From 62681163a4c47fc6dbd6b2b96f84171b20cba3ed Mon Sep 17 00:00:00 2001
From: Samo Penic <samo.penic@gmail.com>
Date: Sat, 08 Mar 2014 16:43:55 +0000
Subject: [PATCH] continuation s working. now reset counter is needed

---
 src/bondflip.c |   91 +++++++++++++++++++++++++++++++++++++++++++--
 1 files changed, 86 insertions(+), 5 deletions(-)

diff --git a/src/bondflip.c b/src/bondflip.c
index 4935901..23afbc9 100644
--- a/src/bondflip.c
+++ b/src/bondflip.c
@@ -11,6 +11,7 @@
 #include "bondflip.h"
 //#include "io.h"
 #include<stdio.h>
+#include<string.h>
 
 ts_bool single_bondflip_timestep(ts_vesicle *vesicle, ts_bond *bond, ts_double *rn){
 /*c  Vertex and triangle (lm and lp) indexing for bond flip:
@@ -113,7 +114,48 @@
     }
 
 if(lm2==NULL || lp1==NULL) fatal("ts_flip_bond: Cannot find triangles lm2 and lp1!",999);
+
+
+/* backup old structure */
+/* need to backup:
+ * vertices k, kp, km, it
+ * triangles lm, lp, lm2, lp1
+ * bond
+ */
+ts_vertex *bck_vtx[4];
+ts_triangle *bck_tria[4];
+ts_bond *bck_bond;
+ts_vertex *orig_vtx[]={k,it,kp,km};
+ts_triangle *orig_tria[]={lm,lp,lm2,lp1};
+
+//fprintf(stderr,"Backuping!!!\n");
+	bck_bond=(ts_bond *)malloc(sizeof(ts_bond));
+for(i=0;i<4;i++){
+/*	fprintf(stderr,"vtx neigh[%d]=",i);
+	for(j=0;j<orig_vtx[i]->neigh_no;j++) fprintf(stderr," %d", orig_vtx[i]->neigh[j]->idx);
+	fprintf(stderr,"\n");
+*/
+	bck_vtx[i]=(ts_vertex *)malloc(sizeof(ts_vertex));
+	bck_tria[i]=(ts_triangle *)malloc(sizeof(ts_triangle));
+	memcpy((void *)bck_vtx[i],(void *)orig_vtx[i],sizeof(ts_vertex));
+	memcpy((void *)bck_tria[i],(void *)orig_tria[i],sizeof(ts_triangle));
+	/* level 2 pointers */
+
+	bck_vtx[i]->neigh=(ts_vertex **)malloc(orig_vtx[i]->neigh_no*sizeof(ts_vertex *));
+	bck_vtx[i]->tristar=(ts_triangle **)malloc(orig_vtx[i]->tristar_no*sizeof(ts_triangle *));
+	bck_vtx[i]->bond=(ts_bond **)malloc(orig_vtx[i]->bond_no*sizeof(ts_bond *));
+	bck_tria[i]->neigh=(ts_triangle **)malloc(orig_tria[i]->neigh_no*sizeof(ts_triangle *));
+
+	memcpy((void *)bck_vtx[i]->neigh,(void *)orig_vtx[i]->neigh,orig_vtx[i]->neigh_no*sizeof(ts_vertex *));
+	memcpy((void *)bck_vtx[i]->tristar,(void *)orig_vtx[i]->tristar,orig_vtx[i]->tristar_no*sizeof(ts_triangle *));
+	memcpy((void *)bck_vtx[i]->bond,(void *)orig_vtx[i]->bond,orig_vtx[i]->bond_no*sizeof(ts_bond *));
 	
+	memcpy((void *)bck_tria[i]->neigh,(void *)orig_tria[i]->neigh,orig_tria[i]->neigh_no*sizeof(ts_triangle *));	
+}
+	memcpy(bck_bond,bond,sizeof(ts_bond));
+//fprintf(stderr,"Backup complete!!!\n");
+/* end backup vertex */
+
 /* Save old energy */
   oldenergy=0;
   oldenergy+=k->xk* k->energy;
@@ -155,15 +197,54 @@
 #endif
         {
             //not accepted, reverting changes
-//            fprintf(stderr,"Failed to move, due to MC\n");
+	    //restore all backups
+//		fprintf(stderr,"Restoring!!!\n");
 
-            ts_flip_bond(kp,km,k,it, bond, lm,lp,lm2,lp1);
-//    fprintf(stderr,"%e, %e, %e\n", lp->xnorm, lp->ynorm, lp->znorm);
-            return TS_FAIL;
+		for(i=0;i<4;i++){
+//			fprintf(stderr,"Restoring vtx neigh[%d] with neighbours %d\n",i, orig_vtx[i]->neigh_no );
+			free(orig_vtx[i]->neigh);
+			free(orig_vtx[i]->tristar);
+			free(orig_vtx[i]->bond);
+			free(orig_tria[i]->neigh);
+			memcpy((void *)orig_vtx[i],(void *)bck_vtx[i],sizeof(ts_vertex));
+			memcpy((void *)orig_tria[i],(void *)bck_tria[i],sizeof(ts_triangle));
+//			fprintf(stderr,"Restored vtx neigh[%d] with neighbours %d\n",i, orig_vtx[i]->neigh_no );
+			/* level 2 pointers are redirected*/
+		}
+		memcpy(bond,bck_bond,sizeof(ts_bond));
+
+		for(i=0;i<4;i++){
+			free(bck_vtx[i]);
+			free(bck_tria[i]);
+/*			fprintf(stderr,"Restoring vtx neigh[%d] with neighbours %d =",i, orig_vtx[i]->neigh_no );
+			for(j=0;j<orig_vtx[i]->neigh_no;j++) fprintf(stderr," %d", orig_vtx[i]->neigh[j]->idx);
+			fprintf(stderr,"\n"); */
+		}
+
+		free(bck_bond);
+//		fprintf(stderr,"Restoration complete!!!\n");
+
+		return TS_FAIL;
         }
     }
      /* IF BONDFLIP ACCEPTED, THEN RETURN SUCCESS! */
-//            fprintf(stderr,"SUCCESS!!!\n");
+  //          fprintf(stderr,"SUCCESS!!!\n");
+
+	// delete all backups
+	for(i=0;i<4;i++){
+	free(bck_vtx[i]->neigh);
+	free(bck_vtx[i]->bond);
+	free(bck_vtx[i]->tristar);
+	free(bck_vtx[i]);
+ 	free(bck_tria[i]->neigh);
+        free(bck_tria[i]);
+/*	fprintf(stderr,"Afret backup deletion vtx neigh[%d]=",i);
+	for(j=0;j<orig_vtx[i]->neigh_no;j++) fprintf(stderr," %d", orig_vtx[i]->neigh[j]->idx);
+	fprintf(stderr,"\n");
+*/	
+	}
+	free(bck_bond);
+
     return TS_SUCCESS;
 }
 

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