| | |
| | | |
| | | ts_vertex_list *init_vertex_list(ts_uint N){ |
| | | ts_int i; |
| | | ts_vertex_list *vlist=(ts_vertex_list *)malloc(sizeof(ts_vertex_list)); |
| | | |
| | | ts_vertex_list *vlist=(ts_vertex_list *)calloc(1,sizeof(ts_vertex_list)); |
| | | |
| | | if(N==0){ |
| | | err("Initialized vertex list with zero elements. Pointer set to NULL"); |
| | | vlist->n=0; |
| | | vlist->vtx=NULL; |
| | | vlist->n=0; |
| | | vlist->vtx=(ts_vertex **)calloc(1,sizeof(ts_vertex *)); /*Allocate one memory space for vlist anyway */ |
| | | return vlist; |
| | | } |
| | | |
| | |
| | | for(i=0;i<N;i++) { |
| | | vlist->vtx[i]=(ts_vertex *)calloc(1,sizeof(ts_vertex)); |
| | | vlist->vtx[i]->idx=i; |
| | | |
| | | /* initialize Ylm for spherical hamonics DONE in sh.c */ |
| | | /* for(i=0;i<l;i++){ |
| | | vlist->vtx[i]->Ylm[i]=(ts_double **)calloc(2*i+1,sizeof(ts_double *)); |
| | | for(j=0;j<(2*i+1);j++){ |
| | | clist->vtx[i]->Ylm[i][j]=(ts_double *)calloc(sizeof(ts_double)); |
| | | } |
| | | } |
| | | */ |
| | | |
| | | |
| | | } |
| | | vlist->vtx[i]->neigh=init_vertex_list(0); |
| | | /* initialize Ylm for spherical hamonics DONE in sh.c */ |
| | | } |
| | | vlist->n=N; |
| | | return vlist; |
| | | vlist->list_size=TS_VLIST_CHUNK; //TODO: can be buggy in some cases, when N>0 and we want to delete some vertices. |
| | | return vlist; |
| | | } |
| | | |
| | | |
| | | ts_bool vertex_list_add_vtx(ts_vertex_list *vlist, ts_vertex *vtx){ |
| | | |
| | | #ifdef DEBUG |
| | | if(vtx==NULL || vlist==NULL) return TS_FAIL; |
| | | if(vtx==NULL || vlist==NULL) |
| | | return TS_FAIL; |
| | | #endif |
| | | if(vlist->list_size < vlist->n+1){ |
| | | vlist->vtx=(ts_vertex **)realloc(vlist->vtx, (vlist->list_size+TS_VLIST_CHUNK)*sizeof(ts_vertex*)); |
| | |
| | | } |
| | | vlist->list_size+=TS_VLIST_CHUNK; |
| | | } |
| | | vlist->vtx[n]=vtx; |
| | | vlist->vtx[vlist->n]=vtx; |
| | | vlist->n++; |
| | | return TS_SUCCESS; |
| | | } |
| | |
| | | #ifdef DEBUG |
| | | if(vtx==NULL || vlist==NULL) return TS_FAIL; |
| | | #endif |
| | | ts_uint i; |
| | | for(i=0; i<vlist->n;i++){ |
| | | if(vlist->vtx[i]==vtx){ |
| | | vlist->vtx[i]=vlist->vtx[n-1]; |
| | | vlist->vtx[i]=vlist->vtx[vlist->n-1]; |
| | | vlist->n--; |
| | | if(vlist->list_size-vlist->n > TS_VLIST_CHUNK){ |
| | | vlist->vtx=(ts_vertex **)realloc(vlist->vtx, (vlist->list_size-TS_VLIST_CHUNK)*sizeof(ts_vertex*)); |
| | |
| | | } |
| | | } |
| | | return TS_FAIL; |
| | | } |
| | | |
| | | |
| | | ts_bool vtx_add_neighbour(ts_vertex *vtx, ts_vertex *nvtx){ |
| | | ts_uint i; |
| | | /* no neighbour can be null! */ |
| | | if(vtx==NULL || nvtx==NULL) return TS_FAIL; |
| | | |
| | | /*if it is already a neighbour don't add it to the list */ |
| | | for(i=0; i<vtx->neigh->n;i++){ |
| | | if(vtx->neigh->vtx[i]==nvtx) return TS_FAIL; |
| | | } |
| | | ts_uint nn=++vtx->neigh->n; |
| | | vtx->neigh=(ts_vertex **)realloc(vtx->neigh, nn*sizeof(ts_vertex *)); |
| | | vtx->neigh[nn-1]=nvtx; |
| | | |
| | | return TS_SUCCESS; |
| | | } |
| | | |
| | | /* TODO: optimize this. test this. */ |
| | | ts_bool vtx_remove_neighbour(ts_vertex *vtx, ts_vertex *nvtx){ |
| | | /* find a neighbour */ |
| | | /* remove it from the list while shifting remaining neighbours up */ |
| | | ts_uint i,j=0; |
| | | for(i=0;i<vtx->neigh_no;i++){ |
| | | // fprintf(stderr,"neigh_addr=%ld\n", (long)vtx->neigh[i]); |
| | | if(vtx->neigh[i]!=nvtx){ |
| | | vtx->neigh[j]=vtx->neigh[i]; |
| | | j++; |
| | | } |
| | | } |
| | | // fprintf(stderr,"remove_neighbour: vtx1_addr=%ld, vtx2_addr=%ld\n",(long)vtx,(long)nvtx); |
| | | /* resize memory. potentionally time consuming */ |
| | | vtx->neigh_no--; |
| | | vtx->neigh=(ts_vertex **)realloc(vtx->neigh,vtx->neigh_no*sizeof(ts_vertex *)); |
| | | if(vtx->neigh == NULL && vtx->neigh_no!=0) |
| | | fatal("(1) Reallocation of memory failed during removal of vertex neighbour in vtx_remove_neighbour",100); |
| | | //fprintf(stderr,"first alloc"); |
| | | /* repeat for the neighbour */ |
| | | /* find a neighbour */ |
| | | /* remove it from the list while shifting remaining neighbours up */ |
| | | j=0; |
| | | for(i=0;i<nvtx->neigh_no;i++){ |
| | | if(nvtx->neigh[i]!=vtx){ |
| | | nvtx->neigh[j]=nvtx->neigh[i]; |
| | | j++; |
| | | } |
| | | } |
| | | /* resize memory. potentionally time consuming. */ |
| | | // fprintf(stderr,"Neigbours=%d\n",nvtx->neigh_no); |
| | | nvtx->neigh_no--; |
| | | nvtx->neigh=(ts_vertex **)realloc(nvtx->neigh,nvtx->neigh_no*sizeof(ts_vertex *)); |
| | | // fprintf(stderr,"Neigbours=%d\n",nvtx->neigh_no); |
| | | if(nvtx->neigh == NULL && nvtx->neigh_no!=0) |
| | | fatal("(2) Reallocation of memory failed during removal of vertex neighbour in vtx_remove_neighbour",100); |
| | | |
| | | return TS_SUCCESS; |
| | | } |
| | | |
| | | |
| | |
| | | return TS_SUCCESS; |
| | | } |
| | | |
| | | // Add neighbour just in one direction (add vtx2 as a neigh of vtx1 and not another way around! |
| | | ts_bool vtx_add_neighbour(ts_vertex *vtx1, ts_vertex *vtx2){ |
| | | ts_uint i; |
| | | if(vtx1==NULL || vtx2==NULL) return TS_FAIL; |
| | | for(i=0;i<vtx1->neigh->n;i++){ |
| | | if (vtx1->neigh->vtx[i]==vtx2){ |
| | | return TS_FAIL; |
| | | } |
| | | } |
| | | vertex_list_add_vtx(vtx1->neigh, vtx2); |
| | | return TS_SUCCESS; |
| | | } |
| | | |
| | | |
| | | ts_bool vtx_add_cneighbour(ts_bond_list *blist, ts_vertex *vtx1, ts_vertex *vtx2){ |
| | | ts_bool retval; |
| | | retval=vtx_add_neighbour(vtx1,vtx2); |
| | | // retval=vtx_add_neighbour(vtx2,vtx1); |
| | | if(retval==TS_SUCCESS) |
| | | retval=vtx_add_bond(blist,vtx1,vtx2); |
| | | retval=vtx_add_neighbour(vtx1, vtx2); |
| | | // retval=vertex_list_add_vtx(vtx1->neigh, vtx2); |
| | | // retval=vertex_list_add_vtx(vtx2->neigh, vtx1); |
| | | if(retval==TS_SUCCESS){ |
| | | // fprintf(stderr,"Bond added\n"); |
| | | retval=vtx_add_bond(blist,vtx1,vtx2); |
| | | } |
| | | return retval; |
| | | } |
| | | |
| | |
| | | |
| | | |
| | | ts_bool vtx_free(ts_vertex *vtx){ |
| | | if(vtx->neigh!=NULL) free(vtx->neigh); |
| | | if(vtx->neigh!=NULL) { |
| | | if (vtx->neigh->vtx!=NULL) free(vtx->neigh->vtx); |
| | | free(vtx->neigh); |
| | | } |
| | | if(vtx->tristar!=NULL) free(vtx->tristar); |
| | | if(vtx->bond!=NULL) free(vtx->bond); |
| | | free(vtx); |
| | |
| | | } |
| | | |
| | | |
| | | /* Insert neighbour is a function that is required in bondflip. It inserts a |
| | | * neighbour exactly in the right place. */ |
| | | inline ts_bool vtx_insert_neighbour(ts_vertex *vtx, ts_vertex *nvtx, ts_vertex *vtxm){ |
| | | //nvtx is a vertex that is to be inserted after vtxm! |
| | | ts_uint i,j,midx; |
| | | vtx->neigh_no++; |
| | | if(vtxm==NULL || nvtx==NULL || vtx==NULL) |
| | | fatal("vertex_insert_neighbour: one of pointers has been zero.. Cannot proceed.",3); |
| | | //We need to reallocate space! The pointer *neight must be zero if not having neighbours jey (if neigh_no was 0 at thime of calling |
| | | vtx->neigh=realloc(vtx->neigh,vtx->neigh_no*sizeof(ts_vertex *)); |
| | | if(vtx->neigh == NULL){ |
| | | fatal("Reallocation of memory failed during insertion of vertex neighbour in vertex_insert_neighbour",3); |
| | | } |
| | | midx=0; |
| | | for(i=0;i<vtx->neigh_no-1;i++) if(vtx->neigh[i]==vtxm) {midx=i; break;} |
| | | // fprintf(stderr,"midx=%d, vseh=%d\n",midx,vtx->neigh_no-2); |
| | | if(midx==vtx->neigh_no-2) { |
| | | vtx->neigh[vtx->neigh_no-1]=nvtx; |
| | | } else { |
| | | for(j=vtx->neigh_no-2;j>midx;j--) { |
| | | vtx->neigh[j+1]=vtx->neigh[j]; |
| | | // vtx->bond_length[j+1]=vtx->bond_length[j]; |
| | | // vtx->bond_length_dual[j+1]=vtx->bond_length_dual[j]; |
| | | } |
| | | vtx->neigh[midx+1]=nvtx; |
| | | } |
| | | return TS_SUCCESS; |
| | | } |
| | | |
| | | |
| | | /* vtx remove tristar is required in bondflip. */ |
| | | /* TODO: Check whether it is important to keep the numbering of tristar |
| | |
| | | |
| | | ts_bool vtx_copy(ts_vertex *cvtx, ts_vertex *ovtx){ |
| | | memcpy((void *)cvtx,(void *)ovtx,sizeof(ts_vertex)); |
| | | cvtx->neigh=NULL; |
| | | cvtx->neigh_no=0; |
| | | cvtx->neigh=init_vertex_list(0); |
| | | cvtx->tristar_no=0; |
| | | cvtx->bond_no=0; |
| | | cvtx->tristar=NULL; |