portelli/Grid
1
0
Fork 0
mirror of https://github.com/paboyle/Grid.git synced 2025-06-17 07:17:06 +01:00
Code Releases Activity

updates for deflation in the RB solver

Browse Source
This commit is contained in:
paboyle
2018-02-20 14:28:38 +00:00
parent c96483e3bd
commit 945684c470
4 changed files with 30 additions and 39 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
lib/algorithms/iterative/LocalCoherenceLanczos.h
View File

@ -31,6 +31,7 @@ Author: paboyle <paboyle@ph.ed.ac.uk>
namespace Grid {
struct LanczosParams : Serializable {
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(LanczosParams,
@ -240,21 +241,6 @@ private:
std::vector<CoarseField> _evec_coarse;
public:
static void Deflate(std::vector<FineField> subspace,
std::vector<CoarseField> evec_coarse,
std::vector<RealD> eval_coarse,
const FineField& src_orig,FineField& result)
{
int N = (int)evec_coarse.size();
CoarseField src_coarse(evec_coarse[0]._grid);
CoarseField res_coarse(evec_coarse[0]._grid); res_coarse = zero;
blockProject(src_orig,src_coarse,subspace);
for (int i=0;i<N;i++) {
CoarseField & tmp = evec_coarse[i];
axpy(res_coarse,TensorRemove(innerProduct(tmp,src_coarse)) / eval_coarse[i],tmp,res_coarse);
}
blockPromote(res_coarse,result,subspace);
};
LocalCoherenceLanczos(GridBase *FineGrid,
GridBase *CoarseGrid,