From 30ee9c409ed7c743c693f1e068c1d7393949207a Mon Sep 17 00:00:00 2001
From: Samo Penic <samo.penic@fe.uni-lj.si>
Date: Thu, 14 Jun 2012 09:24:31 +0000
Subject: [PATCH] Started with bondflip. There is still an error in calling vtx_remove_neighbour with vertices that are actually not neighbours.
---
src/vertex.c | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 57 insertions(+), 0 deletions(-)
diff --git a/src/vertex.c b/src/vertex.c
index 21ad48e..466c064 100644
--- a/src/vertex.c
+++ b/src/vertex.c
@@ -79,6 +79,9 @@
j++;
}
}
+ if(j==0) {
+ fatal("vtx_remove_neighbour: Error, vertices are not neighbours", 100);
+ }
/* resize memory. potentionally time consuming */
vtx->neigh_no--;
vtx->neigh=(ts_vertex **)realloc(vtx->neigh,vtx->neigh_no*sizeof(ts_vertex *));
@@ -110,11 +113,14 @@
bond=bond_add(blist,vtx1,vtx2);
if(bond==NULL) return TS_FAIL;
vtx1->bond_no++;
+ vtx2->bond_no++;
// vtx2->data->bond_no++;
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;
}
@@ -207,6 +213,57 @@
}
+/* 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
+ * 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. ***** */
/* ****************************************************************** */
--
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