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/data/refman/pasoursint/CMSSW_5_2_7_hltpatch1/src/PhysicsTools/MVATrainer/plugins/mlp_gen.h File Reference

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Classes

struct  divers_
struct  learn_
struct  net_
struct  pat_
struct  stat_

Defines

#define DIVERS   divers_
#define LEARN   learn_
#define NET   net_
#define PAT   pat_
#define STAT   stat_

Typedefs

typedef double dbl
typedef double type_pat

Functions

int AllocNetwork (int Nlayer, int *Neurons) MLP_HIDDEN
int AllocPatterns (int ifile, int npat, int nin, int nout, int iadd) MLP_HIDDEN
void AllocWeights () MLP_HIDDEN
void BFGSdir (int Nweights) MLP_HIDDEN
void CGDir (dbl beta) MLP_HIDDEN
int CountLexemes (char *string) MLP_HIDDEN
int DecreaseSearch (dbl *alpmin, int *Ntest, dbl Err0) MLP_HIDDEN
dbl DeDwNorm () MLP_HIDDEN
dbl DeDwProd () MLP_HIDDEN
void DeDwSave () MLP_HIDDEN
void DeDwSaveZero () MLP_HIDDEN
void DeDwScale (int Nexamples) MLP_HIDDEN
int DeDwSum (type_pat *ans, dbl *out, int ipat) MLP_HIDDEN
void DeDwZero () MLP_HIDDEN
dbl DerivDir () MLP_HIDDEN
void EtaDecay () MLP_HIDDEN
int FixedStep (dbl alpha) MLP_HIDDEN
void FreeNetwork () MLP_HIDDEN
int FreePatterns (int ifile) MLP_HIDDEN
void FreeWeights () MLP_HIDDEN
int GetBFGSH (int Nweights) MLP_HIDDEN
void GetGammaDelta () MLP_HIDDEN
void getLexemes (char *s, char **ss) MLP_HIDDEN
int GetNetStructure (char *s, int *Nlayer, int *Nneur) MLP_HIDDEN
void getnLexemes (int n, char *s, char **ss) MLP_HIDDEN
void InitBFGSH (int Nweights) MLP_HIDDEN
void InitWeights () MLP_HIDDEN
int LearnAlloc () MLP_HIDDEN
void LearnFree () MLP_HIDDEN
int LineSearch (dbl *alpmin, int *Ntest, dbl Err0) MLP_HIDDEN
int LineSearchHyb (dbl *alpmin, int *Ntest) MLP_HIDDEN
int LoadWeights (char *filename, int *iepoch) MLP_HIDDEN
dbl MLP_Epoch (int iepoch, dbl *alpmin, int *ntest) MLP_HIDDEN
void MLP_Line (dbl ***w0, dbl alpha) MLP_HIDDEN
void MLP_LineHyb (dbl ***w0, dbl alpha) MLP_HIDDEN
void MLP_MatrixVector (dbl *M, type_pat *v, dbl *r, int n, int m) MLP_HIDDEN
void MLP_MatrixVectorBias (dbl *M, dbl *v, dbl *r, int n, int m) MLP_HIDDEN
void MLP_MM2rows (dbl *c, type_pat *a, dbl *b, int Ni, int Nj, int Nk, int NaOffs, int NbOffs) MLP_HIDDEN
void MLP_Out (type_pat *rrin, dbl *rrout) MLP_HIDDEN
void MLP_Out2 (type_pat *rrin) MLP_HIDDEN
void MLP_Out_T (type_pat *rrin) MLP_HIDDEN
int MLP_PrCFun (char *filename) MLP_HIDDEN
int MLP_PrFFun (char *filename) MLP_HIDDEN
int MLP_PrintInputStat () MLP_HIDDEN
double MLP_Rand (dbl min, dbl max) MLP_HIDDEN
void MLP_ResLin () MLP_HIDDEN
int MLP_SetNet (int *nl, int *nn) MLP_HIDDEN
int MLP_StatInputs (int Nexamples, int Ninputs, type_pat **inputs, dbl *mean, dbl *sigma, dbl *minimum, dbl *maximum) MLP_HIDDEN
dbl MLP_Stochastic () MLP_HIDDEN
dbl MLP_Test (int ifile, int regul) MLP_HIDDEN
int MLP_Train (int *ipat, dbl *err) MLP_HIDDEN
int NormalizeInputs () MLP_HIDDEN
void PrintWeights () MLP_HIDDEN
int ReadPatterns (char *filename, int ifile, int *inet, int *ilearn, int *iexamples) MLP_HIDDEN
int SaveWeights (char *filename, int iepoch) MLP_HIDDEN
void SetDefaultFuncs () MLP_HIDDEN
void SetLambda (double Wmax) MLP_HIDDEN
int SetTransFunc (int layer, int neuron, int func) MLP_HIDDEN
int ShuffleExamples (int n, int *index) MLP_HIDDEN
void SteepestDir () MLP_HIDDEN
int StochStep () MLP_HIDDEN
int StochStepHyb () MLP_HIDDEN

Variables

struct net_ MLP_HIDDEN

Define Documentation

#define DIVERS   divers_

Definition at line 54 of file mlp_gen.h.

Referenced by MLP_PrCFun(), MLP_PrFFun(), and ReadPatterns().

#define LEARN   learn_
#define NET   net_
#define PAT   pat_
#define STAT   stat_

Definition at line 60 of file mlp_gen.h.

Referenced by MLP_PrCFun(), MLP_PrFFun(), and NormalizeInputs().


Typedef Documentation

typedef double dbl

Definition at line 12 of file mlp_gen.h.

typedef double type_pat

Definition at line 13 of file mlp_gen.h.


Function Documentation

int AllocNetwork ( int  Nlayer,
int *  Neurons 
)

Definition at line 3445 of file mlp_gen.cc.

References FreeNetwork(), i, j, gen::k, prof2calltree::l, LEARN, and NET.

Referenced by MLP_SetNet().

{
        int i, j, k, l;
        
        if(NetMemory != 0) FreeNetwork();
        NetMemory = 1;
        
        NET.Nneur = (int *) malloc(Nlayer*sizeof(int));
        if(NET.Nneur == 0) return -111;
        
        NET.T_func = (int **) malloc(Nlayer*sizeof(int *));
        NET.Deriv1 = (dbl **) malloc(Nlayer*sizeof(dbl *));
        NET.Inn = (dbl **) malloc(Nlayer*sizeof(dbl *));
        NET.Outn = (dbl **) malloc(Nlayer*sizeof(dbl *));
        NET.Delta = (dbl **) malloc(Nlayer*sizeof(dbl *));
        if(NET.T_func == 0 || NET.Deriv1 == 0
                || NET.Inn == 0 || NET.Outn == 0
                || NET.Delta == 0) return -111;
        
        for(i=0; i<Nlayer; i++)
                {
                NET.T_func[i] = (int *) malloc(Neurons[i]*sizeof(int));
                NET.Deriv1[i] = (dbl *) malloc(Neurons[i]*sizeof(dbl));
                NET.Inn[i] = (dbl *) malloc(Neurons[i]*sizeof(dbl));
                NET.Outn[i] = (dbl *) malloc(Neurons[i]*sizeof(dbl));
                NET.Delta[i] = (dbl *) malloc(Neurons[i]*sizeof(dbl));
                if(NET.T_func[i] == 0 || NET.Deriv1[i] == 0 
                        || NET.Inn[i] == 0 || NET.Outn[i] == 0
                        || NET.Delta[i] ==0 ) return -111;
                }
                
        NET.Weights = (dbl ***) malloc(Nlayer*sizeof(dbl **));
        NET.vWeights = (dbl **) malloc(Nlayer*sizeof(dbl *));
        LEARN.Odw = (dbl ***) malloc(Nlayer*sizeof(dbl **));
        LEARN.ODeDw = (dbl ***) malloc(Nlayer*sizeof(dbl **));
        LEARN.DeDw = (dbl ***) malloc(Nlayer*sizeof(dbl **));
        if(NET.Weights == 0 || NET.vWeights == 0 
          || LEARN.Odw == 0 || LEARN.ODeDw == 0
          || LEARN.DeDw == 0)  return -111;
          
        for(i=1; i<Nlayer; i++)
                {
                k = Neurons[i-1]+1;
                NET.vWeights[i] = (dbl *) malloc(k * Neurons[i] *
                                                sizeof(dbl));
                NET.Weights[i] = (dbl **) malloc(Neurons[i]*sizeof(dbl *));
                LEARN.Odw[i] = (dbl **) malloc(Neurons[i]*sizeof(dbl *));
                LEARN.ODeDw[i] = (dbl **) malloc(Neurons[i]*sizeof(dbl *));
                LEARN.DeDw[i] = (dbl **) malloc(Neurons[i]*sizeof(dbl *));
                if(NET.Weights[i] == 0 || NET.vWeights[i] == 0 
                  || LEARN.Odw[i] == 0 || LEARN.ODeDw[i] == 0
                  || LEARN.DeDw[i] == 0)  return -111;
                  
                for(j=0; j<Neurons[i]; j++)
                        {
                        NET.Weights[i][j] = &(NET.vWeights[i][j*k]);
                        LEARN.Odw[i][j] = (dbl *) malloc(k*sizeof(dbl));
                        LEARN.ODeDw[i][j] = (dbl *) malloc(k*sizeof(dbl));
                        LEARN.DeDw[i][j] = (dbl *) malloc(k*sizeof(dbl));
                        if(LEARN.Odw[i][j] == 0 
                          || LEARN.ODeDw[i][j] == 0
                          || LEARN.DeDw[i][j] == 0)  return -111;
                        
                        for(l=0; l<k; l++)
                                {
                                LEARN.Odw[i][j][l] = 0;
                                LEARN.ODeDw[i][j][l] = 0;
                                }
                        }
                }
        return 0;       
}
int AllocPatterns ( int  ifile,
int  npat,
int  nin,
int  nout,
int  iadd 
)

Definition at line 3075 of file mlp_gen.cc.

References FreePatterns(), compare_using_db::ifile, j, PAT, and tmp.

Referenced by ReadPatterns().

{
        int j;
        type_pat *tmp, *tmp3;
        type_pat **tmp2;
        int ntot;
        
        if(ifile>1 || ifile<0) return(1);
/*      scanf("%d",&j); */
        if(ExamplesMemory==0) 
                {
                ExamplesMemory=1;
                PAT.Pond = (type_pat **) malloc(2*sizeof(dbl*));
                PAT.Rin = (type_pat***) malloc(2*sizeof(type_pat**));
                PAT.Rans = (type_pat***) malloc(2*sizeof(type_pat**));
                PAT.vRin = (type_pat**) malloc(2*sizeof(type_pat*));
                if(PAT.Pond == 0 || PAT.Rin == 0
                   || PAT.Rans == 0 || PAT.vRin == 0) return -111; 
                } 
        

/* if iadd=0, check that memory not already allocated. Otherwise free it */
        if(iadd==0 && PatMemory[ifile]!=0)
                {
                 FreePatterns(ifile);
                }

/* allocate memory and initialize ponderations */
        if(iadd==0 || PatMemory[ifile]==0)
        {
        PatMemory[ifile] = 1;           
        PAT.Pond[ifile] = (type_pat*) malloc(npat*sizeof(type_pat));
        if(PAT.Pond[ifile] == 0) return -111;
        for(j=0; j<npat; j++)
                PAT.Pond[ifile][j] = 1;
                        
        PAT.Rin[ifile] = (type_pat**) malloc(npat*sizeof(type_pat*));
        if(PAT.Rin[ifile] == 0) return -111;
        PAT.Rans[ifile] = (type_pat**) malloc(npat*sizeof(type_pat*));
        if(PAT.Rans[ifile] == 0) return -111;

        PAT.vRin[ifile] = (type_pat *) malloc(npat*(nin+1)*
                                                sizeof(type_pat));
        if(PAT.vRin[ifile] == 0) return -111;
                                                
        for(j=0; j<npat; j++)
                {
                PAT.Rin[ifile][j] = &(PAT.vRin[ifile][j*(nin+1)+1]);
                PAT.vRin[ifile][j*(nin+1)] = 1;
                }
        for(j=0; j<npat; j++)
                {
                PAT.Rans[ifile][j] = (type_pat*) malloc(nout*sizeof(type_pat));
                if(PAT.Rans[ifile][j] == 0) return -111;
                }
        PAT.Npat[ifile] = npat;
        
        if(ifile==0)
                {       
                ExamplesIndex = (int *) malloc(npat*sizeof(int));
                if(ExamplesIndex == 0) return -111;
                for(j=0; j<npat; j++) ExamplesIndex[j] = j;
                }
        }
        else            /* add examples */
        {
        ntot = PAT.Npat[ifile]+npat;
        
/* event weighting */   
        tmp = (type_pat *) malloc(ntot*sizeof(type_pat));
        if(tmp == 0) return -111;
        
        for(j=0; j<PAT.Npat[ifile]; j++) 
                {
                tmp[j] = PAT.Pond[ifile][j];
                }
        for(j=PAT.Npat[ifile];j<ntot;j++)
                {
                tmp[j] = 1;
                }
        if(PatMemory[ifile]==1) free(PAT.Pond[ifile]);
        PAT.Pond[ifile] = tmp;  
        
/* examples */
/*      tmp2 = (type_pat **) malloc(ntot*sizeof(type_pat*));            
        for(j=0; j<PAT.Npat[ifile]; j++) 
                {
                tmp2[j] = PAT.Rin[ifile][j];
                }
        for(j=PAT.Npat[ifile];j<ntot;j++)
                {
                tmp2[j] = (type_pat*) malloc(nin*sizeof(type_pat));
                }
        if(PatMemory[ifile]==1) free(PAT.Rin[ifile]);
        PAT.Rin[ifile] = tmp2;  */
        
        tmp3 = (type_pat *) malloc(ntot*(nin+1)*sizeof(type_pat));
        if(tmp3 == 0) return -111;
        
        for(j=0; j<PAT.Npat[ifile]*(nin+1); j++)
                {
                tmp3[j] = PAT.vRin[ifile][j];
                }
        if(PatMemory[ifile]==1) free(PAT.vRin[ifile]);
        PAT.vRin[ifile] = tmp3;
        for(j=0; j<ntot; j++)
                {
                PAT.Rin[ifile][j] = &(PAT.vRin[ifile][j*(nin+1)+1]);
                PAT.vRin[ifile][j*(nin+1)] = 1;
                }
                
        tmp2 = (type_pat **) malloc(ntot*sizeof(type_pat*));
        if(tmp2 == 0) return -111;              
        for(j=0; j<PAT.Npat[ifile]; j++) 
                {
                tmp2[j] = PAT.Rans[ifile][j];
                }
        for(j=PAT.Npat[ifile];j<ntot;j++)
                {
                tmp2[j] = (type_pat*) malloc(nout*sizeof(type_pat));
                if(tmp2[j] == 0) return -111;
                }
        if(PatMemory[ifile]==1) free(PAT.Rans[ifile]);
        PAT.Rans[ifile] = tmp2; 
        PAT.Npat[ifile] = ntot;
        PatMemory[ifile] = 1;           
        
/* indices */   
        if(ifile==0)
                {
                free(ExamplesIndex);    
                ExamplesIndex = (int *) malloc(ntot*sizeof(int));
                if(ExamplesIndex == 0) return -111;
                for(j=0; j<ntot; j++) ExamplesIndex[j] = j;
                }
        }
                
        return 0;
} 
void AllocWeights ( )
void BFGSdir ( int  Nweights)

Definition at line 1343 of file mlp_gen.cc.

References g, i, recoMuon::in, j, LEARN, NET, and alignCSCRings::s.

Referenced by MLP_Epoch().

{
        dbl *g, *s;
        int kk=0;
        int il,i,j,in,jn;
        
        g = (dbl*) malloc(NET.Nweights*sizeof(dbl));
        s = (dbl*) malloc(Nweights*sizeof(dbl));
        
        for(il=1; kk<Nweights; il++)
                for(in=0; in<NET.Nneur[il]; in++)
                        for(jn=0; jn<=NET.Nneur[il-1]; jn++)
                                {
                                g[kk] = LEARN.DeDw[il][in][jn];
                                kk++;
                                }
        for(i=0; i<Nweights; i++)
                {
                s[i] = 0;
                for(j=0; j<Nweights; j++)
                        {
                        s[i] += BFGSH[i][j] * g[j];
                        }
                }
        
        kk = 0;
        for(il=1; kk<Nweights; il++)
                for(in=0; in<NET.Nneur[il]; in++)
                        for(jn=0; jn<=NET.Nneur[il-1]; jn++)
                                {
                                dir[il][in][jn] = -s[kk];
                                kk++;
                                }
        free(g);
        free(s);
}
void CGDir ( dbl  beta)

Definition at line 1269 of file mlp_gen.cc.

References recoMuon::in, LEARN, and NET.

Referenced by MLP_Epoch().

{
        int il,in,jn;
        for(il=1; il<NET.Nlayer; il++)
                for(in=0; in<NET.Nneur[il]; in++)
                        for(jn=0; jn<=NET.Nneur[il-1]; jn++)
                                {
                                dir[il][in][jn] = -LEARN.DeDw[il][in][jn]+
                                        beta*dir[il][in][jn];
                                }
}
int CountLexemes ( char *  string)

Definition at line 2583 of file mlp_gen.cc.

References i, NULL, and tmp.

Referenced by getLexemes(), and ReadPatterns().

{
  char tmp[1024];
  int i=0;
  
  strcpy(tmp,s);
  if (strtok(tmp," "))
    {
      i=1;
      while (strtok(NULL," ")) i++;
    }
  return i;
}
int DecreaseSearch ( dbl alpmin,
int *  Ntest,
dbl  Err0 
)

Definition at line 1614 of file mlp_gen.cc.

References recoMuon::in, LEARN, MLP_Line(), MLP_Test(), NET, and metsig::tau.

{
        dbl ***w0;
        dbl alpha2;
        dbl err1, err2;
        dbl tau;
        int icount, il, in, jn;
        
        tau=LEARN.Tau;

/* store weights before line search */  

        *Ntest = 0;
        w0 = (dbl ***) malloc(NET.Nlayer*sizeof(dbl**));
        for(il=1; il<NET.Nlayer; il++)
                {
                w0[il] = (dbl **) malloc(NET.Nneur[il]*sizeof(dbl*));
                for(in=0; in<NET.Nneur[il]; in++)
                        {
                        w0[il][in] = (dbl *) malloc((NET.Nneur[il-1]+1)*
                                sizeof(dbl));
                        for(jn=0; jn<=NET.Nneur[il-1]; jn++)
                                {
                                w0[il][in][jn] = NET.Weights[il][in][jn];
                                }
                        }
                }
        
/* compute error(w0) */

/*      err1 = MLP_Test(0,0); 
        (*Ntest) ++;*/
        err1 = Err0;
        
        if(NET.Debug>=4) printf("err depart= %f\n",err1);   
        
        *alpmin = 0;
        alpha2 = 0.05;
        MLP_Line(w0,alpha2);
        err2 = MLP_Test(0,0);
        (*Ntest) ++;
        
        if(err2<err1) 
                {
                *alpmin = alpha2;
                }
        else
                {       
        
   
                for(icount=1;icount<=100;icount++)
                        {
                        alpha2 = alpha2/tau;
                        MLP_Line(w0,alpha2);
                        err2 = MLP_Test(0,0);
                        (*Ntest) ++;
                        if(err1>err2) break;
                        }
                if(icount>=100)                 /* line search fails */
                        {
                        MLP_Line(w0,0);         /* reset weights */
                        free(w0);
                        return(1);
                        }
                *alpmin = alpha2;       
                }

/* set the weights */
        MLP_Line(w0,*alpmin);
        
/* store weight changes */
        for(il=1; il<NET.Nlayer; il++)
                for(in=0; in<NET.Nneur[il]; in++)
                        for(jn=0; jn<=NET.Nneur[il-1]; jn++)
                                LEARN.Odw[il][in][jn] = NET.Weights[il][in][jn]
                                - w0[il][in][jn];

        for(il=1; il<NET.Nlayer; il++)
                for(in=0; in<NET.Nneur[il]; in++)
                        free(w0[il][in]);                       
        for(il=1; il<NET.Nlayer; il++)
                free(w0[il]);   
        free(w0);
        
        return(0);
}
dbl DeDwNorm ( )

Definition at line 1001 of file mlp_gen.cc.

References createTree::dd, recoMuon::in, LEARN, and NET.

Referenced by MLP_Epoch().

{
        int il,in,jn;
        dbl dd=0;
        for(il=1; il<NET.Nlayer; il++)
                for(in=0; in<NET.Nneur[il]; in++)
                        for(jn=0; jn<=NET.Nneur[il-1]; jn++)
                                dd += LEARN.DeDw[il][in][jn]*
                                        LEARN.DeDw[il][in][jn];
        return(dd);
}
dbl DeDwProd ( )

Definition at line 1023 of file mlp_gen.cc.

References createTree::dd, recoMuon::in, LEARN, and NET.

Referenced by MLP_Epoch().

{
        int il,in,jn;
        dbl dd=0;
        for(il=1; il<NET.Nlayer; il++)
                for(in=0; in<NET.Nneur[il]; in++)
                        for(jn=0; jn<=NET.Nneur[il-1]; jn++)
                                dd += LEARN.DeDw[il][in][jn]*
                                        LEARN.ODeDw[il][in][jn];
        return(dd);
}
void DeDwSave ( )

Definition at line 1081 of file mlp_gen.cc.

References recoMuon::in, LEARN, and NET.

{
        int il, in, jn;
        for(il=1; il<NET.Nlayer; il++)
                for(in=0; in<NET.Nneur[il]; in++)
                        for(jn=0; jn<=NET.Nneur[il-1]; jn++)
                                LEARN.ODeDw[il][in][jn] = LEARN.DeDw[il][in][jn];
}       
void DeDwSaveZero ( )

Definition at line 1100 of file mlp_gen.cc.

References recoMuon::in, LEARN, and NET.

Referenced by MLP_Epoch().

{
        int il, in, jn;
        for(il=1; il<NET.Nlayer; il++)
                for(in=0; in<NET.Nneur[il]; in++)
                        for(jn=0; jn<=NET.Nneur[il-1]; jn++)
                                {
                                LEARN.ODeDw[il][in][jn] = LEARN.DeDw[il][in][jn];
                                LEARN.DeDw[il][in][jn] = 0;
                                }
}       
void DeDwScale ( int  Nexamples)

Definition at line 1063 of file mlp_gen.cc.

References recoMuon::in, LEARN, and NET.

Referenced by MLP_Epoch().

{
        int il, in, jn;
        for(il=1; il<NET.Nlayer; il++)
                for(in=0; in<NET.Nneur[il]; in++)
                        for(jn=0; jn<=NET.Nneur[il-1]; jn++)
                                LEARN.DeDw[il][in][jn] /= (dbl) Nexamples;
}       
int DeDwSum ( type_pat ans,
dbl out,
int  ipat 
)

Definition at line 1126 of file mlp_gen.cc.

References a, b, recoMuon::in, LEARN, NET, and PAT.

Referenced by MLP_Train().

{
        int il, in1, in, ii;
/*      dbl err[NMAX][4]; */
        dbl deriv;
        dbl *pout, *pdedw, *pdelta;
        register dbl a, b;
/*      char buf[50];*/

/* output layer */ 
        b =  (dbl) PAT.Pond[0][ipat];  
        for(in=0; in<NET.Nneur[NET.Nlayer-1]; in++) 
        {                  
                deriv = NET.Deriv1[NET.Nlayer-1][in];
                NET.Delta[NET.Nlayer-1][in] = 
                        (out[in] - (dbl) ans[in])*deriv*b;
        }
        
    for(il=NET.Nlayer-2; il>0; il--) 
        {

        for(in=0; in<NET.Nneur[il]; in++) 
        {                          
                deriv = NET.Deriv1[il][in];
                a = NET.Delta[il+1][0] * NET.Weights[il+1][0][in+1];
                pdelta = &(NET.Delta[il+1][1]);
                for(in1=1; in1<NET.Nneur[il+1]; in1++, pdelta++) 
                {
                        a += *pdelta * NET.Weights[il+1][in1][in+1];
                }
                NET.Delta[il][in] = a * deriv; 
        }
        }
                
        for(il=1; il<NET.Nlayer; il++) 
                {
                ii = NET.Nneur[il-1];
                for(in=0; in<NET.Nneur[il]; in++) 
                        {
                        a = NET.Delta[il][in];  
                        LEARN.DeDw[il][in][0] += a;
                        LEARN.DeDw[il][in][1] += a * NET.Outn[il-1][0];
                        pout = &(NET.Outn[il-1][1]);
                        pdedw = &(LEARN.DeDw[il][in][2]);
                        for(in1=1; in1<ii; ++in1, ++pout, ++pdedw) 
                                {
                                (*pdedw) += a * (*pout);
                                }
                        }
                }               

    return(0); 
}
void DeDwZero ( )

Definition at line 1044 of file mlp_gen.cc.

References recoMuon::in, LEARN, and NET.

{
        int il, in, jn;
        for(il=1; il<NET.Nlayer; il++)
                for(in=0; in<NET.Nneur[il]; in++)
                        for(jn=0; jn<=NET.Nneur[il-1]; jn++)
                                LEARN.DeDw[il][in][jn] = 0;
}
dbl DerivDir ( )

Definition at line 1291 of file mlp_gen.cc.

References recoMuon::in, LEARN, and NET.

Referenced by MLP_Epoch().

{
        int il,in,jn;
        dbl ddir = 0;
        
        for(il=1; il<NET.Nlayer; il++)
                for(in=0; in<NET.Nneur[il]; in++)
                        for(jn=0; jn<=NET.Nneur[il-1]; jn++)
                                {
                                ddir += LEARN.DeDw[il][in][jn]*dir[il][in][jn];
                                }
        return(ddir);                   
}
void EtaDecay ( )

Definition at line 2084 of file mlp_gen.cc.

References LEARN.

Referenced by MLP_Stochastic().

{
        LEARN.eta *= LEARN.Decay;
}
int FixedStep ( dbl  alpha)

Definition at line 1702 of file mlp_gen.cc.

References recoMuon::in, LEARN, MLP_Line(), and NET.

{
        dbl ***w0;
        int il, in, jn;
        
        w0 = (dbl ***) malloc(NET.Nlayer*sizeof(dbl**));
        for(il=1; il<NET.Nlayer; il++)
                {
                w0[il] = (dbl **) malloc(NET.Nneur[il]*sizeof(dbl*));
                for(in=0; in<NET.Nneur[il]; in++)
                        {
                        w0[il][in] = (dbl *) malloc((NET.Nneur[il-1]+1)*
                                sizeof(dbl));
                        for(jn=0; jn<=NET.Nneur[il-1]; jn++)
                                {
                                w0[il][in][jn] = NET.Weights[il][in][jn];
                                }
                        }
                }
        

/* set the weights */
        MLP_Line(w0,alpha);
        
/* store weight changes */
        for(il=1; il<NET.Nlayer; il++)
                for(in=0; in<NET.Nneur[il]; in++)
                        for(jn=0; jn<=NET.Nneur[il-1]; jn++)
                                LEARN.Odw[il][in][jn] = NET.Weights[il][in][jn]
                                - w0[il][in][jn];

        for(il=1; il<NET.Nlayer; il++)
                for(in=0; in<NET.Nneur[il]; in++)
                        free(w0[il][in]);                       
        for(il=1; il<NET.Nlayer; il++)
                free(w0[il]);   
        free(w0);
        
        return(0);
}
void FreeNetwork ( )

Definition at line 3527 of file mlp_gen.cc.

References i, j, LEARN, and NET.

Referenced by AllocNetwork().

{
        int i, j;
        for(i=1; i<NET.Nlayer; i++)
                {
                for(j=0; j<NET.Nneur[i]; j++)
                        {
/*                      free(NET.Weights[i][j]); */
                        free(LEARN.Odw[i][j]);
                        free(LEARN.ODeDw[i][j]);
                        free(LEARN.DeDw[i][j]);
                        }
                free(NET.vWeights[i]);
                free(NET.Weights[i]);
                free(LEARN.Odw[i]);
                free(LEARN.ODeDw[i]);
                free(LEARN.DeDw[i]);
                }
        free(NET.Weights);
        free(LEARN.Odw);
        free(LEARN.ODeDw);
        free(LEARN.DeDw);       
        
        free(NET.Nneur);
        
        for(i=0; i<NET.Nlayer; i++)
                {
                free(NET.T_func[i]);
                free(NET.Deriv1[i]);
                free(NET.Inn[i]);
                free(NET.Outn[i]);
                free(NET.Delta[i]);
                }
        free(NET.T_func);
        free(NET.Deriv1);
        free(NET.Inn);
        free(NET.Outn);
        free(NET.Delta);
        
        NetMemory = 0;  
}
int FreePatterns ( int  ifile)

Definition at line 3230 of file mlp_gen.cc.

References i, compare_using_db::ifile, and PAT.

Referenced by AllocPatterns().

{
        int i;

        if(ifile>1 || ifile<0) return 1;
/*      printf("%d %d \n",ifile,PatMemory[ifile]);*/
        if(PatMemory[ifile]==0) return 2;
        
        free(PAT.Pond[ifile]);
        for(i=0; i<PAT.Npat[ifile]; i++)
                {
/*              free(PAT.Rin[ifile][i]); */
                free(PAT.Rans[ifile][i]); 
                }
        free(PAT.Rin[ifile]);
        free(PAT.Rans[ifile]);
        free(PAT.vRin[ifile]);
        PatMemory[ifile] = 0;
        PAT.Npat[ifile] = 0;
        
        return 0;
}               
void FreeWeights ( )
int GetBFGSH ( int  Nweights)

Definition at line 1421 of file mlp_gen.cc.

References a, b, i, j, and tmp.

Referenced by MLP_Epoch().

{
        typedef double dble;
        dble deltaTgamma=0;
        dble factor=0; 
        dble *Hgamma;
        dble *tmp;
        register dble a, b;
        int i,j;
        
        Hgamma = (dble *) malloc(Nweights*sizeof(dble));
        tmp = (dble *) malloc(Nweights*sizeof(dble));
        
        for(i=0; i<Nweights; i++)
                {
                deltaTgamma += (dble) delta[i] * (dble) Gamma[i];
                a = 0;
                b = 0;
                for(j=0; j<Nweights; j++)
                        {
                        a += (dble) BFGSH[i][j] * (dble) Gamma[j];
                        b += (dble) Gamma[j] * (dble) BFGSH[j][i];
                        }
                Hgamma[i] = a;
                tmp[i] = b;     
                factor += (dble) Gamma[i]*Hgamma[i];
                }
        if(deltaTgamma == 0) return 1;
        a = 1 / deltaTgamma;    
        factor = 1 + factor*a;
        
        for(i=0; i<Nweights; i++)
                {
                b = (dble) delta[i];
                for(j=0; j<Nweights; j++)
                        BFGSH[i][j] += (dbl) (factor*b* (dble) 
                        delta[j]-(tmp[j]*b+Hgamma[i]*(dble)delta[j]))*a;        
                }       
        free(Hgamma);
        free(tmp);
        return 0;
}
void GetGammaDelta ( )

Definition at line 1316 of file mlp_gen.cc.

References i, recoMuon::in, LEARN, and NET.

Referenced by MLP_Epoch().

{
        int i=0;
        int il,in,jn;
        for(il=1; il<NET.Nlayer; il++)
                for(in=0; in<NET.Nneur[il]; in++)
                        for(jn=0; jn<=NET.Nneur[il-1]; jn++)
                                {
                                Gamma[i] = LEARN.DeDw[il][in][jn]-
                                        LEARN.ODeDw[il][in][jn];
                                delta[i] = LEARN.Odw[il][in][jn];
                                i++;
                                }
}
void getLexemes ( char *  s,
char **  ss 
)

Definition at line 2613 of file mlp_gen.cc.

References CountLexemes(), i, n, NULL, and tmp.

{
  char tmp[1024];
  int i,n;   
    
  strcpy(tmp,s);
  n=CountLexemes(tmp);
  if (n>0)
    {
      strcpy(ss[0],strtok(tmp," "));
      for (i=1;i<n;i++)
        strcpy(ss[i],strtok(NULL," "));
    }
}
int GetNetStructure ( char *  s,
int *  Nlayer,
int *  Nneur 
)

Definition at line 3588 of file mlp_gen.cc.

References i, NLMAX, NULL, and tmp.

Referenced by ReadPatterns().

{
        int i=0;
        char tmp[1024];

        if(strlen(s)==0) return -1;
        if(strlen(s)>1024) return -2;

        strcpy(tmp,s);
        if (strtok(tmp,","))
                {
                i=1;
                while (strtok(NULL,",")) i++;
                }
        *Nlayer = i;
        if(i > NLMAX) return -3;

        strcpy(tmp,s);
        if (*Nlayer>0)
                {
                sscanf(strtok(tmp,","),"%d",&(Nneur[0]));
                for (i=1;i<*Nlayer;i++)
                        sscanf(strtok(NULL,","),"%d",&(Nneur[i]));
                }

        return 0;
}
void getnLexemes ( int  n,
char *  s,
char **  ss 
)

Definition at line 2599 of file mlp_gen.cc.

References i, n, NULL, and tmp.

Referenced by ReadPatterns().

{
  char tmp[1024];
  int i;     
  strcpy(tmp,s);
  if (n>0)
    {
      strcpy(ss[0],strtok(tmp," "));
      for (i=1;i<n;i++)
        strcpy(ss[i],strtok(NULL," "));
    }
}
void InitBFGSH ( int  Nweights)

Definition at line 1391 of file mlp_gen.cc.

References i, and j.

Referenced by MLP_Epoch().

{
        int i,j;
        for(i=0; i<Nweights; i++)
                for(j=0; j<Nweights; j++)
                        {
                        BFGSH[i][j] = 0;
                        if(i==j) BFGSH[i][j] = 1;
                        }
}
void InitWeights ( )

Definition at line 2145 of file mlp_gen.cc.

References i, MLP_Rand(), and NET.

Referenced by PhysicsTools::MLP::MLP().

{
        int ilayer,ineur,i;
        
        for(ilayer=1;ilayer<NET.Nlayer;ilayer++)
                for(ineur=0;ineur<NET.Nneur[ilayer];ineur++)
                        for(i=0;i<=NET.Nneur[ilayer-1];i++)
                                NET.Weights[ilayer][ineur][i]=
                                        (dbl) MLP_Rand(-0.5, 0.5);
}
int LearnAlloc ( )

Definition at line 2683 of file mlp_gen.cc.

References i, recoMuon::in, LEARN, LearnFree(), and NET.

Referenced by PhysicsTools::MLP::MLP().

{
        int il,in,i; 
        int Nweights = 0;
        
        if(LearnMemory != 0) LearnFree();
        LearnMemory = 1;
        dir = (dbl ***) malloc(NET.Nlayer*sizeof(dbl**));
        if(dir == 0) return -111;
        
        for(il=0; il<NET.Nlayer; il++)
                {
                dir[il] = (dbl **) malloc(NET.Nneur[il]*sizeof(dbl*));
                if(dir[il] == 0) return -111;
                for(in=0; in<NET.Nneur[il]; in++)
                        {
                        if(il==0) 
                                {
/* TODO: understand implications of hard-coded 101 */                           
                                dir[0][in] = (dbl *)
                                malloc(101*sizeof(dbl));
                                if(dir[0][in] == 0) return -111;
                                }
                        else
                                {
                                dir[il][in] = (dbl *) 
                                malloc((NET.Nneur[il-1]+1)*sizeof(dbl));
                                if(dir[il][in] == 0) return -111;
                                Nweights += NET.Nneur[il-1]+1;
                                }
                        }
                }
        NET.Nweights = Nweights;
                
        if(BFGSMemory==0 && LEARN.Meth>= 6) 
                {
                BFGSMemory = 1;
                Gamma = (dbl*) malloc(Nweights*sizeof(dbl));
                delta = (dbl*) malloc(Nweights*sizeof(dbl));
                BFGSH = (dbl**) malloc(Nweights*sizeof(dbl*));
                if(Gamma == 0 || delta == 0 || BFGSH == 0)
                   return -111;
                   
                for(i=0; i<Nweights; i++)
                        {
                        BFGSH[i] = (dbl*) malloc(Nweights*sizeof(dbl));
                        if(BFGSH[i] == 0) return -111;
                        }
                }
                
/*      if(JacobianMemory==0)
                {
                JacobianMemory = 1;
                printf("JacobianMemory = %d\n",JacobianMemory);
                JacobianMatrix = (dbl **) malloc(PAT.Npat[0]*sizeof(dbl *));
                for(i=0; i<PAT.Npat[0]; i++)
                        JacobianMatrix[i] = 
                                (dbl*) malloc(Nweights*sizeof(dbl));
                printf("end memory alloc\n");
                }       
        
        if(DIVERS.Ihess==1) HessianAlloc(Nweights);*/
        
        return 0;
}
void LearnFree ( )

Definition at line 2638 of file mlp_gen.cc.

References recoMuon::in, and NET.

Referenced by LearnAlloc().

{
        int il,in; 
        if(LearnMemory==0) return;
        LearnMemory = 0;
        for(il=0; il<NET.Nlayer; il++)
                {
                for(in=0; in<NET.Nneur[il]; in++)
                        {
                        free(dir[il][in]);
                        }
                free(dir[il]);
                }
        free(dir);
        if(BFGSMemory==0) return;
        BFGSMemory = 0;
        for(il=0; il<NET.Nweights; il++)
                {
                free(BFGSH[il]);
                }               
        free(BFGSH);
        free(Gamma);
        free(delta);
        
/*      if(JacobianMemory == 0) return;
        JacobianMemory = 0;
        for(il=0; il<PAT.Npat[0]; il++) free(JacobianMatrix[il]);
        free(JacobianMatrix);   */
}
int LineSearch ( dbl alpmin,
int *  Ntest,
dbl  Err0 
)

Definition at line 1476 of file mlp_gen.cc.

References recoMuon::in, LastAlpha, LEARN, MLP_Line(), MLP_Test(), NET, and metsig::tau.

Referenced by MLP_Epoch().

{
        dbl ***w0;
        dbl alpha1, alpha2, alpha3;
        dbl err1, err2, err3;
        dbl tau;
        int icount, il, in, jn;
        
        tau=LEARN.Tau;

/* store weights before line search */  

        *Ntest = 0;
        w0 = (dbl ***) malloc(NET.Nlayer*sizeof(dbl**));
        for(il=1; il<NET.Nlayer; il++)
                {
                w0[il] = (dbl **) malloc(NET.Nneur[il]*sizeof(dbl*));
                for(in=0; in<NET.Nneur[il]; in++)
                        {
                        w0[il][in] = (dbl *) malloc((NET.Nneur[il-1]+1)*
                                sizeof(dbl));
                        for(jn=0; jn<=NET.Nneur[il-1]; jn++)
                                {
                                w0[il][in][jn] = NET.Weights[il][in][jn];
                                }
                        }
                }
        
/* compute error(w0) */

/*      err1 = MLP_Test(0,0); 
        (*Ntest) ++;*/
        err1 = Err0;
        
        if(NET.Debug>=4) printf("err depart= %f\n",err1);   
        
        *alpmin = 0;
        alpha1 = 0;
/*      alpha2 = 0.05;
        if(LastAlpha != 0) alpha2 = LastAlpha;*/
        alpha2 = LastAlpha;
        if(alpha2 < 0.01) alpha2 = 0.01;
        if(alpha2 > 2.0) alpha2 = 2.0;
        MLP_Line(w0,alpha2);
        err2 = MLP_Test(0,0);
        (*Ntest) ++;
        if(NET.Debug>=4) printf("alpha, err= %e %e\n",alpha2,err2);   
        
        alpha3 = alpha2;
        err3 = err2;
        
/* try to find a triplet (alpha1, alpha2, alpha3) such that 
   Error(alpha1)>Error(alpha2)<Error(alpha3)                 */
   
        if(err1>err2) 
                {
                for(icount=1;icount<=100;icount++)
                        {
                        alpha3 = alpha3*tau;
                        MLP_Line(w0,alpha3);
                        err3 =MLP_Test(0,0);
        if(NET.Debug>=4) printf("alpha, err= %e %e\n",alpha3,err3);   
                        (*Ntest) ++;
                        if(err3>err2) break;
                        alpha1 = alpha2;
                        err1 = err2;
                        alpha2 = alpha3;
                        err2 = err3;
                        }
                if(icount>=100)                 /* line search fails */
                        {
                        MLP_Line(w0,0);         /* reset weights */
                        free(w0);
                        return(1);
                        }
                }
        else
                {
                for(icount=1;icount<=100;icount++)
                        {
                        alpha2 = alpha2/tau;
                        MLP_Line(w0,alpha2);
                        err2 = MLP_Test(0,0);
        if(NET.Debug>=4) printf("alpha, err= %e %e\n",alpha2,err2);   
                        (*Ntest) ++;
                        if(err1>err2) break;
                        alpha3 = alpha2;
                        err3 = err2;
                        }
                if(icount>=100)                 /* line search fails */
                        {
                        MLP_Line(w0,0);         /* reset weights */
                        free(w0);
                        LastAlpha = 0.05;       /* try to be safe */
                        return(1);
                        }
                }

/* find bottom of parabola */
        
        *alpmin = 0.5*(alpha1+alpha3-(err3-err1)/((err3-err2)/(alpha3-alpha2)
                -(err2-err1)/(alpha2-alpha1)));
        if(*alpmin>10000) *alpmin=10000;

/* set the weights */
        MLP_Line(w0,*alpmin);
        LastAlpha = *alpmin;
        
/* store weight changes */
        for(il=1; il<NET.Nlayer; il++)
                for(in=0; in<NET.Nneur[il]; in++)
                        for(jn=0; jn<=NET.Nneur[il-1]; jn++)
                                LEARN.Odw[il][in][jn] = NET.Weights[il][in][jn]
                                - w0[il][in][jn];

        for(il=1; il<NET.Nlayer; il++)
                for(in=0; in<NET.Nneur[il]; in++)
                        free(w0[il][in]);                       
        for(il=1; il<NET.Nlayer; il++)
                free(w0[il]);   
        free(w0);
        
        return(0);
}
int LineSearchHyb ( dbl alpmin,
int *  Ntest 
)

Definition at line 1779 of file mlp_gen.cc.

References recoMuon::in, LastAlpha, LEARN, MLP_LineHyb(), MLP_Test(), NET, and metsig::tau.

Referenced by MLP_Epoch().

{
        dbl ***w0;
        dbl alpha1, alpha2, alpha3;
        dbl err1, err2, err3;
        dbl tau;
        int icount, il, in, jn;

/*      char buf [50];
  sprintf (buf,"entree linesearchhyb\n");
  MessageBoxA (0,buf,"dans FreePatterns",MB_OK);*/
        
        if(NET.Debug>=4){
                printf(" entry LineSearchHyb \n");
                }
        tau=LEARN.Tau;

/* store weights before line search */  

        *Ntest = 0;
        w0 = (dbl ***) malloc((NET.Nlayer-1)*sizeof(dbl**));
        for(il=1; il<NET.Nlayer-1; il++)
                {
                w0[il] = (dbl **) malloc(NET.Nneur[il]*sizeof(dbl*));
                for(in=0; in<NET.Nneur[il]; in++)
                        {
                        w0[il][in] = (dbl *) malloc((NET.Nneur[il-1]+1)*
                                sizeof(dbl));
                        for(jn=0; jn<=NET.Nneur[il-1]; jn++)
                                {
                                w0[il][in][jn] = NET.Weights[il][in][jn];
                                }
                        }
                }
        
/* compute error(w0) */
        err1 = MLP_Test(0,1);
        (*Ntest) ++; 
        if(NET.Debug>=4) printf("LinesearchHyb err depart= %f\n",err1);   
        
        *alpmin = 0;
        alpha1 = 0;
/*      alpha2 = 0.05;
        if(LastAlpha != 0) alpha2 = LastAlpha;*/
        alpha2 = LastAlpha;
        if(alpha2 < 0.01) alpha2 = 0.01;
        if(alpha2 > 2.0) alpha2 = 2.0;
        MLP_LineHyb(w0,alpha2);
        err2 = MLP_Test(0,1);
        (*Ntest) ++; 
        
        alpha3 = alpha2;
        err3 = err2;
        
/* try to find a triplet (alpha1, alpha2, alpha3) such that 
   Error(alpha1)>Error(alpha2)<Error(alpha3)                 */
   
        if(err1>err2) 
                {
                for(icount=1;icount<=100;icount++)
                        {
                        alpha3 = alpha3*tau;
                        MLP_LineHyb(w0,alpha3);
                        err3 = MLP_Test(0,1);
                        (*Ntest) ++; 
                        if(err3>err2) break;
                        alpha1 = alpha2;
                        err1 = err2;
                        alpha2 = alpha3;
                        err2 = err3;
                        }
                if(icount>=100)                 /* line search fails */
                        {
                        MLP_LineHyb(w0,0);      /* reset weights */
                        free(w0);
                        return(1);
                        }
                }
        else
                {
                for(icount=1;icount<=100;icount++)
                        {
                        alpha2 = alpha2/tau;
                        MLP_LineHyb(w0,alpha2);
                        err2 = MLP_Test(0,1);
                        (*Ntest) ++; 
                        if(err1>err2) break;
                        alpha3 = alpha2;
                        err3 = err2;
                        }
                if(icount>=100)                 /* line search fails */
                        {
                        MLP_LineHyb(w0,0);      /* reset weights */
                        free(w0);
                        return(1);
                        }
                }

/* find bottom of parabola */
        
        *alpmin = 0.5*(alpha1+alpha3-(err3-err1)/((err3-err2)/(alpha3-alpha2)
                -(err2-err1)/(alpha2-alpha1)));
        if(*alpmin>10000) *alpmin=10000;

/* set the weights */
        MLP_LineHyb(w0,*alpmin);
        LastAlpha = *alpmin;
        
/* store weight changes */
        for(il=1; il<NET.Nlayer-1; il++)
                for(in=0; in<NET.Nneur[il]; in++)
                        for(jn=0; jn<=NET.Nneur[il-1]; jn++)
                                LEARN.Odw[il][in][jn] = NET.Weights[il][in][jn]
                                - w0[il][in][jn];

        for(il=1; il<NET.Nlayer-1; il++)
                for(in=0; in<NET.Nneur[il]; in++)
                        free(w0[il][in]);                       
        for(il=1; il<NET.Nlayer-1; il++)
                free(w0[il]);   
        free(w0);
        if(NET.Debug>=4){
                printf(" exit LineSearchHyb \n");
                }

        return(0);
}
int LoadWeights ( char *  filename,
int *  iepoch 
)

Definition at line 3020 of file mlp_gen.cc.

References i, NET, AlCaHLTBitMon_ParallelJobs::p, and alignCSCRings::s.

{
        FILE *W;
        int ilayer,ineur,i;
        double p;
        char s[80];

        W=fopen(filename,"r");
        if(W==0) return -1;
        do
                {
                fgets(s,80,W);
                }
        while(*s == '#');       
                sscanf(s," %d",iepoch);
                for(ilayer=1; ilayer<NET.Nlayer; ilayer++)
                        {
                        for(ineur=0; ineur<NET.Nneur[ilayer]; ineur++)
                                {
                                for(i=0; i<=NET.Nneur[ilayer-1]; i++)
                                        {
                                        fscanf(W," %le",&p);
                                        NET.Weights[ilayer][ineur][i] = (dbl) p;
                                        }
                                }
                        }
                
        fclose(W);
        return 0;
}
dbl MLP_Epoch ( int  iepoch,
dbl alpmin,
int *  ntest 
)

Definition at line 709 of file mlp_gen.cc.

References beta, BFGSdir(), CGDir(), DeDwNorm(), DeDwProd(), DeDwSaveZero(), DeDwScale(), DerivDir(), GetBFGSH(), GetGammaDelta(), InitBFGSH(), LEARN, LineSearch(), LineSearchHyb(), MLP_ResLin(), MLP_Stochastic(), MLP_Train(), NET, PAT, PrintWeights(), parseEventContent::prod, SetLambda(), ShuffleExamples(), SteepestDir(), and StochStep().

{
        dbl err, ONorm, beta, prod, ddir;       
/*      int *index;*/
        int Nweights, Nlinear, ipat, ierr;
        int nn;
        
        err = 0;
        *alpmin = 0.;
        
        Nweights = NET.Nweights;
        Nlinear = NET.Nneur[NET.Nlayer-2] + 1;
        
        if(NET.Debug>=5) printf(" Entry MLP_Epoch\n");          
/* stochastic minimization */           
        if(LEARN.Meth==1) 
                {

                err = MLP_Stochastic();
                        
                }
        else
                {
                if(iepoch==1 && LEARN.Meth==7)
                        {
                        SetLambda(10000);
                        MLP_ResLin();
                        if(NET.Debug>=2) PrintWeights();
                        }
                        
/* save previous gradient and reset current one */
                DeDwSaveZero();
                if(LEARN.Meth==16) 
                        {                       
                        ShuffleExamples(PAT.Npat[0],ExamplesIndex);
                        nn = PAT.Npat[0];
                        PAT.Npat[0] = nn/10;
                        for(ipat=0;ipat<nn;ipat++)
                                {
                                ierr = MLP_Train(&ExamplesIndex[ipat],&err);
                                if(ierr!=0) printf("Epoch: ierr= %d\n",ierr);
                                }
                        } 
                else
                        {
                        for(ipat=0;ipat<PAT.Npat[0];ipat++)
                                {
                                ierr = MLP_Train(&ipat,&err);
                                if(ierr!=0) printf("Epoch: ierr= %d\n",ierr);
                                }
                        }
                DeDwScale(PAT.Npat[0]);
                if(LEARN.Meth==2) StochStep();
                if(LEARN.Meth==3) 
                        {
                        SteepestDir(); 
                        if(LineSearch(alpmin,Ntest,err)==1) StochStep();
                        }

/* Conjugate Gradients Ribiere - Polak */
                if(LEARN.Meth==4) 
                        {
                        if((iepoch-1)%LEARN.Nreset==0) 
                                {
                                LEARN.Norm = DeDwNorm(); /* for next epoch */
                                SteepestDir();
                                }
                        else
                                {
                                ONorm = LEARN.Norm;
                                LEARN.Norm = DeDwNorm();
                                prod = DeDwProd();
                                beta = (LEARN.Norm-prod)/ONorm;
                                CGDir(beta);
                                }
                        if(LineSearch(alpmin,Ntest,err)==1) StochStep();
                        }

/* Conjugate Gradients Fletcher - Reeves */
                if(LEARN.Meth==5) 
                        {
                        if((iepoch-1)%LEARN.Nreset==0) 
                                {
                                LEARN.Norm = DeDwNorm(); /* for next epoch */
                                SteepestDir();
                                }
                        else
                                {
                                ONorm = LEARN.Norm;
                                LEARN.Norm = DeDwNorm();
                                beta = LEARN.Norm/ONorm;
                                CGDir(beta);
                                }
                        if(LineSearch(alpmin,Ntest,err)==1) StochStep();
                        }
                if(LEARN.Meth==6)
                        {
                        if((iepoch-1)%LEARN.Nreset==0)
                                {
                                SteepestDir();
                                InitBFGSH(Nweights);
                                }
                        else
                                {
                                GetGammaDelta();
                                ierr = GetBFGSH(Nweights);
                                if(ierr)
                                        {
                                        SteepestDir();
                                        InitBFGSH(Nweights);
                                        }
                                else
                                        {       
                                        BFGSdir(Nweights);
                                        }
                                }
                        ddir = DerivDir();
                        if(ddir>0)
                                {
                                SteepestDir();
                                InitBFGSH(Nweights);
                                ddir = DerivDir();
                                }
                        if(LineSearch(alpmin,Ntest,err)==1) 
                                {
                                InitBFGSH(Nweights);
                                SteepestDir();
                                if(LineSearch(alpmin,Ntest,err)==1) 
                                        {
                                        printf("Line search fail \n");
                                        }
                                }
                        }
                if(LEARN.Meth==7)
                        {
                        if((iepoch-1)%LEARN.Nreset==0)
                                {
                                SteepestDir();
                                InitBFGSH(Nweights-Nlinear);
                                }
                        else
                                {
                        if(NET.Debug>=5) printf("Before GetGammaDelta \n");
                                GetGammaDelta();
                        if(NET.Debug>=5) printf("After GetGammaDelta \n");
                                ierr = GetBFGSH(Nweights-Nlinear);
                        if(NET.Debug>=5) printf("After GetBFGSH \n");
                                if(ierr)
                                        {
                                        SteepestDir();
                                        InitBFGSH(Nweights-Nlinear);
                                        }
                                else
                                        {       
                                        BFGSdir(Nweights-Nlinear);
                                        }
                        if(NET.Debug>=5) printf("After BFGSdir \n");
                                }
                        SetLambda(10000);
                        if(LineSearchHyb(alpmin,Ntest)==1)
                                {
                                InitBFGSH(Nweights-Nlinear);
                                SteepestDir();
                                if(LineSearchHyb(alpmin,Ntest)==1) 
                                        {
                                        printf("Line search fail \n");
                                        }
                                }
                        }
                }
        
        if(NET.Debug>=5) printf(" End MLP_Epoch\n");            
        return(err);
}
void MLP_Line ( dbl ***  w0,
dbl  alpha 
)

Definition at line 1755 of file mlp_gen.cc.

References recoMuon::in, and NET.

Referenced by DecreaseSearch(), FixedStep(), and LineSearch().

{
        register int il,in,jn;
        
        for(il=1; il<NET.Nlayer; il++)
                for(in=0; in<NET.Nneur[il]; in++)
                        for(jn=0; jn<=NET.Nneur[il-1]; jn++)
                                NET.Weights[il][in][jn] = w0[il][in][jn]+
                                alpha*dir[il][in][jn];
                                
}
void MLP_LineHyb ( dbl ***  w0,
dbl  alpha 
)

Definition at line 1921 of file mlp_gen.cc.

References recoMuon::in, MLP_ResLin(), and NET.

Referenced by LineSearchHyb().

{
        int il,in,jn;
        for(il=1; il<NET.Nlayer-1; il++)
                for(in=0; in<NET.Nneur[il]; in++)
                        for(jn=0; jn<=NET.Nneur[il-1]; jn++)
                        {
                                NET.Weights[il][in][jn] = w0[il][in][jn]+
                                alpha*dir[il][in][jn];
                        }
        MLP_ResLin();
}
void MLP_MatrixVector ( dbl M,
type_pat v,
dbl r,
int  n,
int  m 
)

Definition at line 3744 of file mlp_gen.cc.

References trackerHits::c, i, j, m, n, and alignCSCRings::r.

Referenced by MLP_Test_MM().

{
        int i,j;
        register dbl a1, a2, a3, a4, c, d;
        dbl *pM1 = M;
        dbl *pM2 = &(M[m]);
        dbl *pM3 = &(M[2*m]);
        dbl *pM4 = &(M[3*m]);
        dbl *pr = r;
        int mp1 = m;
        
        for(i=0; i<n-3; 
                i+=4, pM1 += 3*mp1, pM2 += 3*mp1, pM3 += 3*mp1, pM4 += 3*mp1, 
                pr+=4)
                {
                a1 = 0;
                a2 = 0;
                a3 = 0;
                a4 = 0;
                for(j=0; j<m-1; j+=2, pM1+=2, pM2+=2, pM3+=2, pM4+=2) 
                        {
                        c = v[j];
                        d = v[j+1];
                        a1 = a1 + *pM1 * c + *(pM1+1) * d;
                        a2 = a2 + *pM2 * c + *(pM2+1) * d; 
                        a3 = a3 + *pM3 * c + *(pM3+1) * d;
                        a4 = a4 + *pM4 * c + *(pM4+1) * d; 
                        }
                for(j=j; j<m; j++, pM1++, pM2++, pM3++, pM4++)
                        {
                        c = v[j];
                        a1 = a1 + *pM1 * c;
                        a2 = a2 + *pM2 * c; 
                        a3 = a3 + *pM3 * c;
                        a4 = a4 + *pM4 * c; 
                        }       
                *pr = a1; *(pr+1) = a2; *(pr+2) = a3; *(pr+3) = a4;
                }
        for(i=i; i<n; i++)
                {
                pM1 = &(M[i*m]);
                a1 = 0;
                for(j=0; j<m; j++, pM1++)
                        {
                        a1 = a1 + *pM1 * v[j];
                        }
                r[i] = a1;      
                }       
}
void MLP_MatrixVectorBias ( dbl M,
dbl v,
dbl r,
int  n,
int  m 
)

Definition at line 3678 of file mlp_gen.cc.

References trackerHits::c, i, j, m, n, and alignCSCRings::r.

Referenced by MLP_Out(), and MLP_Out2().

{
        int i,j;
        register dbl a1, a2, a3, a4, c, d;
        dbl *pM1 = M;
        dbl *pM2 = &(M[m+1]);
        dbl *pM3 = &(M[2*(m+1)]);
        dbl *pM4 = &(M[3*(m+1)]);
        dbl *pr = r;
        int mp1 = m+1;
        
        for(i=0; i<n-3; 
                i+=4, pM1 += 3*mp1, pM2 += 3*mp1, pM3 += 3*mp1, pM4 += 3*mp1, 
                pr+=4)
                {
                a1 = *pM1;
                a2 = *pM2;
                a3 = *pM3;
                a4 = *pM4;
                pM1++; pM2++; pM3++; pM4++;
                for(j=0; j<m-1; j+=2, pM1+=2, pM2+=2, pM3+=2, pM4+=2) 
                        {
                        c = v[j];
                        d = v[j+1];
                        a1 = a1 + *pM1 * c + *(pM1+1) * d;
                        a2 = a2 + *pM2 * c + *(pM2+1) * d; 
                        a3 = a3 + *pM3 * c + *(pM3+1) * d;
                        a4 = a4 + *pM4 * c + *(pM4+1) * d; 
                        }
                for(j=j; j<m; j++, pM1++, pM2++, pM3++, pM4++)
                        {
                        c = v[j];
                        a1 = a1 + *pM1 * c;
                        a2 = a2 + *pM2 * c; 
                        a3 = a3 + *pM3 * c;
                        a4 = a4 + *pM4 * c; 
                        }       
                *pr = a1; *(pr+1) = a2; *(pr+2) = a3; *(pr+3) = a4;
                }
        for(i=i; i<n; i++)
                {
                pM1 = &(M[i*(m+1)]);
                a1 = *pM1;
                pM1++;
                for(j=0; j<m; j++, pM1++)
                        {
                        a1 = a1 + *pM1 * v[j];
                        }
                r[i] = a1;      
                }       
}
void MLP_MM2rows ( dbl c,
type_pat a,
dbl b,
int  Ni,
int  Nj,
int  Nk,
int  NaOffs,
int  NbOffs 
)

Definition at line 3813 of file mlp_gen.cc.

References j, and gen::k.

Referenced by MLP_Test_MM().

{
//int i,j,k;
int j,k;
dbl s00,s01,s10,s11;
type_pat *pa0,*pa1;
dbl *pb0,*pb1,*pc0,*pc1;

  for (j=0; j<=Nj-2; j+=2)
   {
    pc0 = c+j;
    pc1 = c+j+Nj;
    s00 = 0.0; s01 = 0.0; s10 = 0.0; s11 = 0.0;

    for (k=0,pb0=b+k+NbOffs*j,
             pb1=b+k+NbOffs*(j+1),
             pa0=a+k,
             pa1=a+k+NaOffs;
         k<Nk;
         k++,pa0++,
             pa1++,
             pb0++,
             pb1++)
     {
      s00 += (*pa0)*(*pb0);
      s01 += (*pa0)*(*pb1);
      s10 += (*pa1)*(*pb0);
      s11 += (*pa1)*(*pb1);
     }
    *pc0 = s00; *(pc0+1) = s01; *pc1 = s10; *(pc1+1) = s11;
   }
  for (j=j; j<Nj; j++)
   {
    pc0 = c+j;
    pc1 = c+j+Nj;
    s00 = 0.0; s10 = 0.0;
    for (k=0,pb0=b+k+NbOffs*j,
             pa0=a+k,
             pa1=a+k+NaOffs;
         k<Nk;
         k++,pa0++,
             pa1++,
             pb0++)
     {
      s00 += (*pa0)*(*pb0);
      s10 += (*pa1)*(*pb0);
     }
    *pc0 = s00; *pc1 = s10;
   }
}
void MLP_Out ( type_pat rrin,
dbl rrout 
)

Definition at line 63 of file mlp_gen.cc.

References i, recoMuon::in, j, m, MLP_MatrixVectorBias(), MLP_vSigmoideDeriv(), and NET.

Referenced by MLP_ResLin().

{
//      static int i, il, in, j, ilm1, m, mp1;  
        static int i, il, in, j, m, mp1;  
        dbl **deriv1;

/* input layer */  

        deriv1 = NET.Deriv1;
        m = NET.Nneur[0]%4;
        if(m==0) goto L10;
        for(j=0;j<m;j++) NET.Outn[0][j] = rrin[j];
L10:    
        mp1 = m+1;
        for(i=mp1; i<=NET.Nneur[0]; i+=4)
                {
                NET.Outn[0][i-1] = rrin[i-1];
                NET.Outn[0][i] = rrin[i];
                NET.Outn[0][i+1] = rrin[i+1];
                NET.Outn[0][i+2] = rrin[i+2];
                }
  
/* hidden and output layers */

        MLP_MatrixVectorBias(NET.vWeights[1],NET.Outn[0],
                        NET.Outn[1],NET.Nneur[1],NET.Nneur[0]);
                        
        for(il=2; il<NET.Nlayer; il++)
                {
                MLP_vSigmoideDeriv(NET.Outn[il-1],
                                deriv1[il-1],NET.Nneur[il-1]);
                MLP_MatrixVectorBias(NET.vWeights[il],NET.Outn[il-1],
                                NET.Outn[il],NET.Nneur[il],
                                NET.Nneur[il-1]);                       
                }        
        for(in=0; in<NET.Nneur[NET.Nlayer-1]; in++)
                {                                                                
                deriv1[NET.Nlayer-1][in] = 1;
                }               
}
void MLP_Out2 ( type_pat rrin)

Definition at line 186 of file mlp_gen.cc.

References i, recoMuon::in, m, MLP_MatrixVectorBias(), MLP_vSigmoideDeriv(), NET, and nin.

Referenced by MLP_Stochastic(), and MLP_Train().

{
//      static int il, in, m, mp1, i0, ilm1;  
        static int il, in, m, mp1;
        register int i;
        dbl **rrout, **deriv1;
        register dbl *prrout;
        type_pat *prrin;
        int nhid = NET.Nneur[1];
        int nin = NET.Nneur[0];

        rrout = NET.Outn;
        deriv1 = NET.Deriv1;
        
        m = NET.Nneur[0]%4;
        if(m==0) goto L10;
        if(m==1) 
                {
                rrout[0][0] = rrin[1];
                goto L10;
                }
        else if(m==2)
                {
                rrout[0][0] = rrin[1];
                rrout[0][1] = rrin[2];
                goto L10;
                }       
        else if(m==3)
                {
                rrout[0][0] = rrin[1];
                rrout[0][1] = rrin[2];
                rrout[0][2] = rrin[3];
                goto L10;
                }       
L10:    
        mp1 = m+1;
        prrout = &(rrout[0][mp1]);
        prrin = &(rrin[mp1+1]);
        for(i=mp1; i<=NET.Nneur[0]; i+=4, prrout+=4, prrin+=4)
                {
                *(prrout-1) = *(prrin-1);
                *prrout = *prrin;
                *(prrout+1)= *(prrin+1);
                *(prrout+2) = *(prrin+2);
                }
                
/* input layer */ 

        MLP_MatrixVectorBias(NET.vWeights[1],NET.Outn[0],
                NET.Outn[1],nhid,nin);
        
          
/* hidden and output layers */

        for(il=2; il<NET.Nlayer; il++)
                {
                MLP_vSigmoideDeriv(NET.Outn[il-1],deriv1[il-1],NET.Nneur[il-1]);
                MLP_MatrixVectorBias(NET.vWeights[il],NET.Outn[il-1],
                        NET.Outn[il],NET.Nneur[il],NET.Nneur[il-1]);
                }       
        for(in=0; in<NET.Nneur[NET.Nlayer-1]; in++)
                deriv1[NET.Nlayer-1][in] = 1;    
}
void MLP_Out_T ( type_pat rrin)

Definition at line 115 of file mlp_gen.cc.

References a, i, recoMuon::in, j, m, MLP_Sigmoide(), and NET.

Referenced by MLP_Test().

{
        static int i, il, in, j, ilm1, m, mp1;  
        register dbl a;

/* input layer */  

        m = NET.Nneur[0]%4;
        if(m==0) goto L10;
        for(j=0;j<m;j++) NET.Outn[0][j] = rrin[j];
L10:    
        mp1 = m+1;
        for(i=mp1; i<=NET.Nneur[0]; i+=4)
                {
                NET.Outn[0][i-1] = rrin[i-1];
                NET.Outn[0][i] = rrin[i];
                NET.Outn[0][i+1] = rrin[i+1];
                NET.Outn[0][i+2] = rrin[i+2];
                }
  
/* hidden and output layers */

/*      for(in=0;in<NET.Nneur[0]; in++) printf("%e %e\n",
                NET.Outn[0][in],NET.Weights[1][0][in]);
                printf("\n");  */
        for(il=1; il<NET.Nlayer; il++)
                {
                ilm1 = il-1;
                m = NET.Nneur[ilm1]%4;
                for(in=0; in<NET.Nneur[il]; in++)
                        {
                        a = NET.Weights[il][in][0];
                        if(m==0) goto L20;
                        for(j=1;j<=m;j++) a += 
                                NET.Weights[il][in][j]*NET.Outn[ilm1][j-1];
L20:                    
                        mp1 = m+1;
                        for(j=mp1; j<=NET.Nneur[ilm1]; j+=4)
                                {
                                a += 
                                NET.Weights[il][in][j+3]*NET.Outn[ilm1][j+2]+
                                NET.Weights[il][in][j+2]*NET.Outn[ilm1][j+1]+
                                NET.Weights[il][in][j+1]*NET.Outn[ilm1][j]+
                                NET.Weights[il][in][j]*NET.Outn[ilm1][j-1];
                                }
                        switch(NET.T_func[il][in])
                                {
                                case 2: NET.Outn[il][in] = MLP_Sigmoide(a);
                                        break;                                  
                                case 1: NET.Outn[il][in] = a; 
                                        break; 
                                case 0: NET.Outn[il][in] = 0; 
                                        break; 
                                }       
                        }
                }        
}
int MLP_PrCFun ( char *  filename)

Definition at line 2876 of file mlp_gen.cc.

References DIVERS, recoMuon::in, NET, and STAT.

{
        int il,in,jn;
        FILE *W;

        W=fopen(filename,"w");
        if(W==0) return -1;
        
        fprintf(W,"double sigmoid(double x)\n");
        fprintf(W,"{\n");
        fprintf(W,"return 1/(1+exp(-x));\n");
        fprintf(W,"}\n");
        fprintf(W,"void rnnfun(double *rin,double *rout)\n");
        fprintf(W,"{\n");
        fprintf(W,"      double out1[%d];\n",NET.Nneur[0]);
        fprintf(W,"      double out2[%d];\n",NET.Nneur[1]);
        if(NET.Nlayer>=3) fprintf(W,"      double out3[%d];\n",NET.Nneur[2]);
        if(NET.Nlayer>=4) fprintf(W,"      double out4[%d];\n",NET.Nneur[3]);
        fprintf(W,"\n");
        
        for(in=0; in<NET.Nneur[0]; in++)
                {
                if(DIVERS.Norm==0)
                        { 
                        fprintf(W,"      out1[%d] = rin[%d];\n",in,in);
                        }
                else
                        {
                        fprintf(W,"      out1[%d] = (rin[%d]-%e)/%e;\n",
                                        in,in,
                                        STAT.mean[in],STAT.sigma[in]);
                        }       
                }
                
        for(il=1; il<=NET.Nlayer-1; il++)
                {
                fprintf(W,"\n");
                fprintf(W,"/*     layer %d */\n",il+1);
                for(in=0; in<NET.Nneur[il]; in++)
                        {
                        fprintf(W,"      out%d[%d] = %e\n",il+1,in,
                                        (double) NET.Weights[il][in][0]);
                        for(jn=1;jn<=NET.Nneur[il-1]; jn++)
                                fprintf(W,"      +(%e) * out%d[%d]\n",
                                        (double) NET.Weights[il][in][jn],il,jn-1);
                                fprintf(W,"      ;\n");
                        }
                fprintf(W,"\n");
                for(in=0; in<NET.Nneur[il]; in++)
                        {
                        if(NET.T_func[il][in]==0) 
                                {
                                fprintf(W,"      out%d[%d] = 0;\n",il+1,in);
                                }
                        else if(NET.T_func[il][in]==1)
                                {
                                }
                        else if(NET.T_func[il][in]==2)
                                {
                                fprintf(W,"      out%d[%d] = sigmoid(out%d[%d]);\n",
                                        il+1,in,il+1,in);
                                }
                        }
                }
        il = NET.Nlayer-1;
        for(in=0; in<NET.Nneur[il]; in++)
                {
                fprintf(W,"      rout[%d] = out%d[%d];\n",in,il+1,in);
                }
        fprintf(W,"}\n");       
        fclose(W);
        return 0;
}
int MLP_PrFFun ( char *  filename)

Definition at line 2767 of file mlp_gen.cc.

References DIVERS, recoMuon::in, NET, and STAT.

{
        int il,in,jn;
        FILE *W;

        W=fopen(filename,"w");
        if(W==0) return -1;
        fprintf(W,"      SUBROUTINE RNNFUN(rin,rout)\n");
        fprintf(W,"      DIMENSION RIN(%d)\n",NET.Nneur[0]);
        fprintf(W,"      DIMENSION ROUT(%d)\n",NET.Nneur[NET.Nlayer-1]);
        fprintf(W,"C\n");
        
        for(in=0; in<NET.Nneur[0]; in++)
                {
                if(DIVERS.Norm==0)
                        { 
                        fprintf(W,"      OUT%d = RIN(%d)\n",in+1,in+1);
                        }
                else
                        {
                        fprintf(W,"      OUT%d = (RIN(%d)-%e)/%e\n",in+1,in+1,
                                        STAT.mean[in],STAT.sigma[in]);
                        }       
                }
        for(il=1; il<NET.Nlayer-1; il++)
                {
                fprintf(W,"C\n");
                fprintf(W,"C     layer %d\n",il+1);
                for(in=0; in<NET.Nneur[il]; in++)
                        {
                        fprintf(W,"      RIN%d = %e\n",in+1,
                                        (double) NET.Weights[il][in][0]);
                        for(jn=1;jn<=NET.Nneur[il-1]; jn++)
                                fprintf(W,"     > +(%e) * OUT%d\n",
                                        (double) NET.Weights[il][in][jn],jn);
                        }
                fprintf(W,"C\n");
                for(in=0; in<NET.Nneur[il]; in++)
                        {
                        if(NET.T_func[il][in]==0) 
                                {
                                fprintf(W,"      OUT%d = 0\n",in+1);
                                }
                        else if(NET.T_func[il][in]==1)
                                {
                                fprintf(W,"      OUT%d = RIN%d\n",in+1,in+1);
                                }
                        else if(NET.T_func[il][in]==2)
                                {
                                fprintf(W,"      OUT%d = SIGMOID(RIN%d)\n",
                                        in+1,in+1);
                                }
                        }
                }
        il = NET.Nlayer-1;
        fprintf(W,"C\n");
        fprintf(W,"C     layer %d\n",il+1);
        for(in=0; in<NET.Nneur[il]; in++)
                {
                fprintf(W,"      RIN%d = %e\n",in+1,
                                (double) NET.Weights[il][in][0]);
                for(jn=1;jn<=NET.Nneur[il-1]; jn++)
                        fprintf(W,"     > +(%e) * OUT%d\n",
                                (double) NET.Weights[il][in][jn],jn);
                }
        fprintf(W,"C\n");
        for(in=0; in<NET.Nneur[il]; in++)
                {
                if(NET.T_func[il][in]==0) 
                        {
                        fprintf(W,"      ROUT(%d) = 0\n",in+1);
                        }
                else if(NET.T_func[il][in]==1)
                        {
                        fprintf(W,"      ROUT(%d) = RIN%d\n",in+1,in+1);
                        }
                else if(NET.T_func[il][in]==2)
                        {
                        fprintf(W,"      ROUT(%d) = SIGMOID(RIN%d)\n",
                                in+1,in+1);
                        }
                }
                
        fprintf(W,"C\n");
        fprintf(W,"      END\n");
        fprintf(W,"      REAL FUNCTION SIGMOID(X)\n");
        fprintf(W,"      SIGMOID = 1./(1.+EXP(-X))\n");
        fprintf(W,"      END\n");
        
        fclose(W);
        return 0;
}
int MLP_PrintInputStat ( )

Definition at line 3330 of file mlp_gen.cc.

References j, timingPdfMaker::mean, MLP_StatInputs(), NET, PAT, and stat_::sigma.

{
        int j;
        dbl *mean, *sigma, *minimum, *maximum;

/* allocate memory */
        mean = (dbl *) malloc(NET.Nneur[0]*sizeof(dbl));
        sigma = (dbl *) malloc(NET.Nneur[0]*sizeof(dbl));
        minimum = (dbl *) malloc(NET.Nneur[0]*sizeof(dbl));
        maximum = (dbl *) malloc(NET.Nneur[0]*sizeof(dbl));

        if(mean == 0 || sigma == 0 || minimum == 0
           || maximum == 0) return -111;

        MLP_StatInputs(PAT.Npat[0],NET.Nneur[0],PAT.Rin[0],
                        mean,sigma,minimum,maximum);

        printf("\t mean \t\t RMS \t\t min \t\t max\n");
        for(j=0;j<NET.Nneur[0];j++)
                {
                printf("var%d \t %e \t %e \t %e \t %e\n",j+1,
                                        mean[j],sigma[j],minimum[j],maximum[j]);
                }
        
        free(mean);
        free(sigma);
        free(minimum);
        free(maximum);  
        printf("\n");
        return 0;
}
double MLP_Rand ( dbl  min,
dbl  max 
)

Definition at line 2129 of file mlp_gen.cc.

References random.

Referenced by InitWeights(), and ShuffleExamples().

{
return mini+(maxi-mini)*random()/RAND_MAX;
}
void MLP_ResLin ( )

Definition at line 1969 of file mlp_gen.cc.

References dgels_(), recoMuon::in, LEARN, MLP_Out(), MLP_Test(), NET, PAT, and mathSSE::sqrt().

Referenced by MLP_Epoch(), MLP_LineHyb(), and StochStepHyb().

{
/*      dbl rrans[NMAX], rrout[NMAX];*/
/*      type_pat rrin[NMAX];*/
        doublereal *HR,*dpat; //,*wlin,*SV;
        double err,lambda,lambda2;
        integer Nl,M,Nhr,khr,nrhs,iret,ierr;
        int   il, in, inl, ipat;
        /*register dbl a;*/ //a unused
        char Trans = 'N';

        
/*      integer rank; */
//      doublereal rcond = -1;  /* use machine precision */
        
        lambda2 = LEARN.Alambda;
        
/* Nl = number of linear weights
   M = number of terms in linear system = number of examples + regularisation*/
        Nl = NET.Nneur[NET.Nlayer-2] + 1;
        M = PAT.Npat[0]+Nl;

        integer Lwork = 5 * M;
        doublereal *Work = (doublereal*) malloc((int) Lwork*sizeof(doublereal));
        
/* memory allocation */
        dpat = (doublereal*) malloc((int) M*sizeof(doublereal));
//      wlin = (doublereal*) malloc((int) Nl*sizeof(doublereal));
//      SV = (doublereal*) malloc((int) Nl*sizeof(doublereal));
        
        Nhr = M * Nl;
        HR = (doublereal*) malloc((int) Nhr*sizeof(doublereal));
        err = 0.;
        for(ipat=0;ipat<PAT.Npat[0];ipat++)
                {
/* *** Filling dpat and HR *** */
/*              for(in=0; in<NET.Nneur[0]; in++)
                        {
                        rrin[in] = PAT.Rin[0][ipat][in];
                        }*/

                MLP_Out(PAT.Rin[0][ipat],NET.Outn[NET.Nlayer-1]);
/*              MLP_Out(rrin,rrout);*/
                /*for(in=0; in<NET.Nneur[NET.Nlayer-1]; in++)
                        { 
                          a = (dbl) PAT.Rans[0][ipat][in]; //a was not used
                        } */
                il = NET.Nlayer-2;
                dpat[ipat] = (dbl) PAT.Rans[0][ipat][0]*sqrt(PAT.Pond[0][ipat]);
                khr = ipat;
                HR[khr] = (dbl) sqrt(PAT.Pond[0][ipat]);
                for(in=0;in<NET.Nneur[il];in++)
                        {
                        khr =  M *(in+1) + ipat;
                        HR[khr] = NET.Outn[il][in]* 
                                (dbl) sqrt(PAT.Pond[0][ipat]);
                        }
                }
        il = NET.Nlayer-2;
        lambda = sqrt(lambda2);
        for(ipat=0;ipat<=NET.Nneur[il];ipat++)
                {
                dpat[ipat+PAT.Npat[0]] = 0;
                for(in=0;in<=NET.Nneur[il];in++)
                        {
                        khr =  M *in + ipat + PAT.Npat[0];
                        HR[khr] = 0;
                        if(in==ipat) HR[khr]=lambda;
                        }
                }
        if(NET.Debug>=4) 
                {
                err = MLP_Test(0,0);
                printf("entry ResLin, err=MLP_Test(0,0), err= %f\n",err); 
                }                
/*                                                                */
/*      Trouve les poids lineaires par resolution lineaire        */
/*                                                                */
        nrhs = 1;
        ierr = dgels_(&Trans,&M,&Nl,&nrhs,HR,&M,dpat,&M,Work,
                        &Lwork,&iret);
        if(iret != 0) printf("Warning from dgels: iret = %d\n",(int)iret);
        if(ierr != 0) printf("Warning from dgels: ierr = %d\n",(int)ierr);
        
/*      ierr = dgelss_(&M,&Nl,&nrhs,HR,&M,dpat,&M,SV,&rcond,&rank,Work,&Lwork,
                &iret);
        if(iret != 0) printf("Warning from dgelss: iret = %d\n",iret);
        if(ierr != 0) printf("Warning from dgelss: ierr = %d\n",ierr);*/
        
        il = NET.Nlayer-1;
        for (inl=0; inl<=NET.Nneur[il-1];inl++)
                {
                NET.Weights[il][0][inl] = dpat[inl];
                }
        if(NET.Debug>=4) 
                {
                err = MLP_Test(0,0);
                printf("ResLin, apres tlsfor, err= %f\n",err); 
                }                
        free(Work);
        free(dpat);
//      free(wlin);
        free(HR);
//      free(SV);
}
int MLP_SetNet ( int *  nl,
int *  nn 
)

Definition at line 3635 of file mlp_gen.cc.

References AllocNetwork(), NET, NLMAX, and SetDefaultFuncs().

Referenced by PhysicsTools::MLP::MLP(), and ReadPatterns().

{
    int il,ierr;

    if((*nl)>NLMAX) return(1);
    if((*nl)<2) return(2);
    
/*    LearnFree(); */
/* allocate memory */      
    ierr = AllocNetwork(*nl,nn);
    if(ierr != 0) return ierr;
      
/* set number of layers */               
    NET.Nlayer = (int) *nl;

/* set number of neurons */               
    for(il=0; il<NET.Nlayer; il++) {
       NET.Nneur[il] = nn[il];
      }

/* set transfer functions */      
    SetDefaultFuncs();
/*    LearnAlloc(); */
      
    return(0); 
}
int MLP_StatInputs ( int  Nexamples,
int  Ninputs,
type_pat **  inputs,
dbl mean,
dbl sigma,
dbl minimum,
dbl maximum 
)

Definition at line 3273 of file mlp_gen.cc.

References j, and mathSSE::sqrt().

Referenced by MLP_PrintInputStat(), and NormalizeInputs().

{
        dbl *fmean;
        int j, ipat, nmax;
        
/* first compute a fast rough mean using the first 100 events */
        fmean = (dbl*) malloc(Ninputs*sizeof(dbl));
        nmax = 100;
        if(Nexamples<100) nmax=Nexamples;
        
        for(j=0;j<Ninputs;j++)
                {
                fmean[j] = 0;
                for(ipat=0;ipat<nmax;ipat++)
                        {
                        fmean[j] += (dbl) inputs[ipat][j];
                        }
                fmean[j] = fmean[j]/(dbl) nmax;
                
/* now compute real mean and sigma, min and max */              
                mean[j] = 0;
                sigma[j] = 0;
                minimum[j] = 99999;
                maximum[j] = -99999;
                for(ipat=0;ipat<Nexamples;ipat++)
                        {
                        mean[j] += (dbl) inputs[ipat][j];
                        sigma[j] += ((dbl) inputs[ipat][j]-fmean[j])*
                                    ((dbl) inputs[ipat][j]-fmean[j]);
                        if((dbl) inputs[ipat][j] > maximum[j]) 
                                maximum[j]=(dbl) inputs[ipat][j];           
                        if((dbl) inputs[ipat][j] < minimum[j]) 
                                minimum[j]=(dbl) inputs[ipat][j];           
                        }
                mean[j] = mean[j]/(dbl) Nexamples;
                sigma[j] = sqrt(sigma[j]/ (dbl) Nexamples - 
                                (mean[j]-fmean[j])*
                                (mean[j]-fmean[j]));    
                }
        free(fmean);
        return 0;
}
dbl MLP_Stochastic ( )

Definition at line 521 of file mlp_gen.cc.

References a, b, createTree::dd, eta(), EtaDecay(), recoMuon::in, LEARN, MLP_Out2(), NET, PAT, and ShuffleExamples().

Referenced by MLP_Epoch().

{
        int ipat, ii, inm1;
        dbl err = 0;
        int il, in1, in, itest2;
        dbl deriv, deriv1, deriv2, deriv3, deriv4, pond;
        dbl eta, eps;
        register dbl a, b, dd, a1, a2, a3, a4;
        dbl *pout, *pdelta, *pw1, *pw2, *pw3, *pw4;
        dbl ***weights;
    
        if(NET.Debug>=5) printf(" Entry MLP_Stochastic\n");             
        weights = NET.Weights;
/* shuffle patterns */          
        ShuffleExamples(PAT.Npat[0],ExamplesIndex); 
                
/* reduce learning parameter */
        if(LEARN.Decay<1) EtaDecay();
                
        eta = -LEARN.eta;
        eps = LEARN.epsilon;
        
/* loop on the examples */              
        for(ipat=0;ipat<PAT.Npat[0];ipat++)
                {
                ii = ExamplesIndex[ipat];
                pond = PAT.Pond[0][ii];
                
                MLP_Out2(&(PAT.vRin[0][ii*(NET.Nneur[0]+1)])); 
                        
/* next lines are equivalent to DeDwSum */                          
                for(in=0; in<NET.Nneur[NET.Nlayer-1]; in++) 
                        {
                        deriv = NET.Deriv1[NET.Nlayer-1][in]; 
                        a = (dbl) PAT.Rans[0][ii][in];
                        b = NET.Outn[NET.Nlayer-1][in]-a;
                        err  += b*b*pond;
                        NET.Delta[NET.Nlayer-1][in] = b*deriv*pond*eta;
                        }
                        
                for(il=NET.Nlayer-2; il>0; il--) 
                        {
                        dd = NET.Delta[il+1][0];
                        for(in=0; in<NET.Nneur[il]-3; in+=4) 
                                {
                                deriv1 = NET.Deriv1[il][in]; 
                                deriv2 = NET.Deriv1[il][in+1]; 
                                deriv3 = NET.Deriv1[il][in+2]; 
                                deriv4 = NET.Deriv1[il][in+3]; 
                                itest2 = (NET.Nneur[il+1]==1);
                                a1 = dd*weights[il+1][0][in+1];
                                a2 = dd*weights[il+1][0][in+2];
                                a3 = dd*weights[il+1][0][in+3];
                                a4 = dd*weights[il+1][0][in+4];
                                if(itest2) goto L1;
                                pdelta = &(NET.Delta[il+1][1]);
                                for(in1=1; in1<NET.Nneur[il+1];
                                        in1++, pdelta++) 
                                        {
                                        a1 += *pdelta * weights[il+1][in1][in+1];
                                        a2 += *pdelta * weights[il+1][in1][in+2];
                                        a3 += *pdelta * weights[il+1][in1][in+3];
                                        a4 += *pdelta * weights[il+1][in1][in+4];
                                        }
L1:                             NET.Delta[il][in] = a1*deriv1;
                                NET.Delta[il][in+1] = a2*deriv2;
                                NET.Delta[il][in+2] = a3*deriv3;
                                NET.Delta[il][in+3] = a4*deriv4;
                                } 
                        for(in=in; in<NET.Nneur[il]; in++) 
                                {
                                deriv = NET.Deriv1[il][in]; 
                                itest2 = (NET.Nneur[il+1]==1);
                                a = dd*weights[il+1][0][in+1];
                                if(itest2) goto L2;
                                pdelta = &(NET.Delta[il+1][1]);
                                for(in1=1; in1<NET.Nneur[il+1];
                                        in1++, pdelta++) 
                                        {
                                        a += *pdelta * 
                                        weights[il+1][in1][in+1];
                                        }
L2:                             NET.Delta[il][in] = a*deriv;
                                } 
                                
                        }                       /* end of loop on layers */


/* update the weights */
                if(eps==0)
                        {
                for(il=1; il<NET.Nlayer; il++)
                        {
                        inm1 = NET.Nneur[il-1];
                        for(in=0; in<NET.Nneur[il]-3; in+=4)
                                { 
                                a1 = NET.Delta[il][in];
                                a2 = NET.Delta[il][in+1];
                                a3 = NET.Delta[il][in+2];
                                a4 = NET.Delta[il][in+3];
                                pout = &(NET.Outn[il-1][0]);
                                weights[il][in][0] += a1;                               
                                weights[il][in+1][0] += a2;                             
                                weights[il][in+2][0] += a3;                             
                                weights[il][in+3][0] += a4;                             
                                weights[il][in][1] += a1* (*pout);
                                weights[il][in+1][1] += a2* (*pout);
                                weights[il][in+2][1] += a3* (*pout);
                                weights[il][in+3][1] += a4* (*pout);
                                pout++;
                                pw1 = &(weights[il][in][2]);
                                pw2 = &(weights[il][in+1][2]);
                                pw3 = &(weights[il][in+2][2]);
                                pw4 = &(weights[il][in+3][2]);
                                for(in1=2; in1<=inm1; 
                                        ++in1, ++pout, ++pw1, ++pw2,
                                        ++pw3, ++pw4)
                                        {
                                        *pw1 += a1 * *pout;
                                        *pw2 += a2 * *pout;
                                        *pw3 += a3 * *pout;
                                        *pw4 += a4 * *pout;
                                        }
                                }
                        for(in=in; in<NET.Nneur[il]; in++)
                                { 
                                a1 = NET.Delta[il][in];
                                pout = &(NET.Outn[il-1][0]);
                                weights[il][in][0] += a1;                               
                                weights[il][in][1] += a1* (*pout);
                                pout++;
                                pw1 = &(weights[il][in][2]);
                                for(in1=2; in1<=inm1; 
                                        ++in1, ++pout, ++pw1)
                                        {
                                        *pw1 += a1 * *pout;
                                        }
                                }
                        }
                        }
                else
                        {                       
                for(il=1; il<NET.Nlayer; il++)
                        {
                        for(in=0; in<NET.Nneur[il]; in++)
                                { 
                                
                                a = NET.Delta[il][in];
                                LEARN.Odw[il][in][0] = a + eps * LEARN.Odw[il][in][0];
                                NET.Weights[il][in][0] += LEARN.Odw[il][in][0];
                                
                                b = a*NET.Outn[il-1][0];
                                LEARN.Odw[il][in][1] = b + eps*LEARN.Odw[il][in][1];
                                NET.Weights[il][in][1] += LEARN.Odw[il][in][1];
                                
                                for(in1=2; in1<=NET.Nneur[il-1]; in1++)
                                        {
                                        b = a*NET.Outn[il-1][in1-1];
                                        LEARN.Odw[il][in][in1] = b + eps*LEARN.Odw[il][in][in1];
                                        NET.Weights[il][in][in1] += LEARN.Odw[il][in][in1];
                                        }
                                }
                        }
                        }               
                        
                }                       /* end of loop on examples */
        return(err);            
}
dbl MLP_Test ( int  ifile,
int  regul 
)

Definition at line 449 of file mlp_gen.cc.

References compare_using_db::ifile, recoMuon::in, LEARN, MLP_Out_T(), MLP_Test_MM(), NET, PAT, and tmp.

Referenced by DecreaseSearch(), LineSearch(), LineSearchHyb(), MLP_ResLin(), and SetLambda().

{
        dbl err, rrans;
        int in,jn,ipat,ipati;
        
        dbl *tmp;
        
        tmp = (dbl *) malloc(2 * NET.Nneur[1] * sizeof(dbl)); 
        if(tmp == 0)    /* not enough memory */
        {
        printf("not enough memory in MLP_Test\n");                              
        err = 0;
        for(ipat=0; ipat<PAT.Npat[ifile]; ipat++)
                {
                if(ifile==0)
                        {
                        ipati = ExamplesIndex[ipat];
                        }
                else
                        {
                        ipati = ipat;
                        }       
                MLP_Out_T(PAT.Rin[ifile][ipati]);
                for(in=0; in<NET.Nneur[NET.Nlayer-1]; in++) 
                        {
                        rrans = (dbl) PAT.Rans[ifile][ipati][in];
                        err  += (rrans-NET.Outn[NET.Nlayer-1][in])*
                                (rrans-NET.Outn[NET.Nlayer-1][in])*
                                PAT.Pond[ifile][ipati];
                        }
                }

        if(regul>=1) 
                {
                for(in=0; in<NET.Nneur[NET.Nlayer-1]; in++)
                        for(jn=0; jn<=NET.Nneur[NET.Nlayer-2]; jn++)
                        {
                        err += LEARN.Alambda*NET.Weights[NET.Nlayer-1][in][jn]*
                                NET.Weights[NET.Nlayer-1][in][jn];
                        }
                }
        free(tmp);      
        return(err);
        }
        else    /* computation using matrix - matrix multiply */
        {
        err = MLP_Test_MM(ifile, tmp);
        if(regul>=1) 
                {
                for(in=0; in<NET.Nneur[NET.Nlayer-1]; in++)
                        for(jn=0; jn<=NET.Nneur[NET.Nlayer-2]; jn++)
                        {
                        err += LEARN.Alambda*NET.Weights[NET.Nlayer-1][in][jn]*
                                NET.Weights[NET.Nlayer-1][in][jn];
                        }
                }
        free(tmp);
        return(err);
        }               
}
int MLP_Train ( int *  ipat,
dbl err 
)

Definition at line 898 of file mlp_gen.cc.

References DeDwSum(), recoMuon::in, MLP_Out2(), NET, and PAT.

Referenced by MLP_Epoch().

{
        int in;
    
/*      if(*ipat>=PAT.Npat[0]) return(1);*/
        if(*ipat<0) return(2);
        
/*      MLP_Out(PAT.Rin[0][*ipat],NET.Outn[NET.Nlayer-1]);*/
        MLP_Out2(&(PAT.vRin[0][*ipat*(NET.Nneur[0]+1)]));
        for(in=0; in<NET.Nneur[NET.Nlayer-1]; in++) 
                {
                *err  += ((dbl) PAT.Rans[0][*ipat][in]-NET.Outn[NET.Nlayer-1][in])
                        *((dbl) PAT.Rans[0][*ipat][in]-NET.Outn[NET.Nlayer-1][in])*
                        PAT.Pond[0][*ipat];
                }
        DeDwSum(PAT.Rans[0][*ipat],NET.Outn[NET.Nlayer-1],*ipat);       
        return(0); 
} 
int NormalizeInputs ( )

Definition at line 3376 of file mlp_gen.cc.

References j, timingPdfMaker::mean, MLP_StatInputs(), NET, PAT, stat_::sigma, and STAT.

{
        int j, ipat;
        dbl *mean, *sigma, *minimum, *maximum;

/* allocate memory */
        mean = (dbl *) malloc(NET.Nneur[0]*sizeof(dbl));
        sigma = (dbl *) malloc(NET.Nneur[0]*sizeof(dbl));
        STAT.mean = (dbl *) malloc(NET.Nneur[0]*sizeof(dbl));
        STAT.sigma = (dbl *) malloc(NET.Nneur[0]*sizeof(dbl));
        minimum = (dbl *) malloc(NET.Nneur[0]*sizeof(dbl));
        maximum = (dbl *) malloc(NET.Nneur[0]*sizeof(dbl));
        
        if(mean == 0 || sigma == 0 || minimum == 0
           || maximum == 0 || STAT.mean == 0 ||
           STAT.sigma == 0) return -111;

        MLP_StatInputs(PAT.Npat[0],NET.Nneur[0],PAT.Rin[0],
                        mean,sigma,minimum,maximum);

        if(NET.Debug>=1) printf("\t mean \t\t RMS \t\t min \t\t max\n");
        for(j=0;j<NET.Nneur[0];j++)
                {
                if(NET.Debug>=1)
                        printf("var%d \t %e \t %e \t %e \t %e\n",j+1,
                                        mean[j],sigma[j],minimum[j],maximum[j]);
                
/* store mean and sigma for output function */          
                STAT.mean[j] = mean[j];                 
                STAT.sigma[j] = sigma[j];
                                        
/* finally apply the normalization */
                for(ipat=0;ipat<PAT.Npat[0];ipat++)
                        {
                        PAT.Rin[0][ipat][j] =
                        (PAT.Rin[0][ipat][j]-(float) mean[j])/
                        (float) sigma[j];
                        }       
                for(ipat=0;ipat<PAT.Npat[1];ipat++)
                        {
                        PAT.Rin[1][ipat][j] =
                        (PAT.Rin[1][ipat][j]-(float) mean[j])/
                        (float) sigma[j];
                        }       
                }
        
        free(mean);
        free(sigma);
        free(minimum);
        free(maximum);  
        if(NET.Debug>=1) printf("\n");
        return 0;
}
void PrintWeights ( )

Definition at line 2166 of file mlp_gen.cc.

References i, and NET.

Referenced by MLP_Epoch().

{
        int ilayer,ineur,i;

        for(ilayer=1; ilayer<NET.Nlayer; ilayer++)
                {
                if(MessLang==1) 
                        {
                        printf("Couche %d\n",ilayer);
                        }
                else
                        {
                        printf("Layer %d\n",ilayer);
                        }
                for(ineur=0; ineur<NET.Nneur[ilayer]; ineur++)
                        {
                        if(MessLang==1) 
                                {
                                printf("Neurone %d",ineur);
                                }
                        else
                                {
                                printf("Neuron %d",ineur);
                                }
                        for(i=0; i<=NET.Nneur[ilayer-1]; i++)
                                {
                                printf(" %f",
                                        (double) NET.Weights[ilayer][ineur][i]);
                                }
                        printf("\n");
                        }
                printf("\n");
                }
}
int ReadPatterns ( char *  filename,
int  ifile,
int *  inet,
int *  ilearn,
int *  iexamples 
)

Definition at line 2227 of file mlp_gen.cc.

References AllocPatterns(), CLEN, CountLexemes(), DIVERS, GetNetStructure(), getnLexemes(), i, compare_using_db::ifile, prof2calltree::l, LEARN, geometryCSVtoXML::line, MLP_SetNet(), NET, nin, NLMAX, nout, np, AlCaHLTBitMon_ParallelJobs::p, PAT, ReadPatterns(), alignCSCRings::s, and indexGen::s2.

Referenced by ReadPatterns().

{
char s[CLEN], s2[CLEN], cc[6], cc2[6];
char otherfile[CLEN];
double p;
//int line,i,j;
int line,i;
//int l,ll,ipat,nmax,il,in,tf;
int l,ll,ipat,nmax;
int np=0;       /* nombre d'exemples */
int nin=0;      /* nombre d'entrees */
int nout=0;     /* nombre de sorties */
int npon=0;
int ntot, ierr;
//char **ss;
char **ss=0;
FILE *LVQpat;
int nlayer, nneur[NLMAX];

printf("\nLoading file %s\n",filename);
LVQpat=fopen(filename,"r");
if(LVQpat == 0) return -1;

line=0;

while(fgets(s,CLEN,LVQpat))
        {
        if(*s=='N')                                 
                {
                if(*(s+1)=='N')                 /* NNEU */
                        {
                        printf("Number of neurons %s",s);
                        *inet = 1;
                        sscanf(s,"%s %s",cc,s2);
                        ierr = GetNetStructure(s2,&nlayer,nneur);
                        if(ierr != 0) return ierr;
                        ierr = MLP_SetNet(&nlayer,nneur);
                        if(ierr != 0) return ierr;
                        }
                else
                        {       
                        sscanf(s,"%s %d",cc,&l);
                        if(*(cc+1)=='P')        /* NPAT */
                                {
                                np=l;
                                printf("Number of patterns %d\n",np);
                                }
                        else if(*(cc+1)=='I')   /* NINP */
                                {
                                nin=l;
                                PAT.Nin = nin;
                                printf("Number of inputs %d\n",nin);
                                }
                        else if(*(cc+1)=='O' && *(cc+2)=='U')   /* NOUT */
                                {
                                nout=l;
                                PAT.Nout = nout;
                                printf("Number of outputs %d\n",nout);
                                }
                        else if(*(cc+1)=='O' && *(cc+2)=='R')   /* NORM */
                                {
                                DIVERS.Norm=l;
                                if(l==1) printf("Normalize inputs\n");
                                }
/* obsolete datacard     NLAY */                        
                        else if(*(cc+1)=='L')   
                                {
                                printf("NLAY datacard is no longer needed\n");
                                }                               
                        else if(*(cc+1)=='E')   /* NEPO */ 
                                {
                                LEARN.Nepoch=l;
                                printf("Number of epochs %d\n",l);
                                }
                        else if(*(cc+1)=='R')   /* NRES */
                                {
                                LEARN.Nreset=l;
                                printf(
                                "Reset to steepest descent every %d epochs\n",
                                l);
                                }
                        }
                }
        else if(*s=='L')                
                {
                if(*(s+1)=='P')                 /* LPAR */
                        {
                        sscanf(s,"%s %le",cc,&p);
                        printf("Learning parameter %f\n",p);
                        LEARN.eta = (dbl) p;
                        }
                else if(*(s+1)=='M')            /* LMET */
                        {
                        *ilearn = 1;
                        sscanf(s,"%s %d",cc,&(LEARN.Meth));
                        printf("Learning method = ");
                        switch(LEARN.Meth)
                        {
                case 1: printf("Stochastic Minimization\n");
                        break;
                case 2: printf("Steepest descent with fixed step\n");
                        break;
                case 3: printf("Steepest descent with line search\n"); break;
                case 4: printf("Polak-Ribiere Conjugate Gradients\n"); break;
                case 5: printf("Fletcher-Reeves Conjugate Gradients\n");
                        break;
                case 6: printf("BFGS\n");
                        break;
                case 7: printf("Hybrid BFGS-linear\n");
                        break;
                default: printf("Error: unknown method\n"); break;
                }

                        }
                else if(*(s+1)=='T')    /* LTAU */
                        {
                        sscanf(s,"%s %lf",cc,&p);
                        printf("Tau %f\n",p);
                        LEARN.Tau = (dbl) p;
                        }
                else if(*(s+1)=='A')    /* LAMB */
                        {
                        sscanf(s,"%s %lf",cc,&p);
                        printf("Lambda %f\n",p);
                        LEARN.Lambda = (dbl) p;
                        }
                }
        else if(*s=='F')                
                {
                if(*(s+1)=='S')         /* FSPO */
                        {
                        sscanf(s,"%s %le",cc,&p);
                        printf("Flat spot elimination parameter %f\n",p);
                        LEARN.delta = (dbl) p;
                        }
                else if(*(s+1)=='I')    /* FILE */
                        {
                        sscanf(s,"%s %s",cc,otherfile);
                        ierr = ReadPatterns(otherfile,ifile, inet, ilearn, iexamples);
                        if(ierr != 0) return ierr;
                        }       
                }
        else if(*s=='M')                /* momentum */
                {
                sscanf(s,"%s %le",cc,&p);
                printf("Momentum term %f\n",p);
                LEARN.epsilon = (dbl) p;
                }               
        else if(*s=='O')                /* OUTx */
                {
                if(*(s+3)=='W')         /* OUTW */
                        {
                        sscanf(s,"%s %d",cc,&OutputWeights);
                        if(OutputWeights == 0)
                                {
                                printf("Never write file weights.out\n");
                                }
                        else if(OutputWeights == -1)
                                {
                                printf("Write weights to output file at the end\n");
                                }
                        else 
                                {
                                printf("Write weights to file every %d epochs\n",
                                        OutputWeights);
                                }
                        }
                else if(*(s+3)=='F')    /* OUTF */
                        {
                        sscanf(s,"%s %s",cc,cc2);
                        if(*cc2=='F' || *cc2=='C')
                                {
                                DIVERS.Outf = *cc2;
                                }
                        else
                                {
                        printf(" *** Error while loading file %s at line %s :",
                                filename,s);
                        printf(" unknown language\n");
                                }       
                        }
                else
                        {
                        printf(" *** Error while loading file %s at line %s\n",
                                filename,s);
                        }                                       
                }               
        else if(*s=='R')                /* RDWT */
                {
                sscanf(s,"%s %d",cc,&(NET.Rdwt));
                if(NET.Rdwt == 0)
                        {
                        printf("Random weights \n");
                        }
                else
                        {
                        printf("Read weights from file weights.in\n");
                        }       
                }               
        else if(*s=='S')                /* STAT */
                {
                sscanf(s,"%s %d",cc,&(DIVERS.Stat));
                }
/*      else if(*s=='T')                 TFUN 
                {
                sscanf(s,"%s %d %d %d",cc,&il,&in,&tf);
                SetTransFunc(il,in,tf);
                } */    
        else if(*s=='H')                /* HESS */
                {
                sscanf(s,"%s %d",cc,&(DIVERS.Ihess));
                }               
        else if(*s=='D')                
                {
                if(*(s+1)=='C')         /* DCAY */
                        {       
                        sscanf(s,"%s %le",cc,&p);
                        LEARN.Decay = p;
                        printf("Learning parameter decay %f\n",
                                                (double) LEARN.Decay);
                        }
                if(*(s+1)=='B')         /* DBIN */      
                        {       
                        sscanf(s,"%s %d",cc,&(DIVERS.Dbin));
                        printf("Fill histogram every %d epochs\n",DIVERS.Dbin);
                        }
                if(*(s+1)=='E')         /* DEBU */      
                        {       
                        sscanf(s,"%s %d",cc,&(NET.Debug));
                        printf("Debug mode %d\n",NET.Debug);
                        }
                }               
        else if(*s=='P')                /* POND */
                {
                npon = CountLexemes(s);
                if(npon==2) 
                        {
                        sscanf(s,"%s %d",cc,&(PAT.Iponde));
                        }
                else
                        {
                        ss = (char**) malloc((npon+1)*sizeof(char*)); 
                        for(i=0;i<=npon;i++)
                                ss[i]=(char*) malloc(40*sizeof(char));
                        getnLexemes(npon,s,ss);
                        sscanf(ss[1],"%d",&(PAT.Iponde));
                        for(i=2;i<npon;i++)
                            {   
                            sscanf(ss[i],"%le",&(PAT.Ponds[i-2]));
                            }
                        }
                if(PAT.Iponde==0) 
                        {
                        npon = 0;
                        }
                else
                        {
                        npon = 1;
                        }
                }               
        else if(*s=='#')                            /* comments */
                {
                }
        else                                        /* exemple itself */
                {
                if(np==0) return 1;
                if(nin==0) return 2;
                if(nout==0) return 3;
                

/* store number of exemples and allocate memory*/               
                if(line==0)
                        {
                        PAT.Npat[ifile] = np;
                        ierr = AllocPatterns(ifile,np,nin,nout,0);
                        if(ierr != 0) return ierr;
                        *iexamples = 1;
                        }

/* now get exemple */
                                
                line++;
                ll = (line-1)%2;
                ipat = (line-1)/2;
                /*              printf("Loading event \t %d\r",ipat);*/
/*              if(ipat>NPMAX) 
                        {
                        printf("Too many examples in file\n");
                        printf("Loading %d examples\n",NPMAX);
                        PAT.Npat[ifile] = NPMAX;
                        break;
                        }
*/                      
                
/* allocate the number of lines */
                
                if(line==1) 
                        {
                        
                        nmax = nin;
                        if(nout>nin) nmax=nout;
                        ss = (char**) malloc((nmax+1)*sizeof(char*));
                        if(ss == 0) return -111; 
                        for(i=0;i<=nmax;i++)
                                {
                                ss[i]=(char*) malloc(40*sizeof(char));
                                if(ss[i] == 0) return -111;
                                }
                        }
                        
                if(ll==0)    /* inputs */
                        {
                        getnLexemes(nin,s,ss);
                        for(i=0;i<nin;i++)
                                {
                                sscanf(ss[i],"%le",&p);
                                PAT.Rin[ifile][ipat][i] = (type_pat) p;
                                }
                        }
                else         /* answers */
                        {
                        ntot=nout+npon;
                        getnLexemes(ntot,s,ss);
                        for(i=0;i<ntot;i++)
                                {
                                sscanf(ss[i],"%le",&p);
                                if(i<nout)
                                        {
                                        PAT.Rans[ifile][ipat][i] = (type_pat) p;
                                        }
                                else
                                        {
                                        if(PAT.Iponde==1)
                                                {
                                                PAT.Pond[ifile][ipat] = 
                                                        (type_pat) p;
                                                }
                                        else
                                                {
                                                PAT.Pond[ifile][ipat] = 
                                                (type_pat) PAT.Ponds[(int) p -1];
                                                }
                                        }
                                }
                        }                               
                }
        }
        printf("%d examples loaded    \n\n",PAT.Npat[ifile]);
        fclose(LVQpat);
        return 0;
}
int SaveWeights ( char *  filename,
int  iepoch 
)

Definition at line 2970 of file mlp_gen.cc.

References i, and NET.

{
        FILE *W;
        int ilayer,ineur,i;

        W=fopen(filename,"w");
        if(W==0) return -1;
        
        fprintf(W,"# network structure ");
        for(ilayer=0; ilayer<NET.Nlayer; ilayer++)
                {
                fprintf(W,"%d ",NET.Nneur[ilayer]);
                }
                
        fprintf(W,"\n %d\n",iepoch);
        for(ilayer=1; ilayer<NET.Nlayer; ilayer++)
                {
                for(ineur=0; ineur<NET.Nneur[ilayer]; ineur++)
                        {
                        for(i=0; i<=NET.Nneur[ilayer-1]; i++)
                                {
                                fprintf(W," %1.15e\n",
                                (double) NET.Weights[ilayer][ineur][i]);
                                }
                        }
                }
        fclose(W);
        return 0;
}
void SetDefaultFuncs ( )

Definition at line 1226 of file mlp_gen.cc.

References recoMuon::in, and NET.

Referenced by MLP_SetNet().

{
    int il,in;
    for(il=0; il<NET.Nlayer; il++) {
       for(in=0; in<NET.Nneur[il]; in++) {
          NET.T_func[il][in] = 2; 
          if(il==NET.Nlayer-1) NET.T_func[il][in] = 1;
         }
      }

}
void SetLambda ( double  Wmax)

Definition at line 1947 of file mlp_gen.cc.

References LEARN, MLP_Test(), and NET.

Referenced by MLP_Epoch().

{
        dbl err;
        err = MLP_Test(0,0);
        LEARN.Alambda =
        LEARN.Lambda*err/(Wmax*Wmax*(dbl)(NET.Nneur[NET.Nlayer-2]+1));
}
int SetTransFunc ( int  layer,
int  neuron,
int  func 
)

Definition at line 1203 of file mlp_gen.cc.

References NET, and NLMAX.

{    
    if(layer>NLMAX) return(1);
/*    if(neuron>NMAX) return(2);*/
         
    NET.T_func[layer-1][neuron-1] = func;

    return(0); 
}                 
int ShuffleExamples ( int  n,
int *  index 
)

Definition at line 2100 of file mlp_gen.cc.

References a, i, MLP_Rand(), and n.

Referenced by MLP_Epoch(), and MLP_Stochastic().

{
        int i,ii,itmp;
        dbl a = (dbl) (n-1);
        
        for(i=0;i<n;i++)
                {
                ii = (int) MLP_Rand(0.,a);
                itmp = index[ii];
                index[ii] = index[i];
                index[i] = itmp;
                }
        return 0;
}
void SteepestDir ( )

Definition at line 1247 of file mlp_gen.cc.

References recoMuon::in, LEARN, and NET.

Referenced by MLP_Epoch().

{
        int il,in,jn;
        for(il=1; il<NET.Nlayer; il++)
                for(in=0; in<NET.Nneur[il]; in++)
                        for(jn=0; jn<=NET.Nneur[il-1]; jn++)
                                dir[il][in][jn] = -LEARN.DeDw[il][in][jn];
}
int StochStep ( )

Definition at line 968 of file mlp_gen.cc.

References eta(), recoMuon::in, LEARN, and NET.

Referenced by MLP_Epoch().

{
        int il, in1, in;
        dbl eta, eps, epseta;
    
                eta = -LEARN.eta;
                eps = LEARN.epsilon;
                epseta = eps/eta;
    for(il=NET.Nlayer-1; il>0; il--) {
                for(in1=0; in1<=NET.Nneur[il-1]; in1++) {

                /* compute delta weights */
        for(in=0; in<NET.Nneur[il]; in++) {
                        LEARN.Odw[il][in][in1] = eta * (LEARN.DeDw[il][in][in1]
                         + epseta * LEARN.Odw[il][in][in1]);
                        NET.Weights[il][in][in1] += LEARN.Odw[il][in][in1];
                }
                
        }       
        }       

    return(0); 
}                 
int StochStepHyb ( )

Definition at line 929 of file mlp_gen.cc.

References eta(), recoMuon::in, LEARN, MLP_ResLin(), and NET.

{
        int il, in1, in;
        dbl eta, eps;
    
        eta = LEARN.eta;
        eps = LEARN.epsilon;
    for(il=NET.Nlayer-2; il>0; il--) {

        for(in=0; in<NET.Nneur[il]; in++) {

                /* compute delta weights */
                for(in1=0; in1<=NET.Nneur[il-1]; in1++) {
                        LEARN.Odw[il][in][in1] = -eta * LEARN.DeDw[il][in][in1]
                         + eps * LEARN.Odw[il][in][in1];
                }
                
                /* update weights */
                for(in1=0; in1<=NET.Nneur[il-1]; in1++) {
                        NET.Weights[il][in][in1] += LEARN.Odw[il][in][in1];
                }
        }       
        }       
    MLP_ResLin();
    return(0); 
} 

Variable Documentation

Definition at line 62 of file mlp_gen.h.