From 5c64e2bc9d28240b5308882af2e6cf7505d444b6 Mon Sep 17 00:00:00 2001
From: Samo Penic <samo.penic@gmail.com>
Date: Tue, 07 Jun 2016 19:14:09 +0000
Subject: [PATCH] Fixed energy calculations

---
 src/timestep.c |   28 ++++++++++++++++++----------
 1 files changed, 18 insertions(+), 10 deletions(-)

diff --git a/src/timestep.c b/src/timestep.c
index df74c43..6328b0f 100644
--- a/src/timestep.c
+++ b/src/timestep.c
@@ -60,13 +60,21 @@
 /* RANDOM SEED SET BY CURRENT TIME */
 	epochtime=get_epoch();			
 	srand48(epochtime);
-
+/*Nir Gov: randomly add spontaneous curvature for some vertices */
+	for(i=0;i<20;i++){
+		int b=rand() % vesicle->vlist->n;
+		vesicle->vlist->vtx[b]->c=-0.5;
+	}
 	centermass(vesicle);
 	cell_occupation(vesicle);
 	vesicle_volume(vesicle); //needed for constant volume at this moment
     vesicle_area(vesicle); //needed for constant area at this moment
-	V0=vesicle->volume; 
-    A0=vesicle->area;
+	if(V0<0.000001) 
+		V0=vesicle->volume; 
+	ts_fprintf(stdout,"Setting volume V0=%.17f\n",V0);
+	if(A0<0.000001)
+		A0=vesicle->area;
+		ts_fprintf(stdout,"Setting area A0=%.17f\n",A0);
 	epsvol=4.0*sqrt(2.0*M_PI)/pow(3.0,3.0/4.0)*V0/pow(vesicle->tlist->n,3.0/2.0);
     epsarea=A0/(ts_double)vesicle->tlist->n;
   //  fprintf(stderr, "DVol=%1.16f (%1.16f), V0=%1.16f\n", epsvol,0.003e-2*V0,V0);
@@ -88,14 +96,7 @@
 		bfsr/=(ts_double)mcsweeps;
 		centermass(vesicle);
 		cell_occupation(vesicle);
-		ts_fprintf(stdout,"Done %d out of %d iterations (x %d MC sweeps).\n",i+1,inititer+iterations,mcsweeps);
             dump_state(vesicle,i);
-		fd3=fopen(".status","w");
-		if(fd3==NULL){
-			fatal("Cannot open .status file for writing",1);
-		}
-		fprintf(fd3,"%d",i);
-		fclose(fd3);
 		if(i>=inititer){
 			write_vertex_xml_file(vesicle,i-inititer);
 			write_master_xml_file(command_line_args.output_fullfilename);
@@ -146,7 +147,14 @@
 		    fflush(fd);	
 		//	sprintf(filename,"timestep-%05d.pov",i-inititer);
 		//	write_pov_file(vesicle,filename);
+		} //end if(inititer....)
+		fd3=fopen(".status","w"); //write status file when everything is written to disk.
+		if(fd3==NULL){
+			fatal("Cannot open .status file for writing",1);
 		}
+		fprintf(fd3,"%d",i);
+		fclose(fd3);
+		ts_fprintf(stdout,"Done %d out of %d iterations (x %d MC sweeps).\n",i+1,inititer+iterations,mcsweeps);
 	}
 	fclose(fd);
 	if(fd2!=NULL) fclose(fd2);

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