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Commit 364bf6fc authored by Matti Pellika's avatar Matti Pellika
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Simplified omitting.

parent d71514e7
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Geo/Cell.cpp
+ 18
− 4
View file @ 364bf6fc
...@@ -43,10 +43,10 @@ Cell::~Cell() ...@@ -43,10 +43,10 @@ Cell::~Cell()
if(_delimage) delete _image; if(_delimage) delete _image;
} }
bool Cell::findBoundaryCells(std::vector<Cell*>& bdCells) bool Cell::findBoundaryElements(std::vector<MElement*>& bdElements)
{ {
if(_combined) return false; if(_combined) return false;
bdCells.clear(); bdElements.clear();
MElementFactory factory; MElementFactory factory;
for(int i = 0; i < getNumFacets(); i++){ for(int i = 0; i < getNumFacets(); i++){
std::vector<MVertex*> vertices; std::vector<MVertex*> vertices;
...@@ -69,8 +69,7 @@ bool Cell::findBoundaryCells(std::vector<Cell*>& bdCells) ...@@ -69,8 +69,7 @@ bool Cell::findBoundaryCells(std::vector<Cell*>& bdCells)
} }
MElement* element = factory.create(newtype, vertices, 0, MElement* element = factory.create(newtype, vertices, 0,
_image->getPartition()); _image->getPartition());
Cell* cell = new Cell(element); bdElements.push_back(element);
bdCells.push_back(cell);
} }
return true; return true;
} }
...@@ -347,4 +346,19 @@ CombinedCell::CombinedCell(Cell* c1, Cell* c2, bool orMatch, bool co) : Cell() ...@@ -347,4 +346,19 @@ CombinedCell::CombinedCell(Cell* c1, Cell* c2, bool orMatch, bool co) : Cell()
} }
CombinedCell::CombinedCell(std::vector<Cell*>& cells) : Cell()
{
_num = ++_globalNum;
_index = cells.at(0)->getIndex();
_subdomain = cells.at(0)->inSubdomain();
_combined = true;
// cells
for(unsigned int i = 0; i < cells.size(); i++){
Cell* c = cells.at(i);
_cells[c] = 1;
}
}
#endif #endif
Geo/Cell.h
+ 2
− 1
View file @ 364bf6fc
...@@ -100,7 +100,7 @@ class Cell ...@@ -100,7 +100,7 @@ class Cell
else return false; } else return false; }
// find the cells on the boundary of this cell // find the cells on the boundary of this cell
bool findBoundaryCells(std::vector<Cell*>& bdCells); bool findBoundaryElements(std::vector<MElement*>& bdElements);
// get boundary cell orientation // get boundary cell orientation
int findBoundaryCellOrientation(Cell* cell); int findBoundaryCellOrientation(Cell* cell);
...@@ -208,6 +208,7 @@ class CombinedCell : public Cell{ ...@@ -208,6 +208,7 @@ class CombinedCell : public Cell{
public: public:
CombinedCell(Cell* c1, Cell* c2, bool orMatch, bool co=false); CombinedCell(Cell* c1, Cell* c2, bool orMatch, bool co=false);
CombinedCell(std::vector<Cell*>& cells);
~CombinedCell() {} ~CombinedCell() {}
int getDim() const { return _cells.begin()->first->getDim(); } int getDim() const { return _cells.begin()->first->getDim(); }
......
Geo/CellComplex.cpp
+ 57
− 51
View file @ 364bf6fc
...@@ -28,15 +28,12 @@ CellComplex::CellComplex( std::vector<MElement*>& domainElements, ...@@ -28,15 +28,12 @@ CellComplex::CellComplex( std::vector<MElement*>& domainElements,
void CellComplex::panic_exit(){ void CellComplex::panic_exit(){
for(int i = 0; i < 4; i++){ for(int i = 0; i < 4; i++){
_cells[i].clear();
for(citer cit = _ocells[i].begin(); cit != _ocells[i].end(); cit++){ for(citer cit = _ocells[i].begin(); cit != _ocells[i].end(); cit++){
Cell* cell = *cit; Cell* cell = *cit;
delete cell; delete cell;
} }
_ocells[i].clear();
} }
for(unsigned int i = 0; i < _newcells.size(); i++) delete _newcells.at(i); for(unsigned int i = 0; i < _newcells.size(); i++) delete _newcells.at(i);
_newcells.clear();
printf("ERROR: No proper cell complex could be constructed!\n"); printf("ERROR: No proper cell complex could be constructed!\n");
} }
...@@ -57,26 +54,30 @@ bool CellComplex::insert_cells(std::vector<MElement*>& elements, ...@@ -57,26 +54,30 @@ bool CellComplex::insert_cells(std::vector<MElement*>& elements,
printf("ERROR: mesh element %d not implemented! \n", type); printf("ERROR: mesh element %d not implemented! \n", type);
return false; return false;
} }
//Cell* cell = _cellPool.construct(element);
Cell* cell = new Cell(element); Cell* cell = new Cell(element);
cell->setInSubdomain(subdomain); cell->setInSubdomain(subdomain);
std::pair<citer, bool> insertInfo = _cells[cell->getDim()].insert(cell); std::pair<citer, bool> insertInfo = _cells[cell->getDim()].insert(cell);
if(!insertInfo.second) delete cell; if(!insertInfo.second) delete cell;
//if(!insertInfo.second) _cellPool.free(cell);
} }
// add lower dimensional cells recursively // add lower dimensional cells recursively
for (int dim = 3; dim > 0; dim--){ for (int dim = 3; dim > 0; dim--){
for(citer cit = firstCell(dim); cit != lastCell(dim); cit++){ for(citer cit = firstCell(dim); cit != lastCell(dim); cit++){
Cell* cell = *cit; Cell* cell = *cit;
std::vector<Cell*> bdCells; std::vector<MElement*> bdElements;
if(!cell->findBoundaryCells(bdCells)) return false; if(!cell->findBoundaryElements(bdElements)) return false;
for(unsigned int i = 0; i < bdCells.size(); i++){ for(unsigned int i = 0; i < bdElements.size(); i++){
Cell* newCell = bdCells.at(i); //Cell* newCell = _cellPool.construct(bdElements.at(i));
Cell* newCell = new Cell(bdElements.at(i));
newCell->setInSubdomain(subdomain); newCell->setInSubdomain(subdomain);
newCell->setDeleteImage(true); newCell->setDeleteImage(true);
std::pair<citer, bool> insertInfo = std::pair<citer, bool> insertInfo =
_cells[newCell->getDim()].insert(newCell); _cells[newCell->getDim()].insert(newCell);
if(!insertInfo.second){ // the cell was already in the cell complex if(!insertInfo.second){ // the cell was already in the cell complex
delete newCell; delete newCell;
//_cellPool.free(newCell);
newCell = *(insertInfo.first); newCell = *(insertInfo.first);
} }
if(!subdomain) { if(!subdomain) {
...@@ -92,17 +93,12 @@ bool CellComplex::insert_cells(std::vector<MElement*>& elements, ...@@ -92,17 +93,12 @@ bool CellComplex::insert_cells(std::vector<MElement*>& elements,
CellComplex::~CellComplex() CellComplex::~CellComplex()
{ {
for(int i = 0; i < 4; i++){ for(int i = 0; i < 4; i++){
_cells[i].clear();
for(citer cit = _ocells[i].begin(); cit != _ocells[i].end(); cit++){ for(citer cit = _ocells[i].begin(); cit != _ocells[i].end(); cit++){
Cell* cell = *cit; Cell* cell = *cit;
delete cell; delete cell;
} }
_ocells[i].clear();
} }
for(unsigned int i = 0; i < _newcells.size(); i++) delete _newcells.at(i); for(unsigned int i = 0; i < _newcells.size(); i++) delete _newcells.at(i);
_newcells.clear();
} }
void CellComplex::insertCell(Cell* cell) void CellComplex::insertCell(Cell* cell)
...@@ -119,6 +115,7 @@ void CellComplex::insertCell(Cell* cell) ...@@ -119,6 +115,7 @@ void CellComplex::insertCell(Cell* cell)
void CellComplex::removeCell(Cell* cell, bool other) void CellComplex::removeCell(Cell* cell, bool other)
{ {
if(!hasCell(cell)) return;
std::map<Cell*, int, Less_Cell > coboundary; std::map<Cell*, int, Less_Cell > coboundary;
cell->getCoboundary(coboundary); cell->getCoboundary(coboundary);
std::map<Cell*, int, Less_Cell > boundary; std::map<Cell*, int, Less_Cell > boundary;
...@@ -158,7 +155,8 @@ void CellComplex::enqueueCells(std::map<Cell*, int, Less_Cell>& cells, ...@@ -158,7 +155,8 @@ void CellComplex::enqueueCells(std::map<Cell*, int, Less_Cell>& cells,
} }
} }
int CellComplex::coreduction(Cell* startCell, int omitted) int CellComplex::coreduction(Cell* startCell, bool omit,
std::vector<Cell*>& omittedCells)
{ {
int coreductions = 0; int coreductions = 0;
...@@ -184,8 +182,8 @@ int CellComplex::coreduction(Cell* startCell, int omitted) ...@@ -184,8 +182,8 @@ int CellComplex::coreduction(Cell* startCell, int omitted)
bd_s.begin()->first->getCoboundary(cbd_c); bd_s.begin()->first->getCoboundary(cbd_c);
enqueueCells(cbd_c, Q, Qset); enqueueCells(cbd_c, Q, Qset);
removeCell(bd_s.begin()->first); removeCell(bd_s.begin()->first);
if(bd_s.begin()->first->getDim() == 0 && omitted > 0){ if(bd_s.begin()->first->getDim() == 0 && omit){
_store.at(omitted-1).insert(bd_s.begin()->first); omittedCells.push_back(bd_s.begin()->first);
} }
coreductions++; coreductions++;
} }
...@@ -197,7 +195,8 @@ int CellComplex::coreduction(Cell* startCell, int omitted) ...@@ -197,7 +195,8 @@ int CellComplex::coreduction(Cell* startCell, int omitted)
return coreductions; return coreductions;
} }
int CellComplex::reduction(int dim, int omitted) int CellComplex::reduction(int dim, bool omit,
std::vector<Cell*>& omittedCells)
{ {
if(dim < 1 || dim > 3) return 0; if(dim < 1 || dim > 3) return 0;
...@@ -213,9 +212,9 @@ int CellComplex::reduction(int dim, int omitted) ...@@ -213,9 +212,9 @@ int CellComplex::reduction(int dim, int omitted)
Cell* cell = *cit; Cell* cell = *cit;
if( cell->getCoboundarySize() == 1 if( cell->getCoboundarySize() == 1
&& inSameDomain(cell, cell->firstCoboundary()->first)){ && inSameDomain(cell, cell->firstCoboundary()->first)){
++cit; cit++;
if(dim == getDim() && omitted > 0){ if(dim == getDim() && omit){
_store.at(omitted-1).insert(cell->firstCoboundary()->first); omittedCells.push_back(cell->firstCoboundary()->first);
} }
removeCell(cell->firstCoboundary()->first); removeCell(cell->firstCoboundary()->first);
removeCell(cell); removeCell(cell);
...@@ -230,7 +229,8 @@ int CellComplex::reduction(int dim, int omitted) ...@@ -230,7 +229,8 @@ int CellComplex::reduction(int dim, int omitted)
return count; return count;
} }
int CellComplex::coreduction(int dim, int omitted) int CellComplex::coreduction(int dim, bool omit,
std::vector<Cell*>& omittedCells)
{ {
if(dim < 1 || dim > 3) return 0; if(dim < 1 || dim > 3) return 0;
...@@ -247,8 +247,8 @@ int CellComplex::coreduction(int dim, int omitted) ...@@ -247,8 +247,8 @@ int CellComplex::coreduction(int dim, int omitted)
if( cell->getBoundarySize() == 1 if( cell->getBoundarySize() == 1
&& inSameDomain(cell, cell->firstBoundary()->first)){ && inSameDomain(cell, cell->firstBoundary()->first)){
++cit; ++cit;
if(dim-1 == 0 && omitted > 0){ if(dim-1 == 0 && omit){
_store.at(omitted-1).insert(cell->firstBoundary()->first); omittedCells.push_back(cell->firstBoundary()->first);
} }
removeCell(cell->firstBoundary()->first); removeCell(cell->firstBoundary()->first);
removeCell(cell); removeCell(cell);
...@@ -269,25 +269,29 @@ int CellComplex::reduceComplex(bool omit) ...@@ -269,25 +269,29 @@ int CellComplex::reduceComplex(bool omit)
getSize(3), getSize(2), getSize(1), getSize(0)); getSize(3), getSize(2), getSize(1), getSize(0));
int count = 0; int count = 0;
for(int i = 3; i > 0; i--) count = count + reduction(i); std::vector<Cell*> empty;
for(int i = 3; i > 0; i--) count = count + reduction(i, false, empty);
if(omit){ if(omit){
int omitted = 0;
_store.clear();
removeSubdomain(); removeSubdomain();
std::vector<Cell*> newCells;
while (getSize(getDim()) != 0){ while (getSize(getDim()) != 0){
citer cit = firstCell(getDim()); citer cit = firstCell(getDim());
Cell* cell = *cit; Cell* cell = *cit;
removeCell(cell, false);
omitted++; removeCell(cell, false);
std::set< Cell*, Less_Cell > omittedCells; std::vector<Cell*> omittedCells;
_store.push_back(omittedCells); omittedCells.push_back(cell);
_store.at(omitted-1).insert(cell);
for(int j = 3; j > 0; j--) reduction(j, omitted); for(int j = 3; j > 0; j--) reduction(j, true, omittedCells);
CombinedCell* newcell = new CombinedCell(omittedCells);
newCells.push_back(newcell);
}
for(unsigned int i = 0; i < newCells.size(); i++){
insertCell(newCells.at(i));
} }
} }
...@@ -295,9 +299,9 @@ int CellComplex::reduceComplex(bool omit) ...@@ -295,9 +299,9 @@ int CellComplex::reduceComplex(bool omit)
getSize(3), getSize(2), getSize(1), getSize(0)); getSize(3), getSize(2), getSize(1), getSize(0));
combine(3); combine(3);
reduction(2); reduction(2, false, empty);
combine(2); combine(2);
reduction(1); reduction(1, false, empty);
combine(1); combine(1);
printf(" %d volumes, %d faces, %d edges and %d vertices. \n", printf(" %d volumes, %d faces, %d edges and %d vertices. \n",
...@@ -325,31 +329,33 @@ int CellComplex::coreduceComplex(bool omit) ...@@ -325,31 +329,33 @@ int CellComplex::coreduceComplex(bool omit)
int count = 0; int count = 0;
removeSubdomain(); removeSubdomain();
std::vector<Cell*> empty;
for(int dim = 0; dim < 4; dim++){ for(int dim = 0; dim < 4; dim++){
citer cit = firstCell(dim); citer cit = firstCell(dim);
while(cit != lastCell(dim)){ while(cit != lastCell(dim)){
Cell* cell = *cit; Cell* cell = *cit;
count = count + coreduction(cell); count = count + coreduction(cell, false, empty);
if(count != 0) break; if(count != 0) break;
cit++; cit++;
} }
} }
int omitted = 0;
if(omit){ if(omit){
_store.clear(); std::vector<Cell*> newCells;
while (getSize(0) != 0){ while (getSize(0) != 0){
citer cit = firstCell(0); citer cit = firstCell(0);
Cell* cell = *cit; Cell* cell = *cit;
removeCell(cell, false); removeCell(cell, false);
std::set< Cell*, Less_Cell > omittedCells; std::vector<Cell*> omittedCells;
omitted++; omittedCells.push_back(cell);
_store.push_back(omittedCells);
_store.at(omitted-1).insert(cell); coreduction(cell, true, omittedCells);
coreduction(cell, omitted); CombinedCell* newcell = new CombinedCell(omittedCells);
newCells.push_back(newcell);
}
for(unsigned int i = 0; i < newCells.size(); i++){
insertCell(newCells.at(i));
} }
} }
...@@ -357,17 +363,17 @@ int CellComplex::coreduceComplex(bool omit) ...@@ -357,17 +363,17 @@ int CellComplex::coreduceComplex(bool omit)
getSize(3), getSize(2), getSize(1), getSize(0)); getSize(3), getSize(2), getSize(1), getSize(0));
cocombine(0); cocombine(0);
coreduction(1); coreduction(1, false, empty);
cocombine(1); cocombine(1);
coreduction(2); coreduction(2, false, empty);
cocombine(2); cocombine(2);
coreduction(3); coreduction(3, false, empty);
coherent(); coherent();
printf(" %d volumes, %d faces, %d edges and %d vertices. \n", printf(" %d volumes, %d faces, %d edges and %d vertices. \n",
getSize(3), getSize(2), getSize(1), getSize(0)); getSize(3), getSize(2), getSize(1), getSize(0));
return omitted; return 0;
} }
int CellComplex::cocombine(int dim) int CellComplex::cocombine(int dim)
...@@ -464,7 +470,8 @@ int CellComplex::combine(int dim) ...@@ -464,7 +470,8 @@ int CellComplex::combine(int dim)
c2->getBoundary(bd_c); c2->getBoundary(bd_c);
enqueueCells(bd_c, Q, Qset); enqueueCells(bd_c, Q, Qset);
CombinedCell* newCell = new CombinedCell(c1, c2, (or1 != or2) ); CombinedCell* newCell = new CombinedCell(c1, c2, (or1 != or2));
//CombinedCell* newCell = _ccellPool.construct(c1, c2, (or1 != or2));
removeCell(c1); removeCell(c1);
removeCell(c2); removeCell(c2);
insertCell(newCell); insertCell(newCell);
...@@ -568,7 +575,6 @@ void CellComplex::restoreComplex() ...@@ -568,7 +575,6 @@ void CellComplex::restoreComplex()
delete cell; delete cell;
} }
_newcells.clear(); _newcells.clear();
_store.clear();
} }
void CellComplex::printComplex(int dim) void CellComplex::printComplex(int dim)
......
Geo/CellComplex.h
+ 8
− 13
View file @ 364bf6fc
...@@ -21,6 +21,7 @@ ...@@ -21,6 +21,7 @@
#include "MElement.h" #include "MElement.h"
#include "ChainComplex.h" #include "ChainComplex.h"
//#include "GModel.h" //#include "GModel.h"
#include <boost/pool/object_pool.hpp>
class Cell; class Cell;
...@@ -30,11 +31,8 @@ class CellComplex ...@@ -30,11 +31,8 @@ class CellComplex
private: private:
// sorted containers of unique cells in this cell complex // sorted containers of unique cells in this cell complex
// one for each dimension // one for each dimension
std::set<Cell*, Less_Cell> _cells[4]; std::set<Cell*, Less_Cell> _cells[4];
// temporary store for omitted cells (generators of the highest dimension)
std::vector< std::set<Cell*, Less_Cell> > _store;
// original cells of this cell complex // original cells of this cell complex
std::set<Cell*, Less_Cell> _ocells[4]; std::set<Cell*, Less_Cell> _ocells[4];
...@@ -60,8 +58,9 @@ class CellComplex ...@@ -60,8 +58,9 @@ class CellComplex
void removeCell(Cell* cell, bool other=true); void removeCell(Cell* cell, bool other=true);
void insertCell(Cell* cell); void insertCell(Cell* cell);
// queued coreduction presented in Mrozek's paper // queued coreduction
int coreduction(Cell* startCell, int omitted=0); int coreduction(Cell* startCell, bool omit,
std::vector<Cell*>& omittedCells);
public: public:
...@@ -106,8 +105,8 @@ class CellComplex ...@@ -106,8 +105,8 @@ class CellComplex
// (co)reduction of this cell complex // (co)reduction of this cell complex
// removes (co)reduction pairs of cell of dimension dim and dim-1 // removes (co)reduction pairs of cell of dimension dim and dim-1
int reduction(int dim, int omitted=0); int reduction(int dim, bool omit, std::vector<Cell*>& omittedCells);
int coreduction(int dim, int omitted=0); int coreduction(int dim, bool omit, std::vector<Cell*>& omittedCells);
// Cell combining for reduction and coreduction // Cell combining for reduction and coreduction
int combine(int dim); int combine(int dim);
...@@ -129,10 +128,6 @@ class CellComplex ...@@ -129,10 +128,6 @@ class CellComplex
void printEuler(){ void printEuler(){
printf("Euler characteristic: %d. \n", eulerCharacteristic()); } printf("Euler characteristic: %d. \n", eulerCharacteristic()); }
// get cells omitted by (co)reduction
int getNumOmitted() { return _store.size(); }
std::set<Cell*, Less_Cell> getOmitted(int i) { return _store.at(i); }
// restore the cell complex to its original state before (co)reduction // restore the cell complex to its original state before (co)reduction
void restoreComplex(); void restoreComplex();
......
Geo/ChainComplex.cpp
+ 1
− 2
View file @ 364bf6fc
...@@ -96,7 +96,6 @@ ChainComplex::ChainComplex(CellComplex* cellComplex, int domain) ...@@ -96,7 +96,6 @@ ChainComplex::ChainComplex(CellComplex* cellComplex, int domain)
} }
mpz_clear(elem); mpz_clear(elem);
} }
_kerH[dim] = NULL; _kerH[dim] = NULL;
_codH[dim] = NULL; _codH[dim] = NULL;
_JMatrix[dim] = NULL; _JMatrix[dim] = NULL;
...@@ -482,7 +481,7 @@ void ChainComplex::getBasisChain(std::map<Cell*, int, Less_Cell>& chain, ...@@ -482,7 +481,7 @@ void ChainComplex::getBasisChain(std::map<Cell*, int, Less_Cell>& chain,
} }
mpz_clear(elem); mpz_clear(elem);
if(deform) smoothenChain(chain); if(deform && (dim == 1 || dim == 2) ) smoothenChain(chain);
} }
int ChainComplex::getBasisSize(int dim, int basis) int ChainComplex::getBasisSize(int dim, int basis)
......
Geo/Homology.cpp
+ 1
− 38
View file @ 364bf6fc
...@@ -168,23 +168,6 @@ void Homology::findGenerators(CellComplex* cellComplex) ...@@ -168,23 +168,6 @@ void Homology::findGenerators(CellComplex* cellComplex)
_generators.push_back(chain->createPGroup()); _generators.push_back(chain->createPGroup());
delete chain; delete chain;
} }
if(j == cellComplex->getDim() && cellComplex->getNumOmitted() > 0){
for(int i = 0; i < cellComplex->getNumOmitted(); i++){
std::string generator;
convert(i+1, generator);
std::string name = "H" + dimension + domainString + generator;
std::vector<int> coeffs (cellComplex->getOmitted(i).size(),1);
Chain* chain = new Chain(cellComplex->getOmitted(i), coeffs,
cellComplex, _model, name, 1);
if(chain->getSize() == 0){
delete chain;
continue;
}
HRank[j] = HRank[j] + 1;
_generators.push_back(chain->createPGroup());
delete chain;
}
}
} }
if(_fileName != "") writeGeneratorsMSH(); if(_fileName != "") writeGeneratorsMSH();
...@@ -267,26 +250,6 @@ void Homology::findDualGenerators(CellComplex* cellComplex) ...@@ -267,26 +250,6 @@ void Homology::findDualGenerators(CellComplex* cellComplex)
dim-j, i, chain->getTorsion()); dim-j, i, chain->getTorsion());
} }
} }
if(j == 0 && cellComplex->getNumOmitted() > 0){
for(int i = 0; i < cellComplex->getNumOmitted(); i++){
std::string generator;
convert(i+1, generator);
std::string name
= "H" + dimension + "*" +
getDomainString(_domain, _subdomain) + generator;
std::vector<int> coeffs (cellComplex->getOmitted(i).size(),1);
Chain* chain = new Chain(cellComplex->getOmitted(i), coeffs,
cellComplex, _model, name, 1);
if(chain->getSize() == 0) {
delete chain;
continue;
}
HRank[dim-j] = HRank[dim-j] + 1;
_generators.push_back(chain->createPGroup());
delete chain;
}
}
} }
if(_fileName != "") writeGeneratorsMSH(); if(_fileName != "") writeGeneratorsMSH();
...@@ -313,7 +276,7 @@ void Homology::findHomSequence(){ ...@@ -313,7 +276,7 @@ void Homology::findHomSequence(){
Msg::StatusBar(1, false, "Reducing..."); Msg::StatusBar(1, false, "Reducing...");
double t1 = Cpu(); double t1 = Cpu();
cellComplex->reduceComplex(false); cellComplex->reduceComplex();
double t2 = Cpu(); double t2 = Cpu();
Msg::Info("Cell Complex reduction complete (%g s).", t2 - t1); Msg::Info("Cell Complex reduction complete (%g s).", t2 - t1);
......
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