eigen/Slicing__custom__padding__cxx11_8cpp_source.html

 struct pad {

   Index size() const { return out_size; }

   Index operator[] (Index i) const { return std::max<Index>(0,i-(out_size-in_size)); }

   Index in_size, out_size;

 };


 Matrix3i A;

 A.reshaped() = VectorXi::LinSpaced(9,1,9);

 cout << "Initial matrix A:\n" << A << "\n\n";

 MatrixXi B(5,5);

 B = A(pad{3,5}, pad{3,5});

 cout << "A(pad{3,N}, pad{3,N}):\n" << B << "\n\n";

i
int i
Definition: BiCGSTAB_step_by_step.cpp:9

B
MatrixXf B
Definition: GeneralizedEigenSolver.cpp:3

A
Matrix3i A
Definition: Slicing_custom_padding_cxx11.cpp:7

size
const int size
Definition: Tutorial_AdvancedInitialization_ThreeWays.cpp:1

Eigen::MatrixXi
Matrix< int, Dynamic, Dynamic > MatrixXi
Dynamic×Dynamic matrix of type int.
Definition: Matrix.h:500

Eigen::Matrix3i
Matrix< int, 3, 3 > Matrix3i
3×3 matrix of type int.
Definition: Matrix.h:500

Eigen::Index
EIGEN_DEFAULT_DENSE_INDEX_TYPE Index
The Index type as used for the API.
Definition: Meta.h:82