eigen/doc/snippets/MatrixBase_fixedBlock_int_int.cpp
Benoit Jacob 6ce996f219 big improvement of the block-manipulation API
- reduction of sizeof(Block) for vector types
- variants of block() and fixedBlock() for vector blocks
- convenience methods start() and end() for vectors
- convenience method corner() for matrices
2008-01-13 22:48:57 +00:00

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C++

Matrix4d m = Vector4d(1,2,3,4).asDiagonal();
cout << "Here is the matrix m:" << endl << m << endl;
cout << "Here is m.fixedBlock<2, 2>(2, 2):" << endl << m.fixedBlock<2, 2>(2, 2) << endl;
m.fixedBlock<2, 2>(2, 0) = m.fixedBlock<2, 2>(2, 2);
cout << "Now the matrix m is:" << endl << m << endl;