This file is indexed.

/usr/share/octave/packages/secs2d-0.0.8/ThDDGOX/ThDDGOXeletiteration.m is in octave-secs2d 0.0.8-5.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
function [odata,nrm]=ThDDGOXeletiteration(imesh,Dsides,...
					  Simesh,Sinodes,Sielements,SiDsides,...
					  idata,toll,maxit,ptoll,pmaxit,verbose)
  
  ## function [odata,nrm]=ThDDGOXeletiteration(imesh,Dsides,...
  ## 					       Simesh,Sinodes,Sielements,SiDsides,areaSi,SiPatch,...
  ## 					       idata,toll,maxit,ptoll,pmaxit,verbose)
  
  
  global DDGOXNLPOISSON_LAP DDGOXNLPOISSON_MASS DDGOXNLPOISSON_RHS DDG_RHS DDG_MASS
  
  %%%%%%%%%%%%%%%
  %% RRE param %%
  RREnnit      = [1,2];
  RRErank      = 7;  
  RREpattern   = URREcyclingpattern(RREnnit,RRErank,maxit);
  %%%%%%%%%%%%%%%

  odata   = idata;
  V(:,1)  = idata.V;
  Fn(:,1) = idata.Fn;
  Fp(:,1) = idata.Fp;
  n(:,1)  = idata.n;
  p(:,1)  = idata.p;
  Tl      = idata.Tl;
  Tn      = idata.Tn;
  Tp      = idata.Tp;
  
  %% Set list of nodes with Dirichlet BCs
  Dnodes   = Unodesonside(imesh,Dsides);
  SiDnodes = Unodesonside(Simesh,SiDsides);

  SiNelements  = columns(Simesh.t);
  D            = idata.D;
  
  nrm          = 1;

  for ielet=1:maxit

    if (verbose>=1)
      fprintf(1,"*** start of inner iteration number: %d\n",ielet);
    end
    
    if (verbose>=1)
      fprintf(1,"\t*** solving non linear poisson equation\n");
    end
    
    

    Fnshift =  log(idata.ni) .* (1-Tn);
    Fpshift = -log(idata.ni) .* (1-Tp);
    
    [V(:,2),n(:,2),p(:,2)] = ThDDGOXnlpoisson (imesh,Dsides,Sinodes,SiDnodes,Sielements,...
					       V(:,1),Tn,Tp,...
					       n(:,1),p(:,1),Fn(:,1)+Fnshift,Fp(:,1)+Fpshift,D,...
					       idata.l2,idata.l2ox,ptoll,pmaxit,verbose-1);
    
    V(Dnodes,2) = idata.V(Dnodes);
    
    if (verbose>=1)
      fprintf (1,"\t***\tupdating electron qfl\n");
    end
    
    odata.V = V(:,2);
    odata.n = n(:,2);
    odata.p = p(:,2);
    mobn0 = idata.mobn0(imesh,Simesh,Sinodes,Sielements,odata);
    mobp0 = idata.mobp0(imesh,Simesh,Sinodes,Sielements,odata);
    mobn1 = idata.mobn1(imesh,Simesh,Sinodes,Sielements,odata);
    mobp1 = idata.mobp1(imesh,Simesh,Sinodes,Sielements,odata);

    n(:,3) = ThDDGOXelectron_driftdiffusion(Simesh,SiDnodes,n(:,2),p(:,2),...
					    V(Sinodes,2),Tn,mobn0,mobn1,...
					    idata.tn,idata.tp,idata.ni,idata.ni);
    
    Fn(:,2)=V(Sinodes,2) - Tn .* log(n(:,3)) - Fnshift;
    n(SiDnodes,3) = idata.n(SiDnodes);
    Fn(SiDnodes,2) = idata.Fn(SiDnodes);
    
    if (verbose>=1)
      fprintf(1,"\t***\tupdating hole qfl\n");
    end
    
    p(:,3) = ThDDGOXhole_driftdiffusion(Simesh,SiDnodes,n(:,3),p(:,2),...
					V(Sinodes,2),Tp,mobp0,mobp1,...
					idata.tn,idata.tp,idata.ni,idata.ni);
    
    Fp(:,2)= V(Sinodes,2) + Tp .* log(p(:,3)) - Fpshift;
    p(SiDnodes,3)  = idata.p(SiDnodes);
    Fp(SiDnodes,2) = idata.Fp(SiDnodes);
    
    ## store result for RRE
    if RREpattern(ielet)>0
      Fermistore(:,RREpattern(ielet)) = [Fn(:,2);Fp(:,2)];
      if RREpattern(ielet+1)==0 % Apply RRE extrapolation
	if (verbose>=1)		
	  fprintf(1,"\n\t**********\n\tRRE EXTRAPOLATION STEP\n\t**********\n\n");
	end
	Fermi = Urrextrapolation(Fermistore);
	Fn(:,2) = Fermi(1:rows(Fn));
	Fp(:,2) = Fermi(rows(Fn)+1:end);
    end
  end
  
  if (verbose>=1)
    fprintf(1,"*** checking for convergence: ");
  end
  
  nrfn= norm (Fn(:,2)-Fn(:,1),inf);
  nrfp= norm (Fp(:,2)-Fp(:,1),inf);
  nrv = norm (V(:,2)-V(:,1),inf);
  nrm(ielet) = max([nrfn;nrfp;nrv]);
  
  if (verbose>=1)
    subplot(1,3,3);
    semilogy(nrm)
    %%title("max(|dV|,|dFn|,|dFp|)");
    pause(.1)
  end
  
  if (verbose>=1)
    fprintf (1," max(|dFn|,|dFp|,|dV| )= %g\n\n",...
	     nrm(ielet));
  end
  if (nrm(ielet)<toll)
    break
  end
  
  V(:,1) = V(:,2);
  n(:,1) = n(:,3);
  p(:,1) = p(:,3);
  Fn(:,1)= Fn(:,2);
  Fp(:,1)= Fp(:,2);
  
end

if (verbose>0)
  fprintf(1,"\n*** DD simulation over: # of electrical Gummel iterations = %d\n\n",ielet);
end

odata = idata;

odata.n    = n(:,end);
odata.p    = p(:,end);
odata.V    = V(:,end);
odata.Fn   = Fn(:,end);
odata.Fp   = Fp(:,end);