void main()
{
Graph g;
CSTree t;
printf("请选择无向图\n");
CreateGraph(g);
Display(g);
DFSForest(g, t);
printf("先序遍历生成森林：\n");
PreOrderTraverse(t, Visit);
printf("\n");
}
void main()
{
int i,j,k,n;
ALGraph g;
VertexType v1,v2;
printf("请顺序选择有向图,有向网,无向图,无向网\n");
for(i=0;i<4;i++) // 验证4种情况
{
CreateGraph(g);
Display(g);
printf("插入新顶点，请输入顶点的值: ");
scanf("%s",v1);
InsertVex(g,v1);
printf("插入与新顶点有关的弧或边，请输入弧或边数: ");
scanf("%d",&n);
for(k=0;k<n;k++)
{
printf("请输入另一顶点的值: ");
scanf("%s",v2);
if(g.kind<=1) // 有向
{
printf("对于有向图或网，请输入另一顶点的方向(0:弧头 1:弧尾): ");
scanf("%d",&j);
if(j)
InsertArc(g,v2,v1);
else
InsertArc(g,v1,v2);
}
else // 无向
InsertArc(g,v1,v2);
}
Display(g);
if(i==3)
{
printf("删除一条边或弧，请输入待删除边或弧的弧尾 弧头：");
scanf("%s%s",v1,v2);
DeleteArc(g,v1,v2);
printf("修改顶点的值，请输入原值 新值: ");
scanf("%s%s",v1,v2);
PutVex(g,v1,v2);
}
printf("删除顶点及相关的弧或边，请输入顶点的值: ");
scanf("%s",v1);
DeleteVex(g,v1);
Display(g);
DestroyGraph(g);
}
}
int main( void )
{
/* 그래프 생성 */
Graph* G = CreateGraph();
/* 정점 생성 */
Vertex* V1 = CreateVertex( '1' );
Vertex* V2 = CreateVertex( '2' );
Vertex* V3 = CreateVertex( '3' );
Vertex* V4 = CreateVertex( '4' );
Vertex* V5 = CreateVertex( '5' );
/* 그래프에 정점을 추가 */
AddVertex( G, V1 );
AddVertex( G, V2 );
AddVertex( G, V3 );
AddVertex( G, V4 );
AddVertex( G, V5 );
/* 정점과 정점을 간선으로 잇기 */
AddEdge( V1, CreateEdge(V1, V2, 0) );
AddEdge( V1, CreateEdge(V1, V3, 0) );
AddEdge( V1, CreateEdge(V1, V4, 0) );
AddEdge( V1, CreateEdge(V1, V5, 0) );
AddEdge( V2, CreateEdge(V2, V1, 0) );
AddEdge( V2, CreateEdge(V2, V3, 0) );
AddEdge( V2, CreateEdge(V2, V5, 0) );
AddEdge( V3, CreateEdge(V3, V1, 0) );
AddEdge( V3, CreateEdge(V3, V2, 0) );
AddEdge( V4, CreateEdge(V4, V1, 0) );
AddEdge( V4, CreateEdge(V4, V5, 0) );
AddEdge( V5, CreateEdge(V5, V1, 0) );
AddEdge( V5, CreateEdge(V5, V2, 0) );
AddEdge( V5, CreateEdge(V5, V4, 0) );
PrintGraph( G );
/* 그래프 소멸 */
DestroyGraph( G );
return 0;
}
int main()
{
//그래프 생성
Graph* G = CreateGraph();
// 정점 생성
Vertex* V1 = CreateVertex('1');
Vertex* V2 = CreateVertex('2');
Vertex* V3 = CreateVertex('3');
Vertex* V4 = CreateVertex('4');
Vertex* V5 = CreateVertex('5');
// 그래프에 정점을 추가
AddVertex(G, V1);
AddVertex(G, V2);
AddVertex(G, V3);
AddVertex(G, V4);
AddVertex(G, V5);
// 정점과 정점을 간선으로 잇기
AddEdge(V1, CreateEdge(V1, V2, 0));
AddEdge(V1, CreateEdge(V1, V3, 0));
AddEdge(V1, CreateEdge(V1, V4, 0));
AddEdge(V1, CreateEdge(V1, V5, 0));
AddEdge(V2, CreateEdge(V2, V1, 0));
AddEdge(V2, CreateEdge(V2, V2, 0));
AddEdge(V2, CreateEdge(V2, V5, 0));
AddEdge(V3, CreateEdge(V3, V1, 0));
AddEdge(V3, CreateEdge(V3, V2, 0));
AddEdge(V4, CreateEdge(V4, V1, 0));
AddEdge(V4, CreateEdge(V4, V5, 0));
AddEdge(V5, CreateEdge(V5, V1, 0));
AddEdge(V5, CreateEdge(V5, V2, 0));
AddEdge(V5, CreateEdge(V5, V4, 0));
PrintGraph(G);
// 그래프 소멸
DestroyGraph(G);
return 0;
}
int main(int argc, char *argv[])
{
graph g;
g = CreateGraph(9);
g = AddEdgeDirected(g,1,2);
g = AddEdgeDirected(g,1,4);
g = AddEdgeDirected(g,1,3);
//g = AddEdgeDirected(g,4,2);
//g = AddEdgeDirected(g,3,4);
g = AddEdgeDirected(g,3,5);
g = AddEdgeDirected(g,4,6);
g = AddEdgeDirected(g,5,9);
g = AddEdgeDirected(g,5,8);
g = AddEdgeDirected(g,9,7);
//printf("%d ", Value(g[1].top->next));
IsCyclicGraph(g);
}
LGraph BuildGraph()
{
int i;
int nv,ne;
LGraph newGraph;
Edge newEdge;
printf("input Nv,Ne:");
scanf("%d %d",&nv,&ne);
newGraph = CreateGraph(nv);
newGraph->ne = ne;
for(i = 0; i< ne; i++){
newEdge = (Edge)malloc(sizeof(struct ENode));
printf("input <v1,v2>");
scanf("%d %d %d",&newEdge->v1,&newEdge->v2,&newEdge->weight);/*有权重就读权重呗*/
InsertEdge(newGraph,newEdge);
}
return newGraph;
}
static bool GenDrawFormatFile(Digraph& dg, VNG_Param& param, const string& fmt, char** result, unsigned int* length)
{
GVC_t* gvc = gvContext();
//创建图
Agraph_t* g = CreateGraph(dg, param);
gvLayout(gvc,g,"dot");
//写入到缓存数组中
gvRenderData(gvc,g,fmt.c_str(), result, length);
//gvFreeRenderData(result);
gvFreeLayout(gvc,g);
agclose(g);
// gvfreecontext函数返回错误个数
// 错误数为0表示没有问题
return (gvFreeContext(gvc) == 0);
}
BOOL CGraphShowDlg::OnInitDialog()
{
CDialog::OnInitDialog();
if (m_uiADCFileLength > 0)
{
m_pSampleData = new double[m_uiADCFileLength];
}
// 创建绘图控件并设置相关参数
CreateGraph(IDC_STATIC_GRAPHSHOW, &m_OScopeCtrl);
// customize the control
SetRange(DrawGraphYAxisLower, DrawGraphYAxisUpper, DecimalPlaces, &m_OScopeCtrl) ;
SetYUnits(DrawGraphYAxisLabel, &m_OScopeCtrl) ;
SetXUnits(DrawGraphXAxisLabel, &m_OScopeCtrl) ;
SetBackgroundColor(DrawGraphSetBackgroundColor, &m_OScopeCtrl) ;
SetGridColor(DrawGraphSetGridColor, &m_OScopeCtrl) ;
SetPlotColor(DrawGraphSetPlotColor, &m_OScopeCtrl) ;
m_Sec_GraphADCShow.Lock();
m_uiADCGraphDrowFromNb = (m_pADCDataRecThread->m_uiADCDataFrameCount[m_uiADCGraphNb - 1]) * ReceiveDataSize;
m_Sec_GraphADCShow.Unlock();
if (m_uiADCGraphDrowFromNb > m_OScopeCtrl.m_uiXAxisPointNum)
{
m_OScopeCtrl.m_uiXAxisLabelMax = m_uiADCGraphDrowFromNb;
}
else
{
m_OScopeCtrl.m_uiXAxisLabelMax = m_OScopeCtrl.m_uiXAxisPointNum;
}
m_OScopeCtrl.m_uiXAxisLabelMin = m_OScopeCtrl.m_uiXAxisLabelMax - m_OScopeCtrl.m_uiXAxisPointNum;
m_OScopeCtrl.Reset(false);
m_OScopeCtrl.m_dPreviousPosition = 0.0;
m_OScopeCtrl.m_uiPointNum = m_uiADCGraphDrowFromNb; // 绘制了的点的个数
// OnSetHScrollBarRange();
m_OScopeCtrl.m_bStopSample = m_bStopSample;
m_Sec_GraphADCShow.Lock();
m_pADCDataRecThread->m_pOScopeCtrl[m_uiADCGraphNb - 1] = &m_OScopeCtrl;
m_pADCDataRecThread->m_uiADCGraphIP[m_uiADCGraphNb - 1] = IPSetAddrStart + IPSetAddrInterval * m_uiADCGraphNb;
m_Sec_GraphADCShow.Unlock();
return TRUE; // return TRUE unless you set the focus to a control
}
BOOL CGraphShowDlg::OnInitDialog()
{
CDialog::OnInitDialog();
// 创建绘图控件并设置相关参数
CreateGraph(IDC_STATIC_GRAPHSHOW, &m_OScopeCtrl);
// customize the control
SetRange(-2.5, 2.5, DecimalPlaces, &m_OScopeCtrl) ;
SetYUnits("Y", &m_OScopeCtrl) ;
SetXUnits("X", &m_OScopeCtrl) ;
SetBackgroundColor(RGB(0, 0, 64), &m_OScopeCtrl) ;
SetGridColor(RGB(192, 192, 255), &m_OScopeCtrl) ;
SetPlotColor(RGB(255, 255, 255), &m_OScopeCtrl) ;
unsigned int uiLength = 0;
m_Sec.Lock();
uiLength = m_ADCDataRecThread->m_uiADCDataFrameCount[m_uiADCGraphNb - 1] * ReceiveDataSize;
m_Sec.Unlock();
if (uiLength > m_OScopeCtrl.m_uiXAxisPointNum)
{
m_OScopeCtrl.m_uiXAxisLabelMax = uiLength;
}
else
{
m_OScopeCtrl.m_uiXAxisLabelMax = m_OScopeCtrl.m_uiXAxisPointNum;
}
m_OScopeCtrl.m_uiXAxisLabelMin = m_OScopeCtrl.m_uiXAxisLabelMax - m_OScopeCtrl.m_uiXAxisPointNum;
m_OScopeCtrl.Reset(false);
m_OScopeCtrl.m_dPreviousPosition = 0.0;
m_OScopeCtrl.m_uiPointNum = uiLength; // 绘制了的点的个数
m_dSampleData.reserve(1024);
OnSetHScrollBarRange();
m_Sec.Lock();
m_ADCDataRecThread->m_uiADCGraphIP = 71 + 10 * m_uiADCGraphNb;
m_Sec.Unlock();
m_OScopeCtrl.m_bStopSample = m_bStopSample;
return TRUE; // return TRUE unless you set the focus to a control
}
int main() {
MGraph graph;
int articulated[MAXVEX + 1];
int i, j;
if (CreateGraph(&graph) != OK)return 1;
for (i = 0; i < graph.vexnum; i++) {
for (j = 0; j < graph.vexnum; j++) {
if (graph.arcs[i][j] == MAXINT)printf("∞");
else printf("%2d", graph.arcs[i][j]);
}
printf("\n");
}
printf("%d\n", isBiconnectedGraph(graph));
if (FindArticul(graph, articulated) != OK)return 1;
for (i = 1; i <= articulated[0]; ++i)
printf("%d ", articulated[i]);
printf("\n");
return 0;
}
BacklashGraph::BacklashGraph(wxDialog *parent, BacklashTool *pBL)
: wxDialog(parent, wxID_ANY, wxGetTranslation(_("Backlash Results")), wxDefaultPosition, wxSize(500, 400))
{
m_BLT = pBL;
// Just but a big button area for the graph with a button below it
wxBoxSizer *vSizer = new wxBoxSizer(wxVERTICAL);
// Use a bitmap button so we don't waste cycles in paint events
wxBitmap theGraph = CreateGraph(450, 300);
wxBitmapButton *graphButton = new wxBitmapButton(this, wxID_ANY, theGraph, wxDefaultPosition, wxSize(450, 300), wxBU_AUTODRAW | wxBU_EXACTFIT);
vSizer->Add(graphButton, 0, wxALIGN_CENTER_HORIZONTAL | wxALL | wxFIXED_MINSIZE, 5);
graphButton->SetBitmapDisabled(theGraph);
graphButton->Enable(false);
// ok button because we're modal
vSizer->Add(
CreateButtonSizer(wxOK),
wxSizerFlags(0).Expand().Border(wxALL, 10));
SetSizerAndFit(vSizer);
}
void main()
{
int i,j,k,n;
MGraph g;
VertexType v1,v2;
printf("请顺序选择有向图,有向网,无向图,无向网\n");
for(i=0;i<4;i++) // 验证4种情况
{
CreateGraph(g); // 构造图g
Display(g); // 输出图g
printf("插入新顶点，请输入顶点的值: ");
scanf("%s",v1);
InsertVex(g,v1);
printf("插入与新顶点有关的弧或边，请输入弧或边数: ");
scanf("%d",&n);
for(k=0;k<n;k++)
{
printf("请输入另一顶点的值: ");
scanf("%s",v2);
if(g.kind<=1) // 有向
{
printf("对于有向图或网，请输入另一顶点的方向(0:弧头 1:弧尾): ");
scanf("%d",&j);
if(j) // v2是弧尾
InsertArc(g,v2,v1);
else // v2是弧头
InsertArc(g,v1,v2);
}
else // 无向
InsertArc(g,v1,v2);
}
Display(g); // 输出图g
printf("删除顶点及相关的弧或边，请输入顶点的值: ");
scanf("%s",v1);
DeleteVex(g,v1);
Display(g); // 输出图g
}
DestroyGraph(g); // 销毁图g
}
int main(){
int n;
printf("\nEnter the number of nodes in graph : ");
scanf("%d",&n);
GNode* graph=CreateGraph(n);
int i,source,dest;
int E;
printf("\nEnter the number of edges : ");
scanf("%d",&E);
for(i=0;i<E;i++){
printf("\nEnter source destionation...");
scanf("%d %d",&source,&dest);
AddVertex(graph,source,dest);
}
printf("\nPress enter to traverse adjacency List\n");
getch();
TraverseAdjList(graph);
getch();
printf("\nEnter src & dest to see if there exists a path between them : ");
scanf("%d %d",&source,&dest);
int result=BFS(graph,source,dest);
printf("\nPress enter to see result : ");
getch();
if(result){
printf("\nYes - Path exists");
}else{
printf("\nNo - Path doesn't exist");
}
getch();
return 0;
}
// Populate one of the panels in the wxNotebook
void CalReviewDialog::CreatePanel(wxPanel* thisPanel, bool AO)
{
wxBoxSizer* panelHSizer = new wxBoxSizer(wxHORIZONTAL);
thisPanel->SetSizer(panelHSizer);
// Put the graph and its legend on the left side
wxBoxSizer* panelGraphVSizer = new wxBoxSizer(wxVERTICAL);
panelHSizer->Add(panelGraphVSizer, 0, wxALIGN_CENTER_VERTICAL | wxALL, 5);
// Use a bitmap button so we don't have to fool with Paint events
wxBitmap theGraph = CreateGraph(AO);
wxBitmapButton* graphButton = new wxBitmapButton(thisPanel, wxID_ANY, theGraph, wxDefaultPosition, wxSize(250, 250), wxBU_AUTODRAW | wxBU_EXACTFIT);
panelGraphVSizer->Add(graphButton, 0, wxALIGN_CENTER_HORIZONTAL | wxALL | wxFIXED_MINSIZE, 5);
graphButton->SetBitmapDisabled(theGraph);
graphButton->Enable(false);
wxBoxSizer* graphLegendGroup = new wxBoxSizer(wxHORIZONTAL);
panelGraphVSizer->Add(graphLegendGroup, 0, wxALIGN_CENTER_HORIZONTAL | wxALL, 5);
wxStaticText* labelRA = new wxStaticText(thisPanel, wxID_STATIC, _("Right Ascension"), wxDefaultPosition, wxDefaultSize, 0);
labelRA->SetForegroundColour(pFrame->pGraphLog->GetRaOrDxColor());
if (AO)
labelRA->SetLabelText(_("X"));
else
labelRA->SetLabelText(_("Right Ascension"));
graphLegendGroup->Add(labelRA, 0, wxALIGN_CENTER_VERTICAL | wxALL, 5);
wxStaticText* labelDec = new wxStaticText(thisPanel, wxID_STATIC, _("Declination"), wxDefaultPosition, wxDefaultSize, 0);
labelDec->SetForegroundColour(pFrame->pGraphLog->GetDecOrDyColor());
if (AO)
labelDec->SetLabelText(_("Y"));
else
labelDec->SetLabelText(_("Declination"));
graphLegendGroup->Add(labelDec, 0, wxALIGN_CENTER_VERTICAL | wxALL, 5);
// Done with left-hand side
// Now put the data grid(s) on the right side
thisPanel->SetForegroundColour("WHITE");
CreateDataGrids(thisPanel, panelHSizer, AO); // Virtual function
}
void create_theory(){
double mass[]={300,400,500,600,700,800,900,1000};
int N=sizeof(mass)/sizeof(double);
double stopxs[]={1.99608,0.35683,0.0855847,0.0248009,0.0081141,0.00289588,0.00109501,0.000435488};
double squarkxs[]={19.8283,3.54338,0.847051,0.244862,0.0799667,0.0284146, 0.0106744, 0.00424173,0.0106744};
double squarkxsE[]={15.8736,15.6882,16.3916,17.9829,19.7578,22.2285,25.4549};
double scale=0.4;
CreateGraph("stop_xs_st_Acc0p5");
for(int iP=0; iP<N; iP++){
grName["stop_xs"]->SetPoint(iP,mass[iP],stopxs[iP]*1000);
grName["stop_xs_st_Acc0p5"]->SetPoint(iP,mass[iP]*2,stopxs[iP]*1000*0.005);
}
for(int iP=0; iP<N; iP++){
grName["squark_xs"]->SetPoint(iP,mass[iP],scale*squarkxs[iP]*1000);
grName["squark_xs"]->SetPointError(iP,0,0,scale*squarkxs[iP]*(squarkxsE[iP]/100)*1000,squarkxs[iP]*(squarkxsE[iP]/100)*1000);
}
}
main()
{
int x,y,vertex,*result;
char input[1000],*num;
tGraph *graph;
printf("input vertex count of your gragdddp:") ;
scanf("%d",&vertex);
graph=CreateGraph(vertex);
printf("input your graph use matrix \n");
for (x=0;x<vertex;x++)
{
scanf("%s",input);
num=strtok(input,SP);
y=0;
while(num!=NULL)
{
if(isdigit(num[0])) SetVertex(graph,x,y,atoi(num));
num=strtok(NULL,SP);
y++;
}
}
for (x=0;x<vertex;x++)
for(y=0;y<vertex;y++)
printf("%d ",GetVertex(graph,x,y)),y==vertex-1?printf("\n"):0;
result=CalcShortestPath(graph,0,vertex-1);
x=0;
if (result!=NULL)
{
while (result[x]!=vertex-1)
printf("%d-->",result[x++]);
printf("%d\n",result[x]);
}
else
printf("no way!\n");
system("pause");
}
void PluginTreeBuilder::Calculate ()
{
Graph_.clear ();
Object2Vertex_.clear ();
Result_.clear ();
CreateGraph ();
QMap<Edge_t, QPair<Vertex_t, Vertex_t> > edge2vert = MakeEdges ();
QMap<Vertex_t, QList<Vertex_t> > reachable;
QPair<Vertex_t, Vertex_t> pair;
Q_FOREACH (pair, edge2vert)
reachable [pair.first] << pair.second;
QList<Edge_t> backEdges;
CycleDetector<Edge_t> cd (backEdges);
boost::depth_first_search (Graph_, boost::visitor (cd));
QList<Vertex_t> backVertices;
Q_FOREACH (const Edge_t& backEdge, backEdges)
backVertices << edge2vert [backEdge].first;
FulfillableChecker<Graph_t, Vertex_t> checker (Graph_, backVertices, reachable);
boost::depth_first_search (Graph_, boost::visitor (checker));
typedef boost::filtered_graph<Graph_t, boost::keep_all, VertexPredicate<Graph_t> > fg_t;
fg_t fg = fg_t (Graph_,
boost::keep_all (),
VertexPredicate<Graph_t> (Graph_));
QList<Vertex_t> vertices;
boost::topological_sort (fg,
std::back_inserter (vertices));
Q_FOREACH (const Vertex_t& vertex, vertices)
Result_ << fg [vertex].Object_;
}
int main(){
int n;
printf("\nEnter the number of nodes in graph : ");
scanf("%d",&n);
GNode* graph=CreateGraph(n);
int i,source,dest,weight;
int E;
printf("\nenter the num of edges : ");
scanf("%d",&E);
for(i=0;i<E;i++){
printf("\nEnter source destionation and weight...");
scanf("%d %d %d",&source,&dest,&weight);
AddVertex(graph,source,dest,weight);
}
printf("\nPress enter to traverse adjacency List\n");
getch();
TraverseAdjList(graph);
getch();
return 0;
}
int main(){
/*
int a,b,c,d,e,f,g,h;
scanf("%d,%d,%d,%d",&a,&b,&c,&d);
getchar();
Queue Q = CreateQueue();
Enqueue(Q,a);
Enqueue(Q,b);
Enqueue(Q,c);
Enqueue(Q,d);
e = Dequeue(Q);
printf("%d\n",e);
f = Dequeue(Q);
printf("%d\n",f);
g = Dequeue(Q);
printf("%d\n",g);
h = Dequeue(Q);
printf("%d\n",h);
printf("%d,%d,%d,%d\n",e,f,g,h);
getchar();
*/
int vertexNumber = 0;
int vertex;
int weights;
int i;
int f;
Table table;
printf("Create graph:\n");
printf("Input vertex number:");
scanf("%d",&vertexNumber);
getchar();
printf("Graph initing...\n");
Graph graph = CreateGraph(vertexNumber);
if(graph == NULL){
printf("Graph init failed\n");
return 0;
}
for(i = 1;i <= vertexNumber;i++){
printf("Vertex:%d\nHas adjavent?[1/0]:",i);
scanf("%d",&f);
getchar();
while(f){
printf("adjacent:");
scanf("%d",&vertex);
getchar();
printf("weights:");
scanf("%d",&weights);
getchar();
printf("continue?[1/0]:");
scanf("%d",&f);
getchar();
AddEdge(graph,i,vertex,weights);
}
}
ShowGraph(graph,vertexNumber);
printf("input source:");
scanf("%d",&i);
getchar();
table = Dijkstra(graph,i,vertexNumber);
ShowTable(table,vertexNumber);
PrintPath(table,i,2);
printf("hello linux c\n");
return 0;
}
int main() {
int i;
ALGraph G;
//创建图
CreateGraph(&G);
//深度优先遍历图
DFSTraverse(G,PrintElem);
printf("\n");
//求关节点
FindArticul(G);
printf("i G.vertices[i].data visited[i] low[i] Order_Low\n");
for(i = 0; i < G.vexnum ; i++)
printf("%d %d %d %d %d\n",i,G.vertices[i].data,visited[i],low[i],Order_Low[i]);
return 0;
/*
please enter the kind of graph(DG:0,DN:1,UDG:2,UDN:3):2
please the vexnum and arcnum:13,17
please enter the value of each vertex:1,2,3,4,5,6,7,8,9,10,11,12,13
please enter the heads and tails:
1,2
1,3
1,6
1,12
2,3
2,4
2,7
2,8
2,13
4,5
7,8
7,9
7,11
8,11
10,12
10,13
12,13
>>（可以看到2输出了两次，这是因为删除2会将图分割成三颗树）
1 2 3 4 5 7 8 11 9 13 10 12 6
6,7
1,2
3,4
1,2
0,1
i G.vertices[i].data visited[i] low[i] Order_Low
0 1 1 1 0
1 2 5 1 9
2 3 12 1 8
3 4 10 5 7
4 5 11 10 6
5 6 13 1 12
6 7 8 5 3
7 8 6 5 5
8 9 9 8 2
9 10 4 2 1
10 11 7 5 4
11 12 2 1 11
12 13 3 1 10
*/
}
int main()
{
printf("Welcome to Supply route problem..\n");
int testcase;
int T;
scanf("%d", &T);
for(testcase=1; testcase <=T; testcase++) {
int num;
int r;
int c;
int ans;
char ch;
int k;
/*
time_t start, stop;
clock_t ticks; long count;
time(&start);*/
clock_t start, stop;
start = clock();
scanf("%d", &num);
/* Initialize Adjacency List */
for(r=0; r< num*num; r++) {
for(c=0; c<4; c++) {
adjlist[r][c] = -1;
}
}
for(r=0; r< num; r++) {
for(c=0; c< num; c++) {
scanf(" %c", &ch);
inputmat[r][c] = ch - '0';
}
}
#if 0
for(r=0; r< num; r++) {
for(c=0; c< num; c++) {
printf("[%d]", inputmat[r][c]);
}
printf("\n");
}
#endif
CreateGraph(num);
/* Diktra preparation */
for(k=0; k < num*num; k++) {
dist[k] = INF;
visited[k] = NO;
}
dist[0] = 0;
ShortestPath(num);
ans = dist[num*num -1];
printf("#%d %d\n", testcase, ans);
stop = clock();
//time(&stop);
printf("testcase [%d] started %6.3f seconds Finished %6.3f \n", testcase, start, stop /*difftime(stop, start)*/);
}
}
void main()
{
int i,j,k,n;
ALGraph g;
VertexType v1,v2;
printf("请选择有向图\n");
CreateGraph(&g);
Display(g);
printf("删除一条边或弧，请输入待删除边或弧的弧尾 弧头：");
scanf("%s%s",v1,v2);
DeleteArc(&g,v1,v2);
printf("修改顶点的值，请输入原值 新值: ");
scanf("%s%s",v1,v2);
PutVex(&g,v1,v2);
printf("插入新顶点，请输入顶点的值: ");
scanf("%s",v1);
InsertVex(&g,v1);
printf("插入与新顶点有关的弧或边，请输入弧或边数: ");
scanf("%d",&n);
for(k=0;k<n;k++)
{
printf("请输入另一顶点的值: ");
scanf("%s",v2);
printf("对于有向图，请输入另一顶点的方向(0:弧头 1:弧尾): ");
scanf("%d",&j);
if(j)
InsertArc(&g,v2,v1);
else
InsertArc(&g,v1,v2);
}
Display(g);
printf("删除顶点及相关的弧或边，请输入顶点的值: ");
scanf("%s",v1);
DeleteVex(&g,v1);
Display(g);
printf("深度优先搜索的结果:\n");
DFSTraverse(g,print);
printf("广度优先搜索的结果:\n");
BFSTraverse(g,print);
DestroyGraph(&g);
printf("请顺序选择有向网,无向图,无向网\n");
for(i=0;i<3;i++) /* 验证另外3种情况 */
{
CreateGraph(&g);
Display(g);
printf("插入新顶点，请输入顶点的值: ");
scanf("%s",v1);
InsertVex(&g,v1);
printf("插入与新顶点有关的弧或边，请输入弧或边数: ");
scanf("%d",&n);
for(k=0;k<n;k++)
{
printf("请输入另一顶点的值: ");
scanf("%s",v2);
if(g.kind<=1) /* 有向 */
{
printf("对于有向图或网，请输入另一顶点的方向(0:弧头 1:弧尾): ");
scanf("%d",&j);
if(j)
InsertArc(&g,v2,v1);
else
InsertArc(&g,v1,v2);
}
else /* 无向 */
InsertArc(&g,v1,v2);
}
Display(g);
printf("删除顶点及相关的弧或边，请输入顶点的值: ");
scanf("%s",v1);
DeleteVex(&g,v1);
Display(g);
DestroyGraph(&g);
}
}
void CreateCoarseGraph_Global(ctrl_t *ctrl, graph_t *graph, idx_t cnvtxs)
{
idx_t h, i, j, k, l, ii, jj, ll, nnbrs, nvtxs, nedges, ncon;
idx_t firstvtx, lastvtx, cfirstvtx, clastvtx, otherlastvtx;
idx_t npes=ctrl->npes, mype=ctrl->mype;
idx_t cnedges, nsend, nrecv, nkeepsize, nrecvsize, nsendsize, v, u;
idx_t *xadj, *adjncy, *adjwgt, *vwgt, *vsize, *vtxdist, *home, *where;
idx_t *match, *cmap;
idx_t *cxadj, *cadjncy, *cadjwgt, *cvwgt, *cvsize = NULL, *chome = NULL,
*cwhere = NULL, *cvtxdist;
idx_t *rsizes, *ssizes, *rlens, *slens, *rgraph, *sgraph, *perm;
idx_t *peind, *recvptr, *recvind;
real_t *nvwgt, *cnvwgt;
graph_t *cgraph;
ikv_t *scand, *rcand;
idx_t htable[LHTSIZE], htableidx[LHTSIZE];
WCOREPUSH;
nvtxs = graph->nvtxs;
ncon = graph->ncon;
xadj = graph->xadj;
vwgt = graph->vwgt;
vsize = graph->vsize;
nvwgt = graph->nvwgt;
home = graph->home;
where = graph->where;
adjncy = graph->adjncy;
adjwgt = graph->adjwgt;
match = graph->match;
vtxdist = graph->vtxdist;
firstvtx = vtxdist[mype];
lastvtx = vtxdist[mype+1];
cmap = graph->cmap = ismalloc(nvtxs+graph->nrecv, -1, "Global_CreateCoarseGraph: cmap");
nnbrs = graph->nnbrs;
peind = graph->peind;
recvind = graph->recvind;
recvptr = graph->recvptr;
/* Initialize the coarser graph */
cgraph = CreateGraph();
cgraph->nvtxs = cnvtxs;
cgraph->ncon = ncon;
cgraph->level = graph->level+1;
cgraph->finer = graph;
graph->coarser = cgraph;
/*************************************************************
* Obtain the vtxdist of the coarser graph
**************************************************************/
cvtxdist = cgraph->vtxdist = imalloc(npes+1, "Global_CreateCoarseGraph: cvtxdist");
cvtxdist[npes] = cnvtxs; /* Use last position in the cvtxdist as a temp buffer */
gkMPI_Allgather((void *)(cvtxdist+npes), 1, IDX_T, (void *)cvtxdist, 1,
IDX_T, ctrl->comm);
MAKECSR(i, npes, cvtxdist);
cgraph->gnvtxs = cvtxdist[npes];
#ifdef DEBUG_CONTRACT
PrintVector(ctrl, npes+1, 0, cvtxdist, "cvtxdist");
#endif
/*************************************************************
* Construct the cmap vector
**************************************************************/
cfirstvtx = cvtxdist[mype];
clastvtx = cvtxdist[mype+1];
/* Create the cmap of what you know so far locally. */
for (cnvtxs=0, i=0; i<nvtxs; i++) {
if (match[i] >= KEEP_BIT) {
k = match[i] - KEEP_BIT;
if (k>=firstvtx && k<firstvtx+i)
continue; /* Both (i,k) are local and i has been matched via the (k,i) side */
cmap[i] = cfirstvtx + cnvtxs++;
if (k != firstvtx+i && (k>=firstvtx && k<lastvtx)) { /* I'm matched locally */
cmap[k-firstvtx] = cmap[i];
match[k-firstvtx] += KEEP_BIT; /* Add the KEEP_BIT to simplify coding */
}
}
}
PASSERT(ctrl, cnvtxs == clastvtx-cfirstvtx);
CommInterfaceData(ctrl, graph, cmap, cmap+nvtxs);
/* Update the cmap of the locally stored vertices that will go away.
* The remote processor assigned cmap for them */
for (i=0; i<nvtxs; i++) {
if (match[i] < KEEP_BIT) { /* Only vertices that go away satisfy this*/
cmap[i] = cmap[nvtxs+BSearch(graph->nrecv, recvind, match[i])];
}
}
CommInterfaceData(ctrl, graph, cmap, cmap+nvtxs);
#ifndef NDEBUG
for (i=0; i<nvtxs+graph->nrecv; i++) {
if (cmap[i] == -1)
errexit("cmap[%"PRIDX"] == -1\n", i);
}
#endif
#ifdef DEBUG_CONTRACT
PrintVector(ctrl, nvtxs, firstvtx, cmap, "Cmap");
#endif
/*************************************************************
* Determine how many adjcency lists you need to send/receive.
**************************************************************/
/* first pass: determine sizes */
for (nsend=0, nrecv=0, i=0; i<nvtxs; i++) {
if (match[i] < KEEP_BIT) /* This is going away */
nsend++;
else {
k = match[i]-KEEP_BIT;
if (k<firstvtx || k>=lastvtx) /* This is comming from afar */
nrecv++;
}
}
scand = ikvwspacemalloc(ctrl, nsend);
rcand = graph->rcand = ikvmalloc(nrecv, "CreateCoarseGraph: rcand");
/* second pass: place them in the appropriate arrays */
nkeepsize = nsend = nrecv = 0;
for (i=0; i<nvtxs; i++) {
if (match[i] < KEEP_BIT) { /* This is going away */
scand[nsend].key = match[i];
scand[nsend].val = i;
nsend++;
}
else {
nkeepsize += (xadj[i+1]-xadj[i]);
k = match[i]-KEEP_BIT;
if (k<firstvtx || k>=lastvtx) { /* This is comming from afar */
rcand[nrecv].key = k;
rcand[nrecv].val = cmap[i] - cfirstvtx; /* Set it for use during the partition projection */
PASSERT(ctrl, rcand[nrecv].val>=0 && rcand[nrecv].val<cnvtxs);
nrecv++;
}
}
}
#ifdef DEBUG_CONTRACT
PrintPairs(ctrl, nsend, scand, "scand");
PrintPairs(ctrl, nrecv, rcand, "rcand");
#endif
/***************************************************************
* Determine how many lists and their sizes you will send and
* received for each of the neighboring PEs
****************************************************************/
rlens = graph->rlens = imalloc(nnbrs+1, "CreateCoarseGraph: graph->rlens");
slens = graph->slens = imalloc(nnbrs+1, "CreateCoarseGraph: graph->slens");
rsizes = iset(nnbrs, 0, iwspacemalloc(ctrl, nnbrs));
ssizes = iset(nnbrs, 0, iwspacemalloc(ctrl, nnbrs));
/* Take care the sending data first */
ikvsortii(nsend, scand);
slens[0] = 0;
for (k=i=0; i<nnbrs; i++) {
otherlastvtx = vtxdist[peind[i]+1];
for (; k<nsend && scand[k].key < otherlastvtx; k++)
ssizes[i] += (xadj[scand[k].val+1]-xadj[scand[k].val]);
slens[i+1] = k;
}
/* Take care the receiving data next. You cannot yet determine the rsizes[] */
ikvsortii(nrecv, rcand);
rlens[0] = 0;
for (k=i=0; i<nnbrs; i++) {
otherlastvtx = vtxdist[peind[i]+1];
for (; k<nrecv && rcand[k].key < otherlastvtx; k++);
rlens[i+1] = k;
}
#ifdef DEBUG_CONTRACT
PrintVector(ctrl, nnbrs+1, 0, slens, "slens");
PrintVector(ctrl, nnbrs+1, 0, rlens, "rlens");
#endif
/***************************************************************
* Exchange size information
****************************************************************/
/* Issue the receives first. */
for (i=0; i<nnbrs; i++) {
if (rlens[i+1]-rlens[i] > 0) /* Issue a receive only if you are getting something */
gkMPI_Irecv((void *)(rsizes+i), 1, IDX_T, peind[i], 1, ctrl->comm, ctrl->rreq+i);
}
/* Take care the sending data next */
for (i=0; i<nnbrs; i++) {
if (slens[i+1]-slens[i] > 0) /* Issue a send only if you are sending something */
gkMPI_Isend((void *)(ssizes+i), 1, IDX_T, peind[i], 1, ctrl->comm, ctrl->sreq+i);
}
/* OK, now get into the loop waiting for the operations to finish */
for (i=0; i<nnbrs; i++) {
if (rlens[i+1]-rlens[i] > 0)
gkMPI_Wait(ctrl->rreq+i, &ctrl->status);
}
for (i=0; i<nnbrs; i++) {
if (slens[i+1]-slens[i] > 0)
gkMPI_Wait(ctrl->sreq+i, &ctrl->status);
}
#ifdef DEBUG_CONTRACT
PrintVector(ctrl, nnbrs, 0, rsizes, "rsizes");
PrintVector(ctrl, nnbrs, 0, ssizes, "ssizes");
#endif
/*************************************************************
* Allocate memory for received/sent graphs and start sending
* and receiving data.
* rgraph and sgraph is a different data structure than CSR
* to facilitate single message exchange.
**************************************************************/
nrecvsize = isum(nnbrs, rsizes, 1);
nsendsize = isum(nnbrs, ssizes, 1);
rgraph = iwspacemalloc(ctrl, (4+ncon)*nrecv+2*nrecvsize);
WCOREPUSH; /* for freeing sgraph right away */
sgraph = iwspacemalloc(ctrl, (4+ncon)*nsend+2*nsendsize);
/* Deal with the received portion first */
for (l=i=0; i<nnbrs; i++) {
/* Issue a receive only if you are getting something */
if (rlens[i+1]-rlens[i] > 0) {
gkMPI_Irecv((void *)(rgraph+l), (4+ncon)*(rlens[i+1]-rlens[i])+2*rsizes[i],
IDX_T, peind[i], 1, ctrl->comm, ctrl->rreq+i);
l += (4+ncon)*(rlens[i+1]-rlens[i])+2*rsizes[i];
}
}
/* Deal with the sent portion now */
for (ll=l=i=0; i<nnbrs; i++) {
if (slens[i+1]-slens[i] > 0) { /* Issue a send only if you are sending something */
for (k=slens[i]; k<slens[i+1]; k++) {
ii = scand[k].val;
sgraph[ll++] = firstvtx+ii;
sgraph[ll++] = xadj[ii+1]-xadj[ii];
for (h=0; h<ncon; h++)
sgraph[ll++] = vwgt[ii*ncon+h];
sgraph[ll++] = (ctrl->partType == STATIC_PARTITION || ctrl->partType == ORDER_PARTITION
? -1 : vsize[ii]);
sgraph[ll++] = (ctrl->partType == STATIC_PARTITION || ctrl->partType == ORDER_PARTITION
? -1 : home[ii]);
for (jj=xadj[ii]; jj<xadj[ii+1]; jj++) {
sgraph[ll++] = cmap[adjncy[jj]];
sgraph[ll++] = adjwgt[jj];
}
}
PASSERT(ctrl, ll-l == (4+ncon)*(slens[i+1]-slens[i])+2*ssizes[i]);
/*myprintf(ctrl, "Sending to pe:%"PRIDX", %"PRIDX" lists of size %"PRIDX"\n", peind[i], slens[i+1]-slens[i], ssizes[i]); */
gkMPI_Isend((void *)(sgraph+l), ll-l, IDX_T, peind[i], 1, ctrl->comm, ctrl->sreq+i);
l = ll;
}
}
/* OK, now get into the loop waiting for the operations to finish */
for (i=0; i<nnbrs; i++) {
if (rlens[i+1]-rlens[i] > 0)
gkMPI_Wait(ctrl->rreq+i, &ctrl->status);
}
for (i=0; i<nnbrs; i++) {
if (slens[i+1]-slens[i] > 0)
gkMPI_Wait(ctrl->sreq+i, &ctrl->status);
}
#ifdef DEBUG_CONTRACT
rprintf(ctrl, "Graphs were sent!\n");
PrintTransferedGraphs(ctrl, nnbrs, peind, slens, rlens, sgraph, rgraph);
#endif
WCOREPOP; /* free sgraph */
/*************************************************************
* Setup the mapping from indices returned by BSearch to
* those that are actually stored
**************************************************************/
perm = iset(graph->nrecv, -1, iwspacemalloc(ctrl, graph->nrecv));
for (j=i=0; i<nrecv; i++) {
perm[BSearch(graph->nrecv, recvind, rgraph[j])] = j+1;
j += (4+ncon)+2*rgraph[j+1];
}
/*************************************************************
* Finally, create the coarser graph
**************************************************************/
/* Allocate memory for the coarser graph, and fire up coarsening */
cxadj = cgraph->xadj = imalloc(cnvtxs+1, "CreateCoarserGraph: cxadj");
cvwgt = cgraph->vwgt = imalloc(cnvtxs*ncon, "CreateCoarserGraph: cvwgt");
cnvwgt = cgraph->nvwgt = rmalloc(cnvtxs*ncon, "CreateCoarserGraph: cnvwgt");
if (ctrl->partType == ADAPTIVE_PARTITION || ctrl->partType == REFINE_PARTITION) {
cvsize = cgraph->vsize = imalloc(cnvtxs, "CreateCoarserGraph: cvsize");
chome = cgraph->home = imalloc(cnvtxs, "CreateCoarserGraph: chome");
}
if (where != NULL)
cwhere = cgraph->where = imalloc(cnvtxs, "CreateCoarserGraph: cwhere");
/* these are just upper bound estimates for now */
cadjncy = iwspacemalloc(ctrl, nkeepsize+nrecvsize);
cadjwgt = iwspacemalloc(ctrl, nkeepsize+nrecvsize);
iset(LHTSIZE, -1, htable);
cxadj[0] = cnvtxs = cnedges = 0;
for (i=0; i<nvtxs; i++) {
if (match[i] >= KEEP_BIT) {
v = firstvtx+i;
u = match[i]-KEEP_BIT;
if (u>=firstvtx && u<lastvtx && v > u)
continue; /* I have already collapsed it as (u,v) */
/* Collapse the v vertex first, which you know is local */
for (h=0; h<ncon; h++)
cvwgt[cnvtxs*ncon+h] = vwgt[i*ncon+h];
if (ctrl->partType == ADAPTIVE_PARTITION || ctrl->partType == REFINE_PARTITION) {
cvsize[cnvtxs] = vsize[i];
chome[cnvtxs] = home[i];
}
if (where != NULL)
cwhere[cnvtxs] = where[i];
nedges = 0;
/* Collapse the v (i) vertex first */
for (j=xadj[i]; j<xadj[i+1]; j++) {
k = cmap[adjncy[j]];
if (k < 0)
printf("k=%d\n", (int)k);
if (k != cfirstvtx+cnvtxs) { /* If this is not an internal edge */
l = k&MASK;
if (htable[l] == -1) { /* Seeing this for first time */
htable[l] = k;
htableidx[l] = cnedges+nedges;
cadjncy[cnedges+nedges] = k;
cadjwgt[cnedges+nedges++] = adjwgt[j];
}
else if (htable[l] == k) {
cadjwgt[htableidx[l]] += adjwgt[j];
}
else { /* Now you have to go and do a search. Expensive case */
for (l=0; l<nedges; l++) {
if (cadjncy[cnedges+l] == k)
break;
}
if (l < nedges) {
cadjwgt[cnedges+l] += adjwgt[j];
}
else {
cadjncy[cnedges+nedges] = k;
cadjwgt[cnedges+nedges++] = adjwgt[j];
}
}
}
}
/* Collapse the u vertex next */
if (v != u) {
if (u>=firstvtx && u<lastvtx) { /* Local vertex */
u -= firstvtx;
for (h=0; h<ncon; h++)
cvwgt[cnvtxs*ncon+h] += vwgt[u*ncon+h];
if (ctrl->partType == ADAPTIVE_PARTITION || ctrl->partType == REFINE_PARTITION)
cvsize[cnvtxs] += vsize[u];
for (j=xadj[u]; j<xadj[u+1]; j++) {
k = cmap[adjncy[j]];
if (k != cfirstvtx+cnvtxs) { /* If this is not an internal edge */
l = k&MASK;
if (htable[l] == -1) { /* Seeing this for first time */
htable[l] = k;
htableidx[l] = cnedges+nedges;
cadjncy[cnedges+nedges] = k;
cadjwgt[cnedges+nedges] = adjwgt[j];
nedges++;
}
else if (htable[l] == k) {
cadjwgt[htableidx[l]] += adjwgt[j];
}
else { /* Now you have to go and do a search. Expensive case */
for (l=0; l<nedges; l++) {
if (cadjncy[cnedges+l] == k)
break;
}
if (l < nedges) {
cadjwgt[cnedges+l] += adjwgt[j];
}
else {
cadjncy[cnedges+nedges] = k;
cadjwgt[cnedges+nedges] = adjwgt[j];
nedges++;
}
}
}
}
}
else { /* Remote vertex */
u = perm[BSearch(graph->nrecv, recvind, u)];
for (h=0; h<ncon; h++)
/* Remember that the +1 stores the vertex weight */
cvwgt[cnvtxs*ncon+h] += rgraph[(u+1)+h];
if (ctrl->partType == ADAPTIVE_PARTITION || ctrl->partType == REFINE_PARTITION) {
cvsize[cnvtxs] += rgraph[u+1+ncon];
chome[cnvtxs] = rgraph[u+2+ncon];
}
for (j=0; j<rgraph[u]; j++) {
k = rgraph[u+3+ncon+2*j];
if (k != cfirstvtx+cnvtxs) { /* If this is not an internal edge */
l = k&MASK;
if (htable[l] == -1) { /* Seeing this for first time */
htable[l] = k;
htableidx[l] = cnedges+nedges;
cadjncy[cnedges+nedges] = k;
cadjwgt[cnedges+nedges] = rgraph[u+3+ncon+2*j+1];
nedges++;
}
else if (htable[l] == k) {
cadjwgt[htableidx[l]] += rgraph[u+3+ncon+2*j+1];
}
else { /* Now you have to go and do a search. Expensive case */
for (l=0; l<nedges; l++) {
if (cadjncy[cnedges+l] == k)
break;
}
if (l < nedges) {
cadjwgt[cnedges+l] += rgraph[u+3+ncon+2*j+1];
}
else {
cadjncy[cnedges+nedges] = k;
cadjwgt[cnedges+nedges] = rgraph[u+3+ncon+2*j+1];
nedges++;
}
}
}
}
}
}
cnedges += nedges;
for (j=cxadj[cnvtxs]; j<cnedges; j++)
htable[cadjncy[j]&MASK] = -1; /* reset the htable */
cxadj[++cnvtxs] = cnedges;
}
}
cgraph->nedges = cnedges;
/* ADD: In order to keep from having to change this too much */
/* ADD: I kept vwgt array and recomputed nvwgt for each coarser graph */
for (j=0; j<cnvtxs; j++) {
for (h=0; h<ncon; h++)
cgraph->nvwgt[j*ncon+h] = ctrl->invtvwgts[h]*cvwgt[j*ncon+h];
}
cgraph->adjncy = imalloc(cnedges, "CreateCoarserGraph: cadjncy");
cgraph->adjwgt = imalloc(cnedges, "CreateCoarserGraph: cadjwgt");
icopy(cnedges, cadjncy, cgraph->adjncy);
icopy(cnedges, cadjwgt, cgraph->adjwgt);
WCOREPOP;
/* Note that graph->where works fine even if it is NULL */
gk_free((void **)&graph->where, LTERM);
}
/*************************************************************************
* This function assembles the graph into a single processor
**************************************************************************/
GraphType *Mc_AssembleAdaptiveGraph(CtrlType *ctrl, GraphType *graph, WorkSpaceType *wspace)
{
int i, j, k, l, gnvtxs, nvtxs, ncon, gnedges, nedges, gsize;
idxtype *xadj, *vwgt, *vsize, *adjncy, *adjwgt, *vtxdist, *imap;
idxtype *axadj, *aadjncy, *aadjwgt, *avwgt, *avsize = NULL, *alabel;
idxtype *mygraph, *ggraph;
int *rcounts, *rdispls, mysize;
float *anvwgt;
GraphType *agraph;
gnvtxs = graph->gnvtxs;
nvtxs = graph->nvtxs;
ncon = graph->ncon;
nedges = graph->xadj[nvtxs];
xadj = graph->xadj;
vwgt = graph->vwgt;
vsize = graph->vsize;
adjncy = graph->adjncy;
adjwgt = graph->adjwgt;
vtxdist = graph->vtxdist;
imap = graph->imap;
/*************************************************************/
/* Determine the # of idxtype to receive from each processor */
/*************************************************************/
rcounts = imalloc(ctrl->npes, "AssembleGraph: rcounts");
switch (ctrl->partType) {
case STATIC_PARTITION:
mysize = (1+ncon)*nvtxs + 2*nedges;
break;
case ADAPTIVE_PARTITION:
case REFINE_PARTITION:
mysize = (2+ncon)*nvtxs + 2*nedges;
break;
default:
printf("WARNING: bad value for ctrl->partType %d\n", ctrl->partType);
break;
}
MPI_Allgather((void *)(&mysize), 1, MPI_INT, (void *)rcounts, 1, MPI_INT, ctrl->comm);
rdispls = imalloc(ctrl->npes+1, "AssembleGraph: rdispls");
rdispls[0] = 0;
for (i=1; i<ctrl->npes+1; i++)
rdispls[i] = rdispls[i-1] + rcounts[i-1];
/* Construct the one-array storage format of the assembled graph */
mygraph = (mysize <= wspace->maxcore ? wspace->core : idxmalloc(mysize, "AssembleGraph: mygraph"));
for (k=i=0; i<nvtxs; i++) {
mygraph[k++] = xadj[i+1]-xadj[i];
for (j=0; j<ncon; j++)
mygraph[k++] = vwgt[i*ncon+j];
if (ctrl->partType == ADAPTIVE_PARTITION || ctrl->partType == REFINE_PARTITION)
mygraph[k++] = vsize[i];
for (j=xadj[i]; j<xadj[i+1]; j++) {
mygraph[k++] = imap[adjncy[j]];
mygraph[k++] = adjwgt[j];
}
}
ASSERT(ctrl, mysize == k);
/**************************************/
/* Assemble and send the entire graph */
/**************************************/
gsize = rdispls[ctrl->npes];
ggraph = (gsize <= wspace->maxcore-mysize ? wspace->core+mysize : idxmalloc(gsize, "AssembleGraph: ggraph"));
MPI_Allgatherv((void *)mygraph, mysize, IDX_DATATYPE, (void *)ggraph, rcounts, rdispls, IDX_DATATYPE, ctrl->comm);
GKfree((void **)&rcounts, (void **)&rdispls, LTERM);
if (mysize > wspace->maxcore)
free(mygraph);
agraph = CreateGraph();
agraph->nvtxs = gnvtxs;
switch (ctrl->partType) {
case STATIC_PARTITION:
agraph->nedges = gnedges = (gsize-(1+ncon)*gnvtxs)/2;
break;
case ADAPTIVE_PARTITION:
case REFINE_PARTITION:
agraph->nedges = gnedges = (gsize-(2+ncon)*gnvtxs)/2;
break;
default:
printf("WARNING: bad value for ctrl->partType %d\n", ctrl->partType);
agraph->nedges = gnedges = -1;
break;
}
agraph->ncon = ncon;
/*******************************************/
/* Allocate memory for the assembled graph */
/*******************************************/
axadj = agraph->xadj = idxmalloc(gnvtxs+1, "AssembleGraph: axadj");
avwgt = agraph->vwgt = idxmalloc(gnvtxs*ncon, "AssembleGraph: avwgt");
anvwgt = agraph->nvwgt = fmalloc(gnvtxs*ncon, "AssembleGraph: anvwgt");
aadjncy = agraph->adjncy = idxmalloc(gnedges, "AssembleGraph: adjncy");
aadjwgt = agraph->adjwgt = idxmalloc(gnedges, "AssembleGraph: adjwgt");
alabel = agraph->label = idxmalloc(gnvtxs, "AssembleGraph: alabel");
if (ctrl->partType == ADAPTIVE_PARTITION || ctrl->partType == REFINE_PARTITION)
avsize = agraph->vsize = idxmalloc(gnvtxs, "AssembleGraph: avsize");
for (k=j=i=0; i<gnvtxs; i++) {
axadj[i] = ggraph[k++];
for (l=0; l<ncon; l++)
avwgt[i*ncon+l] = ggraph[k++];
if (ctrl->partType == ADAPTIVE_PARTITION || ctrl->partType == REFINE_PARTITION)
avsize[i] = ggraph[k++];
for (l=0; l<axadj[i]; l++) {
aadjncy[j] = ggraph[k++];
aadjwgt[j] = ggraph[k++];
j++;
}
}
/*********************************/
/* Now fix up the received graph */
/*********************************/
MAKECSR(i, gnvtxs, axadj);
for (i=0; i<gnvtxs; i++)
for (j=0; j<ncon; j++)
anvwgt[i*ncon+j] = (float)(agraph->vwgt[i*ncon+j]) / (float)(ctrl->tvwgts[j]);
for (i=0; i<gnvtxs; i++)
alabel[i] = i;
if (gsize > wspace->maxcore-mysize)
free(ggraph);
return agraph;
}
/******************************************************************************
* This function creates a coarse graph corresponding to the partitioning vector
*******************************************************************************/
GraphType *CreatePartitionGraphForContact(idxtype nvtxs, idxtype *xadj, idxtype *adjncy,
idxtype *vwgt, idxtype *adjwgt, idxtype cnvtxs, idxtype *part)
{
idxtype i, ii, j, jj, k, cnedges;
idxtype *cxadj, *cadjncy, *cvwgt, *cadjwgt;
idxtype *ptr, *ind, *marker;
GraphType *cgraph;
ptr = idxsmalloc(cnvtxs+1, 0, "CreatePartitionGraph: ptr");
ind = idxmalloc(nvtxs, "CreatePartitionGraph: ind");
marker = idxsmalloc(cnvtxs, -1, "CreatePartitionGraph: marker");
cgraph = CreateGraph();
cgraph->ncon = 2;
cgraph->nvtxs = cnvtxs;
cxadj = cgraph->xadj = idxsmalloc(cnvtxs+1, 0, "CreatePartitionGraph: cxadj");
cadjncy = cgraph->adjncy = idxmalloc(xadj[nvtxs], "CreatePartitionGraph: cadjncy");
cvwgt = cgraph->vwgt = idxmalloc(2*cnvtxs, "CreatePartitionGraph: cvwgt");
cadjwgt = cgraph->adjwgt = idxmalloc(xadj[nvtxs], "CreatePartitionGraph: cadjwgt");
for (i=0; i<nvtxs; i++)
ptr[part[i]]++;
MAKECSR(i, cnvtxs, ptr);
for (i=0; i<nvtxs; i++)
ind[ptr[part[i]]++] = i;
SHIFTCSR(i, cnvtxs, ptr);
/* Create the adjacency list of the coarse/partition graph */
for (cxadj[0]=cnedges=0, i=0; i<cnvtxs; i++) {
cvwgt[2*i+0] = cvwgt[2*i+1] = 0;
for (j=ptr[i]; j<ptr[i+1]; j++) {
ii = ind[j];
cvwgt[2*i+0] += vwgt[2*ii+0];
cvwgt[2*i+1] += vwgt[2*ii+1];
for (jj=xadj[ii]; jj<xadj[ii+1]; jj++) {
if ((k = part[adjncy[jj]]) == i)
continue;
if (marker[k] == -1) {
cadjncy[cnedges] = k;
cadjwgt[cnedges] = adjwgt[jj];
marker[k] = cnedges++;
}
else
cadjwgt[marker[k]] += adjwgt[jj];
}
}
cxadj[i+1] = cnedges;
/* reset the marker array */
for (j=cxadj[i]; j<cnedges; j++)
marker[cadjncy[j]] = -1;
}
gk_free((void **)&ptr, &ind, &marker, LTERM);
return cgraph;
}
graph_t *CompressGraph(ctrl_t *ctrl, idx_t nvtxs, idx_t *xadj, idx_t *adjncy,
idx_t *vwgt, idx_t *cptr, idx_t *cind)
{
idx_t i, ii, iii, j, jj, k, l, cnvtxs, cnedges;
idx_t *cxadj, *cadjncy, *cvwgt, *mark, *map;
ikv_t *keys;
graph_t *graph=NULL;
mark = ismalloc(nvtxs, -1, "CompressGraph: mark");
map = ismalloc(nvtxs, -1, "CompressGraph: map");
keys = ikvmalloc(nvtxs, "CompressGraph: keys");
/* Compute a key for each adjacency list */
for (i=0; i<nvtxs; i++) {
k = 0;
for (j=xadj[i]; j<xadj[i+1]; j++)
k += adjncy[j];
keys[i].key = k+i; /* Add the diagonal entry as well */
keys[i].val = i;
}
ikvsorti(nvtxs, keys);
l = cptr[0] = 0;
for (cnvtxs=i=0; i<nvtxs; i++) {
ii = keys[i].val;
if (map[ii] == -1) {
mark[ii] = i; /* Add the diagonal entry */
for (j=xadj[ii]; j<xadj[ii+1]; j++)
mark[adjncy[j]] = i;
map[ii] = cnvtxs;
cind[l++] = ii;
for (j=i+1; j<nvtxs; j++) {
iii = keys[j].val;
if (keys[i].key != keys[j].key || xadj[ii+1]-xadj[ii] != xadj[iii+1]-xadj[iii])
break; /* Break if keys or degrees are different */
if (map[iii] == -1) { /* Do a comparison if iii has not been mapped */
for (jj=xadj[iii]; jj<xadj[iii+1]; jj++) {
if (mark[adjncy[jj]] != i)
break;
}
if (jj == xadj[iii+1]) { /* Identical adjacency structure */
map[iii] = cnvtxs;
cind[l++] = iii;
}
}
}
cptr[++cnvtxs] = l;
}
}
IFSET(ctrl->dbglvl, METIS_DBG_INFO,
printf(" Compression: reduction in # of vertices: %"PRIDX".\n", nvtxs-cnvtxs));
if (cnvtxs < COMPRESSION_FRACTION*nvtxs) {
/* Sufficient compression is possible, so go ahead and create the
compressed graph */
graph = CreateGraph();
cnedges = 0;
for (i=0; i<cnvtxs; i++) {
ii = cind[cptr[i]];
cnedges += xadj[ii+1]-xadj[ii];
}
/* Allocate memory for the compressed graph */
cxadj = graph->xadj = imalloc(cnvtxs+1, "CompressGraph: xadj");
cvwgt = graph->vwgt = ismalloc(cnvtxs, 0, "CompressGraph: vwgt");
cadjncy = graph->adjncy = imalloc(cnedges, "CompressGraph: adjncy");
graph->adjwgt = ismalloc(cnedges, 1, "CompressGraph: adjwgt");
/* Now go and compress the graph */
iset(nvtxs, -1, mark);
l = cxadj[0] = 0;
for (i=0; i<cnvtxs; i++) {
mark[i] = i; /* Remove any dioganal entries in the compressed graph */
for (j=cptr[i]; j<cptr[i+1]; j++) {
ii = cind[j];
/* accumulate the vertex weights of the consistuent vertices */
cvwgt[i] += (vwgt == NULL ? 1 : vwgt[ii]);
/* generate the combined adjancency list */
for (jj=xadj[ii]; jj<xadj[ii+1]; jj++) {
k = map[adjncy[jj]];
if (mark[k] != i) {
mark[k] = i;
cadjncy[l++] = k;
}
}
}
cxadj[i+1] = l;
}
graph->nvtxs = cnvtxs;
graph->nedges = l;
graph->ncon = 1;
SetupGraph_tvwgt(graph);
SetupGraph_label(graph);
}
gk_free((void **)&keys, &map, &mark, LTERM);
return graph;
}
graph_t *PruneGraph(ctrl_t *ctrl, idx_t nvtxs, idx_t *xadj, idx_t *adjncy,
idx_t *vwgt, idx_t *iperm, real_t factor)
{
idx_t i, j, k, l, nlarge, pnvtxs, pnedges;
idx_t *pxadj, *padjncy, *pvwgt;
idx_t *perm;
graph_t *graph=NULL;
perm = imalloc(nvtxs, "PruneGraph: perm");
factor = factor*xadj[nvtxs]/nvtxs;
pnvtxs = pnedges = nlarge = 0;
for (i=0; i<nvtxs; i++) {
if (xadj[i+1]-xadj[i] < factor) {
perm[i] = pnvtxs;
iperm[pnvtxs++] = i;
pnedges += xadj[i+1]-xadj[i];
}
else {
perm[i] = nvtxs - ++nlarge;
iperm[nvtxs-nlarge] = i;
}
}
IFSET(ctrl->dbglvl, METIS_DBG_INFO,
printf(" Pruned %"PRIDX" of %"PRIDX" vertices.\n", nlarge, nvtxs));
if (nlarge > 0 && nlarge < nvtxs) {
/* Prunning is possible, so go ahead and create the prunned graph */
graph = CreateGraph();
/* Allocate memory for the prunned graph*/
pxadj = graph->xadj = imalloc(pnvtxs+1, "PruneGraph: xadj");
pvwgt = graph->vwgt = imalloc(pnvtxs, "PruneGraph: vwgt");
padjncy = graph->adjncy = imalloc(pnedges, "PruneGraph: adjncy");
graph->adjwgt = ismalloc(pnedges, 1, "PruneGraph: adjwgt");
pxadj[0] = pnedges = l = 0;
for (i=0; i<nvtxs; i++) {
if (xadj[i+1]-xadj[i] < factor) {
pvwgt[l] = (vwgt == NULL ? 1 : vwgt[i]);
for (j=xadj[i]; j<xadj[i+1]; j++) {
k = perm[adjncy[j]];
if (k < pnvtxs)
padjncy[pnedges++] = k;
}
pxadj[++l] = pnedges;
}
}
graph->nvtxs = pnvtxs;
graph->nedges = pnedges;
graph->ncon = 1;
SetupGraph_tvwgt(graph);
SetupGraph_label(graph);
}
else if (nlarge > 0 && nlarge == nvtxs) {
IFSET(ctrl->dbglvl, METIS_DBG_INFO,
printf(" Pruning is ignored as it removes all vertices.\n"));
nlarge = 0;
}
gk_free((void **)&perm, LTERM);
return graph;
}
/*********************************************************************
*
* _cbDialog
*/
static void _cbDialog(WM_MESSAGE * pMsg) {
WM_HWIN hItem;
int NCode;
int Id;
// USER START (Optionally insert additional variables)
// USER END
switch (pMsg->MsgId)
{
case WM_INIT_DIALOG:
{
// hItem = WM_GetDialogItem(pMsg->hWin, ID_FRAMEWIN_0);
//// FRAMEWIN_SetResizeable(hItem,1);
// FRAMEWIN_SetFont(hItem,GUI_FONT_COMIC24B_ASCII);
//// FRAMEWIN_SetMoveable(hItem,1);
//// GUI_ExecCreatedDialog(hItem);
hItem = WM_GetDialogItem(pMsg->hWin, ID_BUTTON_0);
BUTTON_SetSkin(hItem,BUTTON_SKIN_FLEX);
hItem = WM_GetDialogItem(pMsg->hWin, ID_BUTTON_1);
BUTTON_SetSkin(hItem,BUTTON_SKIN_FLEX);
//
// Initialization of 'Edit'
//
hItem = WM_GetDialogItem(pMsg->hWin, ID_EDIT_0);
EDIT_SetText(hItem, "blabalbalablablaba");
//
// Initialization of 'Listwheel'
//
hItem = WM_GetDialogItem(pMsg->hWin, ID_LISTWHEEL_0);
LISTWHEEL_SetLBorder(hItem,10);
LISTWHEEL_SetFont(hItem,GUI_FONT_COMIC24B_ASCII);
LISTWHEEL_AddString(hItem, "jeden");
LISTWHEEL_AddString(hItem, "dwa");
LISTWHEEL_AddString(hItem, "trzy");
LISTWHEEL_AddString(hItem, "cztery");
LISTWHEEL_AddString(hItem, "piec");
LISTWHEEL_AddString(hItem, "szesc");
LISTWHEEL_AddString(hItem, "siedem");
//
// Initialization of 'Checkbox'
//
hItem = WM_GetDialogItem(pMsg->hWin, ID_CHECKBOX_0);
CHECKBOX_SetText(hItem, "Check");
//
// Initialization of 'Checkbox'
//
hItem = WM_GetDialogItem(pMsg->hWin, ID_CHECKBOX_1);
CHECKBOX_SetText(hItem, "Check");
// USER START (Optionally insert additional code for further widget initialization)
// USER END
hItem=WM_GetDialogItem(pMsg->hWin,ID_PROGBAR_0);
PROGBAR_SetMinMax(hItem,0,15);
PROGBAR_SetSkin(hItem,PROGBAR_SKIN_FLEX);
break;
}
case WM_NOTIFY_PARENT:
Id = WM_GetId(pMsg->hWinSrc);
NCode = pMsg->Data.v;
switch(Id) {
case ID_EDIT_0: // Notifications sent by 'Edit'
switch(NCode)
{
case WM_NOTIFICATION_CLICKED:
// USER START (Optionally insert code for reacting on notification message)
// USER END
WM_DeleteWindow(hBox);
hBox = MESSAGEBOX_Create("Keyboard not supported yet!","ERROR", GUI_MESSAGEBOX_CF_MOVEABLE);
break;
case WM_NOTIFICATION_RELEASED:
// USER START (Optionally insert code for reacting on notification message)
// USER END
break;
case WM_NOTIFICATION_VALUE_CHANGED:
// USER START (Optionally insert code for reacting on notification message)
// USER END
break;
// USER START (Optionally insert additional code for further notification handling)
// USER END
}
break;
case ID_BUTTON_0: // Notifications sent by 'Button'
switch(NCode)
{
case WM_NOTIFICATION_CLICKED:
// USER START (Optionally insert code for reacting on notification message)
// USER END
break;
case WM_NOTIFICATION_RELEASED:
{
CreateMojeokno2();
hItem=WM_GetDialogItem(pMsg->hWin,ID_PROGBAR_0);
PROGBAR_SetValue(hItem,il++);
break;
}
}
break;
case ID_BUTTON_1: // Notifications sent by 'Button'
switch(NCode)
{
case WM_NOTIFICATION_CLICKED:
{
break;
}
case WM_NOTIFICATION_RELEASED:
{
CreateGraph();
// WM_DeleteWindow(hBox);
// hBox = MESSAGEBOX_Create("Release the BUTTON !","ERROR", GUI_MESSAGEBOX_CF_MOVEABLE);
// WM_DeleteWindow(hBox);
break;
}
}
break;
case ID_LISTWHEEL_0: // Notifications sent by 'Listwheel'
switch(NCode) {
case WM_NOTIFICATION_CLICKED:
// USER START (Optionally insert code for reacting on notification message)
// USER END
break;
case WM_NOTIFICATION_RELEASED:
// USER START (Optionally insert code for reacting on notification message)
// USER END
break;
case WM_NOTIFICATION_SEL_CHANGED:
// USER START (Optionally insert code for reacting on notification message)
// USER END
break;
// USER START (Optionally insert additional code for further notification handling)
// USER END
}
break;
case ID_CHECKBOX_0: // Notifications sent by 'Checkbox'
switch(NCode) {
case WM_NOTIFICATION_CLICKED:
// USER START (Optionally insert code for reacting on notification message)
// USER END
break;
case WM_NOTIFICATION_RELEASED:
// USER START (Optionally insert code for reacting on notification message)
// USER END
break;
case WM_NOTIFICATION_VALUE_CHANGED:
// USER START (Optionally insert code for reacting on notification message)
// USER END
break;
// USER START (Optionally insert additional code for further notification handling)
// USER END
}
break;
case ID_CHECKBOX_1: // Notifications sent by 'Checkbox'
switch(NCode) {
case WM_NOTIFICATION_CLICKED:
// USER START (Optionally insert code for reacting on notification message)
// USER END
break;
case WM_NOTIFICATION_RELEASED:
// USER START (Optionally insert code for reacting on notification message)
// USER END
break;
case WM_NOTIFICATION_VALUE_CHANGED:
// USER START (Optionally insert code for reacting on notification message)
// USER END
break;
// USER START (Optionally insert additional code for further notification handling)
// USER END
}
break;
// USER START (Optionally insert additional code for further Ids)
// USER END
}
break;
// USER START (Optionally insert additional message handling)
// USER END
default:
WM_DefaultProc(pMsg);
break;
}
}
/*************************************************************************
* This function extracts a subgraph from a graph given an indicator array.
**************************************************************************/
graph_t *ExtractGraph(ctrl_t *ctrl, graph_t *graph, idx_t *indicator,
idx_t *map, idx_t *rmap)
{
idx_t h, i, j;
idx_t nvtxs, envtxs, enedges, ncon;
idx_t vtx, count;
idx_t *xadj, *vsize, *adjncy, *adjwgt, *where;
idx_t *exadj, *evsize, *eadjncy, *eadjwgt, *ewhere;
real_t *nvwgt, *envwgt;
graph_t *egraph;
nvtxs = graph->nvtxs;
ncon = graph->ncon;
xadj = graph->xadj;
nvwgt = graph->nvwgt;
vsize = graph->vsize;
adjncy = graph->adjncy;
adjwgt = graph->adjwgt;
where = graph->where;
count = 0;
for (i=0; i<nvtxs; i++) {
if (indicator[i] == 1) {
map[count] = i;
rmap[i] = count;
count++;
}
}
if (count == 0)
return NULL;
/*******************/
/* allocate memory */
/*******************/
egraph = CreateGraph();
envtxs = egraph->nvtxs = count;
egraph->ncon = graph->ncon;
exadj = egraph->xadj = imalloc(envtxs*3+1, "exadj");
ewhere = egraph->where = exadj + envtxs + 1;
evsize = egraph->vsize = exadj + 2*envtxs + 1;
envwgt = egraph->nvwgt = rmalloc(envtxs*ncon, "envwgt");
/************************************************/
/* compute xadj, where, nvwgt, and vsize arrays */
/************************************************/
iset(envtxs+1, 0, exadj);
for (i=0; i<envtxs; i++) {
vtx = map[i];
ewhere[i] = where[vtx];
for (h=0; h<ncon; h++)
envwgt[i*ncon+h] = nvwgt[vtx*ncon+h];
if (ctrl->partType == ADAPTIVE_PARTITION || ctrl->partType == REFINE_PARTITION)
evsize[i] = vsize[vtx];
for (j=xadj[vtx]; j<xadj[vtx+1]; j++)
if (indicator[adjncy[j]] == 1)
exadj[i]++;
}
MAKECSR(i, envtxs, exadj);
/************************************/
/* compute adjncy and adjwgt arrays */
/************************************/
enedges = egraph->nedges = exadj[envtxs];
eadjncy = egraph->adjncy = imalloc(enedges*2, "eadjncy");
eadjwgt = egraph->adjwgt = eadjncy + enedges;
for (i=0; i<envtxs; i++) {
vtx = map[i];
for (j=xadj[vtx]; j<xadj[vtx+1]; j++) {
if (indicator[adjncy[j]] == 1) {
eadjncy[exadj[i]] = rmap[adjncy[j]];
eadjwgt[exadj[i]++] = adjwgt[j];
}
}
}
for (i=envtxs; i>0; i--)
exadj[i] = exadj[i-1];
exadj[0] = 0;
return egraph;
}
void CreateCoarseGraph_Local(ctrl_t *ctrl, graph_t *graph, idx_t cnvtxs)
{
idx_t h, i, j, k, l;
idx_t nvtxs, ncon, nedges, firstvtx, cfirstvtx;
idx_t npes=ctrl->npes, mype=ctrl->mype;
idx_t cnedges, v, u;
idx_t *xadj, *vwgt, *vsize, *adjncy, *adjwgt, *vtxdist, *where, *home;
idx_t *match, *cmap;
idx_t *cxadj, *cvwgt, *cvsize = NULL, *cadjncy, *cadjwgt, *cvtxdist,
*chome = NULL, *cwhere = NULL;
real_t *cnvwgt;
graph_t *cgraph;
idx_t htable[LHTSIZE], htableidx[LHTSIZE];
WCOREPUSH;
nvtxs = graph->nvtxs;
ncon = graph->ncon;
xadj = graph->xadj;
vwgt = graph->vwgt;
home = graph->home;
vsize = graph->vsize;
adjncy = graph->adjncy;
adjwgt = graph->adjwgt;
where = graph->where;
match = graph->match;
vtxdist = graph->vtxdist;
firstvtx = vtxdist[mype];
cmap = graph->cmap = ismalloc(nvtxs+graph->nrecv, -1, "CreateCoarseGraph: cmap");
/* Initialize the coarser graph */
cgraph = CreateGraph();
cgraph->nvtxs = cnvtxs;
cgraph->level = graph->level+1;
cgraph->ncon = ncon;
cgraph->finer = graph;
graph->coarser = cgraph;
/*************************************************************
* Obtain the vtxdist of the coarser graph
**************************************************************/
cvtxdist = cgraph->vtxdist = imalloc(npes+1, "CreateCoarseGraph: cvtxdist");
cvtxdist[npes] = cnvtxs; /* Use last position in the cvtxdist as a temp buffer */
gkMPI_Allgather((void *)(cvtxdist+npes), 1, IDX_T, (void *)cvtxdist, 1, IDX_T, ctrl->comm);
MAKECSR(i, npes, cvtxdist);
cgraph->gnvtxs = cvtxdist[npes];
#ifdef DEBUG_CONTRACT
PrintVector(ctrl, npes+1, 0, cvtxdist, "cvtxdist");
#endif
/*************************************************************
* Construct the cmap vector
**************************************************************/
cfirstvtx = cvtxdist[mype];
/* Create the cmap of what you know so far locally */
cnvtxs = 0;
for (i=0; i<nvtxs; i++) {
if (match[i] >= KEEP_BIT) {
k = match[i] - KEEP_BIT;
if (k<firstvtx+i)
continue; /* i has been matched via the (k,i) side */
cmap[i] = cfirstvtx + cnvtxs++;
if (k != firstvtx+i) {
cmap[k-firstvtx] = cmap[i];
match[k-firstvtx] += KEEP_BIT; /* Add the KEEP_BIT to simplify coding */
}
}
}
CommInterfaceData(ctrl, graph, cmap, cmap+nvtxs);
#ifdef DEBUG_CONTRACT
PrintVector(ctrl, nvtxs, firstvtx, cmap, "Cmap");
#endif
/*************************************************************
* Finally, create the coarser graph
**************************************************************/
/* Allocate memory for the coarser graph, and fire up coarsening */
cxadj = cgraph->xadj = imalloc(cnvtxs+1, "CreateCoarserGraph: cxadj");
cvwgt = cgraph->vwgt = imalloc(cnvtxs*ncon, "CreateCoarserGraph: cvwgt");
cnvwgt = cgraph->nvwgt = rmalloc(cnvtxs*ncon, "CreateCoarserGraph: cnvwgt");
if (ctrl->partType == ADAPTIVE_PARTITION || ctrl->partType == REFINE_PARTITION)
chome = cgraph->home = imalloc(cnvtxs, "CreateCoarserGraph: chome");
if (vsize != NULL)
cvsize = cgraph->vsize = imalloc(cnvtxs, "CreateCoarserGraph: cvsize");
if (where != NULL)
cwhere = cgraph->where = imalloc(cnvtxs, "CreateCoarserGraph: cwhere");
cadjncy = iwspacemalloc(ctrl, graph->nedges);
cadjwgt = iwspacemalloc(ctrl, graph->nedges);
iset(LHTSIZE, -1, htable);
cxadj[0] = cnvtxs = cnedges = 0;
for (i=0; i<nvtxs; i++) {
v = firstvtx+i;
u = match[i]-KEEP_BIT;
if (v > u)
continue; /* I have already collapsed it as (u,v) */
/* Collapse the v vertex first, which you know that is local */
for (h=0; h<ncon; h++)
cvwgt[cnvtxs*ncon+h] = vwgt[i*ncon+h];
if (ctrl->partType == ADAPTIVE_PARTITION || ctrl->partType == REFINE_PARTITION)
chome[cnvtxs] = home[i];
if (vsize != NULL)
cvsize[cnvtxs] = vsize[i];
if (where != NULL)
cwhere[cnvtxs] = where[i];
nedges = 0;
for (j=xadj[i]; j<xadj[i+1]; j++) {
k = cmap[adjncy[j]];
if (k != cfirstvtx+cnvtxs) { /* If this is not an internal edge */
l = k&MASK;
if (htable[l] == -1) { /* Seeing this for first time */
htable[l] = k;
htableidx[l] = cnedges+nedges;
cadjncy[cnedges+nedges] = k;
cadjwgt[cnedges+nedges++] = adjwgt[j];
}
else if (htable[l] == k) {
cadjwgt[htableidx[l]] += adjwgt[j];
}
else { /* Now you have to go and do a search. Expensive case */
for (l=0; l<nedges; l++) {
if (cadjncy[cnedges+l] == k)
break;
}
if (l < nedges) {
cadjwgt[cnedges+l] += adjwgt[j];
}
else {
cadjncy[cnedges+nedges] = k;
cadjwgt[cnedges+nedges++] = adjwgt[j];
}
}
}
}
/* Collapse the u vertex next */
if (v != u) {
u -= firstvtx;
for (h=0; h<ncon; h++)
cvwgt[cnvtxs*ncon+h] += vwgt[u*ncon+h];
if (vsize != NULL)
cvsize[cnvtxs] += vsize[u];
if (where != NULL && cwhere[cnvtxs] != where[u])
myprintf(ctrl, "Something went wrong with the where local matching! %"PRIDX" %"PRIDX"\n", cwhere[cnvtxs], where[u]);
for (j=xadj[u]; j<xadj[u+1]; j++) {
k = cmap[adjncy[j]];
if (k != cfirstvtx+cnvtxs) { /* If this is not an internal edge */
l = k&MASK;
if (htable[l] == -1) { /* Seeing this for first time */
htable[l] = k;
htableidx[l] = cnedges+nedges;
cadjncy[cnedges+nedges] = k;
cadjwgt[cnedges+nedges++] = adjwgt[j];
}
else if (htable[l] == k) {
cadjwgt[htableidx[l]] += adjwgt[j];
}
else { /* Now you have to go and do a search. Expensive case */
for (l=0; l<nedges; l++) {
if (cadjncy[cnedges+l] == k)
break;
}
if (l < nedges) {
cadjwgt[cnedges+l] += adjwgt[j];
}
else {
cadjncy[cnedges+nedges] = k;
cadjwgt[cnedges+nedges++] = adjwgt[j];
}
}
}
}
}
cnedges += nedges;
for (j=cxadj[cnvtxs]; j<cnedges; j++)
htable[cadjncy[j]&MASK] = -1; /* reset the htable */
cxadj[++cnvtxs] = cnedges;
}
cgraph->nedges = cnedges;
for (j=0; j<cnvtxs; j++) {
for (h=0; h<ncon; h++)
cgraph->nvwgt[j*ncon+h] = ctrl->invtvwgts[h]*cvwgt[j*ncon+h];
}
cgraph->adjncy = imalloc(cnedges, "CreateCoarserGraph: cadjncy");
cgraph->adjwgt = imalloc(cnedges, "CreateCoarserGraph: cadjwgt");
icopy(cnedges, cadjncy, cgraph->adjncy);
icopy(cnedges, cadjwgt, cgraph->adjwgt);
WCOREPOP;
/* Note that graph->where works fine even if it is NULL */
gk_free((void **)&graph->where, LTERM);
}
