devtools/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2026-04-10 11:34:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

Before moving to the new building

Browse Source
This commit is contained in:
Desire NUENTSA
2012-06-29 17:45:10 +02:00
parent f0c34c6822
commit 15f1563533
5 changed files with 6 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
Eigen/src/SparseLU/SparseLU.h
View File

@@ -186,7 +186,6 @@ class SparseLU
// Triangular solve
Map<const Matrix<Scalar,Dynamic,Dynamic>, 0, OuterStride<> > A( &(Lval[luptr]), nsupc, nsupc, OuterStride<>(nsupr) );
Map< Matrix<Scalar,Dynamic,Dynamic>, 0, OuterStride<> > U (&(X.data()[fsupc]), nsupc, nrhs, OuterStride<>(X.rows()) );
// Block<MatrixBase<Dest> > U(X, fsupc, 0, nsupc, nrhs); //FIXME TODO Consider more RHS
U = A.template triangularView<Lower>().solve(U);
// Matrix-vector product
@@ -536,6 +535,7 @@ void SparseLU<MatrixType, OrderingType>::factorize(const MatrixType& matrix)
// Eliminate the current column
info = LU_pivotL(icol, m_diagpivotthresh, m_perm_r.indices(), iperm_c.indices(), pivrow, m_glu);
eigen_assert(info==0 && " SINGULAR MATRIX");
if ( info )
{
m_info = NumericalIssue;
@@ -609,6 +609,7 @@ void SparseLU<MatrixType, OrderingType>::factorize(const MatrixType& matrix)
// Form the L-segment
info = LU_pivotL(jj, m_diagpivotthresh, m_perm_r.indices(), iperm_c.indices(), pivrow, m_glu);
eigen_assert(info==0 && " SINGULAR MATRIX");
if ( info )
{
std::cerr<< "THE MATRIX IS STRUCTURALLY SINGULAR ... ZERO COLUMN AT " << info <<std::endl;