From 8ed8fdb663089e2bc53fd537611a6b45a09cc502 Mon Sep 17 00:00:00 2001
From: Samo Penic <samo.penic@gmail.com>
Date: Sat, 30 Nov 2013 16:54:34 +0000
Subject: [PATCH] Seems to solve everything until bondflip

---
 src/vertex.c |  290 +++++++++++++++++++++++++++++++--------------------------
 1 files changed, 157 insertions(+), 133 deletions(-)

diff --git a/src/vertex.c b/src/vertex.c
index dfb0155..871fe29 100644
--- a/src/vertex.c
+++ b/src/vertex.c
@@ -8,97 +8,76 @@
 
 ts_vertex_list *init_vertex_list(ts_uint N){	
 	ts_int i;
-    ts_vertex *tlist;
-    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;
 	}
 	
-    vlist->vtx=(ts_vertex **)malloc(N*sizeof(ts_vertex *));
-    tlist=(ts_vertex *)malloc(N*sizeof(ts_vertex));
-    if(vlist->vtx==NULL || tlist==NULL)
+    vlist->vtx=(ts_vertex **)calloc(N,sizeof(ts_vertex *));
+    if(vlist->vtx==NULL)
         fatal("Fatal error reserving memory space for vertex list! Could number of requsted vertices be too large?", 100);
     for(i=0;i<N;i++) {
-        vlist->vtx[i]=&tlist[i];
-        vlist->vtx[i]->data=init_vertex_data();
+        vlist->vtx[i]=(ts_vertex *)calloc(1,sizeof(ts_vertex));
         vlist->vtx[i]->idx=i;
-    }
+	vlist->vtx[i]->neigh=init_vertex_list(0);
+    	/* initialize Ylm for spherical hamonics DONE in sh.c */
+    	}
     vlist->n=N;
+	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_vertex_data *init_vertex_data(){
-    ts_vertex_data *data;
-    data=(ts_vertex_data *)calloc(1,sizeof(ts_vertex_data));
-    if(data==NULL)
-        fatal("Fatal error reserving memory space for ts_vertex! Memory full?", 100);
-    return data;
+
+ts_bool vertex_list_add_vtx(ts_vertex_list *vlist, ts_vertex *vtx){
+
+#ifdef DEBUG
+	if(vtx==NULL)
+	err("VTX is null");
+	if(vlist==NULL) err("VLIST is null");
+
+	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*));
+		if(vlist->vtx==NULL){
+			fatal("Error in vertex_list_add. Could not reallocate memory space.",9999);
+		}
+		vlist->list_size+=TS_VLIST_CHUNK;
+	}
+//	printf("Test %u (max %u)!\n", vlist->n, vlist->list_size);
+	vlist->vtx[vlist->n]=vtx;
+	vlist->n++;
+	return TS_SUCCESS;
 }
 
 
-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->data->neigh_no;i++){
-        if(vtx->data->neigh[i]==nvtx) return TS_FAIL;
-    }
-    ts_uint nn=++vtx->data->neigh_no;
-    vtx->data->neigh=(ts_vertex **)realloc(vtx->data->neigh, nn*sizeof(ts_vertex *));
-    vtx->data->neigh[nn-1]=nvtx;
-
-    /* pa se sosedu dodamo vertex */
-    /*if it is already a neighbour don't add it to the list */
-    for(i=0; i<nvtx->data->neigh_no;i++){
-        if(nvtx->data->neigh[i]==vtx) return TS_FAIL;
-    } 
-    nn=++nvtx->data->neigh_no;
-    nvtx->data->neigh=(ts_vertex **)realloc(nvtx->data->neigh, nn*sizeof(ts_vertex *));
-    nvtx->data->neigh[nn-1]=vtx;
-
-
-    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->data->neigh_no;i++){
-        if(vtx->data->neigh[i]!=nvtx){
-            vtx->data->neigh[j]=vtx->data->neigh[i];
-            j++;
-        }
-    }
-/* resize memory. potentionally time consuming */
-    vtx->data->neigh_no--;
-    vtx->data->neigh=(ts_vertex **)realloc(vtx->data->neigh,vtx->data->neigh_no*sizeof(ts_vertex *));
-    if(vtx->data->neigh == NULL && vtx->data->neigh_no!=0)
-        fatal("Reallocation of memory failed during removal of vertex neighbour in vtx_remove_neighbour",100);
-
-/* repeat for the neighbour */
-/* find a neighbour */
-/* remove it from the list while shifting remaining neighbours up */
-    for(i=0;i<nvtx->data->neigh_no;i++){
-        if(nvtx->data->neigh[i]!=vtx){
-            nvtx->data->neigh[j]=nvtx->data->neigh[i];
-            j++;
-        }
-    }
-/* resize memory. potentionally time consuming. */
-    nvtx->data->neigh_no--;
-    nvtx->data->neigh=(ts_vertex **)realloc(nvtx->data->neigh,nvtx->data->neigh_no*sizeof(ts_vertex *));
-    if(nvtx->data->neigh == NULL && nvtx->data->neigh_no!=0)
-        fatal("Reallocation of memory failed during removal of vertex neighbour in vtx_remove_neighbour",100);
-
-    return TS_SUCCESS;
+/* Idea is to delete vertex by removing it from list. The emply place is then filled in by the last 
+vertex in the list. List can then be resized by one -- unless resize is required when max list size - 
+real list size > predefined value */
+ts_bool vertex_list_remove_vtx(ts_vertex_list *vlist, ts_vertex *vtx){
+#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[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*));
+				if(vlist->vtx==NULL){
+					fatal("Error in vertex_list_add. Could not reallocate memory space.",9999);
+				}
+				vlist->list_size-=TS_VLIST_CHUNK;
+			}
+			return TS_SUCCESS;
+		}
+	}
+	return TS_FAIL;
 }
 
 
@@ -107,21 +86,41 @@
     ts_bond *bond;
     bond=bond_add(blist,vtx1,vtx2);
     if(bond==NULL) return TS_FAIL;
-    vtx1->data->bond_no++;
-    vtx2->data->bond_no++;
+    vtx1->bond_no++;
+    vtx2->bond_no++;
+   // vtx2->data->bond_no++;
 
-    vtx1->data->bond=(ts_bond **)realloc(vtx1->data->bond, vtx1->data->bond_no*sizeof(ts_bond *)); 
-    vtx2->data->bond=(ts_bond **)realloc(vtx2->data->bond, vtx2->data->bond_no*sizeof(ts_bond *)); 
-    vtx1->data->bond[vtx1->data->bond_no-1]=bond;
-    vtx2->data->bond[vtx2->data->bond_no-1]=bond;
+    vtx1->bond=(ts_bond **)realloc(vtx1->bond, vtx1->bond_no*sizeof(ts_bond *)); 
+    vtx2->bond=(ts_bond **)realloc(vtx2->bond, vtx2->bond_no*sizeof(ts_bond *)); 
+   // vtx2->data->bond=(ts_bond **)realloc(vtx2->data->bond, vtx2->data->bond_no*sizeof(ts_bond *)); 
+    vtx1->bond[vtx1->bond_no-1]=bond;
+    vtx2->bond[vtx2->bond_no-1]=bond;
+   // vtx2->ata->bond[vtx2->data->bond_no-1]=bond;
     return TS_SUCCESS;
+}
+
+
+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);
-    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;
 }
 
@@ -136,19 +135,13 @@
 }
 
 
-
-ts_bool vtx_data_free(ts_vertex_data *data){
-    if(data->neigh!=NULL)   free(data->neigh);
-    if(data->tristar!=NULL) free(data->tristar);
-    if(data->bond!=NULL)    free(data->bond);
-    if(data->cell!=NULL)    free(data->cell);
-    free(data);
-    return TS_SUCCESS;
-}
-
-/*not usable. can be deleted */
 ts_bool vtx_free(ts_vertex  *vtx){
-    vtx_data_free(vtx->data);
+    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);
     return TS_SUCCESS;
 }
@@ -156,9 +149,9 @@
 ts_bool vtx_list_free(ts_vertex_list *vlist){
     int i;
     for(i=0;i<vlist->n;i++){
-        vtx_data_free(vlist->vtx[i]->data);
+		if(vlist->vtx[i]!=NULL) vtx_free(vlist->vtx[i]);
     }
-    free(*(vlist->vtx));
+    //free(*(vlist->vtx));
     free(vlist->vtx);
     free(vlist);
     return TS_SUCCESS;
@@ -166,15 +159,14 @@
 
 inline ts_double vtx_distance_sq(ts_vertex *vtx1, ts_vertex *vtx2){
     ts_double dist;
-    ts_vertex_data *vd1=vtx1->data, *vd2=vtx2->data;
 #ifdef TS_DOUBLE_DOUBLE
-    dist=pow(vd1->x-vd2->x,2) + pow(vd1->y-vd2->y,2) + pow(vd1->z-vd2->z,2);
+    dist=pow(vtx1->x-vtx2->x,2) + pow(vtx1->y-vtx2->y,2) + pow(vtx1->z-vtx2->z,2);
 #endif
 #ifdef TS_DOUBLE_LONGDOUBLE
-    dist=powl(vd1->x-vd2->x,2) + powl(vd1->y-vd2->y,2) + powl(vd1->z-vd2->z,2);
+    dist=powl(vtx1->x-vtx2->x,2) + powl(vtx1->y-vtx2->y,2) + powl(vtx1->z-vtx2->z,2);
 #endif
 #ifdef TS_DOUBLE_FLOAT
-    dist=powf(vd1->x-vd2->x,2) + powf(vd1->y-vd2->y,2) + powf(vd1->z-vd2->z,2);
+    dist=powf(vtx1->x-vtx2->x,2) + powf(vtx1->y-vtx2->y,2) + powf(vtx1->z-vtx2->z,2);
 #endif
     return(dist);
 }
@@ -185,66 +177,98 @@
     ts_double xk=vesicle->bending_rigidity;
     ts_uint i; 
     for(i=0;i<vesicle->vlist->n;i++){
-        vesicle->vlist->vtx[i]->data->xk=xk;
+        vesicle->vlist->vtx[i]->xk=xk;
     }
     return TS_SUCCESS;
 }
 
 inline ts_double vtx_direct(ts_vertex *vtx1, ts_vertex *vtx2, ts_vertex *vtx3){
-    ts_double dX2=vtx2->data->x-vtx1->data->x;
-    ts_double dY2=vtx2->data->y-vtx1->data->y;
-    ts_double dZ2=vtx2->data->z-vtx1->data->z;
-    ts_double dX3=vtx3->data->x-vtx1->data->x;
-    ts_double dY3=vtx3->data->y-vtx1->data->y;
-    ts_double dZ3=vtx3->data->z-vtx1->data->z;
-    ts_double direct=vtx1->data->x*(dY2*dZ3 -dZ2*dY3)+ 
-        vtx1->data->y*(dZ2*dX3-dX2*dZ3)+
-        vtx1->data->z*(dX2*dY3-dY2*dX3);
+    ts_double dX2=vtx2->x-vtx1->x;
+    ts_double dY2=vtx2->y-vtx1->y;
+    ts_double dZ2=vtx2->z-vtx1->z;
+    ts_double dX3=vtx3->x-vtx1->x;
+    ts_double dY3=vtx3->y-vtx1->y;
+    ts_double dZ3=vtx3->z-vtx1->z;
+    ts_double direct=vtx1->x*(dY2*dZ3 -dZ2*dY3)+ 
+        vtx1->y*(dZ2*dX3-dX2*dZ3)+
+        vtx1->z*(dX2*dY3-dY2*dX3);
     return(direct);    
 }
 
 
 inline ts_bool vertex_add_tristar(ts_vertex *vtx, ts_triangle *tristarmem){
-	vtx->data->tristar_no++;
-	vtx->data->tristar=(ts_triangle **)realloc(vtx->data->tristar,vtx->data->tristar_no*sizeof(ts_triangle *));
-	if(vtx->data->tristar==NULL){
+	vtx->tristar_no++;
+	vtx->tristar=(ts_triangle **)realloc(vtx->tristar,vtx->tristar_no*sizeof(ts_triangle *));
+	if(vtx->tristar==NULL){
 			fatal("Reallocation of memory while adding tristar failed.",3);
 	}
-	vtx->data->tristar[vtx->data->tristar_no-1]=tristarmem;
+	vtx->tristar[vtx->tristar_no-1]=tristarmem;
 	return TS_SUCCESS;
 }
+
+
+
+/* vtx remove tristar is required in  bondflip. */
+/* TODO: Check whether it is important to keep the numbering of tristar
+ * elements in some order or not! */
+inline ts_bool vtx_remove_tristar(ts_vertex *vtx, ts_triangle *tristar){
+    ts_uint i,j=0;
+    for(i=0;i<vtx->tristar_no;i++){
+        if(vtx->tristar[i]!=tristar){
+            vtx->tristar[j]=vtx->tristar[i];
+            j++;
+        }
+    }
+    vtx->tristar_no--;
+    vtx->tristar=realloc(vtx->tristar,vtx->tristar_no*sizeof(ts_triangle *));
+    if(vtx->neigh == NULL){
+            fatal("Reallocation of memory failed during insertion of vertex neighbour in vertex_add_neighbour",3);
+        }
+    return TS_SUCCESS;
+}
+
 
 
 /* ****************************************************************** */
 /* ***** New vertex copy operations. Inherently they are slow.  ***** */
 /* ****************************************************************** */
 
-ts_vertex *vtx_copy(ts_vertex *ovtx){
-    ts_vertex *cvtx=(ts_vertex *)malloc(sizeof(ts_vertex));
+ts_bool vtx_copy(ts_vertex *cvtx, ts_vertex *ovtx){
     memcpy((void *)cvtx,(void *)ovtx,sizeof(ts_vertex));
-    cvtx->data=(ts_vertex_data *)malloc(sizeof(ts_vertex_data));
-    memcpy((void *)cvtx->data,(void *)ovtx->data,sizeof(ts_vertex_data));
-    cvtx->data->neigh=NULL;
-    cvtx->data->neigh_no=0;
-    cvtx->data->tristar_no=0;
-    cvtx->data->bond_no=0;
-    cvtx->data->tristar=NULL;
-    cvtx->data->bond=NULL;
-    cvtx->data->cell=NULL; 
-    return cvtx;
+    cvtx->neigh=init_vertex_list(0);
+    cvtx->tristar_no=0;
+    cvtx->bond_no=0;
+    cvtx->tristar=NULL;
+    cvtx->bond=NULL;
+    cvtx->cell=NULL;
+    return TS_SUCCESS;
 }
+
+ts_bool vtx_duplicate(ts_vertex *cvtx, ts_vertex *ovtx){
+    memcpy((void *)cvtx,(void *)ovtx,sizeof(ts_vertex));
+    return TS_SUCCESS;
+}
+
 //TODO: needs to be done
 ts_vertex **vtx_neigh_copy(ts_vertex_list *vlist,ts_vertex *ovtx){
         return NULL;
 }
 
+
+
 ts_vertex_list *vertex_list_copy(ts_vertex_list *ovlist){
     ts_uint i;
     ts_vertex_list *vlist=(ts_vertex_list *)malloc(sizeof(ts_vertex_list));
-    memcpy((void *)vlist, (void *)ovlist, sizeof(ts_vertex_list));
+    vlist=memcpy((void *)vlist, (void *)ovlist, sizeof(ts_vertex_list));
     ts_vertex **vtx=(ts_vertex **)malloc(vlist->n*sizeof(ts_vertex *));
-    for(i=0;i<vlist->n;i++){
-        vtx[i]=vtx_copy(ovlist->vtx[i]);
+    vlist->vtx=vtx;
+    if(vlist->vtx==NULL)
+        fatal("Fatal error reserving memory space for vertex list! Could number of requsted vertices be too large?", 100);
+    for(i=0;i<vlist->n;i++) {
+        vlist->vtx[i]=(ts_vertex *)calloc(1,sizeof(ts_vertex));
+        vlist->vtx[i]->idx=i;
+        vtx_copy(vlist->vtx[i],ovlist->vtx[i]);
     }
+
     return vlist;
 }

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