Ejemplo n.º 1
0
Network NetworkInitialize(Vertex *tails, Vertex *heads, Edge nedges, 
			  Vertex nnodes, int directed_flag, Vertex bipartite,
			  int lasttoggle_flag, int time, int *lasttoggle) {

  Network nw;

  nw.last_inedge = nw.last_outedge = (Edge)nnodes;
  /* Calloc will zero the allocated memory for us, probably a lot
     faster. */
  nw.outdegree = (Vertex *) calloc((nnodes+1),sizeof(Vertex));
  nw.indegree  = (Vertex *) calloc((nnodes+1),sizeof(Vertex));
  nw.maxedges = MAX(nedges,1)+nnodes+2; /* Maybe larger than needed? */
  nw.inedges = (TreeNode *) calloc(nw.maxedges,sizeof(TreeNode));
  nw.outedges = (TreeNode *) calloc(nw.maxedges,sizeof(TreeNode));

  /* GetRNGstate(); R function enabling uniform RNG */

  if(lasttoggle_flag){
    nw.duration_info.time=time;
    nw.duration_info.lasttoggle = (int *) calloc(DYADCOUNT(nnodes, bipartite, directed_flag), sizeof(int));
    if(lasttoggle)
      memcpy(nw.duration_info.lasttoggle, lasttoggle, DYADCOUNT(nnodes, bipartite, directed_flag) * sizeof(int));
  }
  else nw.duration_info.lasttoggle = NULL;

  /*Configure a Network*/
  nw.nnodes = nnodes;
  nw.nedges = 0; /* Edges will be added one by one */
  nw.directed_flag=directed_flag;
  nw.bipartite=bipartite;

  ShuffleEdges(tails,heads,nedges); /* shuffle to avoid worst-case performance */

  for(Edge i = 0; i < nedges; i++) {
    Vertex tail=tails[i], head=heads[i];
    if (!directed_flag && tail > head) 
      AddEdgeToTrees(head,tail,&nw); /* Undir edges always have tail < head */ 
    else 
      AddEdgeToTrees(tail,head,&nw);
  }
  /* PutRNGstate(); */
  return nw;
}
Ejemplo n.º 2
0
void SummStats(Edge n_edges, Vertex *tails, Vertex *heads,
Network *nwp, Model *m, double *stats){
  
  GetRNGstate();  /* R function enabling uniform RNG */
  
  ShuffleEdges(tails,heads,n_edges); /* Shuffle edgelist. */
  
  for (unsigned int termi=0; termi < m->n_terms; termi++)
    m->termarray[termi].dstats = m->workspace;
  
  /* Doing this one toggle at a time saves a lot of toggles... */
  for(Edge e=0; e<n_edges; e++){
    ModelTerm *mtp = m->termarray;
    double *statspos=stats;
    
    for (unsigned int termi=0; termi < m->n_terms; termi++, mtp++){
      if(!mtp->s_func){
        (*(mtp->d_func))(1, tails+e, heads+e, 
        mtp, nwp);  /* Call d_??? function */
        for (unsigned int i=0; i < mtp->nstats; i++,statspos++)
          *statspos += mtp->dstats[i];
      }else statspos += mtp->nstats;
    }
    
    ToggleEdge(tails[e],heads[e],nwp);
  }
  
  ModelTerm *mtp = m->termarray;
  double *dstats = m->workspace;
  double *statspos=stats;
  for (unsigned int termi=0; termi < m->n_terms; termi++, dstats+=mtp->nstats, mtp++ ){
    if(mtp->s_func){
      (*(mtp->s_func))(mtp, nwp);  /* Call s_??? function */
      for (unsigned int i=0; i < mtp->nstats; i++,statspos++)
        *statspos = mtp->dstats[i];
    }else statspos += mtp->nstats;
  }
  
  PutRNGstate();
}
Ejemplo n.º 3
0
void SummStats(Edge n_edges, Vertex n_nodes, Vertex *tails, Vertex *heads,
Network *nwp, Model *m, double *stats, Network *y0){

	Vertex *nodes; /*may need to change*/

  nodes = (Vertex *)malloc( 1 * sizeof(Vertex));

  GetRNGstate();  /* R function enabling uniform RNG */
  
  ShuffleEdges(tails,heads,n_edges); /* Shuffle edgelist. */
  
  for (unsigned int termi=0; termi < m->n_terms; termi++)
    m->termarray[termi].dstats = m->workspace;
  
  /* Doing this one toggle at a time saves a lot of toggles... */
  for(Edge e=0; e<n_edges; e++){
    ModelTerm *mtp = m->termarray;
    double *statspos=stats;
    
    nodes[0] = 0;

    for (unsigned int termi=0; termi < m->n_terms; termi++, mtp++){
      if(!mtp->s_func){
        (*(mtp->d_func))(1, tails+e, heads+e, nodes,
        mtp, nwp, y0);  /* Call d_??? function */
        for (unsigned int i=0; i < mtp->nstats; i++,statspos++)
          *statspos += mtp->dstats[i];
      }else statspos += mtp->nstats;
    }
    ToggleEdge(tails[e],heads[e],nwp);
  }
  

  /* Doing this one toggle at a time saves a lot of toggles... */
  for(int v=0; v<n_nodes; v++){
	  if(m->nodalstatus[v]== 2.0){

		  nodes[0] =  (int) (v+1);

		  ModelTerm *mtp = m->termarray;

		double *statspos=stats;

    for (unsigned int termi=0; termi < m->n_terms; termi++, mtp++){
      if(!mtp->s_func){
        (*(mtp->d_func))(1, tails, heads, nodes,
        mtp, nwp, y0);  /* Call d_??? function */
        for (unsigned int i=0; i < mtp->nstats; i++,statspos++)
          *statspos += mtp->dstats[i];
      }else statspos += mtp->nstats;
    }
    ToggleNode(v+1,nwp);
  }
  }



  ModelTerm *mtp = m->termarray;
  double *dstats = m->workspace;
  double *statspos=stats;
  for (unsigned int termi=0; termi < m->n_terms; termi++, dstats+=mtp->nstats, mtp++ ){
    if(mtp->s_func){
      (*(mtp->s_func))(mtp, nwp);  /* Call s_??? function */
      for (unsigned int i=0; i < mtp->nstats; i++,statspos++)
        *statspos = mtp->dstats[i];
    }else statspos += mtp->nstats;
  }
  
  PutRNGstate();
}