Ben Strasser wrote:
Deane Yang <deane_yang <at> yahoo.com> writes:
I was unable to get it to compile in VC8.0. It gives errors in the compile-time rational number code (in compile_time_number.hpp).
Could you please post the error message? I only tested it on the lastest mingw.
c:\home\deane\svn\software\vendor\alternative_units\include\units\compile_time_number.hpp(53) : error C2057: expected constant expression c:\home\deane\svn\software\vendor\alternative_units\include\units\compile_time_number.hpp(94) : see reference to class template instantiation 'compile_time_number::reduce<n>' being compiled with [ n=compile_time_number::rational<1> ] c:\home\deane\svn\software\vendor\alternative_units\include\units\quantity.hpp(253) : see reference to class template instantiation 'compile_time_number::multiply<n1,n2>' being compiled with [ n1=compile_time_number::rational<1>, n2=compile_time_number::rational<1> ] c:\home\deane\svn\software\vendor\alternative_units\include\units\quantity.hpp(296) : see reference to class template instantiation 'units::raise_to<Tlist,Tnum>' being compiled with [ Tlist=mass, Tnum=compile_time_number::rational<1> ] c:\home\deane\svn\software\vendor\alternative_units\include\units\quantity.hpp(310) : see reference to class template instantiation 'units::irrational_quantity<Q,P,Q0,P0,Q1,P1,Q2,P2,Q3,P3,Q4,P4>' being compiled with [ Q=acceleration, P=compile_time_number::rational<1>, Q0=mass, P0=compile_time_number::rational<1>, Q1=length, P1=compile_time_number::rational<1>, Q2=units::no_quantity, P2=compile_time_number::rational<1>, Q3=units::no_quantity, P3=compile_time_number::rational<1>, Q4=units::no_quantity, P4=compile_time_number::rational<1> ] c:\home\deane\svn\software\vendor\alternative_units\include\units\quantity.hpp(37) : see reference to class template instantiation 'units::quantity<Q,P,Q0,P0,Q1,P1>' being compiled with [ Q=acceleration, P=1, Q0=mass, P0=1, Q1=length, P1=1 ] include\units/unit.hpp(34) : see reference to class template instantiation 'units::detail::is_end<Tquan>' being compiled with [ Tquan=energie ] example\basic.cpp(40) : see reference to class template instantiation 'units::unit<Tquan>' being compiled with [ Tquan=energie ] c:\home\deane\svn\software\vendor\alternative_units\include\units\compile_time_number.hpp(58) : error C2975: 'Tnum' : invalid template argument for 'compile_time_number::rational', expected compile-time constant expression c:\home\deane\svn\software\vendor\alternative_units\include\units\compile_time_number.hpp(40) : see declaration of 'Tnum' c:\home\deane\svn\software\vendor\alternative_units\include\units\compile_time_number.hpp(58) : error C2975: 'Tdenom' : invalid template argument for 'compile_time_number::rational', expected compile-time constant expression c:\home\deane\svn\software\vendor\alternative_units\include\units\compile_time_number.hpp(40) : see declaration of 'Tdenom' c:\home\deane\svn\software\vendor\alternative_units\include\units\compile_time_number.hpp(67) : fatal error C1903: unable to recover from previous error(s); stopping compilation c:\home\deane\svn\software\vendor\alternative_units\include\units\quantity.hpp(111) : see reference to class template instantiation 'compile_time_number::add<n1,n2>' being compiled with [ n1=compile_time_number::rational<0>, n2=compile_time_number::rational<0,0> ] c:\home\deane\svn\software\vendor\alternative_units\include\units\quantity.hpp(120) : see reference to class template instantiation 'units::detail::insert_into_list_internal<Tlist,Tquan,Tpow,Tcombiner>' being compiled with [ Tlist=units::detail::quan_list_end, Tquan=mass, Tpow=compile_time_number::rational<0,0>, Tcombiner=compile_time_number::add ] c:\home\deane\svn\software\vendor\alternative_units\include\units\quantity.hpp(138) : see reference to class template instantiation 'units::detail::insert_into_list<Tlist,Tquan,Tpow,Tcombiner>' being compiled with [ Tlist=units::detail::quan_list_end, Tquan=mass, Tpow=compile_time_number::rational<0,0>, Tcombiner=compile_time_number::add ] c:\home\deane\svn\software\vendor\alternative_units\include\units\quantity.hpp(238) : see reference to class template instantiation 'units::combine<Tlist1,Tlist2,Tcombiner>' being compiled with [ Tlist1=units::detail::quan_list_end, Tlist2=units::detail::quan_node<units::raise_to<units::detail::quan_list_end,compile_time_number::rational<1>,compile_time_number::multiply>::type,mass,compile_time_number::rational<0,0>>, Tcombiner=compile_time_number::add ] c:\home\deane\svn\software\vendor\alternative_units\include\units\quantity.hpp(296) : see reference to class template instantiation 'units::combine_by_multiplication<Tlist1,Tlist2>' being compiled with [ Tlist1=units::detail::quan_list_end, Tlist2=units::detail::quan_node<units::raise_to<units::detail::quan_list_end,compile_time_number::rational<1>,compile_time_number::multiply>::type,mass,compile_time_number::rational<0,0>> ]