org.vesalainen.grammar.math.SimpleMathExpression Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of javalpg Show documentation

Syntactically extended parsers for regex, bnf, ...grammars

The newest version!

/*
 * Copyright (C) 2016 tkv
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see .
 */
package org.vesalainen.grammar.math;

import java.io.IOException;
import org.vesalainen.util.DoubleMap;

/**
 *
 * @author tkv
 */
public class SimpleMathExpression extends DoubleMathExpression
{
    private DoubleMap map = new DoubleMap<>();
    
    public SimpleMathExpression(String expression)
    {
        this(expression, true);
    }

    public SimpleMathExpression(String expression, boolean degrees)
    {
        super(expression, degrees);
    }

    public void setVariable(String identifier, double value)
    {
        map.put(identifier, value);
    }
    
    @Override
    protected double getVariable(String identifier) throws IOException
    {
        return map.getDouble(identifier);
    }
    
}