Merge branch 'stretching-devel' into plane-new

Samo Penic

2019-02-08 4019ca8157136a68b6e43b31f166dc93acd81b4d

 src/bondflip.c

@@ -1,3 +1,4 @@
/* vim: set ts=4 sts=4 sw=4 noet : */
#include<stdlib.h>
#include<math.h>
#include "general.h"
@@ -31,7 +32,7 @@
    ts_vertex *k=bond->vtx2;
    ts_uint nei,neip,neim;
    ts_uint i,j;
    ts_double oldenergy, delta_energy, dvol=0.0;
    ts_double oldenergy, delta_energy, dvol=0.0, darea=0.0;
    ts_triangle *lm=NULL,*lp=NULL, *lp1=NULL, *lm2=NULL;

    ts_vertex *kp,*km;
@@ -167,16 +168,16 @@
  oldenergy+=kp->xk* kp->energy;
  oldenergy+=km->xk* km->energy;
  oldenergy+=it->xk* it->energy;
  oldenergy+=bond->energy; /* attraction with neighboring vertices, that have spontaneous curvature */
  //Neigbours of k, it, km, kp don't change its energy.

   if(vesicle->pswitch == 1 || vesicle->tape->constvolswitch==1){dvol = -lm->volume - lp->volume;}
      
   if(vesicle->pswitch == 1 || vesicle->tape->constvolswitch>0){dvol = -lm->volume - lp->volume;}
    if(vesicle->tape->constareaswitch==2){darea=-lm->area-lp->area;} 
/*    vesicle_volume(vesicle);
    fprintf(stderr,"Volume in the beginning=%1.16e\n", vesicle->volume);
*/

/* fix data structure for flipped bond */
    ts_flip_bond(k,it,km,kp, bond,lm, lp, lm2, lp1);
    ts_flip_bond(k,it,km,kp, bond,lm, lp, lm2, lp1, vesicle->tape->w);


/* Calculating the new energy */
@@ -185,14 +186,84 @@
  delta_energy+=kp->xk* kp->energy;
  delta_energy+=km->xk* km->energy;
  delta_energy+=it->xk* it->energy;
  delta_energy+=bond->energy; /* attraction with neighboring vertices, that have spontaneous curvature */
  //Neigbours of k, it, km, kp don't change its energy.
   if(vesicle->tape->stretchswitch==1){
      oldenergy+=lm->energy+lp->energy;
      stretchenergy(vesicle,lm);
      stretchenergy(vesicle,lp);
      delta_energy+=lm->energy+lp->energy;
   }

    delta_energy-=oldenergy;
   if(vesicle->pswitch == 1 || vesicle->tape->constvolswitch==1){
   if(vesicle->pswitch == 1 || vesicle->tape->constvolswitch>0){
      dvol = dvol + lm->volume + lp->volume;
      if(vesicle->pswitch==1) delta_energy-= vesicle->pressure*dvol;
   }
    if(vesicle->tape->constareaswitch==2){
        darea=darea+lm->area+lp->area; 
/*check whether the dvol is gt than epsvol */
      if(fabs(vesicle->area+darea-A0)>epsarea){
         //restore old state.
         /* restoration procedure copied from few lines below */
             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);
             return TS_FAIL;

      }
    }




   if(vesicle->tape->constvolswitch == 2){
      /*check whether the dvol is gt than epsvol */
      if(fabs(vesicle->volume+dvol-V0)>epsvol){
         //restore old state.
         /* restoration procedure copied from few lines below */
             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);
             return TS_FAIL;

      }

   } else
    if(vesicle->tape->constvolswitch == 1){
        retval=constvolume(vesicle, it, -dvol, &delta_energy_cv, &constvol_vtx_moved,&constvol_vtx_backup);
        if(retval==TS_FAIL){
@@ -268,6 +339,10 @@
//      fprintf(stderr,"Restoration complete!!!\n");
//    vesicle_volume(vesicle);
//    fprintf(stderr,"Volume after fail=%1.16e\n", vesicle->volume);
   if(vesicle->tape->stretchswitch==1){
      stretchenergy(vesicle,lm);
      stretchenergy(vesicle,lp);
   }

      return TS_FAIL;
        }
@@ -275,8 +350,13 @@
     /* IF BONDFLIP ACCEPTED, THEN RETURN SUCCESS! */
//            fprintf(stderr,"SUCCESS!!!\n");

    if(vesicle->tape->constvolswitch == 1){
    if(vesicle->tape->constvolswitch == 2){
       vesicle->volume+=dvol;
    } else if(vesicle->tape->constvolswitch == 1){
        constvolumeaccept(vesicle,constvol_vtx_moved,constvol_vtx_backup);
    }
    if(vesicle->tape->constareaswitch==2){
        vesicle->area+=darea;
    }
   // delete all backups
   for(i=0;i<4;i++){
@@ -300,7 +380,7 @@


ts_bool ts_flip_bond(ts_vertex *k,ts_vertex *it,ts_vertex *km, ts_vertex *kp,
ts_bond *bond, ts_triangle *lm, ts_triangle *lp, ts_triangle *lm2, ts_triangle *lp1){
ts_bond *bond, ts_triangle *lm, ts_triangle *lp, ts_triangle *lm2, ts_triangle *lp1, ts_double w_energy){

    ts_uint i; //lmidx, lpidx;
if(k==NULL || it==NULL || km==NULL || kp==NULL){
@@ -366,6 +446,7 @@
  energy_vertex(kp);
  energy_vertex(km);
  energy_vertex(it);
  attraction_bond_energy(bond, w_energy);
// END modifications to data structure!
    return TS_SUCCESS;
}