I'm sure the answer to this is out there somewhere, but I'm
having trouble finding it. (wearing flame-retardant clothes...)
I want to use boost::operators::field_operators to generate all
the mathematical operators to allow Vector/scalar arithmetic.
Everything works fine except for dividing scalars by vectors.
Class Vector looks like this:
class Vector
: public std::vector<double>,
boost::field_operators >
{
// required operator+=, -=, *=, /= defined here.
};
Now if I write:
double x(3.0);
Vector v(5), w;
v[0] = 1; v[1] = 2; v[2] = 3; v[3] = 4; v[4]=5;
w = 3+v; // works fine
w = v+3; // works fine
... // subtract and multiply work on both sides
w = v/x; // works fine
w = x/v; // fails...
I think the failure happens because of the way operator/
defined for mixed types something like this:
T operator/(U u,T t)
{
T ans(u);
ans/=t;
return ans;
}
which is not what I need. Is there a way I can change the way
operator/(double,Vector) works in this one case, but keep the really
convenient
definitions generated by field_operators otherwise?
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