Imported Upstream version 1.57.0
[platform/upstream/boost.git] / boost / units / systems / si / codata / physico-chemical_constants.hpp
index 0cde3ac..38975bb 100644 (file)
@@ -12,6 +12,7 @@
 #define BOOST_UNITS_CODATA_PHYSICO_CHEMICAL_CONSTANTS_HPP
 
 #include <boost/units/pow.hpp>
+#include <boost/units/quantity.hpp>
 #include <boost/units/static_constant.hpp>
 
 #include <boost/units/systems/detail/constants.hpp>