How to use

FractionNode

in

org.matheclipse.parser.client.ast

@Override
public FractionNode createFraction(final IntegerNode numerator, final IntegerNode denominator) {
  return new FractionNode(numerator, denominator);
}

/**
 * Visit.
 * 
 * @param node the node
 * @return the complex
 */
@Override
public Complex visit( FractionNode node ) {
  return new Complex( node.doubleValue(), 0.0 );
}

if (fr.isSign()) {
  return F.fraction((IInteger) convert(fr.getNumerator()), (IInteger) convert(fr.getDenominator())).negate();
return F.fraction((IInteger) convert(((FractionNode) node).getNumerator()), (IInteger) convert(((FractionNode) node)
    .getDenominator()));

IInteger numerator = (IInteger) convertNode(fr.getNumerator());
IInteger denominator = (IInteger) convertNode(fr.getDenominator());
if (denominator.isZero()) {
  return F.Rational(fr.isSign() ? numerator.negate() : numerator, denominator);
  return fr.isSign() ? numerator.negate() : numerator;
return F.fraction(fr.isSign() ? numerator.negate() : numerator, denominator);

/**
 * {@inheritDoc} Creates a new ASTNode object.
 */
@Override
public FractionNode createFraction( final IntegerNode numerator, final IntegerNode denominator ) {
  return new FractionNode( numerator, denominator );
}

public Complex visit(FractionNode node) {
  return new Complex(node.doubleValue(), 0.0);
}

public FractionNode createFraction(final IntegerNode numerator, final IntegerNode denominator) {
  return new FractionNode(numerator, denominator);
}

  /**
   * {@inheritDoc} Creates the function.
   */
  @Override
  public ASTNode createFunction( final IParserFactory factory, final ASTNode lhs, final ASTNode rhs ) {
    if ( rhs instanceof IntegerNode ) {
      if ( lhs instanceof IntegerNode ) {
        return new FractionNode( (IntegerNode) lhs, (IntegerNode) rhs );
      }
      return factory.createFunction( factory.createSymbol( "Times" ), lhs, new FractionNode( IntegerNode.C1, (IntegerNode) rhs ) );
    }
    return factory.createFunction( factory.createSymbol( "Times" ), lhs, factory.createFunction( factory.createSymbol( "Power" ), rhs, factory.createInteger( -1 ) ) );
  }
}

  public ASTNode createFunction(final IParserFactory factory,
      final ASTNode lhs, final ASTNode rhs) {
    if (rhs instanceof IntegerNode) {
      if (lhs instanceof IntegerNode) {
        return new FractionNode((IntegerNode) lhs, (IntegerNode) rhs);
      }
      return factory.createFunction(factory.createSymbol("Times"), lhs,
          new FractionNode(IntegerNode.C1, (IntegerNode) rhs));
    }
    return factory.createFunction(factory.createSymbol("Times"), lhs,
        factory.createFunction(factory.createSymbol("Power"), rhs,
            factory.createInteger(-1)));
  }
}

  @Override
  public ASTNode createFunction(final INodeParserFactory factory, final ASTNode lhs, final ASTNode rhs) {
    if (rhs instanceof IntegerNode) {
      if (lhs instanceof IntegerNode) {
        return new FractionNode((IntegerNode) lhs, (IntegerNode) rhs);
      }
      return factory.createFunction(factory.createSymbol("Times"),
          new FractionNode(IntegerNode.C1, (IntegerNode) rhs), lhs);
    }
    if (lhs.equals(IntegerNode.C1)) {
      return factory.createFunction(factory.createSymbol("Power"), rhs, factory.createInteger(-1));
    }
    return factory.createFunction(factory.createSymbol("Times"), lhs,
        factory.createFunction(factory.createSymbol("Power"), rhs, factory.createInteger(-1)));
  }
}