Move eigen to third party (#282)

* remove useless statement

* Add eigen to third_party dir

* remove reducdant lines
This commit is contained in:
Jack Zhou
2022-09-26 19:24:02 +08:00
committed by GitHub
parent 36eb6fbba6
commit 355382ad63
1781 changed files with 420576 additions and 71 deletions

View File

@@ -0,0 +1,14 @@
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";