/**
* Export midi notes of data instance into midifile, needs external program midiconvert
*
* @param lpsFilename Name of file to export
* @param iSst Pointer to instance to export
* @param lpsFiletype Type of file to export
* @return <code>O_K</code> if successful, a (negative) error code otherwise
*/
INT16 CGEN_PROTECTED CDlpFile_Midi_ExportMidi
(
CDlpFile* _this,
const char* lpsFilename,
CDlpObject* iSrc,
const char* lpsFiletype
)
{
char lpsTempFile[L_PATH];
char lpsCmdline [3*L_PATH] = "";
INT16 nErr =O_K;
strcpy(lpsTempFile,dlp_tempnam(NULL,"dlabpro_midi_export"));
sprintf(lpsCmdline,"midiconvert %s %s", lpsTempFile, lpsFilename);
CData *idSrc = AS(CData,iSrc);
CData_InsertRecs(idSrc, 0, 1, 1);
CData_Dstore(idSrc, CData_GetDescr(idSrc,DESCR0),0,5);
IF_NOK(CDlpFile_ExportAsciiFromData(_this,lpsTempFile,iSrc,"csv"))
nErr = IERROR(iSrc,FIL_EXPORT,lpsTempFile,"csv",0);
CData_DeleteRecs(idSrc,0,1);
if (system(lpsCmdline)!=0) { nErr=IERROR(_this,FIL_EXEC,lpsCmdline,0,0); }
if (remove(lpsTempFile)==-1) nErr=IERROR(_this,FIL_REMOVE,"temporary ",lpsTempFile,0);
/* Clean up */
return nErr;
}
/**
* Fills a data table with the sample size (frequency) or the estimated a-priori
* probability of the classes.
*
* @param _this
* Pointer to this CStatistics instance
* @param idDst
* Pointer to the destination data instance
* @param bProb
* If <code>TRUE</code> the method estimates class a-priori
* probabilities otherwise it stores the classes' sample sizes
* @return <code>O_K</code> if successsfull, a (negative) error code otherwise
*/
INT16 CGEN_PUBLIC CStatistics_FreqEx
(
CStatistics* _this,
CData* idDst,
BOOL bProb
)
{
INT32 c = 0; /* Class loop counter */
INT32 C = 0; /* Number of statistics classes */
INT32 nTsz = 0; /* Total sample size */
FLOAT64* lpSsz = NULL; /* Pointer to class' c sample size */
/* Validate */ /* --------------------------------- */
if (!idDst) return IERROR(_this,ERR_NULLARG,"idDst",0,0); /* Check output data instance */
CData_Reset(idDst,TRUE); /* Clear destination instance */
CHECK_THIS_RV(NOT_EXEC); /* Check this pointer */
IF_NOK(CStatistics_Check(_this)) /* Check instance data */
return IERROR(_this,STA_NOTSETUP," ( use -status for details)",0,0); /* ... */
/* Initialize */ /* --------------------------------- */
C = CStatistics_GetNClasses(_this); /* Get number of statistics classes */
CData_Array(idDst,T_DOUBLE,1,C); /* Allocate output data instance */
CData_SetNBlocks(idDst,C); /* Set block number */
if (!CData_XAddr(idDst,0,0)) return IERROR(_this,ERR_NOMEM,0,0,0); /* Should have been successfull ... */
/* Store sample sizes / estimated a-rpior probabilities */ /* --------------------------------- */
nTsz = bProb ? CStatistics_GetNSamples(_this) : 1; /* Get frequency divident */
for (c=0; c<C; c++) /* Loop over classes */
{ /* >> */
DLPASSERT((lpSsz = CStatistics_GetPtr(_this,c,STA_DAI_SSIZE))); /* Get ptr. to class' c sample size*/
CData_Dstore(idDst,lpSsz[0]/(FLOAT64)nTsz,c,0); /* Store sample size of class c */
} /* << */
return O_K;
}
/* DP decoder backtrack function
*
* This function performes the backtracking after decoding.
*
* @param glob Pointer to the global memory structure
* @param itDst Destination transducer for backtracking
* @return <code>NULL</code> if successfull, the error string otherwise
*/
const char *fsts_sdp_backtrack(struct fsts_glob *glob,CFst *itDst){
INT32 gwi;
CDlpObject_Copy(BASEINST(itDst),BASEINST(((CFst*)glob->algo)));
if((gwi=CData_FindComp(AS(CData,itDst->ud),"~GW"))<0){
CData_AddComp(AS(CData,itDst->ud),"~GW",T_DOUBLE);
gwi=CData_GetNComps(AS(CData,itDst->ud))-1;
}
CData_Dstore(AS(CData,itDst->ud),itDst->m_nGw,0,gwi);
return NULL;
}
/*
* Manual page at statistics.def
*/
INT16 CGEN_PUBLIC CStatistics_Merge(CStatistics* _this, CStatistics* iSrc)
{
INT32 nB = 0; /* Current block */
INT32 nC = 0; /* Current component */
INT32 nR = 0; /* Current record */
INT32 nXB = 0; /* Number of statistics blocks */
INT32 nXC = 0; /* Number of components */
INT32 nXR = 0; /* Number of records per block */
FLOAT64 nVal = 0.; /* Merged statistics value */
FLOAT64 nVal1 = 0.; /* Statistics value of this instance */
FLOAT64 nVal2 = 0.; /* Statistics value of source inst. */
/* Initialize */ /* --------------------------------- */
CHECK_THIS_RV(NOT_EXEC); /* Check this instance */
if (_this==iSrc) return O_K; /* Nothing to be done */
IF_NOK(CStatistics_Check(iSrc)) /* Check source statistics */
return IERROR(_this,ERR_INVALARG,"iSrc",0,0); /* ... */
/* Check-up */ /* --------------------------------- */
nXB = CData_GetNBlocks (AS(CData,_this->m_idDat)); /* Get number of statistics blocks */
nXC = CData_GetNComps (AS(CData,_this->m_idDat)); /* Get number of components */
nXR = CData_GetNRecsPerBlock(AS(CData,_this->m_idDat)); /* Get number of records per block */
if /* Instances incompatible if ... */
( /* | */
nXB != CData_GetNBlocks (AS(CData,iSrc->m_idDat)) || /* | ... no. of blocks mismatch OR */
nXC != CData_GetNComps (AS(CData,iSrc->m_idDat)) || /* | ... no. of comps. mismatch OR */
nXR != CData_GetNRecsPerBlock(AS(CData,iSrc->m_idDat)) /* | ... no. of records mismatch */
) /* | */
{ /* >> */
return IERROR(_this,STA_INCOMPAT,0,0,0); /* So sorry ... */
} /* << */
/* Do merge */ /* --------------------------------- */
for (nB=0; nB<nXB; nB++) /* Loop over blocks */
for (nR=0; nR<nXR; nR++) /* Loop over records of block */
for (nC=0; nC<nXC; nC++) /* Loop over components */
{ /* >> */
nVal1 = CData_Dfetch(AS(CData,_this->m_idDat),nB*nXR+nR,nC); /* Get value from this */
nVal2 = CData_Dfetch(AS(CData,iSrc ->m_idDat),nB*nXR+nR,nC); /* Get value from source */
switch (nR) /* Depending on value type */
{ /* >> */
case STA_DAI_MIN: nVal = MIN(nVal1,nVal2); break; /* Aggregate minimums */
case STA_DAI_MAX: nVal = MAX(nVal1,nVal2); break; /* Aggregate maximums */
default : nVal = nVal1+nVal2; break; /* Aggregate all other */
} /* << */
CData_Dstore(AS(CData,_this->m_idDat),nVal,nB*nXR+nR,nC); /* Store merged value */
} /* << */
/* Aftermath */ /* --------------------------------- */
return O_K; /* Everything's ok */
}
/*
* Manual page at statistics.def
*/
INT16 CGEN_PUBLIC CStatistics_Pool
(
CStatistics* _this,
CStatistics* iSrc,
CData* idMap
)
{
INT32 i = 0; /* Current component index */
INT32 nC = 0; /* Current pooled statistics class */
INT32 nCs = 0; /* Current source class index */
INT32 nXC = 0; /* Number of pooled classes */
INT32 nRpb = 0; /* Statistics raw data block size */
INT16 nCheckSave = 0; /* Saved check level */
CData* idAux = NULL; /* Auxilary data instance #1 */
CData* idPmp = NULL; /* Pooling map */
CData* idPcd = NULL; /* Pooled class raw data buffer */
/* Initialize */ /* --------------------------------- */
CHECK_THIS_RV(0); /* Check this instance */
IF_NOK(CStatistics_Check(iSrc)) /* Check source statistics */
return IERROR(_this,ERR_INVALARG,"iSrc",0,0); /* ... */
nCheckSave = _this->m_nCheck; /* Save check level */
CStatistics_Reset(BASEINST(_this),TRUE); /* Reset destination */
_this->m_nCheck = nCheckSave; /* Restore check level */
IFIELD_RESET(CData,"dat"); /* Create pool raw stats. data inst. */
/* Protocol */ /* --------------------------------- */
IFCHECK /* On verbose level 1 */
{ /* >> */
printf("\n"); dlp_fprint_x_line(stdout,'-',dlp_maxprintcols()); /* Print protocol header */
printf("\n statistics -pool"); /* ... */
printf("\n"); dlp_fprint_x_line(stdout,'-',dlp_maxprintcols());printf("\n");/* ... */
} /* << */
/* No map --> pool all classes */ /* --------------------------------- */
if (CData_IsEmpty(idMap)) /* NULL or empty map instance */
{ /* >> */
IFCHECK printf("\n Empty pooling map --> pool all classes"); /* Protocol (verbose level 1) */
CStatistics_PoolInt(_this->m_idDat,iSrc->m_idDat,0); /* Pool sum data */
CStatistics_PoolInt(_this->m_idDat,iSrc->m_idDat,1); /* Pool min data */
CStatistics_PoolInt(_this->m_idDat,iSrc->m_idDat,2); /* Pool max data */
STA_PROTOCOL_FOOTER(1,"done"); /* Print protocol footer */
return O_K; /* That's it */
}
IFCHECK printf("\n Pooling by map"); /* Protocol (verbose level 1) */
ICREATEEX(CData,idAux,"CStatistics_Pool.~idAux",NULL); /* Create auxilary data instance #1 */
ICREATEEX(CData,idPmp,"CStatistics_Pool.~idPmp",NULL); /* Create pooling map */
ICREATEEX(CData,idPcd,"CStatistics_Pool.~idPcs",NULL); /* Create pooled raw stats.data inst.*/
/* Find and copy map component (pooled class) */ /* --------------------------------- */
for (i=0; i<CData_GetNComps(idMap); i++) /* Loop over components of idMap */
if (dlp_is_numeric_type_code(CData_GetCompType(idMap,i))) /* Is current component numeric? */
{ /* >> (Yes) */
CData_SelectComps(idPmp,idMap,i,1); /* Copy component */
break; /* Have ready :) */
} /* << */
if (CData_IsEmpty(idPmp)) /* Have not got map component */
{ /* >> */
IERROR(_this,STA_BADCOMP,"map",BASEINST(idMap)->m_lpInstanceName,"numeric");/* Error message */
DLPTHROW(STA_BADCOMP); /* Throw exception */
} /* << */
/* Create source class component */ /* --------------------------------- */
CData_AddComp(idPmp,"srcc",T_LONG); /* Add source class index component */
for (i=0; i<CData_GetNRecs(idPmp); i++) CData_Dstore(idPmp,i,i,1); /* Fill it */
/* Finish pooling map and initialize pooling */ /* --------------------------------- */
CData_Sortup(idPmp,idPmp,0); /* Sort map by pooled class index */
nXC = (INT32)CData_Dfetch(idPmp,CData_GetNRecs(idPmp)-1,0)+1; /* Get greatest pooled class index */
IFCHECK printf("\n Pooling %ld statistics classes",(long)nXC); /* Protocol (verbose level 1) */
IFCHECKEX(3) CData_Print(idPmp); /* Print pooling map (verbose lvl.3) */
nRpb = CData_GetNRecsPerBlock(iSrc->m_idDat); /* Get block size */
/* Prepare pooled statistics */ /* --------------------------------- */
CData_Scopy(_this->m_idDat,iSrc->m_idDat); /* Create target raw data components */
CData_Allocate(_this->m_idDat,nRpb*nXC); /* Allocate target raw data */
CData_SetNBlocks(_this->m_idDat,nXC); /* Set target statistics block number*/
/* Pooling loop */ /* --------------------------------- */
for (i=0; i<CData_GetNRecs(idPmp); ) /* Loop over pooling map */
{ /* >> */
/* - Copy raw statistics data of one pooled class */ /* - - - - - - - - - - - - - - - - */
nC = (INT32)CData_Dfetch(idPmp,0,0); /* Get pooled class index */
IFCHECK printf("\n Pooled class %3ld"); /* Protocol (verbose level 1) */
for (i=0; i<CData_GetNRecs(idPmp); i++) /* Loop over partition of pool.map */
{ /* >> */
if (nC != (INT32)CData_Dfetch(idPmp,0,0)) break; /* Not the current class anymore */
nCs = (INT32)CData_Dfetch(idPmp,i,1); /* Get source class index */
IFCHECK printf("\n - Source class %3ld",nCs); /* Protocol (verbose level 1) */
CData_SelectBlocks(idAux,iSrc->m_idDat,nCs,1); /* Copy raw stats. data block */
CData_Cat(idPcd,idAux); /* Append to buffer */
} /* << */
/* - Pool data */ /* - - - - - - - - - - - - - - - - */
CData_SetNBlocks(idPcd,CData_GetNRecs(idPcd)/nRpb); /* Set block count of aggr. buffer */
IFCHECK /* Protocol (verbose level 1) */
printf("\n - Aggregating %ld statistics classes", /* | */
(long)CData_GetNBlocks(idPcd)); /* | */
CStatistics_PoolInt(idAux,idPcd,0); /* Pool sum data */
CStatistics_PoolInt(idAux,idPcd,1); /* Pool min data */
CStatistics_PoolInt(idAux,idPcd,2); /* Pool max data */
/* - Store pooled raw statistics data block */ /* - - - - - - - - - - - - - - - - */
dlp_memmove /* Copy pooled raw stats. data */
( /* | */
CData_XAddr(_this->m_idDat,nC*nRpb,0), /* | To target statistics block */
CData_XAddr(idAux,0,0), /* | From aggregation buffer */
CData_GetNRecs(idAux)*CData_GetRecLen(idAux) /* | Length of aggregation buffer */
); /* | */
/* - Clean up auxilary instances */ /* - - - - - - - - - - - - - - - - */
CData_Reset(idPcd,TRUE); /* Clear aggregation buffer */
}
/* Clean up */ /* --------------------------------- */
IDESTROY(idAux); /* Destroy auxilary data instance #1 */
IDESTROY(idPmp); /* Destroy pooling map */
IDESTROY(idPcd); /* Destroy pooled cls. raw data inst.*/
STA_PROTOCOL_FOOTER(1,"done"); /* Print protocol footer */
return O_K; /* Ok */
DLPCATCH(STA_BADCOMP) /* == Catch STA_BADCOMP exception */
IDESTROY(idAux); /* Destroy auxilary data instance #1 */
IDESTROY(idPmp); /* Destroy pooling map */
IDESTROY(idPcd); /* Destroy pooled cls. raw data inst.*/
STA_PROTOCOL_FOOTER(1,"FAILED"); /* Print protocol footer */
return NOT_EXEC; /* Not ok */
}
/*
* Manual page at fst_man.def
*/
INT16 CGEN_PUBLIC CFst_Rcs(CFst* _this, INT32 nUnit, FLOAT64 nSeed)
{
#ifdef __UNENTANGLE_FST
return IERROR(_this,FST_INTERNAL,__FILE__,__LINE__,0);
/* NOTE: __UNENTANGLE_FST was defined (probably in dlp_config.h or fst.def).
* Undefine it to use this feature!
*/
#else /* #ifdef __UNENTANGLE_FST */
INT32 nU = 0; /* Current unit */
FST_ITYPE nS = 0; /* Current state */
FST_ITYPE nS2 = 0; /* Current state */
FST_ITYPE nFS = 0; /* First state of current unit */
FST_ITYPE nXS = 0; /* Number of states of current unit */
FST_ITYPE nT = 0; /* Current transition */
FST_ITYPE nFT = 0; /* First transition of current unit */
FST_ITYPE nXT = 0; /* Number of tran. of current unit */
CData* idP = NULL; /* Incidence matrix */
CData* idB = NULL; /* Constanct vector of (idP-E)idX=idB */
CData* idI = NULL; /* idI = (idP-E)^-1 */
CData* idX = NULL; /* Solution of (idP-E)idX=idB */
FST_WTYPE nPSum = 0.; /* Probability sum/state */
INT32 nIcW = -1; /* Index of probability comp. in td */
INT32 nIcRcs = -1; /* Index of ref. counter comp. in sd */
INT32 nIcRct = -1; /* Index of ref. counter comp. in td */
/* Validation */
CHECK_THIS_RV(NOT_EXEC);
CFst_Check(_this);
if (CFst_Wsr_GetType(_this,&nIcW)!=FST_WSR_PROB)
return IERROR(_this,FST_MISS,"transition probability component",NC_TD_PSR,"transition table");
/* Initialize - Find or add reference counters */
nIcRcs = CData_FindComp(AS(CData,_this->sd),NC_SD_RC);
nIcRct = CData_FindComp(AS(CData,_this->td),NC_TD_RC);
if (nIcRcs<0)
{
CData_AddComp(AS(CData,_this->sd),NC_SD_RC,DLP_TYPE(FST_WTYPE));
nIcRcs = CData_GetNComps(AS(CData,_this->sd))-1;
}
if (nIcRct<0)
{
CData_AddComp(AS(CData,_this->td),NC_TD_RC,DLP_TYPE(FST_WTYPE));
nIcRct = CData_GetNComps(AS(CData,_this->td))-1;
}
/* Initialize - Create auxilary instances */
ICREATEEX(CData,idP,"~CFst_Reverse.idP",NULL);
ICREATEEX(CData,idB,"~CFst_Reverse.idB",NULL);
ICREATEEX(CData,idI,"~CFst_Reverse.idI",NULL);
ICREATEEX(CData,idX,"~CFst_Reverse.idX",NULL);
/* Loop over units */
for (nU=nUnit<0?0:nUnit; nU<UD_XXU(_this); nU++)
{
CData_Reset(BASEINST(idP),TRUE);
CData_Reset(BASEINST(idB),TRUE);
CData_Reset(BASEINST(idI),TRUE);
CData_Reset(BASEINST(idX),TRUE);
nFS = UD_FS(_this,nU);
nXS = UD_XS(_this,nU);
nFT = UD_FT(_this,nU);
nXT = UD_XT(_this,nU);
/* Export transposed ergodic incidence matrix */
IF_NOK(CData_AddNcomps(idP,DLP_TYPE(FST_WTYPE),UD_XS(_this,nU)+1)) break;
IF_NOK(CData_Allocate (idP,UD_XS(_this,nU)+1) ) break;
IF_NOK(CData_AddNcomps(idB,DLP_TYPE(FST_WTYPE),1 )) break;
IF_NOK(CData_Allocate (idB,UD_XS(_this,nU)+1) ) break;
/* Fill transposed incidence matrix
(summing up probabilities of parallel transitions) */
for (nT=nFT; nT<nFT+nXT; nT++)
*(FST_WTYPE*)CData_XAddr(idP,TD_TER(_this,nT),TD_INI(_this,nT)) +=
*(FST_WTYPE*)CData_XAddr(AS(CData,_this->td),nT,nIcW);
for (nS=0; nS<nXS; nS++)
{
if ((SD_FLG(_this,nS+nFS)&0x01)==0x01) /* Connect final states with start state */
{
for (nS2=1, nPSum=0.; nS2<nXS; nS2++)
nPSum += *(FST_WTYPE*)CData_XAddr(idP,nS2,nS);
*(FST_WTYPE*)CData_XAddr(idP,0,nS) = 1.-nPSum;
}
*(FST_WTYPE*)CData_XAddr(idP,nS,nS)-=1.; /* Subtract eigenvalue 1 from main diagonal */
*(FST_WTYPE*)CData_XAddr(idP,nXS,nS)=1.; /* Additional equation implementing constraint sum(P_state)=1 */
*(FST_WTYPE*)CData_XAddr(idP,nS,nXS)=1.; /* Additional variable making incidence matrix quadratic */
}
/* Fill constant vector */
CData_Fill(idB,CMPLX(1.),CMPLX(0.));
/* Calculate eigenvector of length 1 and eigenvalue 1
--> stationary state probabilities */
CMatrix_Op(idI,idP,T_INSTANCE,NULL,T_IGNORE,OP_INVT);
CMatrix_Op(idX,idB,T_INSTANCE,idI,T_INSTANCE,OP_MULT);
/* Fill in state reference counters */
if (nSeed>0.) nSeed /= CData_Dfetch(idX,0,0); else nSeed = 1.;
for (nS=0; nS<nXS; nS++)
CData_Dstore(AS(CData,_this->sd),nSeed*CData_Dfetch(idX,nS,0),nS+nFS,nIcRcs);
/* Calculate stationary transition probabilities */
for (nT=nFT; nT<nFT+nXT; nT++)
CData_Dstore
(
AS(CData,_this->td),
CData_Dfetch(AS(CData,_this->sd),TD_INI(_this,nT)+nFS,nIcRcs) *
CData_Dfetch(AS(CData,_this->td),nT,nIcW),
nT,nIcRct
);
/* Clean up */
IDESTROY(idP);
IDESTROY(idB);
IDESTROY(idI);
IDESTROY(idX);
/* Stop in single unit mode */
if (nUnit>=0) break;
}
return O_K;
#endif /* #ifdef __UNENTANGLE_FST */
}
/*
* Manual page at fst_man.def
*/
INT16 CGEN_PUBLIC CFst_Probs(CFst* _this, INT32 nUnit)
{
INT32 nU = 0; /* Current unit */
FST_ITYPE nS = 0; /* Current state */
FST_ITYPE nT = 0; /* Current transition */
FST_ITYPE nXS = 0; /* Number of states in current unit */
INT16 nWsrt = 0; /* Weight semiring type */
INT32 nIcW = -1; /* Weight component in td */
INT32 nIcPfl = -1; /* Floor probability component in sd */
INT32 nIcRct = -1; /* Reference counter component in td */
INT32 nTrCnt = 0; /* Number of outgoing trans./state */
FST_WTYPE nW = 0.; /* Current weight */
FST_WTYPE nRc = 0.; /* Current reference counter/prob. */
FST_WTYPE nRcSum = 0.; /* Reference counter sum/state */
FST_WTYPE nTW = 0.; /* trans.weight */
FST_WTYPE nTWAgg = 0.; /* trans.weight aggregator for MAP */
CData* idTd = NULL; /* Pointer to transition table */
FST_TID_TYPE* lpTI = NULL; /* Automaton iterator data structure */
BYTE* lpT = NULL; /* Current transition (iteration) */
FST_WTYPE nMAP = _this->m_bUsemap ? _this->m_nMapexp : 0.; /* MAP exponent (0:off,1:min,-1:max) */
INT32 nMAPi = 0; /* MAP iteration index */
/* Validation */ /* --------------------------------- */
CHECK_THIS_RV(NOT_EXEC); /* Check this pointer */
CFst_Check(_this); /* Check FST(s) */
/* Initialize */ /* --------------------------------- */
idTd = AS(CData,_this->td); /* Get pointer to transition table */
nIcRct = CData_FindComp(AS(CData,_this->td),NC_TD_RC); /* Find reference counters */
nWsrt = CFst_Wsr_GetType(_this,&nIcW); /* Find weights and get type */
switch (nWsrt) /* branch for weight semiring type */
{ /* >> */
case FST_WSR_NONE: /* No weights */
CData_AddComp(idTd,NC_TD_PSR,DLP_TYPE(FST_WTYPE)); /* Add some */
nIcW = CData_GetNComps(idTd)-1; /* Get index of new weight comp. */
for (nT=0; nT<UD_XXT(_this); nT++) /* Initialize probabilities */
CData_Dstore(idTd,1.,nT,nIcW); /* ... */
break; /* * */
case FST_WSR_PROB: /* Probabilities */
break; /* * (nothing to be done) */
case FST_WSR_TROP: /* fall through */ /* Tropical weights */
case FST_WSR_LOG: /* Logarithmic weights */
for (nT=0; nT<UD_XXT(_this); nT++) /* Loop over all transitions */
CData_Dstore(idTd, /* Convert to probabilities */
exp(-1.*CData_Dfetch(idTd,nT,nIcW)),nT,nIcW); /* | */
break; /* * */
default: /* Unknown weight semiring */
DLPASSERT(FMSG("Unknown weight semiring")); /* New weight semiring type? */
CData_SetCname(idTd,nIcW,NC_TD_PSR); /* Rename to probabilities */
for (nT=0; nT<UD_XXT(_this); nT++) /* Initialize probabilities */
CData_Dstore(idTd,1.,nT,nIcW); /* ... */
} /* << */
if (_this->m_nSymbols>0 && _this->m_nRcfloor>0.) /* Smoothing enabled */
{ /* >> */
if (CData_FindComp(AS(CData,_this->sd),"~PFL")<0) /* No floor prob. comp. at states */
CData_AddComp(AS(CData,_this->sd),"~PFL",DLP_TYPE(FST_WTYPE)); /* Add it */
nIcPfl = CData_FindComp(AS(CData,_this->sd),"~PFL"); /* Get index of floor prob. comp. */
} /* << */
/* Loop over units */ /* --------------------------------- */
for (nU=nUnit<0?0:nUnit; nU<UD_XXU(_this); nU++) /* For all units ... */
{ /* >> */
lpTI = CFst_STI_Init(_this,nU,FSTI_SORTINI); /* Get sorted transition iterator */
/* Loop over states */ /* - - - - - - - - - - - - - - - - */
for (nS=0,nXS=UD_XS(_this,nU); nS<nXS; nS++) /* For all states of the unit ... */
/* Loop over MAP-Iterations if MAP enabled */ /* - - - - - - - - - - - - - - - - */
for(nMAPi=0;nMAPi<(nMAP!=0.?10:1);nMAPi++) /* For all MAP-iterations ... */
{ /* >> */
/* Pass 1: Count outgoing transitions and sum up reference counters */ /* */
nRcSum = 0.; /* Reset ref. ctr. accumulator */
nTWAgg = 0.; /* Reset MAP TW accumulator */
nTrCnt = 0; /* Reset transition counter */
lpT = NULL; /* Initialize transition pointer */
while ((lpT=CFst_STI_TfromS(lpTI,nS,lpT))!=NULL) /* Enumerate transitions at nS */
{ /* >> */
nRc = nIcRct>=0 /* Get ref. ctr. or prob. */
? CData_Dfetch(idTd,CFst_STI_GetTransId(lpTI,lpT),nIcRct) /* | */
: *CFst_STI_TW(lpTI,lpT); /* | */
if (nRc>=0.) nRcSum+=nRc; /* Accumulate non-neg. values */
if (nMAP!=0. && nRc>0.) /* if MAP enabled and T. used */
{ /* >> */
nTW = *CFst_STI_TW(lpTI,lpT); /* get trans.weight */
if(nTW<=0.) nTW=0.0001; /* solve prob. with 0 TW's */
nTWAgg += nTW*log(nTW); /* acc. TW's */
} /* << */
nTrCnt++; /* Count transitions */
} /* << */
if (nIcPfl) /* Smoothing eneabled */
CData_Dstore(AS(CData,_this->sd), /* Store floor probability */
_this->m_nRcfloor / (nRcSum + _this->m_nSymbols*_this->m_nRcfloor), /* | */
nS,nIcPfl); /* | */
/* */
/* Pass 2: Calculate probabilities */ /* */
if (nTrCnt) /* If there were trans. at nS */
{ /* >> */
lpT = NULL; /* Initialize transition ptr. */
while ((lpT=CFst_STI_TfromS(lpTI,nS,lpT))!=NULL) /* Enumerate transitions at nS */
{ /* >> */
nRc = nIcRct>=0 /* Get ref. ctr. or prob. */
? CData_Dfetch(idTd,CFst_STI_GetTransId(lpTI,lpT),nIcRct) /* | */
: *CFst_STI_TW(lpTI,lpT); /* | */
if (nMAP!=0.) /* if MAP enabled */
{ /* << */
nTW = *CFst_STI_TW(lpTI,lpT); /* get trans.weight */
if(nTW<=0.) nTW=0.0001; /* solve prob. with 0 TW's */
if(nIcRct>=0 && _this->m_nSymbols>0 && _this->m_nRcfloor>0) /* do jeffrey smooth? */
nRc = nRcSum * (nRc + (FST_WTYPE)_this->m_nRcfloor) / /* smooth nRc */
(nRcSum + ((FST_WTYPE)_this->m_nSymbols*_this->m_nRcfloor)); /* | */
nTW = (nRc<=0. ? 0. : (nRc+nMAP*nTW*log(nTW))/(nRcSum+nMAP*nTWAgg));/* do MAP-iteration */
*CFst_STI_TW(lpTI,lpT) = nTW; /* write trans.weight */
} /* >> */
else /* else */
if (nIcRct<0 || _this->m_nSymbols<=0 || _this->m_nRcfloor<=0.) /* No ref.ctrs. or smoothing */
*CFst_STI_TW(lpTI,lpT) = /* Store equally distrib. */
nRcSum==0. ? 1./(FST_WTYPE)nTrCnt : nRc/nRcSum; /* | or renormalized probs.*/
else /* Ref. ctrs. or smoothing */
*CFst_STI_TW(lpTI,lpT) = /* Store Jeffrey smoothed */
(nRc + (FST_WTYPE)_this->m_nRcfloor) / /* | probabilities */
(nRcSum + ((FST_WTYPE)_this->m_nSymbols*_this->m_nRcfloor)); /* | */
} /* << */
} /* << */
} /* << */
CFst_STI_Done(lpTI); /* Destroy iterator */
if (nUnit>=0) break; /* Stop in single unit mode */
} /* << */
/* Convert back to logarithmic/tropical weights */ /* --------------------------------- */
if (nWsrt==FST_WSR_LOG || nWsrt==FST_WSR_TROP) /* Loarithmic or tropical weights */
for (nT=0; nT<UD_XXT(_this); nT++) /* Loop over all transitions */
{ /* >> */
nW = CData_Dfetch(idTd,nT,nIcW); /* Get probability */
nW = nW>0. ? -log(nW) : _this->m_nWceil; /* Convert to log./trop. weight */
CData_Dstore(idTd,nW,nT,nIcW); /* Store weight */
} /* << */
/* Clean up */ /* --------------------------------- */
return O_K; /* The end */
}