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bugfix in inner-product specialization,

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compilation fix in stable norm,
optimize apply householder
This commit is contained in:
Gael Guennebaud
2009-08-15 13:12:50 +02:00
parent 7b60713e87
commit 13a8956188
3 changed files with 10 additions and 8 deletions
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6
Eigen/src/Householder/Householder.h
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@@ -73,7 +73,8 @@ void MatrixBase<Derived>::applyHouseholderOnTheLeft(
{
Matrix<Scalar, 1, ColsAtCompileTime, PlainMatrixType::Options, 1, MaxColsAtCompileTime> tmp(cols());
Block<Derived, EssentialPart::SizeAtCompileTime, Derived::ColsAtCompileTime> bottom(derived(), 1, 0, rows()-1, cols());
tmp = row(0) + essential.adjoint() * bottom;
tmp = (essential.adjoint() * bottom).lazy();
tmp += row(0);
row(0) -= beta * tmp;
bottom -= beta * essential * tmp;
}
@@ -86,7 +87,8 @@ void MatrixBase<Derived>::applyHouseholderOnTheRight(
{
Matrix<Scalar, RowsAtCompileTime, 1, PlainMatrixType::Options, MaxRowsAtCompileTime, 1> tmp(rows());
Block<Derived, Derived::RowsAtCompileTime, EssentialPart::SizeAtCompileTime> right(derived(), 0, 1, rows(), cols()-1);
tmp = col(0) + right * essential.conjugate();
tmp = (right * essential.conjugate()).lazy();
tmp += col(0);
col(0) -= beta * tmp;
right -= beta * tmp * essential.transpose();
}