Trisurf Monte Carlo simulator
mihaf
2014-03-07 b866cf902b92a94fb438e40a24dae0a89fa2afec
Changed bondflip. lm, lp found before and only once
4 files modified
246 ■■■■ changed files
src/bondflip.c 238 ●●●● patch | view | raw | blame | history
src/bondflip.h 2 ●●● patch | view | raw | blame | history
src/general.h 1 ●●●● patch | view | raw | blame | history
src/io.c 5 ●●●●● patch | view | raw | blame | history
src/bondflip.c
@@ -28,9 +28,9 @@
    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;
    ts_triangle *lm=NULL,*lp=NULL, *lp1=NULL, *lm2=NULL;
    ts_vertex *kp,*km;
@@ -73,125 +73,7 @@
 //   fprintf(stderr,"Bond will not be too long.. Continue.\n");
/* we make a bond flip. this is different than in original fortran */
// 0. step. Get memory prior the flip
  oldenergy=0;
  oldenergy+=k->xk* k->energy;
  oldenergy+=kp->xk* kp->energy;
  oldenergy+=km->xk* km->energy;
  oldenergy+=it->xk* it->energy;
    //Neigbours don't change its energy.
/*
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=%ld\n",(long)k->neigh[i]);
for(i=0;i<it->neigh_no;i++)
    fprintf(stderr,"it sosed=%ld\n",(long)it->neigh[i]);
for(i=0;i<km->neigh_no;i++)
    fprintf(stderr,"km sosed=%ld\n",(long)km->neigh[i]);
for(i=0;i<kp->neigh_no;i++)
    fprintf(stderr,"kp sosed=%ld\n",(long)kp->neigh[i]);
*/
//    fprintf(stderr,"I WAS HERE! Before bondflip!\n");
    ts_flip_bond(k,it,km,kp, bond);
//    fprintf(stderr,"I WAS HERE! Bondflip successful!\n");
/* Calculating the new energy */
  delta_energy=0;
/*    ts_double dbg_energy=0.0;
  for(i=0;i<k->neigh_no;i++) {
    dbg_energy=k->neigh[i]->energy;
    energy_vertex(k->neigh[i]);
    if(abs(dbg_energy-k->neigh[i]->energy)>1e-100) fatal("Energy changes!",1);
  }
  for(i=0;i<kp->neigh_no;i++) {
    dbg_energy=kp->neigh[i]->energy;
    energy_vertex(kp->neigh[i]);
    if(abs(dbg_energy-kp->neigh[i]->energy)>1e-100) fatal("Energy changes!",1);
  }
  for(i=0;i<km->neigh_no;i++){
    dbg_energy=km->neigh[i]->energy;
     energy_vertex(km->neigh[i]);
    if(abs(dbg_energy-km->neigh[i]->energy)>1e-100) fatal("Energy changes!",1);
  }
  for(i=0;i<it->neigh_no;i++){
    dbg_energy=it->neigh[i]->energy;
     energy_vertex(it->neigh[i]);
    if(abs(dbg_energy-it->neigh[i]->energy)>1e-100) fatal("Energy changes!",1);
  }
*/
  delta_energy+=k->xk* k->energy;
  delta_energy+=kp->xk* kp->energy;
  delta_energy+=km->xk* km->energy;
  delta_energy+=it->xk* it->energy;
    //Neigbours don't change its energy.
  delta_energy-=oldenergy;
 // fprintf(stderr,"I WAS HERE! Got energy!\n");
/* MONTE CARLO */
    if(delta_energy>=0){
#ifdef TS_DOUBLE_DOUBLE
        if(exp(-delta_energy)< drand48() )
#endif
#ifdef TS_DOUBLE_FLOAT
        if(expf(-delta_energy)< (ts_float)drand48())
#endif
#ifdef TS_DOUBLE_LONGDOUBLE
        if(expl(-delta_energy)< (ts_ldouble)drand48())
#endif
        {
            //not accepted, reverting changes
       //     fprintf(stderr,"Failed to move, due to MC\n");
//            ts_flip_bond(km,kp,it,k, bond);
            ts_flip_bond(kp,km,k,it, bond);
/*
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);
for(i=0;i<k->neigh_no;i++)
    fprintf(stderr,"k sosed=%d\n",k->neigh[i]);
for(i=0;i<it->neigh_no;i++)
    fprintf(stderr,"it sosed=%d\n",it->neigh[i]);
for(i=0;i<km->neigh_no;i++)
    fprintf(stderr,"km sosed=%d\n",km->neigh[i]);
for(i=0;i<kp->neigh_no;i++)
    fprintf(stderr,"kp sosed=%d\n",kp->neigh[i]);
*/
        //    fprintf(stderr,"Reverted condition!\n");
            return TS_FAIL;
        }
    }
        //    fprintf(stderr,"Success\n");
/* IF BONDFLIP ACCEPTED, THEN RETURN SUCCESS! */
    return TS_SUCCESS;
}
ts_bool ts_flip_bond(ts_vertex *k,ts_vertex *it,ts_vertex *km, ts_vertex *kp,
ts_bond *bond){
    ts_triangle *lm=NULL,*lp=NULL, *lp1=NULL, *lm2=NULL;
    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);
}
// find lm, lp
// 1. step. We find lm and lp from k->tristar !
    for(i=0;i<it->tristar_no;i++){
        for(j=0;j<k->tristar_no;j++){
@@ -229,57 +111,65 @@
            } 
        }
    }
/*
// DEBUG TESTING!
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);
for(i=0;i<k->neigh_no;i++)
    fprintf(stderr,"k sosed=%d\n",k->neigh[i]);
for(i=0;i<it->neigh_no;i++)
    fprintf(stderr,"it sosed=%d\n",it->neigh[i]);
// END DEBUG TESTING!
*/
if(lm2==NULL || lp1==NULL) fatal("ts_flip_bond: Cannot find triangles lm2 and lp1!",999);
 //   fprintf(stderr,"I WAS HERE! Before bondflip!\n");
 //   fprintf(stderr,"%e, %e, %e\n", lm->xnorm, lm->ynorm, lm->znorm);
    ts_flip_bond(k,it,km,kp, bond,lm, lp, lm2, lp1);
//    fprintf(stderr,"I WAS HERE! Bondflip successful!\n");
/*
//DEBUG TESTING
fprintf(stderr,"1. step: lm, lm2, lp1 and lp found!\n");
fprintf(stderr,"--- Naslov lm=%ld",(long)lm);
  oldenergy=0;
  oldenergy+=k->xk* k->energy;
  oldenergy+=kp->xk* kp->energy;
  oldenergy+=km->xk* km->energy;
  oldenergy+=it->xk* it->energy;
    //Neigbours don't change its energy.
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=%ld\n",(long)lm->neigh[i]);
for(i=0;i<lp->neigh_no;i++)
    fprintf(stderr,"lp sosed=%ld\n",(long)lp->neigh[i]);
// END DEBUG TESTING
*/
/*
// DEBUG TESTING!
/* Calculating the new energy */
  delta_energy=0;
  delta_energy+=k->xk* k->energy;
  delta_energy+=kp->xk* kp->energy;
  delta_energy+=km->xk* km->energy;
  delta_energy+=it->xk* it->energy;
    //Neigbours don't change its energy.
  delta_energy-=oldenergy;
 // fprintf(stderr,"I WAS HERE! Got energy!\n");
/* MONTE CARLO */
    if(delta_energy>=0){
#ifdef TS_DOUBLE_DOUBLE
        if(exp(-delta_energy)< drand48() )
#endif
#ifdef TS_DOUBLE_FLOAT
        if(expf(-delta_energy)< (ts_float)drand48())
#endif
#ifdef TS_DOUBLE_LONGDOUBLE
        if(expl(-delta_energy)< (ts_ldouble)drand48())
#endif
        {
            //not accepted, reverting changes
//            fprintf(stderr,"Failed to move, due to MC\n");
for(i=0;i<3;i++){
    if(lp1->neigh[i]==lp) fprintf(stderr,"Nasel sem par lp1->lp\n");
    if(lp->neigh[i]==lp1) fprintf(stderr,"Nasel sem par lp->lp1\n");
    if(lm2->neigh[i]==lm) fprintf(stderr,"Nasel sem par lm2->lm\n");
    if(lm->neigh[i]==lm2) fprintf(stderr,"Nasel sem par lm->lm2\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;
        }
    }
     /* IF BONDFLIP ACCEPTED, THEN RETURN SUCCESS! */
//            fprintf(stderr,"SUCCESS!!!\n");
    return TS_SUCCESS;
}
// END DEBUG TESTING!
*/
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_uint i; //lmidx, lpidx;
if(k==NULL || it==NULL || km==NULL || kp==NULL){
    fatal("ts_flip_bond: You called me with invalid pointers to vertices",999);
}
// 2. step. We change the triangle vertices... (actual bond flip)
    for(i=0;i<3;i++) if(lm->vertex[i]== it) lm->vertex[i]= kp;
    for(i=0;i<3;i++) if(lp->vertex[i]== k) lp->vertex[i]= km;
@@ -336,34 +226,10 @@
            vtx_remove_tristar(it,lm);
            vtx_remove_tristar(k,lp);
//fprintf(stderr,"6. step: tristar corrected\n");
/*
//DEBUG TESTING
fprintf(stderr,"--- Naslov lm=%d",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]);
for(i=0;i<lm->neigh_no;i++)
    fprintf(stderr,"lm sosed=%d\n",lm->neigh[i]);
for(i=0;i<lp->neigh_no;i++)
    fprintf(stderr,"lp sosed=%d\n",lp->neigh[i]);
// END DEBUG TESTING
*/
  energy_vertex(k);
  energy_vertex(kp);
  energy_vertex(km);
  energy_vertex(it);
// END modifications to data structure!
    return TS_SUCCESS;
}
src/bondflip.h
@@ -3,5 +3,5 @@
ts_bool single_bondflip_timestep(ts_vesicle *vesicle, ts_bond *bond, ts_double *rn);
ts_bool ts_flip_bond(ts_vertex *k,ts_vertex *it,ts_vertex *km, ts_vertex *kp, ts_bond *bond);
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);
#endif
src/general.h
@@ -261,6 +261,7 @@
    ts_poly_list *poly_list;
    ts_double spring_constant;
    ts_double pressure;
    ts_int pswitch;
} ts_vesicle;
src/io.c
@@ -336,7 +336,7 @@
ts_vesicle *parsetape(ts_uint *mcsweeps, ts_uint *inititer, ts_uint *iterations){
    long int nshell=17,ncxmax=60, ncymax=60, nczmax=60, npoly=10, nmono=20;  // THIS IS DUE TO CONFUSE BUG!
    long int nshell=17,ncxmax=60, ncymax=60, nczmax=60, npoly=10, nmono=20, pswitch=0;  // THIS IS DUE TO CONFUSE BUG!
    char *buf=malloc(255*sizeof(char));
    long int brezveze0=1;
    long int brezveze1=1;
@@ -351,6 +351,7 @@
        CFG_SIMPLE_INT("nmono", &nmono),
        CFG_SIMPLE_FLOAT("dmax", &dmax),
        CFG_SIMPLE_FLOAT("xk0",&xk0),
    CFG_SIMPLE_INT("pswitch",&pswitch),
    CFG_SIMPLE_FLOAT("pressure",&pressure),
    CFG_SIMPLE_FLOAT("k_spring",&kspring),
        CFG_SIMPLE_FLOAT("stepsize",&stepsize),
@@ -399,7 +400,7 @@
    vesicle->clist->ncmax[2]=nczmax;
    vesicle->clist->max_occupancy=8;
    vesicle->pressure=pressure/vesicle->bending_rigidity;    //all energy contributions need to be divided by bending_rigidity!
    vesicle->pswitch=pswitch;
    cfg_free(cfg);
    free(buf);
  //  fprintf(stderr,"NSHELL=%u\n",vesicle->nshell);