Marshmallow  |  6.0.1_r16
C++程序  |  16行  |  224 B 

#include "../Eigen/Core"

#ifdef EIGEN_SHOULD_FAIL_TO_BUILD
#define CV_QUALIFIER const
#else
#define CV_QUALIFIER
#endif

using namespace Eigen;

void foo(CV_QUALIFIER float *ptr){
    Map<Matrix3f> m(ptr);
}

int main() {}