To all:
After some careful reading, it became obvious to me that I was going to
have to implement a slew of two parameter functions that took a const
object as the first member, in order to deal with the const problem.
One person writes:
Adding the keyword const to the end of a member function's prototype
tells the compiler:
I promise not to modify the object which calls me (directly or
indirectly), and therefore I may be called by const objects.
And adding this const to the member functions which contained a class
reference fixed the other problems.
I have to say that the class file has grown enormously and I still
haven't finished with the arithmetic functions yet.
I can see why writing overload operators is such a tedious task.
Randall
P.S. So consider the problem now solved.
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