private Property evalMultiply(Numeric op1, Numeric op2)
{
if (op1 == null || op2 == null)
{
throw new PropertyException("Non numeric operand in multiplication");
}
return(new NumericProperty(op1.multiply(op2)));
}
private Property evalNegate(Numeric op)
{
if (op == null)
{
throw new PropertyException("Non numeric operand to unary minus");
}
return(new NumericProperty(op.multiply(negOne)));
}
private Property evalMultiply(Numeric op1, Numeric op2)
{
if (op1 == null || op2 == null)
{
throw new PropertyException("Non numeric operand in multiplication");
}
return new NumericProperty(op1.multiply(op2));
}
private Property evalNegate(Numeric op)
{
if (op == null)
{
throw new PropertyException("Non numeric operand to unary minus");
}
return new NumericProperty(op.multiply(negOne));
}