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fix a couple of compilations issues

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This commit is contained in:
Gael Guennebaud
2009-08-06 14:10:02 +02:00
parent c2861dd41a
commit 1d4fea48b5
8 changed files with 21 additions and 22 deletions
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9
Eigen/src/QR/HessenbergDecomposition.h
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@@ -170,7 +170,7 @@ void HessenbergDecomposition<MatrixType>::_compute(MatrixType& matA, CoeffVector
// i.e., A = H' A H where H = I - h v v' and v = matA.col(i).end(n-i-1)
matA.col(i).coeffRef(i+1) = 1;
// first let's do A = H A
// first let's do A = H' A
matA.corner(BottomRight,n-i-1,n-i-1) -= ((ei_conj(h) * matA.col(i).end(n-i-1)) *
(matA.col(i).end(n-i-1).adjoint() * matA.corner(BottomRight,n-i-1,n-i-1))).lazy();
@@ -213,14 +213,15 @@ HessenbergDecomposition<MatrixType>::matrixQ(void) const
{
int n = m_matrix.rows();
MatrixType matQ = MatrixType::Identity(n,n);
Matrix<Scalar,1,MatrixType::ColsAtCompileTime> temp(n);
for (int i = n-2; i>=0; i--)
{
Scalar tmp = m_matrix.coeff(i+1,i);
m_matrix.const_cast_derived().coeffRef(i+1,i) = 1;
matQ.corner(BottomRight,n-i-1,n-i-1) -=
((m_hCoeffs.coeff(i) * m_matrix.col(i).end(n-i-1)) *
(m_matrix.col(i).end(n-i-1).adjoint() * matQ.corner(BottomRight,n-i-1,n-i-1)).lazy()).lazy();
int rs = n-i-1;
temp.end(rs) = (m_matrix.col(i).end(rs).adjoint() * matQ.corner(BottomRight,rs,rs)).lazy();
matQ.corner(BottomRight,rs,rs) -= (m_hCoeffs.coeff(i) * m_matrix.col(i).end(rs) * temp.end(rs)).lazy();
m_matrix.const_cast_derived().coeffRef(i+1,i) = tmp;
}