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

build complete... almost

Browse Source
This commit is contained in:
Desire NUENTSA
2012-06-14 18:45:04 +02:00
parent f8a0745cb0
commit 0c9b08e46e
18 changed files with 280 additions and 173 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
Eigen/src/SparseLU/SparseLU_panel_bmod.h
View File

@@ -62,8 +62,8 @@
*
*
*/
template <typename IndexVector, typename ScalarVector>
void LU_panel_bmod(const int m, const int w, const int jcol, const int nseg, ScalarVector& dense, ScalarVector& tempv, IndexVector& segrep, IndexVector& repfnz, LU_GlobalLU_t<IndexVector,ScalarVector>& glu)
template <typename DenseIndexBlock, typename IndexVector, typename ScalarVector>
void LU_panel_bmod(const int m, const int w, const int jcol, const int nseg, ScalarVector& dense, ScalarVector& tempv, DenseIndexBlock& segrep, DenseIndexBlock& repfnz, LU_GlobalLU_t<IndexVector,ScalarVector>& glu)
{
typedef typename ScalarVector::Scalar Scalar;
IndexVector& xsup = glu.xsup;
@@ -75,7 +75,7 @@ void LU_panel_bmod(const int m, const int w, const int jcol, const int nseg, Sca
int i,ksub,jj,nextl_col,irow;
int fsupc, nsupc, nsupr, nrow;
int krep, krep_ind, kfnz;
int krep, kfnz;
int lptr; // points to the row subscripts of a supernode
int luptr; // ...
int segsize,no_zeros,isub ;
@@ -95,8 +95,6 @@ void LU_panel_bmod(const int m, const int w, const int jcol, const int nseg, Sca
nsupr = xlsub(fsupc+1) - xlsub(fsupc);
nrow = nsupr - nsupc;
lptr = xlsub(fsupc);
krep_ind = lptr + nsupc - 1;
// NOTE : Unlike the original implementation in SuperLU, the present implementation
// does not include a 2-D block update.
@@ -104,8 +102,8 @@ void LU_panel_bmod(const int m, const int w, const int jcol, const int nseg, Sca
for (jj = jcol; jj < jcol + w; jj++)
{
nextl_col = (jj-jcol) * m;
VectorBlock<IndexVector> repfnz_col(repfnz.segment(nextl_col, m)); // First nonzero column index for each row
VectorBlock<IndexVector> dense_col(dense.segment(nextl_col, m)); // Scatter/gather entire matrix column from/to here
VectorBlock<IndexVector> repfnz_col(repfnz, nextl_col, m); // First nonzero column index for each row
VectorBlock<ScalarVector> dense_col(dense, nextl_col, m); // Scatter/gather entire matrix column from/to here
kfnz = repfnz_col(krep);
if ( kfnz == IND_EMPTY )