map_on_const_type_actually_const_1.cpp revision c981c48f5bc9aefeffc0bcb0cc3934c2fae179dd 
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
9using namespace Eigen;
10
11void foo(float *ptr){
12    Map<CV_QUALIFIER Vector3f>(ptr).coeffRef(0) = 1.0f;
13}
14
15int main() {}
16