| | |
| | | */ |
| | | ts_vertex *it=bond->vtx1; |
| | | ts_vertex *k=bond->vtx2; |
| | | ts_uint nei,neip,neim; |
| | | ts_uint i; //j; |
| | | // ts_uint nei,neip,neim; |
| | | ts_uint i; |
| | | ts_double oldenergy, delta_energy; |
| | | // ts_triangle *lm=NULL,*lp=NULL, *lp1=NULL, *lp2=NULL, *lm1=NULL, *lm2=NULL; |
| | | ts_vertex *kp=NULL,*km=NULL; |
| | | ts_triangle *lm=NULL, *lp=NULL; |
| | | |
| | | if(it->neigh->n< 3) return TS_FAIL; |
| | | if(k->neigh->n< 3) return TS_FAIL; |
| | | |
| | | if(k==NULL || it==NULL){ |
| | | fatal("In bondflip, number of neighbours of k or it is less than 3!",999); |
| | | } |
| | | |
| | | nei=0; |
| | | for(i=0;i<it->neigh->n;i++){ // Finds the nn of it, that is k |
| | | if(it->neigh->vtx[i]==k){ |
| | | nei=i; |
| | | break; |
| | | } |
| | | } |
| | | neip=nei+1; // I don't like it.. Smells like I must have it in correct order |
| | | neim=nei-1; |
| | | if(neip>=it->neigh->n) neip=0; |
| | | if((ts_int)neim<0) neim=it->neigh->n-1; /* casting is essential... If not |
| | | there the neim is never <0 !!! */ |
| | | // fprintf(stderr,"The numbers are: %u %u\n",neip, neim); |
| | | km=it->neigh->vtx[neim]; // We located km and kp |
| | | kp=it->neigh->vtx[neip]; |
| | | |
| | | //find lm and lp (triangles that is common with k and it) |
| | | for(i=0;i<it->tristar_no;i++){ |
| | | if(it->tristar[i]->vertex[0]==k || it->tristar[i]->vertex[1]==k || it->tristar[i]->vertex[2]==k){ |
| | | if(lm==NULL) lm=it->tristar[i]; |
| | | else lp=it->tristar[i]; |
| | | } |
| | | } |
| | | |
| | | if(lm==NULL || lp==NULL) { |
| | | fatal("In bondflip, cannot determine lp and lm",999); |
| | | } |
| | | |
| | | if(km==NULL || kp==NULL){ |
| | | fatal("In bondflip, cannot determine km and kp!",999); |
| | | } |
| | | |
| | | // fprintf(stderr,"I WAS HERE! after the 4 vertices are known!\n"); |
| | | #ifdef DEBUG |
| | | if(bond->adjvtx[0]==NULL || bond->adjvtx[1]==NULL) fatal ("single_bondflip_timestep: Adjvertex for called bond is null. This should not happen!",999); |
| | | #endif |
| | | ts_vertex *kp=bond->adjvtx[1],*km=bond->adjvtx[0]; |
| | | // ts_triangle *lm=NULL, *lp=NULL; |
| | | |
| | | /* test if the membrane is wrapped too much, so that kp is nearest neighbour of |
| | | * km. If it is true, then don't flip! */ |
| | | /*TODO: dec2013, i think this never happens! |
| | | for(i=0;i<km->neigh->n;i++){ |
| | | if(km->neigh->vtx[i] == kp) return TS_FAIL; |
| | | } |
| | | */ |
| | | |
| | | |
| | | // fprintf(stderr,"Membrane didn't wrap too much.. Continue.\n"); |
| | | /* if bond would be too long, return... */ |
| | | if(vtx_distance_sq(km,kp) > vesicle->dmax ) return TS_FAIL; |
| | | if(vtx_distance_sq(bond->adjvtx[0],bond->adjvtx[1]) > vesicle->dmax ) return TS_FAIL; |
| | | // fprintf(stderr,"Bond will not be too long.. Continue.\n"); |
| | | |
| | | /* we make a bond flip. this is different than in original fortran */ |
| | |
| | | |
| | | */ |
| | | // fprintf(stderr,"I WAS HERE! Before bondflip!\n"); |
| | | ts_flip_bond(k,it,km,kp, bond); |
| | | ts_flip_bond(bond); |
| | | // fprintf(stderr,"I WAS HERE! Bondflip successful!\n"); |
| | | |
| | | /* Calculating the new energy */ |
| | | delta_energy=0; |
| | | /* TODO: why this neighs are recalculated? Not necessary! */ |
| | | for(i=0;i<k->neigh->n;i++) energy_vertex(k->neigh->vtx[i]); |
| | | for(i=0;i<kp->neigh->n;i++) energy_vertex(kp->neigh->vtx[i]); |
| | | for(i=0;i<km->neigh->n;i++) energy_vertex(km->neigh->vtx[i]); |
| | |
| | | // fprintf(stderr,"Failed to move, due to MC\n"); |
| | | |
| | | // ts_flip_bond(km,kp,it,k, bond); |
| | | ts_flip_bond(kp,km,k,it, bond); |
| | | ts_flip_bond(bond); |
| | | |
| | | |
| | | /* |
| | |
| | | } |
| | | |
| | | |
| | | ts_bool ts_flip_bond(ts_vertex *k,ts_vertex *it,ts_vertex *km, ts_vertex *kp, |
| | | ts_bond *bond){ |
| | | |
| | | ts_bool ts_flip_bond(ts_bond *bond){ |
| | | fprintf(stderr,"Called!\n"); |
| | | ts_triangle *lm=NULL,*lp=NULL, *lp1=NULL, *lm2=NULL; |
| | | ts_uint i,j; //lmidx, lpidx; |
| | | if(k==NULL || it==NULL || km==NULL || kp==NULL){ |
| | | ts_uint i; //lmidx, lpidx; |
| | | /*This is no longer necessary! if(k==NULL || it==NULL || km==NULL || kp==NULL){ |
| | | fatal("ts_flip_bond: You called me with invalid pointers to vertices",999); |
| | | } |
| | | }*/ |
| | | // 1. step. We find lm and lp from k->tristar ! |
| | | for(i=0;i<it->tristar_no;i++){ |
| | | /* for(i=0;i<it->tristar_no;i++){ |
| | | for(j=0;j<k->tristar_no;j++){ |
| | | if((it->tristar[i] == k->tristar[j])){ //ce gre za skupen trikotnik |
| | | if((it->tristar[i]->vertex[0] == km || it->tristar[i]->vertex[1] |
| | |
| | | } |
| | | } |
| | | } |
| | | */ |
| | | //Upper block no longer neccessary. |
| | | ts_vertex *it=bond->vtx1; |
| | | ts_vertex *k=bond->vtx2; |
| | | ts_vertex *km=bond->adjvtx[0]; |
| | | ts_vertex *kp=bond->adjvtx[1]; |
| | | lm=bond->tria[0]; |
| | | lp=bond->tria[1]; |
| | | /* |
| | | // DEBUG TESTING! |
| | | fprintf(stderr,"*** Naslov k=%d\n",k); |
| | |
| | | |
| | | // END DEBUG TESTING! |
| | | */ |
| | | //find bonds between k and kp (adj[1] vtx) |
| | | //find bonds between it and km (adj[0] vtx) |
| | | for(i=0;i<it->tristar_no;i++){ |
| | | if((it->tristar[i]->vertex[0]==km || it->tristar[i]->vertex[1]==km || it->tristar[i]->vertex[2]==km) && (it->tristar[i]->vertex[0]==it || it->tristar[i]->vertex[1]==it || it->tristar[i]->vertex[2]==it)){ |
| | | lm2=it->tristar[i]; |
| | | } |
| | | else if ((it->tristar[i]->vertex[0]==kp || it->tristar[i]->vertex[1]==kp || it->tristar[i]->vertex[2]==kp) && (it->tristar[i]->vertex[0]==k || it->tristar[i]->vertex[1]==k || it->tristar[i]->vertex[2]==k)){ |
| | | lp1=it->tristar[i]; |
| | | } |
| | | } |
| | | if(lm2==NULL || lp1==NULL) fatal("ts_flip_bond: Cannot find triangles lm2 and lp1!",999); |
| | | |
| | | /* |
| | | //DEBUG TESTING |
| | | fprintf(stderr,"1. step: lm, lm2, lp1 and lp found!\n"); |
| | |
| | | energy_vertex(km); |
| | | energy_vertex(it); |
| | | |
| | | //Extra steps for new bond data structure |
| | | bond->adjvtx[0]=k; |
| | | bond->adjvtx[1]=it; |
| | | |
| | | // END modifications to data structure! |
| | | |