation
public void multiplyByMinusOne() {
_val = -1 * _val;
}
public double getValue(){
return _val;
}
public void setValue(double v) {
_val = v;
}
public String toString(){
return Double.toString(_val);
}
@Override
public VariableSet variablesRead() {
return null;
}
@Override
public VariableSet variablesUpdated() {
return null;
}
@Override
public long getLongValue() {
return UtilFunctions.toLong(getValue());
}
}