added function to remove vertex neighbour (but not connected vertex neighbour)

Samo Penic

2010-11-28 9802f169c159d66159bc15fce86c4aaa3c9e9ce5

 src/main.c

@@ -23,6 +23,9 @@
retval=vtx_add_cneighbour(blist,vlist->vtx[0],vlist->vtx[1]);
if(retval==TS_FAIL) printf("2. already a member or vertex is null!\n");

retval=vtx_remove_neighbour(vlist->vtx[0],vlist->vtx[1]);
vtx_add_neighbour(vlist->vtx[0],vlist->vtx[1]);

vlist->vtx[0]->data->x=1.0;
vlist->vtx[0]->data->x=1.1;