1>Compiling... 1>utility.cpp 1>c:\code\dependencies\eigen3\eigen\src/Geometry/OrthoMethods.h(46) : warning C4181: qualifier applied to reference type; ignored 1> .\utility.cpp(818) : see reference to function template instantiation 'Eigen::Matrix<_Scalar,_Rows,_Cols> Eigen::MatrixBase::cross(const Eigen::MatrixBase &) const' being compiled 1> with 1> [ 1> _Scalar=float, 1> _Rows=3, 1> _Cols=1, 1> Derived=Eigen::Matrix 1> ] 1>c:\code\dependencies\eigen3\eigen\src/Geometry/OrthoMethods.h(47) : warning C4181: qualifier applied to reference type; ignored 1>c:\code\dependencies\eigen3\eigen\src/Geometry/OrthoMethods.h(47) : warning C4181: qualifier applied to reference type; ignored 1> c:\code\dependencies\eigen3\eigen\src/Geometry/Quaternion.h(454) : see reference to function template instantiation 'Eigen::Matrix<_Scalar,_Rows,_Cols> Eigen::MatrixBase::cross>(const Eigen::MatrixBase> &) const' being compiled 1> with 1> [ 1> _Scalar=float, 1> _Rows=3, 1> _Cols=1, 1> Derived=Eigen::Block,3,1> 1> ] 1> c:\code\dependencies\eigen3\eigen\src/Geometry/Quaternion.h(448) : while compiling class template member function 'Eigen::Matrix<_Scalar,_Rows,_Cols> Eigen::QuaternionBase::_transformVector(Eigen::Matrix<_Scalar,_Rows,_Cols>) const' 1> with 1> [ 1> _Scalar=float, 1> _Rows=3, 1> _Cols=1, 1> Derived=Eigen::Quaternion 1> ] 1> c:\code\dependencies\eigen3\eigen\src/Geometry/Quaternion.h(507) : while compiling class template member function 'Eigen::Matrix<_Scalar,_Rows,_Cols> Eigen::QuaternionBase::toRotationMatrix(void) const' 1> with 1> [ 1> _Scalar=float, 1> _Rows=3, 1> _Cols=3, 1> Derived=Eigen::Quaternion 1> ] 1> c:\code\dependencies\eigen3\eigen\src/Geometry/Quaternion.h(231) : see reference to class template instantiation 'Eigen::QuaternionBase' being compiled 1> with 1> [ 1> Derived=Eigen::Quaternion 1> ] 1> .\utility.cpp(656) : see reference to class template instantiation 'Eigen::Quaternion<_Scalar>' being compiled 1> with 1> [ 1> _Scalar=float 1> ]