id summary reporter owner description type status milestone component version severity resolution keywords cc 7653 TR1: MSVC 11 has complex overloads frank.richter@… John Maddock `BOOST_HAS_TR1_COMPLEX_OVERLOADS` has to be defined on VC11, otherwise duplicate function definitions occur if `boost/tr1/complex.hpp` is used. Attached patch does that. Patches closed To Be Determined TR1 Boost 1.52.0 Problem fixed