
On Mon, Mar 7, 2011 at 5:35 PM, Matthias Schabel <boost@schabel-family.org>wrote:
#include <boost/units/quantity.hpp> #include <boost/units/systems/si.hpp> #include <boost/units/base_units/us/foot.hpp>
using namespace boost::units;
class Test { public: // takes any unit of length template<class System> void setX(quantity<unit<length_dimension,System> > const& x) { // explicit conversion to si::length = meters m_X = quantity<si::length>(x); } private: quantity<si::length> m_X; };
void setY(quantity<unit<???, System> > const& y) { m_Y = quantity<si::dimensionless>(y); } I would like to be able to accept any systems dimensionless quantity. Since dimensionless isn't a physical system I obviously didn't find a tag I could use like length_dimension. What should I do here? Ryan