class std::complex<long double> __cdecl std::operator+<long double>(class std::complex<long double> const & __ptr64, class std::complex<long double> const & __ptr64)

Mangled name

??$?HO@std@@YA?AV?$complex@O@0@AEBV10@0@Z

Exported by

size	filename	version
853312	msvcp90.dll	9.00.30729.4148