From 737e1c8236e7e9b72cf08c5d173e0a307c38600c Mon Sep 17 00:00:00 2001
From: Samo Penic <samo.penic@gmail.com>
Date: Tue, 10 Jul 2012 12:34:47 +0000
Subject: [PATCH] Merge branch 'bondflip'

---
 src/Makefile.am |    2 
 src/bondflip.h  |    2 
 src/main.c      |    7 +-
 src/timestep.c  |    3 
 src/vertex.c    |   68 +++++++++++++++++++++-
 src/bondflip.c  |   70 ++++++++++++-----------
 src/triangle.h  |    2 
 src/triangle.c  |    3 +
 src/vertex.h    |    3 
 9 files changed, 114 insertions(+), 46 deletions(-)

diff --git a/src/Makefile.am b/src/Makefile.am
index 90d92c2..e61ecec 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,6 +1,6 @@
 trisurfdir=../
 trisurf_PROGRAMS = trisurf
-trisurf_SOURCES = general.c vertex.c bond.c triangle.c cell.c vesicle.c initial_distribution.c io.c frame.c energy.c timestep.c vertexmove.c main.c
+trisurf_SOURCES = general.c vertex.c bond.c triangle.c cell.c vesicle.c initial_distribution.c io.c frame.c energy.c timestep.c vertexmove.c bondflip.c main.c
 #trisurf_LDFLAGS = -lm -lconfuse
 shdiscoverdir=../
 shdiscover_PROGRAMS= shdiscover
diff --git a/src/bondflip.c b/src/bondflip.c
index e56cc4e..478027d 100644
--- a/src/bondflip.c
+++ b/src/bondflip.c
@@ -8,6 +8,7 @@
 #include "energy.h"
 #include "timestep.h"
 #include "cell.h"
+#include "bondflip.h"
 //#include "io.h"
 #include<stdio.h>
 
@@ -27,7 +28,7 @@
     ts_vertex *it=bond->vtx1;
     ts_vertex *k=bond->vtx2;
     ts_uint nei,neip,neim;
-    ts_uint i,j;
+    ts_uint i; //j;
     ts_double oldenergy, delta_energy;
  //   ts_triangle *lm=NULL,*lp=NULL, *lp1=NULL, *lp2=NULL, *lm1=NULL, *lm2=NULL;
 
@@ -39,7 +40,7 @@
         fatal("In bondflip, number of neighbours of k or it is less than 3!",999);
     }
 
-
+    nei=0;
     for(i=0;i<it->neigh_no;i++){ // Finds the nn of it, that is k 
         if(it->neigh[i]==k){
             nei=i;
@@ -68,7 +69,7 @@
     }
  //   fprintf(stderr,"Membrane didn't wrap too much.. Continue.\n");
 /* if bond would be too long, return... */
-    if(vertex_distance_sq(km,kp) > vesicle->dmax ) return TS_FAIL;
+    if(vtx_distance_sq(km,kp) > vesicle->dmax ) return TS_FAIL;
  //   fprintf(stderr,"Bond will not be too long.. Continue.\n");
 
 /* we make a bond flip. this is different than in original fortran */
@@ -83,26 +84,26 @@
 //  for(i=0;i<km->neigh_no;i++) oldenergy+=km->neigh[i]->xk*km->neigh[i]->energy;
 //  for(i=0;i<it->neigh_no;i++) oldenergy+=it->neigh[i]->xk*it->neigh[i]->energy;
 /*
-fprintf(stderr,"*** Naslov k=%d\n",k);
-fprintf(stderr,"*** Naslov it=%d\n",it);
-fprintf(stderr,"*** Naslov km=%d\n",km);
-fprintf(stderr,"*** Naslov kp=%d\n",kp);
+fprintf(stderr,"*** Naslov k=%ld\n",(long)k);
+fprintf(stderr,"*** Naslov it=%ld\n",(long)it);
+fprintf(stderr,"*** Naslov km=%ld\n",(long)km);
+fprintf(stderr,"*** Naslov kp=%ld\n",(long)kp);
 
 for(i=0;i<k->neigh_no;i++)
-    fprintf(stderr,"k sosed=%d\n",k->neigh[i]);
+    fprintf(stderr,"k sosed=%ld\n",(long)k->neigh[i]);
 for(i=0;i<it->neigh_no;i++)
-    fprintf(stderr,"it sosed=%d\n",it->neigh[i]);
+    fprintf(stderr,"it sosed=%ld\n",(long)it->neigh[i]);
 
 for(i=0;i<km->neigh_no;i++)
-    fprintf(stderr,"km sosed=%d\n",km->neigh[i]);
+    fprintf(stderr,"km sosed=%ld\n",(long)km->neigh[i]);
 for(i=0;i<kp->neigh_no;i++)
-    fprintf(stderr,"kp sosed=%d\n",kp->neigh[i]);
+    fprintf(stderr,"kp sosed=%ld\n",(long)kp->neigh[i]);
 
 
 */
-  //  fprintf(stderr,"I WAS HERE! Before bondflip!\n");
+//    fprintf(stderr,"I WAS HERE! Before bondflip!\n");
     ts_flip_bond(k,it,km,kp, bond);
-   // fprintf(stderr,"I WAS HERE! Bondflip successful!\n");
+//    fprintf(stderr,"I WAS HERE! Bondflip successful!\n");
 
 /* Calculating the new energy */
   delta_energy=0;
@@ -174,7 +175,7 @@
 ts_bond *bond){
 
     ts_triangle *lm=NULL,*lp=NULL, *lp1=NULL, *lm2=NULL;
-    ts_uint i,j, lmidx, lpidx;
+    ts_uint i,j; //lmidx, lpidx;
 if(k==NULL || it==NULL || km==NULL || kp==NULL){
     fatal("ts_flip_bond: You called me with invalid pointers to vertices",999);
 }
@@ -232,26 +233,24 @@
 */
 if(lm2==NULL || lp1==NULL) fatal("ts_flip_bond: Cannot find triangles lm2 and lp1!",999);
 
-
-//fprintf(stderr,"1. step: lm, lm2, lp1 and lp found!\n");
-
 /*
 //DEBUG TESTING
-fprintf(stderr,"--- Naslov lm=%d",lm);
+fprintf(stderr,"1. step: lm, lm2, lp1 and lp found!\n");
+fprintf(stderr,"--- Naslov lm=%ld",(long)lm);
 
 
-fprintf(stderr,"   vtxs(%d, %d, %d)\n",lm->vertex[0],lm->vertex[1], lm->vertex[2]);
-fprintf(stderr,"--- Naslov lp=%d",lp);
-fprintf(stderr,"   vtxs(%d, %d, %d)\n",lp->vertex[0],lp->vertex[1], lp->vertex[2]);
-fprintf(stderr,"--- Naslov lm2=%d",lm2);
-fprintf(stderr,"   vtxs(%d, %d, %d)\n",lm2->vertex[0],lm2->vertex[1], lm2->vertex[2]);
-fprintf(stderr,"--- Naslov lp1=%d",lp1);
-fprintf(stderr,"   vtxs(%d, %d, %d)\n",lp1->vertex[0],lp1->vertex[1], lp1->vertex[2]);
+fprintf(stderr,"   vtxs(%ld, %ld, %ld)\n",(long)lm->vertex[0],(long)lm->vertex[1], (long)lm->vertex[2]);
+fprintf(stderr,"--- Naslov lp=%ld",(long)lp);
+fprintf(stderr,"   vtxs(%ld, %ld, %ld)\n",(long)lp->vertex[0],(long)lp->vertex[1], (long)lp->vertex[2]);
+fprintf(stderr,"--- Naslov lm2=%ld",(long)lm2);
+fprintf(stderr,"   vtxs(%ld, %ld, %ld)\n",(long)lm2->vertex[0],(long)lm2->vertex[1], (long)lm2->vertex[2]);
+fprintf(stderr,"--- Naslov lp1=%ld",(long)lp1);
+fprintf(stderr,"   vtxs(%ld, %ld, %ld)\n",(long)lp1->vertex[0],(long)lp1->vertex[1], (long)lp1->vertex[2]);
 
 for(i=0;i<lm->neigh_no;i++)
-    fprintf(stderr,"lm sosed=%d\n",lm->neigh[i]);
+    fprintf(stderr,"lm sosed=%ld\n",(long)lm->neigh[i]);
 for(i=0;i<lp->neigh_no;i++)
-    fprintf(stderr,"lp sosed=%d\n",lp->neigh[i]);
+    fprintf(stderr,"lp sosed=%ld\n",(long)lp->neigh[i]);
 // END DEBUG TESTING
 */
 /*
@@ -276,14 +275,17 @@
 //   * normals are recalculated here
     triangle_normal_vector(lp);
     triangle_normal_vector(lm);
+//fprintf(stderr,"2a. step: triangle normals recalculated\n");
 // 3. step. Correct neighbours in vertex_list
 
 
-            vertex_remove_neighbour(k,it);
-            vertex_remove_neighbour(it,k);
+            vtx_remove_neighbour(k,it);
+//            vtx_remove_neighbour(it,k);
+//fprintf(stderr,"3. step (PROGRESS): removed k and it neighbours\n");
+    
             //Tukaj pa nastopi tezava... Kam dodati soseda?
-            vertex_insert_neighbour(km,kp,k);
-            vertex_insert_neighbour(kp,km,it);
+            vtx_insert_neighbour(km,kp,k);
+            vtx_insert_neighbour(kp,km,it);
 //            vertex_add_neighbour(km,kp); //pazi na vrstni red.
 //            vertex_add_neighbour(kp,km);
 //fprintf(stderr,"3. step: vertex neighbours corrected\n");
@@ -300,7 +302,7 @@
 // 5. step. Correct neighbouring triangles 
    
     triangle_remove_neighbour(lp,lp1);
-   // fprintf(stderr,".\n");
+  //  fprintf(stderr,".\n");
     triangle_remove_neighbour(lp1,lp);
   //  fprintf(stderr,".\n");
     triangle_remove_neighbour(lm,lm2);
@@ -318,8 +320,8 @@
 // 6. step. Correct tristar for vertices km, kp, k and it
             vertex_add_tristar(km,lp);  // Preveri vrstni red!
             vertex_add_tristar(kp,lm);
-            vertex_remove_tristar(it,lm);
-            vertex_remove_tristar(k,lp);
+            vtx_remove_tristar(it,lm);
+            vtx_remove_tristar(k,lp);
 //fprintf(stderr,"6. step: tristar corrected\n");
 
 /*
diff --git a/src/bondflip.h b/src/bondflip.h
index 6713c31..8d7ee37 100644
--- a/src/bondflip.h
+++ b/src/bondflip.h
@@ -1,4 +1,4 @@
-#ifdef _H_BONDFLIP
+#ifndef _H_BONDFLIP
 #define _H_BONDFLIP
 
 ts_bool single_bondflip_timestep(ts_vesicle *vesicle, ts_bond *bond, ts_double *rn);
diff --git a/src/main.c b/src/main.c
index f331f12..ca9ed07 100644
--- a/src/main.c
+++ b/src/main.c
@@ -30,11 +30,12 @@
 retval=vtx_add_cneighbour(blist,vlist->vtx[1],vlist->vtx[0]);
 if(retval==TS_FAIL) printf("1. already a member or vertex is null!\n");
 
-retval=vtx_add_cneighbour(blist,vlist->vtx[0],vlist->vtx[1]);
+retval=vtx_add_neighbour(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]);
+fprintf(stderr,"Was here");
+retval=vtx_remove_neighbour(vlist->vtx[1],vlist->vtx[0]);
 vtx_add_neighbour(vlist->vtx[0],vlist->vtx[1]);
+fprintf(stderr,"Was here too!\n");
 
 vlist->vtx[0]->x=1.0;
 vlist->vtx[0]->x=1.1;
diff --git a/src/timestep.c b/src/timestep.c
index 1e1ffff..83e6f9b 100644
--- a/src/timestep.c
+++ b/src/timestep.c
@@ -5,6 +5,7 @@
 #include "general.h"
 #include "timestep.h"
 #include "vertexmove.h"
+#include "bondflip.h"
 
 ts_bool single_timestep(ts_vesicle *vesicle){
     ts_bool retval;
@@ -23,7 +24,7 @@
         rnvec[2]=drand48();
         //find a bond and return a pointer to a bond...
         //call single_bondflip_timestep...
-//        retval=single_bondflip_timestep(vesicle,&vesicle->blist.bond[i],rnvec);
+        retval=single_bondflip_timestep(vesicle,vesicle->blist->bond[i],rnvec);
         
     } 
 	if(retval);
diff --git a/src/triangle.c b/src/triangle.c
index e051316..dc53487 100644
--- a/src/triangle.c
+++ b/src/triangle.c
@@ -147,11 +147,13 @@
         //fatal("In triangle_remove_neighbour: Specified neighbour does not exist for given triangle",3);
     }
     tria->neigh_no--;
+//	fprintf(stderr,"*** tria_number=%d\n",tria->neigh_no);
     tria->neigh=(ts_triangle **)realloc(tria->neigh,tria->neigh_no*sizeof(ts_triangle *));
 	if(tria->neigh == NULL){
 		fatal("Reallocation of memory failed during removal of vertex neighbour in triangle_remove_neighbour",100);
 	}
 /* we repeat the procedure for neighbour */
+	j=0;
     for(i=0;i<ntria->neigh_no;i++){
         if(ntria->neigh[i]!=tria){
             ntria->neigh[j]=ntria->neigh[i];
@@ -163,6 +165,7 @@
         //fatal("In triangle_remove_neighbour: Specified neighbour does not exist for given triangle",3);
     }
     ntria->neigh_no--;
+//	fprintf(stderr,"*** ntria_number=%d\n",ntria->neigh_no);
     ntria->neigh=(ts_triangle **)realloc(ntria->neigh,ntria->neigh_no*sizeof(ts_triangle *));
 	if(ntria->neigh == NULL){
 		fatal("Reallocation of memory failed during removal of vertex neighbour in triangle_remove_neighbour",100);
diff --git a/src/triangle.h b/src/triangle.h
index a3d8184..a1a0fd0 100644
--- a/src/triangle.h
+++ b/src/triangle.h
@@ -6,5 +6,5 @@
 ts_bool triangle_add_neighbour(ts_triangle *tria, ts_triangle *ntria);
 ts_bool triangle_normal_vector(ts_triangle *tria);
 ts_bool triangle_list_free(ts_triangle_list *tlist);
-
+ts_bool triangle_remove_neighbour(ts_triangle *tria, ts_triangle *ntria);
 #endif
diff --git a/src/vertex.c b/src/vertex.c
index 21ad48e..38647aa 100644
--- a/src/vertex.c
+++ b/src/vertex.c
@@ -74,20 +74,23 @@
 /* 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("Reallocation of memory failed during removal of vertex neighbour in vtx_remove_neighbour",100);
-
+        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];
@@ -95,10 +98,12 @@
         }
     }
 /* 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 *));
+    		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("Reallocation of memory failed during removal of vertex neighbour in vtx_remove_neighbour",100);
+        fatal("(2) Reallocation of memory failed during removal of vertex neighbour in vtx_remove_neighbour",100);
 
     return TS_SUCCESS;
 }
@@ -110,11 +115,14 @@
     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;
 }
@@ -122,6 +130,7 @@
 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); 
     return retval;
@@ -207,6 +216,57 @@
 }
 
 
+/* 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.  ***** */
 /* ****************************************************************** */
diff --git a/src/vertex.h b/src/vertex.h
index 98efff5..97775d2 100644
--- a/src/vertex.h
+++ b/src/vertex.h
@@ -24,7 +24,8 @@
 ts_bool vtx_set_global_values(ts_vesicle *vesicle);
 inline ts_double vtx_direct(ts_vertex *vtx1, ts_vertex *vtx2, ts_vertex *vtx3);
 inline ts_bool vertex_add_tristar(ts_vertex *vtx, ts_triangle *tristarmem);
-
+inline ts_bool vtx_insert_neighbour(ts_vertex *vtx, ts_vertex *nvtx, ts_vertex *vtxm);
+inline ts_bool vtx_remove_tristar(ts_vertex *vtx, ts_triangle *tristar);
 ts_bool vtx_copy(ts_vertex *cvtx,ts_vertex *ovtx);
 ts_bool vtx_duplicate(ts_vertex *cvtx, ts_vertex *ovtx);
 ts_vertex **vtx_neigh_copy(ts_vertex_list *vlist,ts_vertex *ovtx);

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