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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.antlr.v4.runtime.ParserRuleContext;
import org.apache.sysml.runtime.util.UtilFunctions;
public class DoubleIdentifier extends ConstIdentifier
{
private double _val;
public DoubleIdentifier(double val) {
super();
setInfo(val);
setBeginLine(-1);
setBeginColumn(-1);
setEndLine(-1);
setEndColumn(-1);
setText(null);
}
public DoubleIdentifier(double val, ParseInfo parseInfo) {
this(val);
setParseInfo(parseInfo);
}
public DoubleIdentifier(DoubleIdentifier d, ParseInfo parseInfo) {
this(d.getValue());
setParseInfo(parseInfo);
}
public DoubleIdentifier(ParserRuleContext ctx, double val, String filename) {
this(val);
setCtxValuesAndFilename(ctx, filename);
}
private void setInfo(double val) {
_val = val;
setDimensions(0, 0);
computeDataType();
setValueType(ValueType.DOUBLE);
}
@Override
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;
}
@Override
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());
}
}