private PLNumberAtom div_fun(PLNumberAtom a, PLNumberAtom b)
{
return(a / b);
}
private PLNumberAtom minus_fun(PLNumberAtom a, PLNumberAtom b)
{
return(a - b);
}
private PLNumberAtom mult_fun(PLNumberAtom a, PLNumberAtom b)
{
return(a * b);
}
//
// Primitive arithmetic operations
//
private PLNumberAtom plus_fun(PLNumberAtom a, PLNumberAtom b)
{
return(a + b);
}