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final fixes and updates for alpha3

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This commit is contained in:
Benoit Jacob
2008-01-13 23:38:48 +00:00
parent 57d7b7d97b
commit 183bf54d27
7 changed files with 58 additions and 48 deletions
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18
doc/examples/class_Block.cpp
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@@ -3,24 +3,24 @@ USING_PART_OF_NAMESPACE_EIGEN
using namespace std;
template<typename Scalar, typename Derived>
Eigen::FixedBlock<Derived, 2, 2>
topLeft2x2Corner(MatrixBase<Scalar, Derived>& m)
Eigen::Block<Derived>
topLeftCorner(MatrixBase<Scalar, Derived>& m, int rows, int cols)
{
return Eigen::FixedBlock<Derived, 2, 2>(m.ref(), 0, 0);
return Eigen::Block<Derived>(m.ref(), 0, 0, rows, cols);
}
template<typename Scalar, typename Derived>
const Eigen::FixedBlock<Derived, 2, 2>
topLeft2x2Corner(const MatrixBase<Scalar, Derived>& m)
const Eigen::Block<Derived>
topLeftCorner(const MatrixBase<Scalar, Derived>& m, int rows, int cols)
{
return Eigen::FixedBlock<Derived, 2, 2>(m.ref(), 0, 0);
return Eigen::Block<Derived>(m.ref(), 0, 0, rows, cols);
}
int main(int, char**)
{
Matrix3d m = Matrix3d::identity();
cout << topLeft2x2Corner(4*m) << endl; // calls the const version
topLeft2x2Corner(m) *= 2; // calls the non-const version
Matrix4d m = Matrix4d::identity();
cout << topLeftCorner(4*m, 2, 3) << endl; // calls the const version
topLeftCorner(m, 2, 3) *= 5; // calls the non-const version
cout << "Now the matrix m is:" << endl << m << endl;
return 0;
}