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Change return type of matrixH() method to HouseholderSequence.

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This method is a member of Tridiagonalization and HessenbergDecomposition.
This commit is contained in:
Jitse Niesen
2010-05-24 17:35:54 +01:00
parent 76dd0e5314
commit eb3ca68684
5 changed files with 92 additions and 81 deletions
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7
test/hessenberg.cpp
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@@ -34,8 +34,9 @@ template<typename Scalar,int Size> void hessenberg(int size = Size)
for(int counter = 0; counter < g_repeat; ++counter) {
MatrixType m = MatrixType::Random(size,size);
HessenbergDecomposition<MatrixType> hess(m);
VERIFY_IS_APPROX(m, hess.matrixQ() * hess.matrixH() * hess.matrixQ().adjoint());
MatrixType Q = hess.matrixQ();
MatrixType H = hess.matrixH();
VERIFY_IS_APPROX(m, Q * H * Q.adjoint());
for(int row = 2; row < size; ++row) {
for(int col = 0; col < row-1; ++col) {
VERIFY(H(row,col) == (typename MatrixType::Scalar)0);
@@ -48,8 +49,10 @@ template<typename Scalar,int Size> void hessenberg(int size = Size)
HessenbergDecomposition<MatrixType> cs1;
cs1.compute(A);
HessenbergDecomposition<MatrixType> cs2(A);
VERIFY_IS_EQUAL(cs1.matrixQ(), cs2.matrixQ());
VERIFY_IS_EQUAL(cs1.matrixH(), cs2.matrixH());
MatrixType cs1Q = cs1.matrixQ();
MatrixType cs2Q = cs2.matrixQ();
VERIFY_IS_EQUAL(cs1Q, cs2Q);
// TODO: Add tests for packedMatrix() and householderCoefficients()
}