1 #include "../Eigen/Core" 2 3 #ifdef EIGEN_SHOULD_FAIL_TO_BUILD 4 #define CV_QUALIFIER const 5 #else 6 #define CV_QUALIFIER 7 #endif 8 9 using namespace Eigen; 10 foo(CV_QUALIFIER Matrix3d & m)11 void foo(CV_QUALIFIER Matrix3d &m){ 12 Block<Matrix3d,3,3> b(m,0,0); 13 } 14 main()15 int main() {} 16