int main(int argc, char *argv[]){
/* LALStatus pointer */
static LALStatus status;
/* time and velocity */
static LIGOTimeGPSVector timeV;
static REAL8Cart3CoorVector velV;
static REAL8Vector timeDiffV;
LIGOTimeGPS firstTimeStamp;
/* standard pulsar sft types */
MultiSFTVector *inputSFTs = NULL;
UINT4 binsSFT;
UINT4 sftFminBin;
UINT4 numsft;
INT4 k;
FILE *fp=NULL;
/* information about all the ifos */
MultiDetectorStateSeries *mdetStates = NULL;
UINT4 numifo;
/* vector of weights */
REAL8Vector weightsV;
/* ephemeris */
EphemerisData *edat=NULL;
static UCHARPeakGram pg1;
static HoughTemplate pulsarTemplate;
static REAL8Vector foft;
/* miscellaneous */
UINT4 mObsCoh;
REAL8 timeBase, deltaF;
REAL8 numberCount;
/* Chi2Test parameters */
HoughParamsTest chi2Params;
REAL8Vector numberCountV; /* Vector with the number count of each block inside */
REAL8 numberCountTotal; /* Sum over all the numberCounts */
REAL8 chi2;
/* sft constraint variables */
LIGOTimeGPS startTimeGPS, endTimeGPS;
LIGOTimeGPSVector *inputTimeStampsVector=NULL;
REAL8 alphaPeak, meanN, sigmaN;
/* user input variables */
BOOLEAN uvar_help, uvar_weighAM, uvar_weighNoise;
INT4 uvar_blocksRngMed, uvar_nfSizeCylinder, uvar_maxBinsClean;
REAL8 uvar_startTime, uvar_endTime;
REAL8 uvar_fStart, uvar_peakThreshold, uvar_fSearchBand;
REAL8 uvar_Alpha, uvar_Delta, uvar_Freq, uvar_fdot;
REAL8 uvar_AlphaWeight, uvar_DeltaWeight;
CHAR *uvar_earthEphemeris=NULL;
CHAR *uvar_sunEphemeris=NULL;
CHAR *uvar_sftDir=NULL;
CHAR *uvar_timeStampsFile=NULL;
CHAR *uvar_outfile=NULL;
LALStringVector *uvar_linefiles=NULL;
INT4 uvar_p;
/* Set up the default parameters */
/* LAL error-handler */
lal_errhandler = LAL_ERR_EXIT;
uvar_help = FALSE;
uvar_weighAM = TRUE;
uvar_weighNoise = TRUE;
uvar_blocksRngMed = BLOCKSRNGMED;
uvar_nfSizeCylinder = NFSIZE;
uvar_fStart = F0;
uvar_fSearchBand = FBAND;
uvar_peakThreshold = THRESHOLD;
uvar_maxBinsClean = 100;
uvar_startTime= 0;
uvar_endTime = LAL_INT4_MAX;
uvar_Alpha = 1.0;
uvar_Delta = 1.0;
uvar_Freq = 310.0;
uvar_fdot = 0.0;
uvar_AlphaWeight = uvar_Alpha;
uvar_DeltaWeight = uvar_Delta;
uvar_p = NBLOCKSTEST;
chi2Params.length=uvar_p;
chi2Params.numberSFTp=NULL;
chi2Params.sumWeight=NULL;
chi2Params.sumWeightSquare=NULL;
uvar_outfile = (CHAR *)LALCalloc( MAXFILENAMELENGTH , sizeof(CHAR));
strcpy(uvar_outfile, "./tempout");
uvar_earthEphemeris = (CHAR *)LALCalloc( MAXFILENAMELENGTH , sizeof(CHAR));
strcpy(uvar_earthEphemeris,EARTHEPHEMERIS);
uvar_sunEphemeris = (CHAR *)LALCalloc( MAXFILENAMELENGTH , sizeof(CHAR));
strcpy(uvar_sunEphemeris,SUNEPHEMERIS);
uvar_sftDir = (CHAR *)LALCalloc( MAXFILENAMELENGTH , sizeof(CHAR));
strcpy(uvar_sftDir,SFTDIRECTORY);
/* register user input variables */
LAL_CALL( LALRegisterBOOLUserVar( &status, "help", 'h', UVAR_HELP, "Print this message", &uvar_help), &status);
LAL_CALL( LALRegisterREALUserVar( &status, "fStart", 'f', UVAR_OPTIONAL, "Start search frequency", &uvar_fStart), &status);
LAL_CALL( LALRegisterREALUserVar( &status, "fSearchBand", 'b', UVAR_OPTIONAL, "Search frequency band", &uvar_fSearchBand), &status);
LAL_CALL( LALRegisterREALUserVar( &status, "startTime", 0, UVAR_OPTIONAL, "GPS start time of observation", &uvar_startTime), &status);
LAL_CALL( LALRegisterREALUserVar( &status, "endTime", 0, UVAR_OPTIONAL, "GPS end time of observation", &uvar_endTime), &status);
LAL_CALL( LALRegisterSTRINGUserVar( &status, "timeStampsFile", 0, UVAR_OPTIONAL, "Input time-stamps file", &uvar_timeStampsFile), &status);
LAL_CALL( LALRegisterREALUserVar( &status, "peakThreshold", 0, UVAR_OPTIONAL, "Peak selection threshold", &uvar_peakThreshold), &status);
LAL_CALL( LALRegisterBOOLUserVar( &status, "weighAM", 0, UVAR_OPTIONAL, "Use amplitude modulation weights", &uvar_weighAM), &status);
LAL_CALL( LALRegisterBOOLUserVar( &status, "weighNoise", 0, UVAR_OPTIONAL, "Use SFT noise weights", &uvar_weighNoise), &status);
LAL_CALL( LALRegisterSTRINGUserVar( &status, "earthEphemeris", 'E', UVAR_OPTIONAL, "Earth Ephemeris file", &uvar_earthEphemeris), &status);
LAL_CALL( LALRegisterSTRINGUserVar( &status, "sunEphemeris", 'S', UVAR_OPTIONAL, "Sun Ephemeris file", &uvar_sunEphemeris), &status);
LAL_CALL( LALRegisterSTRINGUserVar( &status, "sftDir", 'D', UVAR_REQUIRED, "SFT filename pattern", &uvar_sftDir), &status);
LAL_CALL( LALRegisterLISTUserVar( &status, "linefiles", 0, UVAR_OPTIONAL, "Comma separated List of linefiles (filenames must contain IFO name)",
&uvar_linefiles), &status);
LAL_CALL( LALRegisterREALUserVar( &status, "Alpha", 0, UVAR_OPTIONAL, "Sky location (longitude)", &uvar_Alpha), &status);
LAL_CALL( LALRegisterREALUserVar( &status, "Delta", 0, UVAR_OPTIONAL, "Sky location (latitude)", &uvar_Delta), &status);
LAL_CALL( LALRegisterREALUserVar( &status, "Freq", 0, UVAR_OPTIONAL, "Template frequency", &uvar_Freq), &status);
LAL_CALL( LALRegisterREALUserVar( &status, "fdot", 0, UVAR_OPTIONAL, "First spindown", &uvar_fdot), &status);
LAL_CALL( LALRegisterREALUserVar( &status, "AlphaWeight", 0, UVAR_OPTIONAL, "sky Alpha for weight calculation", &uvar_AlphaWeight), &status);
LAL_CALL( LALRegisterREALUserVar( &status, "DeltaWeight", 0, UVAR_OPTIONAL, "sky Delta for weight calculation", &uvar_DeltaWeight), &status);
LAL_CALL( LALRegisterINTUserVar( &status, "nfSizeCylinder", 0, UVAR_OPTIONAL, "Size of cylinder of PHMDs", &uvar_nfSizeCylinder), &status);
LAL_CALL( LALRegisterINTUserVar( &status, "blocksRngMed", 0, UVAR_OPTIONAL, "Running Median block size", &uvar_blocksRngMed), &status);
LAL_CALL( LALRegisterINTUserVar( &status, "maxBinsClean", 0, UVAR_OPTIONAL, "Maximum number of bins in cleaning", &uvar_maxBinsClean), &status);
LAL_CALL( LALRegisterSTRINGUserVar( &status, "outfile", 0, UVAR_OPTIONAL, "output file name", &uvar_outfile), &status);
LAL_CALL( LALRegisterINTUserVar( &status, "pdatablock", 'p', UVAR_OPTIONAL, "Number of data blocks for veto tests", &uvar_p), &status);
/* read all command line variables */
LAL_CALL( LALUserVarReadAllInput(&status, argc, argv), &status);
/* exit if help was required */
if (uvar_help)
exit(0);
/* very basic consistency checks on user input */
if ( uvar_fStart < 0 ) {
fprintf(stderr, "start frequency must be positive\n");
exit(1);
}
if ( uvar_fSearchBand < 0 ) {
fprintf(stderr, "search frequency band must be positive\n");
exit(1);
}
if ( uvar_peakThreshold < 0 ) {
fprintf(stderr, "peak selection threshold must be positive\n");
exit(1);
}
/***** start main calculations *****/
chi2Params.length=uvar_p;
chi2Params.numberSFTp = (UINT4 *)LALMalloc( uvar_p*sizeof(UINT4));
chi2Params.sumWeight = (REAL8 *)LALMalloc( uvar_p*sizeof(REAL8));
chi2Params.sumWeightSquare = (REAL8 *)LALMalloc( uvar_p*sizeof(REAL8));
/* read sft Files and set up weights */
{
/* new SFT I/O data types */
SFTCatalog *catalog = NULL;
static SFTConstraints constraints;
REAL8 doppWings, f_min, f_max;
/* set detector constraint */
constraints.detector = NULL;
if ( LALUserVarWasSet( &uvar_startTime ) ) {
XLALGPSSetREAL8(&startTimeGPS, uvar_startTime);
constraints.minStartTime = &startTimeGPS;
}
if ( LALUserVarWasSet( &uvar_endTime ) ) {
XLALGPSSetREAL8(&endTimeGPS, uvar_endTime);
constraints.maxEndTime = &endTimeGPS;
}
if ( LALUserVarWasSet( &uvar_timeStampsFile ) ) {
LAL_CALL ( LALReadTimestampsFile ( &status, &inputTimeStampsVector, uvar_timeStampsFile), &status);
constraints.timestamps = inputTimeStampsVector;
}
/* get sft catalog */
LAL_CALL( LALSFTdataFind( &status, &catalog, uvar_sftDir, &constraints), &status);
if ( (catalog == NULL) || (catalog->length == 0) ) {
fprintf (stderr,"Unable to match any SFTs with pattern '%s'\n", uvar_sftDir );
exit(1);
}
/* now we can free the inputTimeStampsVector */
if ( LALUserVarWasSet( &uvar_timeStampsFile ) ) {
LALDestroyTimestampVector ( &status, &inputTimeStampsVector);
}
/* get some sft parameters */
mObsCoh = catalog->length; /* number of sfts */
deltaF = catalog->data->header.deltaF; /* frequency resolution */
timeBase= 1.0/deltaF; /* coherent integration time */
// unused: UINT8 f0Bin = floor( uvar_fStart * timeBase + 0.5); /* initial search frequency */
// unused: INT4 length = uvar_fSearchBand * timeBase; /* total number of search bins - 1 */
/* catalog is ordered in time so we can get start, end time and tObs*/
firstTimeStamp = catalog->data[0].header.epoch;
// unused: LIGOTimeGPS lastTimeStamp = catalog->data[mObsCoh - 1].header.epoch;
/* allocate memory for velocity vector */
velV.length = mObsCoh;
velV.data = NULL;
velV.data = (REAL8Cart3Coor *)LALCalloc(mObsCoh, sizeof(REAL8Cart3Coor));
/* allocate memory for timestamps vector */
timeV.length = mObsCoh;
timeV.data = NULL;
timeV.data = (LIGOTimeGPS *)LALCalloc( mObsCoh, sizeof(LIGOTimeGPS));
/* allocate memory for vector of time differences from start */
timeDiffV.length = mObsCoh;
timeDiffV.data = NULL;
timeDiffV.data = (REAL8 *)LALCalloc(mObsCoh, sizeof(REAL8));
/* add wings for Doppler modulation and running median block size*/
doppWings = (uvar_fStart + uvar_fSearchBand) * VTOT;
f_min = uvar_fStart - doppWings - (uvar_blocksRngMed + uvar_nfSizeCylinder) * deltaF;
f_max = uvar_fStart + uvar_fSearchBand + doppWings + (uvar_blocksRngMed + uvar_nfSizeCylinder) * deltaF;
/* read sft files making sure to add extra bins for running median */
/* read the sfts */
LAL_CALL( LALLoadMultiSFTs ( &status, &inputSFTs, catalog, f_min, f_max), &status);
/* clean sfts if required */
if ( LALUserVarWasSet( &uvar_linefiles ) )
{
RandomParams *randPar=NULL;
FILE *fpRand=NULL;
INT4 seed, ranCount;
if ( (fpRand = fopen("/dev/urandom", "r")) == NULL ) {
fprintf(stderr,"Error in opening /dev/urandom" );
exit(1);
}
if ( (ranCount = fread(&seed, sizeof(seed), 1, fpRand)) != 1 ) {
fprintf(stderr,"Error in getting random seed" );
exit(1);
}
LAL_CALL ( LALCreateRandomParams (&status, &randPar, seed), &status );
LAL_CALL( LALRemoveKnownLinesInMultiSFTVector ( &status, inputSFTs, uvar_maxBinsClean, uvar_blocksRngMed, uvar_linefiles, randPar), &status);
LAL_CALL ( LALDestroyRandomParams (&status, &randPar), &status);
fclose(fpRand);
} /* end cleaning */
/* SFT info -- assume all SFTs have same length */
numifo = inputSFTs->length;
binsSFT = inputSFTs->data[0]->data->data->length;
sftFminBin = (INT4) floor(inputSFTs->data[0]->data[0].f0 * timeBase + 0.5);
LAL_CALL( LALDestroySFTCatalog( &status, &catalog ), &status);
} /* end of sft reading block */
/* get detector velocities weights vector, and timestamps */
{
MultiNoiseWeights *multweight = NULL;
MultiPSDVector *multPSD = NULL;
UINT4 iIFO, iSFT, j;
/* get ephemeris */
edat = (EphemerisData *)LALCalloc(1, sizeof(EphemerisData));
(*edat).ephiles.earthEphemeris = uvar_earthEphemeris;
(*edat).ephiles.sunEphemeris = uvar_sunEphemeris;
LAL_CALL( LALInitBarycenter( &status, edat), &status);
/* normalize sfts */
LAL_CALL( LALNormalizeMultiSFTVect (&status, &multPSD, inputSFTs, uvar_blocksRngMed), &status);
/* set up weights */
weightsV.length = mObsCoh;
weightsV.data = (REAL8 *)LALCalloc(1, mObsCoh * sizeof(REAL8));
/* initialize all weights to unity */
LAL_CALL( LALHOUGHInitializeWeights( &status, &weightsV), &status);
/* compute multi noise weights if required */
if ( uvar_weighNoise ) {
LAL_CALL ( LALComputeMultiNoiseWeights ( &status, &multweight, multPSD, uvar_blocksRngMed, 0), &status);
}
/* we are now done with the psd */
LAL_CALL ( LALDestroyMultiPSDVector ( &status, &multPSD), &status);
/* get information about all detectors including velocity and timestamps */
/* note that this function returns the velocity at the
mid-time of the SFTs -- should not make any difference */
LAL_CALL ( LALGetMultiDetectorStates ( &status, &mdetStates, inputSFTs, edat), &status);
/* copy the timestamps, weights, and velocity vector */
for (j = 0, iIFO = 0; iIFO < numifo; iIFO++ ) {
numsft = mdetStates->data[iIFO]->length;
for ( iSFT = 0; iSFT < numsft; iSFT++, j++) {
velV.data[j].x = mdetStates->data[iIFO]->data[iSFT].vDetector[0];
velV.data[j].y = mdetStates->data[iIFO]->data[iSFT].vDetector[1];
velV.data[j].z = mdetStates->data[iIFO]->data[iSFT].vDetector[2];
if ( uvar_weighNoise )
weightsV.data[j] = multweight->data[iIFO]->data[iSFT];
/* mid time of sfts */
timeV.data[j] = mdetStates->data[iIFO]->data[iSFT].tGPS;
} /* loop over SFTs */
} /* loop over IFOs */
if ( uvar_weighNoise ) {
LAL_CALL( LALHOUGHNormalizeWeights( &status, &weightsV), &status);
}
/* compute the time difference relative to startTime for all SFTs */
for(j = 0; j < mObsCoh; j++)
timeDiffV.data[j] = XLALGPSDiff( timeV.data + j, &firstTimeStamp );
if ( uvar_weighNoise ) {
LAL_CALL ( LALDestroyMultiNoiseWeights ( &status, &multweight), &status);
}
} /* end block for noise weights, velocity and time */
/* calculate amplitude modulation weights if required */
if (uvar_weighAM)
{
MultiAMCoeffs *multiAMcoef = NULL;
UINT4 iIFO, iSFT;
SkyPosition skypos;
/* get the amplitude modulation coefficients */
skypos.longitude = uvar_AlphaWeight;
skypos.latitude = uvar_DeltaWeight;
skypos.system = COORDINATESYSTEM_EQUATORIAL;
LAL_CALL ( LALGetMultiAMCoeffs ( &status, &multiAMcoef, mdetStates, skypos), &status);
/* loop over the weights and multiply them by the appropriate
AM coefficients */
for ( k = 0, iIFO = 0; iIFO < numifo; iIFO++) {
numsft = mdetStates->data[iIFO]->length;
for ( iSFT = 0; iSFT < numsft; iSFT++, k++) {
REAL8 a, b;
a = multiAMcoef->data[iIFO]->a->data[iSFT];
b = multiAMcoef->data[iIFO]->b->data[iSFT];
weightsV.data[k] *= (a*a + b*b);
} /* loop over SFTs */
} /* loop over IFOs */
LAL_CALL( LALHOUGHNormalizeWeights( &status, &weightsV), &status);
XLALDestroyMultiAMCoeffs ( multiAMcoef );
} /* end AM weights calculation */
/* misc. memory allocations */
/* memory for one spindown */
pulsarTemplate.spindown.length = 1;
pulsarTemplate.spindown.data = NULL;
pulsarTemplate.spindown.data = (REAL8 *)LALMalloc(sizeof(REAL8));
/* copy template parameters */
pulsarTemplate.spindown.data[0] = uvar_fdot;
pulsarTemplate.f0 = uvar_Freq;
pulsarTemplate.latitude = uvar_Delta;
pulsarTemplate.longitude = uvar_Alpha;
/* memory for f(t) vector */
foft.length = mObsCoh;
foft.data = NULL;
foft.data = (REAL8 *)LALMalloc(mObsCoh*sizeof(REAL8));
/* memory for peakgram */
pg1.length = binsSFT;
pg1.data = NULL;
pg1.data = (UCHAR *)LALCalloc( binsSFT, sizeof(UCHAR));
/* memory for number Count Vector */
numberCountV.length = uvar_p;
numberCountV.data = NULL;
numberCountV.data = (REAL8 *)LALMalloc( uvar_p*sizeof(REAL8));
/* block for calculating peakgram and number count */
{
UINT4 iIFO, iSFT, ii, numberSFTp;
INT4 ind;
REAL8 sumWeightSquare;
SFTtype *sft;
/* compute mean and sigma for noise only */
/* first calculate the sum of the weights squared */
sumWeightSquare = 0.0;
for ( k = 0; k < (INT4)mObsCoh; k++)
sumWeightSquare += weightsV.data[k] * weightsV.data[k];
/* probability of selecting a peak expected mean and standard deviation for noise only */
alphaPeak = exp( - uvar_peakThreshold);
meanN = mObsCoh* alphaPeak;
sigmaN = sqrt(sumWeightSquare * alphaPeak * (1.0 - alphaPeak));
/* the received frequency as a function of time */
LAL_CALL( ComputeFoft(&status, &foft, &pulsarTemplate, &timeDiffV, &velV, timeBase), &status);
LAL_CALL(SplitSFTs(&status, &weightsV, &chi2Params), &status);
/* loop over SFT, generate peakgram and get number count */
UINT4 j;
j=0;
iIFO=0;
iSFT=0;
numsft = mdetStates->data[iIFO]->length;
for (k=0 ; k<uvar_p ; k++ ){
numberSFTp=chi2Params.numberSFTp[k];
numberCount = 0;
for (ii=0 ; (ii < numberSFTp)&&(iIFO<numifo) ; ii++) {
sft = inputSFTs->data[iIFO]->data + iSFT;
LAL_CALL (SFTtoUCHARPeakGram( &status, &pg1, sft, uvar_peakThreshold), &status);
ind = floor( foft.data[j]*timeBase - sftFminBin + 0.5);
numberCount += pg1.data[ind]*weightsV.data[j];
j++;
iSFT++;
if (iSFT >= numsft){
iIFO++;
iSFT=0;
if (iIFO<numifo){
numsft = mdetStates->data[iIFO]->length;
}
}
} /* loop over SFTs */
numberCountV.data[k]=numberCount;
} /* loop over blocks */
}
/* Chi2 Test */
{
REAL8 eta; /* Auxiliar variable */
REAL8 nj, sumWeightj, sumWeightSquarej;
numberCountTotal=0;
chi2=0;
for(k=0; k<uvar_p ; k++){
numberCountTotal += numberCountV.data[k];
}
eta=numberCountTotal/mObsCoh;
INT4 j;
for(j=0 ; j<(uvar_p) ; j++){
nj=numberCountV.data[j];
sumWeightj=chi2Params.sumWeight[j];
sumWeightSquarej=chi2Params.sumWeightSquare[j];
chi2 += (nj-sumWeightj*eta)*(nj-sumWeightj*eta)/(sumWeightSquarej*eta*(1-eta));
}
}
fp = fopen(uvar_outfile , "w");
setvbuf(fp, (char *)NULL, _IOLBF, 0);
fprintf(fp, "%g %g %g %g %g %g %g %g \n", (numberCountTotal - meanN)/sigmaN, meanN ,sigmaN, chi2, uvar_Freq, uvar_Alpha, uvar_Delta, uvar_fdot);
/* fprintf(stdout, "%g %g %g %g %g %g %g %g \n", (numberCountTotal - meanN)/sigmaN, meanN ,sigmaN, chi2, uvar_Freq, uvar_Alpha, uvar_Delta, uvar_fdot);*/
fclose(fp);
/* free memory */
LALFree(pulsarTemplate.spindown.data);
LALFree(timeV.data);
LALFree(timeDiffV.data);
LALFree(foft.data);
LALFree(velV.data);
LALFree(weightsV.data);
XLALDestroyMultiDetectorStateSeries ( mdetStates );
LALFree(edat->ephemE);
LALFree(edat->ephemS);
LALFree(edat);
LAL_CALL (LALDestroyMultiSFTVector(&status, &inputSFTs), &status );
LALFree(pg1.data);
LALFree(numberCountV.data);
LALFree(chi2Params.numberSFTp);
LALFree(chi2Params.sumWeight);
LALFree(chi2Params.sumWeightSquare);
LAL_CALL (LALDestroyUserVars(&status), &status);
LALCheckMemoryLeaks();
if ( lalDebugLevel )
REPORTSTATUS ( &status);
return status.statusCode;
}
int main( int argc, char *argv[]){
static LALStatus status;
static LALDetector detector;
static LIGOTimeGPSVector timeV;
static REAL8Cart3CoorVector velV;
static REAL8Vector timeDiffV;
static REAL8Vector foft;
static PulsarSignalParams params;
static SFTParams sftParams;
static UCHARPeakGram pg1;
static COMPLEX8SFTData1 sft1;
static REAL8PeriodoPSD periPSD;
REAL4TimeSeries *signalTseries = NULL;
SFTVector *inputSFTs = NULL;
SFTVector *outputSFTs = NULL;
/* data about injected signal */
static PulsarData pulsarInject;
/* the template */
static HoughTemplate pulsarTemplate, pulsarTemplate1;
/*FILE *fpOUT = NULL; output file pointer */
FILE *fpLog = NULL; /* log file pointer */
CHAR *logstr=NULL; /* log string containing user input variables */
CHAR *fnamelog=NULL; /* name of log file */
INT4 nfSizeCylinder;
EphemerisData *edat = NULL;
INT4 mObsCoh, numberCount;
REAL8 sftBand;
REAL8 timeBase, deltaF, normalizeThr, threshold;
UINT4 sftlength;
INT4 sftFminBin;
REAL8 fHeterodyne;
REAL8 tSamplingRate;
/* grid spacings */
REAL8 deltaTheta;
INT4 mmP, mmT; /* for loop over mismatched templates */
/* user input variables */
INT4 uvar_ifo, uvar_blocksRngMed;
REAL8 uvar_peakThreshold;
REAL8 uvar_alpha, uvar_delta, uvar_h0, uvar_f0;
REAL8 uvar_psi, uvar_phi0, uvar_fdot, uvar_cosiota;
CHAR *uvar_earthEphemeris=NULL;
CHAR *uvar_sunEphemeris=NULL;
CHAR *uvar_sftDir=NULL;
CHAR *uvar_fnameout=NULL;
/* set up the default parameters */
nfSizeCylinder = NFSIZE;
/* set other user input variables */
uvar_peakThreshold = THRESHOLD;
uvar_ifo = IFO;
uvar_blocksRngMed = BLOCKSRNGMED;
/* set default pulsar parameters */
uvar_h0 = H0;
uvar_alpha = ALPHA;
uvar_delta = DELTA;
uvar_f0 = F0;
uvar_fdot = FDOT;
uvar_psi = PSI;
uvar_cosiota = COSIOTA;
uvar_phi0 = PHI0;
/* now set the default filenames */
uvar_earthEphemeris = (CHAR *)LALMalloc(512*sizeof(CHAR));
strcpy(uvar_earthEphemeris,EARTHEPHEMERIS);
uvar_sunEphemeris = (CHAR *)LALMalloc(512*sizeof(CHAR));
strcpy(uvar_sunEphemeris,SUNEPHEMERIS);
uvar_sftDir = (CHAR *)LALMalloc(512*sizeof(CHAR));
strcpy(uvar_sftDir,SFTDIRECTORY);
uvar_fnameout = (CHAR *)LALMalloc(512*sizeof(CHAR));
strcpy(uvar_fnameout, FILEOUT);
/* register user input variables */
XLAL_CHECK_MAIN( XLALRegisterNamedUvar( &uvar_ifo, "ifo", INT4, 'i', OPTIONAL, "Detector GEO(1) LLO(2) LHO(3)" ) == XLAL_SUCCESS, XLAL_EFUNC);
XLAL_CHECK_MAIN( XLALRegisterNamedUvar( &uvar_blocksRngMed, "blocksRngMed", INT4, 'w', OPTIONAL, "RngMed block size") == XLAL_SUCCESS, XLAL_EFUNC);
XLAL_CHECK_MAIN( XLALRegisterNamedUvar( &uvar_peakThreshold, "peakThreshold", REAL8, 't', OPTIONAL, "Peak selection threshold") == XLAL_SUCCESS, XLAL_EFUNC);
XLAL_CHECK_MAIN( XLALRegisterNamedUvar( &uvar_earthEphemeris, "earthEphemeris", STRING, 'E', OPTIONAL, "Earth Ephemeris file") == XLAL_SUCCESS, XLAL_EFUNC);
XLAL_CHECK_MAIN( XLALRegisterNamedUvar( &uvar_sunEphemeris, "sunEphemeris", STRING, 'S', OPTIONAL, "Sun Ephemeris file") == XLAL_SUCCESS, XLAL_EFUNC);
XLAL_CHECK_MAIN( XLALRegisterNamedUvar( &uvar_sftDir, "sftDir", STRING, 'D', OPTIONAL, "SFT Directory") == XLAL_SUCCESS, XLAL_EFUNC);
XLAL_CHECK_MAIN( XLALRegisterNamedUvar( &uvar_fnameout, "fnameout", STRING, 'o', OPTIONAL, "Output file prefix") == XLAL_SUCCESS, XLAL_EFUNC);
XLAL_CHECK_MAIN( XLALRegisterNamedUvar( &uvar_alpha, "alpha", REAL8, 'r', OPTIONAL, "Right ascension") == XLAL_SUCCESS, XLAL_EFUNC);
XLAL_CHECK_MAIN( XLALRegisterNamedUvar( &uvar_delta, "delta", REAL8, 'l', OPTIONAL, "Declination") == XLAL_SUCCESS, XLAL_EFUNC);
XLAL_CHECK_MAIN( XLALRegisterNamedUvar( &uvar_h0, "h0", REAL8, 'm', OPTIONAL, "h0 to inject") == XLAL_SUCCESS, XLAL_EFUNC);
XLAL_CHECK_MAIN( XLALRegisterNamedUvar( &uvar_f0, "f0", REAL8, 'f', OPTIONAL, "Start search frequency") == XLAL_SUCCESS, XLAL_EFUNC);
XLAL_CHECK_MAIN( XLALRegisterNamedUvar( &uvar_psi, "psi", REAL8, 'p', OPTIONAL, "Polarization angle") == XLAL_SUCCESS, XLAL_EFUNC);
XLAL_CHECK_MAIN( XLALRegisterNamedUvar( &uvar_phi0, "phi0", REAL8, 'P', OPTIONAL, "Initial phase") == XLAL_SUCCESS, XLAL_EFUNC);
XLAL_CHECK_MAIN( XLALRegisterNamedUvar( &uvar_cosiota, "cosiota", REAL8, 'c', OPTIONAL, "Cosine of iota") == XLAL_SUCCESS, XLAL_EFUNC);
XLAL_CHECK_MAIN( XLALRegisterNamedUvar( &uvar_fdot, "fdot", REAL8, 'd', OPTIONAL, "Spindown parameter") == XLAL_SUCCESS, XLAL_EFUNC);
/* read all command line variables */
BOOLEAN should_exit = 0;
XLAL_CHECK_MAIN( XLALUserVarReadAllInput(&should_exit, argc, argv, lalAppsVCSInfoList) == XLAL_SUCCESS, XLAL_EFUNC);
if (should_exit)
exit(1);
/* write the log file */
fnamelog = (CHAR *)LALMalloc( 512*sizeof(CHAR));
strcpy(fnamelog, uvar_fnameout);
strcat(fnamelog, "_log");
/* open the log file for writing */
if ((fpLog = fopen(fnamelog, "w")) == NULL) {
fprintf(stderr, "Unable to open file %s for writing\n", fnamelog);
LALFree(fnamelog);
exit(1);
}
/* get the log string */
XLAL_CHECK_MAIN( ( logstr = XLALUserVarGetLog(UVAR_LOGFMT_CFGFILE) ) != NULL, XLAL_EFUNC);
fprintf( fpLog, "## Log file for HoughMismatch\n\n");
fprintf( fpLog, "# User Input:\n");
fprintf( fpLog, "#-------------------------------------------\n");
fprintf( fpLog, "%s", logstr);
LALFree(logstr);
/* append an ident-string defining the exact CVS-version of the code used */
{
CHAR command[1024] = "";
fprintf (fpLog, "\n\n# CVS-versions of executable:\n");
fprintf (fpLog, "# -----------------------------------------\n");
fclose (fpLog);
sprintf (command, "ident %s | sort -u >> %s", argv[0], fnamelog);
/* we don't check this. If it fails, we assume that */
/* one of the system-commands was not available, and */
/* therefore the CVS-versions will not be logged */
if ( system(command) ) fprintf (stderr, "\nsystem('%s') returned non-zero status!\n\n", command );
LALFree(fnamelog);
}
/* set peak selection threshold */
SUB( LALRngMedBias( &status, &normalizeThr, uvar_blocksRngMed ), &status );
threshold = uvar_peakThreshold/normalizeThr;
/* set detector */
if (uvar_ifo ==1) detector=lalCachedDetectors[LALDetectorIndexGEO600DIFF];
if (uvar_ifo ==2) detector=lalCachedDetectors[LALDetectorIndexLLODIFF];
if (uvar_ifo ==3) detector=lalCachedDetectors[LALDetectorIndexLHODIFF];
/* copy user input values */
pulsarInject.f0 = uvar_f0;
pulsarInject.latitude = uvar_delta;
pulsarInject.longitude = uvar_alpha;
pulsarInject.aPlus = 0.5 * uvar_h0 * ( 1.0 + uvar_cosiota * uvar_cosiota );
pulsarInject.aCross = uvar_h0 * uvar_cosiota;
pulsarInject.psi = uvar_psi;
pulsarInject.phi0 = uvar_phi0;
pulsarInject.spindown.length = 1;
pulsarInject.spindown.data = NULL;
pulsarInject.spindown.data = (REAL8 *)LALMalloc(sizeof(REAL8));
pulsarInject.spindown.data[0] = uvar_fdot;
/* copy these values also to the pulsar template */
/* template is complately matched at this point */
pulsarTemplate.f0 = uvar_f0;
pulsarTemplate.latitude = uvar_delta;
pulsarTemplate.longitude = uvar_alpha;
pulsarTemplate.spindown.length = 1;
pulsarTemplate.spindown.data = NULL;
pulsarTemplate.spindown.data = (REAL8 *)LALMalloc(sizeof(REAL8));
pulsarTemplate.spindown.data[0] = uvar_fdot;
/* allocate memory for mismatched spindown template */
pulsarTemplate1.spindown.length = 1;
pulsarTemplate1.spindown.data = NULL;
pulsarTemplate1.spindown.data = (REAL8 *)LALMalloc(sizeof(REAL8));
/* read sfts */
{
CHAR *tempDir;
tempDir = (CHAR *)LALMalloc(512*sizeof(CHAR));
strcpy(tempDir, uvar_sftDir);
strcat(tempDir, "/*SFT*.*");
sftBand = 0.5;
SUB( LALReadSFTfiles ( &status, &inputSFTs, uvar_f0 - sftBand, uvar_f0 + sftBand, nfSizeCylinder + uvar_blocksRngMed , tempDir), &status);
LALFree(tempDir);
}
/* get sft parameters */
mObsCoh = inputSFTs->length;
sftlength = inputSFTs->data->data->length;
deltaF = inputSFTs->data->deltaF;
timeBase = 1.0/deltaF;
sftFminBin = floor( timeBase * inputSFTs->data->f0 + 0.5);
fHeterodyne = sftFminBin*deltaF;
tSamplingRate = 2.0*deltaF*(sftlength -1.);
/* create timestamp vector */
timeV.length = mObsCoh;
timeV.data = NULL;
timeV.data = (LIGOTimeGPS *)LALMalloc(mObsCoh*sizeof(LIGOTimeGPS));
/* read timestamps */
{
INT4 i;
SFTtype *sft= NULL;
sft = inputSFTs->data;
for (i=0; i < mObsCoh; i++){
timeV.data[i].gpsSeconds = sft->epoch.gpsSeconds;
timeV.data[i].gpsNanoSeconds = sft->epoch.gpsNanoSeconds;
++sft;
}
}
/* compute the time difference relative to startTime for all SFT */
timeDiffV.length = mObsCoh;
timeDiffV.data = NULL;
timeDiffV.data = (REAL8 *)LALMalloc(mObsCoh*sizeof(REAL8));
{
REAL8 t0, ts, tn, midTimeBase;
INT4 j;
midTimeBase=0.5*timeBase;
ts = timeV.data[0].gpsSeconds;
tn = timeV.data[0].gpsNanoSeconds * 1.00E-9;
t0=ts+tn;
timeDiffV.data[0] = midTimeBase;
for (j=1; j< mObsCoh; ++j){
ts = timeV.data[j].gpsSeconds;
tn = timeV.data[j].gpsNanoSeconds * 1.00E-9;
timeDiffV.data[j] = ts+tn -t0+midTimeBase;
}
}
/* compute detector velocity for those time stamps */
velV.length = mObsCoh;
velV.data = NULL;
velV.data = (REAL8Cart3Coor *)LALMalloc(mObsCoh*sizeof(REAL8Cart3Coor));
{
VelocityPar velPar;
REAL8 vel[3];
UINT4 j;
velPar.detector = detector;
velPar.tBase = timeBase;
velPar.vTol = 0.0; /* irrelevant */
velPar.edat = NULL;
/* read in ephemeris data */
XLAL_CHECK_MAIN( ( edat = XLALInitBarycenter( uvar_earthEphemeris, uvar_sunEphemeris ) ) != NULL, XLAL_EFUNC);
velPar.edat = edat;
/* calculate detector velocity */
for(j=0; j< velV.length; ++j){
velPar.startTime.gpsSeconds = timeV.data[j].gpsSeconds;
velPar.startTime.gpsNanoSeconds = timeV.data[j].gpsNanoSeconds;
SUB( LALAvgDetectorVel ( &status, vel, &velPar), &status );
velV.data[j].x= vel[0];
velV.data[j].y= vel[1];
velV.data[j].z= vel[2];
}
}
/* set grid spacings */
{
deltaTheta = 1.0 / ( VTOT * uvar_f0 * timeBase );
/* currently unused: REAL8 deltaFdot = deltaF / timeBase; */
}
/* allocate memory for f(t) pattern */
foft.length = mObsCoh;
foft.data = NULL;
foft.data = (REAL8 *)LALMalloc(mObsCoh*sizeof(REAL8));
/* allocate memory for Hough peripsd structure */
periPSD.periodogram.length = sftlength;
periPSD.periodogram.data = NULL;
periPSD.periodogram.data = (REAL8 *)LALMalloc(sftlength* sizeof(REAL8));
periPSD.psd.length = sftlength;
periPSD.psd.data = NULL;
periPSD.psd.data = (REAL8 *)LALMalloc(sftlength* sizeof(REAL8));
/* allocate memory for peakgram */
pg1.length = sftlength;
pg1.data = NULL;
pg1.data = (UCHAR *)LALMalloc(sftlength* sizeof(UCHAR));
/* generate signal and add to input sfts */
/* parameters for output sfts */
sftParams.Tsft = timeBase;
sftParams.timestamps = &(timeV);
sftParams.noiseSFTs = inputSFTs;
/* signal generation parameters */
params.orbit.asini = 0 /* isolated pulsar */;
/* params.transferFunction = NULL; */
params.site = &(detector);
params.ephemerides = edat;
params.startTimeGPS.gpsSeconds = timeV.data[0].gpsSeconds; /* start time of output time series */
params.startTimeGPS.gpsNanoSeconds = timeV.data[0].gpsNanoSeconds; /* start time of output time series */
params.duration = timeDiffV.data[mObsCoh-1] + 0.5 * timeBase; /* length of time series in seconds */
params.samplingRate = tSamplingRate;
params.fHeterodyne = fHeterodyne;
/* reference time for frequency and spindown is first timestamp */
params.pulsar.refTime.gpsSeconds = timeV.data[0].gpsSeconds;
params.pulsar.refTime.gpsNanoSeconds = timeV.data[0].gpsNanoSeconds;
params.pulsar.position.longitude = pulsarInject.longitude;
params.pulsar.position.latitude = pulsarInject.latitude ;
params.pulsar.position.system = COORDINATESYSTEM_EQUATORIAL;
params.pulsar.psi = pulsarInject.psi;
params.pulsar.aPlus = pulsarInject.aPlus;
params.pulsar.aCross = pulsarInject.aCross;
params.pulsar.phi0 = pulsarInject.phi0;
params.pulsar.f0 = pulsarInject.f0;
params.pulsar.spindown = &pulsarInject.spindown ;
SUB( LALGeneratePulsarSignal(&status, &signalTseries, ¶ms ), &status);
SUB( LALSignalToSFTs(&status, &outputSFTs, signalTseries, &sftParams), &status);
/* fill in elements of sft structure sft1 used in peak selection */
sft1.length = sftlength;
sft1.fminBinIndex = sftFminBin;
sft1.timeBase = timeBase;
/* loop over mismatched templates */
for (mmT = -2; mmT <= 2; mmT++)
{
for (mmP = -2; mmP <= 2; mmP++)
{
INT4 mmFactor;
/* displace the template */
mmFactor = 1.0;
pulsarTemplate1.f0 = pulsarTemplate.f0 /*+ mmFactor * mm * deltaF*/;
pulsarTemplate1.latitude = pulsarTemplate.latitude + mmFactor * mmT * deltaTheta;
pulsarTemplate1.longitude = pulsarTemplate.longitude + mmFactor * mmP * deltaTheta;
pulsarTemplate1.spindown.data[0] = pulsarTemplate.spindown.data[0] /*+ mmFactor * mm * deltaFdot*/;
numberCount = 0;
/* now calculate the number count for the template */
INT4 j;
for (j=0; j < mObsCoh; j++)
{
INT4 ind;
sft1.epoch.gpsSeconds = timeV.data[j].gpsSeconds;
sft1.epoch.gpsNanoSeconds = timeV.data[j].gpsNanoSeconds;
sft1.data = outputSFTs->data[j].data->data;
SUB( COMPLEX8SFT2Periodogram1(&status, &periPSD.periodogram, &sft1), &status );
SUB( LALPeriodo2PSDrng( &status,
&periPSD.psd, &periPSD.periodogram, &uvar_blocksRngMed), &status );
SUB( LALSelectPeakColorNoise(&status,&pg1,&threshold,&periPSD), &status);
SUB( ComputeFoft(&status, &foft, &pulsarTemplate1, &timeDiffV, &velV, timeBase), &status);
ind = floor( foft.data[j]*timeBase - sftFminBin + 0.5);
numberCount += pg1.data[ind];
}
/* print the number count */
fprintf(stdout, "%d %d %d\n", mmT, mmP, numberCount);
}
}
/* free structures created by signal generation routines */
LALFree(signalTseries->data->data);
LALFree(signalTseries->data);
LALFree(signalTseries);
signalTseries =NULL;
XLALDestroySFTVector( outputSFTs);
/* destroy input sfts */
XLALDestroySFTVector( inputSFTs);
/* free other structures */
LALFree(foft.data);
LALFree(pulsarInject.spindown.data);
LALFree(pulsarTemplate.spindown.data);
LALFree(pulsarTemplate1.spindown.data);
LALFree(timeV.data);
LALFree(timeDiffV.data);
LALFree(velV.data);
XLALDestroyEphemerisData(edat);
LALFree(periPSD.periodogram.data);
LALFree(periPSD.psd.data);
LALFree(pg1.data);
XLALDestroyUserVars();
LALCheckMemoryLeaks();
INFO( DRIVEHOUGHCOLOR_MSGENORM );
return DRIVEHOUGHCOLOR_ENORM;
}
