From a2a67644115039486dc07aa4d9d636267f99b22a Mon Sep 17 00:00:00 2001
From: Samo Penic <samo@andromeda>
Date: Sun, 28 Nov 2010 19:55:35 +0000
Subject: [PATCH] triangles added to the data structure.
---
src/vertex.c | 100 ++++++++++++++++++++++++++++++++++++++++++++------
1 files changed, 88 insertions(+), 12 deletions(-)
diff --git a/src/vertex.c b/src/vertex.c
index b83f609..4df3396 100644
--- a/src/vertex.c
+++ b/src/vertex.c
@@ -3,11 +3,13 @@
#include<string.h>
#include "general.h"
#include "vertex.h"
+#include "bond.h"
#include<stdio.h>
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 *tlist;
+ ts_vertex_list *vlist=(ts_vertex_list *)malloc(sizeof(ts_vertex_list));
if(N==0){
err("Initialized vertex list with zero elements. Pointer set to NULL");
@@ -16,17 +18,22 @@
return vlist;
}
- vlist->vtx=(ts_vertex *)malloc(N*sizeof(ts_vertex));
- if(vlist->vtx==NULL)
+ vlist->vtx=(ts_vertex **)malloc(N*sizeof(ts_vertex *));
+ tlist=(ts_vertex *)malloc(N*sizeof(ts_vertex));
+ if(vlist->vtx==NULL || tlist==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].data=init_vertex_data();
+ for(i=0;i<N;i++) {
+ vlist->vtx[i]=&tlist[i];
+ vlist->vtx[i]->data=init_vertex_data();
+ vlist->vtx[i]->idx=i;
+ }
vlist->n=N;
return vlist;
}
ts_vertex_data *init_vertex_data(){
ts_vertex_data *data;
- data=(ts_vertex_data *)malloc(sizeof(ts_vertex_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;
@@ -54,24 +61,91 @@
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++;
+ ts_uint nn=++vtx->data->neigh_no;
vtx->data->neigh=(ts_vertex **)realloc(vtx->data->neigh, nn*sizeof(ts_vertex *));
- vtx->data->neigh[nn]=nvtx;
+ 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++;
+ nn=++nvtx->data->neigh_no;
nvtx->data->neigh=(ts_vertex **)realloc(nvtx->data->neigh, nn*sizeof(ts_vertex *));
- nvtx->data->neigh[nn]=vtx;
+ nvtx->data->neigh[nn-1]=vtx;
-
-/* Ustvari bond in doloci dolzino */
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;
+}
+
+
+ts_bool vtx_add_bond(ts_bond_list *blist,ts_vertex *vtx1,ts_vertex *vtx2){
+ ts_bond *bond;
+ bond=bond_add(blist,vtx1,vtx2);
+ if(bond==NULL) return TS_FAIL;
+ vtx1->data->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;
+ 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);
+ return retval;
+}
+
+/*TODO: write and optimize this urgently before use! */
+ts_bool vtx_remove_cneighbour(ts_bond_list *blist, ts_vertex *vtx1, ts_vertex
+*vtx2){
+// ts_bool retval;
+/* remove the bond */
+//retval=vtx_remove_bond(blist,vtx1,vtx2);
+/* remove the vertices */
+ return TS_SUCCESS;
+}
+
ts_bool vtx_data_free(ts_vertex_data *data){
@@ -83,6 +157,7 @@
return TS_SUCCESS;
}
+/*not usable. can be deleted */
ts_bool vtx_free(ts_vertex *vtx){
vtx_data_free(vtx->data);
free(vtx);
@@ -92,8 +167,9 @@
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);
+ vtx_data_free(vlist->vtx[i]->data);
}
+ free(*(vlist->vtx));
free(vlist->vtx);
free(vlist);
return TS_SUCCESS;
--
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