I'm trying to make a "simple" cartesian vector class.
It should be similar to the quaternion example that you give in the docs, but I can't get it to compile.
I've attached a complete program.
Here are the error I get when I try to compile it.
Lets just focus on fixing the first few errors about no binary '*'. When I understand that, perhaps I'll be able to fix the rest.
One problem is here :
// vector * T
template inline
typename boost::units::multiply_typeof_helper >::type
operator*(const vector&lhs, const T2& rhs)
{ return rhs * lhs; }
Since multiply_typeof_helper is really just a glorified version of typeof(T1()*T2()), what you're saying here is that the return type of the product of a vector and a scalar is the return type of the product of a vector and a scalar. You need to define the top-level multiply operation; define it something like this :
// vector * T
template inline
vector::type>
operator*(const vector&lhs, const T2& rhs)
{ //return rhs * lhs; this return statement is also wrong, since it is recursive, defining the returned value in terms of the operator itself...}
Cheers,
Matthias
