comparison DEPENDENCIES/generic/include/boost/units/quantity.hpp @ 101:c530137014c0

Update Boost headers (1.58.0)

 struct disable_if_is_same<T, T> {};
 
 }
  
 /// class declaration
-template<class Unit,class Y = double>
+template<class Unit,class Y>
 class quantity
 {
         // base units are not the same as units.
         BOOST_MPL_ASSERT_NOT((detail::is_base_unit<Unit>));
         enum { force_instantiation_of_unit = sizeof(Unit) };