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; }
/*============================================================ * FUNCTION definitions *============================================================*/ int main(int argc, char *argv[]) { static LALStatus status; /* LALStatus pointer */ UserVariables_t XLAL_INIT_DECL(uvar); ConfigVariables_t XLAL_INIT_DECL(cfg); UINT4 k, numBins, numIFOs, maxNumSFTs, X, alpha; REAL8 Freq0, dFreq, normPSD; UINT4 finalBinSize, finalBinStep, finalNumBins; REAL8Vector *overSFTs = NULL; /* one frequency bin over SFTs */ REAL8Vector *overIFOs = NULL; /* one frequency bin over IFOs */ REAL8Vector *finalPSD = NULL; /* math. operation PSD over SFTs and IFOs */ REAL8Vector *finalNormSFT = NULL; /* normalised SFT power */ vrbflg = 1; /* verbose error-messages */ /* set LAL error-handler */ lal_errhandler = LAL_ERR_EXIT; /* register and read user variables */ if (initUserVars(argc, argv, &uvar) != XLAL_SUCCESS) return EXIT_FAILURE; MultiSFTVector *inputSFTs = NULL; if ( ( inputSFTs = XLALReadSFTs ( &cfg, &uvar ) ) == NULL ) { XLALPrintError ("Call to XLALReadSFTs() failed with xlalErrno = %d\n", xlalErrno ); return EXIT_FAILURE; } /* clean sfts if required */ if ( XLALUserVarWasSet( &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" ); return EXIT_FAILURE; } if ( (ranCount = fread(&seed, sizeof(seed), 1, fpRand)) != 1 ) { fprintf(stderr,"Error in getting random seed" ); return EXIT_FAILURE; } 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 */ LogPrintf (LOG_DEBUG, "Computing spectrogram and PSD ... "); /* get power running-median rngmed[ |data|^2 ] from SFTs */ MultiPSDVector *multiPSD = NULL; XLAL_CHECK_MAIN( ( multiPSD = XLALNormalizeMultiSFTVect ( inputSFTs, uvar.blocksRngMed, NULL ) ) != NULL, XLAL_EFUNC); /* restrict this PSD to just the "physical" band if requested using {--Freq, --FreqBand} */ if ( ( XLALCropMultiPSDandSFTVectors ( multiPSD, inputSFTs, cfg.firstBin, cfg.lastBin )) != XLAL_SUCCESS ) { XLALPrintError ("%s: XLALCropMultiPSDandSFTVectors (inputPSD, inputSFTs, %d, %d) failed with xlalErrno = %d\n", __func__, cfg.firstBin, cfg.lastBin, xlalErrno ); return EXIT_FAILURE; } /* start frequency and frequency spacing */ Freq0 = multiPSD->data[0]->data[0].f0; dFreq = multiPSD->data[0]->data[0].deltaF; /* number of raw bins in final PSD */ numBins = multiPSD->data[0]->data[0].data->length; if ( (finalPSD = XLALCreateREAL8Vector ( numBins )) == NULL ) { LogPrintf (LOG_CRITICAL, "Out of memory!\n"); return EXIT_FAILURE; } /* number of IFOs */ numIFOs = multiPSD->length; if ( (overIFOs = XLALCreateREAL8Vector ( numIFOs )) == NULL ) { LogPrintf (LOG_CRITICAL, "Out of memory!\n"); return EXIT_FAILURE; } /* maximum number of SFTs */ maxNumSFTs = 0; for (X = 0; X < numIFOs; ++X) { maxNumSFTs = GSL_MAX(maxNumSFTs, multiPSD->data[X]->length); } if ( (overSFTs = XLALCreateREAL8Vector ( maxNumSFTs )) == NULL ) { LogPrintf (LOG_CRITICAL, "Out of memory!\n"); return EXIT_FAILURE; } /* normalize rngmd(power) to get proper *single-sided* PSD: Sn = (2/Tsft) rngmed[|data|^2]] */ normPSD = 2.0 * dFreq; /* loop over frequency bins in final PSD */ for (k = 0; k < numBins; ++k) { /* loop over IFOs */ for (X = 0; X < numIFOs; ++X) { /* number of SFTs for this IFO */ UINT4 numSFTs = multiPSD->data[X]->length; /* copy PSD frequency bins and normalise multiPSD for later use */ for (alpha = 0; alpha < numSFTs; ++alpha) { multiPSD->data[X]->data[alpha].data->data[k] *= normPSD; overSFTs->data[alpha] = multiPSD->data[X]->data[alpha].data->data[k]; } /* compute math. operation over SFTs for this IFO */ overIFOs->data[X] = math_op(overSFTs->data, numSFTs, uvar.PSDmthopSFTs); if ( isnan( overIFOs->data[X] ) ) XLAL_ERROR ( EXIT_FAILURE, "Found Not-A-Number in overIFOs->data[X=%d] = NAN ... exiting\n", X ); } /* for IFOs X */ /* compute math. operation over IFOs for this frequency */ finalPSD->data[k] = math_op(overIFOs->data, numIFOs, uvar.PSDmthopIFOs); if ( isnan ( finalPSD->data[k] ) ) XLAL_ERROR ( EXIT_FAILURE, "Found Not-A-Number in finalPSD->data[k=%d] = NAN ... exiting\n", k ); } /* for freq bins k */ LogPrintfVerbatim ( LOG_DEBUG, "done.\n"); /* compute normalised SFT power */ if (uvar.outputNormSFT) { LogPrintf (LOG_DEBUG, "Computing normalised SFT power ... "); if ( (finalNormSFT = XLALCreateREAL8Vector ( numBins )) == NULL ) { LogPrintf (LOG_CRITICAL, "Out of memory!\n"); return EXIT_FAILURE; } /* loop over frequency bins in SFTs */ for (k = 0; k < numBins; ++k) { /* loop over IFOs */ for (X = 0; X < numIFOs; ++X) { /* number of SFTs for this IFO */ UINT4 numSFTs = inputSFTs->data[X]->length; /* compute SFT power */ for (alpha = 0; alpha < numSFTs; ++alpha) { COMPLEX8 bin = inputSFTs->data[X]->data[alpha].data->data[k]; overSFTs->data[alpha] = crealf(bin)*crealf(bin) + cimagf(bin)*cimagf(bin); } /* compute math. operation over SFTs for this IFO */ overIFOs->data[X] = math_op(overSFTs->data, numSFTs, uvar.nSFTmthopSFTs); if ( isnan ( overIFOs->data[X] )) XLAL_ERROR ( EXIT_FAILURE, "Found Not-A-Number in overIFOs->data[X=%d] = NAN ... exiting\n", X ); } /* over IFOs */ /* compute math. operation over IFOs for this frequency */ finalNormSFT->data[k] = math_op(overIFOs->data, numIFOs, uvar.nSFTmthopIFOs); if ( isnan( finalNormSFT->data[k] ) ) XLAL_ERROR ( EXIT_FAILURE, "Found Not-A-Number in bin finalNormSFT->data[k=%d] = NAN ... exiting\n", k ); } /* over freq bins */ LogPrintfVerbatim ( LOG_DEBUG, "done.\n"); } /* output spectrograms */ if ( uvar.outputSpectBname ) { LAL_CALL ( LALfwriteSpectrograms ( &status, uvar.outputSpectBname, multiPSD ), &status ); } /* ---------- if user requested it, output complete MultiPSDVector over IFOs X, timestamps and freq-bins into ASCI file(s) */ if ( uvar.dumpMultiPSDVector ) { if ( XLALDumpMultiPSDVector ( uvar.outputPSD, multiPSD ) != XLAL_SUCCESS ) { XLALPrintError ("%s: XLALDumpMultiPSDVector() failed, xlalErrnor = %d\n", __func__, xlalErrno ); return EXIT_FAILURE; } } /* if uvar.dumpMultiPSDVector */ /* ----- if requested, compute data-quality factor 'Q' -------------------- */ if ( uvar.outputQ ) { REAL8FrequencySeries *Q; if ( (Q = XLALComputeSegmentDataQ ( multiPSD, cfg.dataSegment )) == NULL ) { XLALPrintError ("%s: XLALComputeSegmentDataQ() failed with xlalErrno = %d\n", __func__, xlalErrno ); return EXIT_FAILURE; } if ( XLAL_SUCCESS != XLALWriteREAL8FrequencySeries_to_file ( Q, uvar.outputQ ) ) { return EXIT_FAILURE; } XLALDestroyREAL8FrequencySeries ( Q ); } /* if outputQ */ /* ---------- BINNING if requested ---------- */ /* work out bin size */ if (XLALUserVarWasSet(&uvar.binSize)) { finalBinSize = uvar.binSize; } else if (XLALUserVarWasSet(&uvar.binSizeHz)) { finalBinSize = (UINT4)floor(uvar.binSizeHz / dFreq + 0.5); /* round to nearest bin */ } else { finalBinSize = 1; } /* work out bin step */ if (XLALUserVarWasSet(&uvar.binStep)) { finalBinStep = uvar.binStep; } else if (XLALUserVarWasSet(&uvar.binStepHz)) { finalBinStep = (UINT4)floor(uvar.binStepHz / dFreq + 0.5); /* round to nearest bin */ } else { finalBinStep = finalBinSize; } /* work out total number of bins */ finalNumBins = (UINT4)floor((numBins - finalBinSize) / finalBinStep) + 1; /* write final PSD to file */ if (XLALUserVarWasSet(&uvar.outputPSD)) { FILE *fpOut = NULL; if ((fpOut = fopen(uvar.outputPSD, "wb")) == NULL) { LogPrintf ( LOG_CRITICAL, "Unable to open output file %s for writing...exiting \n", uvar.outputPSD ); return EXIT_FAILURE; } /* write header info in comments */ if ( XLAL_SUCCESS != XLALOutputVersionString ( fpOut, 0 ) ) XLAL_ERROR ( XLAL_EFUNC ); /* write the command-line */ for (int a = 0; a < argc; a++) fprintf(fpOut,"%%%% argv[%d]: '%s'\n", a, argv[a]); /* write column headings */ fprintf(fpOut,"%%%% columns:\n%%%% FreqBinStart"); if (uvar.outFreqBinEnd) fprintf(fpOut," FreqBinEnd"); fprintf(fpOut," PSD"); if (uvar.outputNormSFT) fprintf(fpOut," normSFTpower"); fprintf(fpOut,"\n"); LogPrintf(LOG_DEBUG, "Printing PSD to file ... "); for (k = 0; k < finalNumBins; ++k) { UINT4 b = k * finalBinStep; REAL8 f0 = Freq0 + b * dFreq; REAL8 f1 = f0 + finalBinStep * dFreq; fprintf(fpOut, "%f", f0); if (uvar.outFreqBinEnd) fprintf(fpOut, " %f", f1); REAL8 psd = math_op(&(finalPSD->data[b]), finalBinSize, uvar.PSDmthopBins); if ( isnan ( psd )) XLAL_ERROR ( EXIT_FAILURE, "Found Not-A-Number in psd[k=%d] = NAN ... exiting\n", k ); fprintf(fpOut, " %e", psd); if (uvar.outputNormSFT) { REAL8 nsft = math_op(&(finalNormSFT->data[b]), finalBinSize, uvar.nSFTmthopBins); if ( isnan ( nsft )) XLAL_ERROR ( EXIT_FAILURE, "Found Not-A-Number in nsft[k=%d] = NAN ... exiting\n", k ); fprintf(fpOut, " %f", nsft); } fprintf(fpOut, "\n"); } // k < finalNumBins LogPrintfVerbatim ( LOG_DEBUG, "done.\n"); fclose(fpOut); } /* we are now done with the psd */ XLALDestroyMultiPSDVector ( multiPSD); XLALDestroyMultiSFTVector ( inputSFTs); XLALDestroyUserVars(); XLALDestroyREAL8Vector ( overSFTs ); XLALDestroyREAL8Vector ( overIFOs ); XLALDestroyREAL8Vector ( finalPSD ); XLALDestroyREAL8Vector ( finalNormSFT ); LALCheckMemoryLeaks(); return EXIT_SUCCESS; } /* main() */
int main(int argc, char *argv[]){ static LALStatus status; /* LALStatus pointer */ static MultiSFTVector *inputSFTs = NULL; static SFTCatalog *catalog = NULL; static SFTCatalog thisCatalog; static SFTConstraints constraints; /* 09/09/05 gam; randPar now a parameter for LALCleanCOMPLEX8SFT */ FILE *fp=NULL; INT4 seed, ranCount; RandomParams *randPar=NULL; UINT4 k, j; /* user input variables */ BOOLEAN uvar_help; LALStringVector *uvar_linefiles=NULL; /* files with harmonics info */ CHAR *uvar_sftDir; /* directory for unclean sfts */ CHAR *uvar_outDir; /* directory for cleaned sfts */ REAL8 uvar_fMin, uvar_fMax; INT4 uvar_window, uvar_maxBins; /* set defaults */ uvar_help = FALSE; uvar_sftDir = (CHAR *)LALMalloc(256 * sizeof(CHAR)); strcpy(uvar_sftDir, INPUTSFTDIR); uvar_outDir = (CHAR *)LALMalloc(256 * sizeof(CHAR)); strcpy(uvar_outDir, OUTPUTSFTDIR); uvar_fMin = STARTFREQ; uvar_fMax = ENDFREQ; uvar_window = WINDOWSIZE; uvar_maxBins = MAXBINS; /* register user input variables */ LAL_CALL( LALRegisterBOOLUserVar( &status, "help", 'h',UVAR_HELP, "Print this message", &uvar_help), &status); LAL_CALL( LALRegisterSTRINGUserVar( &status, "sftDir", 'i',UVAR_OPTIONAL, "Input SFT file pattern", &uvar_sftDir), &status); LAL_CALL( LALRegisterSTRINGUserVar( &status, "outDir", 'o',UVAR_OPTIONAL, "Output SFT Directory", &uvar_outDir), &status); LAL_CALL( LALRegisterREALUserVar( &status, "fMin", 0, UVAR_OPTIONAL, "start Frequency", &uvar_fMin), &status); LAL_CALL( LALRegisterREALUserVar( &status, "fMax", 0, UVAR_OPTIONAL, "Max Frequency Band", &uvar_fMax), &status); LAL_CALL( LALRegisterINTUserVar( &status, "window", 'w',UVAR_OPTIONAL, "Window size", &uvar_window), &status); LAL_CALL( LALRegisterINTUserVar( &status, "maxBins", 'm',UVAR_OPTIONAL, "Max. bins to clean", &uvar_maxBins),&status); LAL_CALL( LALRegisterLISTUserVar( &status, "linefiles", 0, UVAR_OPTIONAL, "List of linefiles (filenames must contain IFO name)", &uvar_linefiles), &status); /* read all command line variables */ LAL_CALL( LALUserVarReadAllInput(&status, argc, argv), &status); /* exit if help was required */ if (uvar_help) exit(0); /* set detector constraint */ constraints.detector = NULL; /* 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); } thisCatalog.length = 1; fprintf(stdout, "%d\n",catalog->length); /* get a new seed value, and use it to create a new random parameter structure */ fp=fopen("/dev/urandom", "r"); if (!fp) { fprintf(stderr,"Error in opening /dev/urandom \n"); exit(1); } ranCount = fread(&seed, sizeof(seed), 1, fp); fclose(fp); if (!(ranCount==1)) { fprintf(stderr,"Error in reading random seed \n"); exit(1); } LAL_CALL ( LALCreateRandomParams (&status, &randPar, seed), &status ); /* loop over sfts and clean them -- load one sft at a time */ for (j=0; j<catalog->length; j++) { thisCatalog.data = catalog->data + j; /* read the sfts */ LAL_CALL( LALLoadMultiSFTs ( &status, &inputSFTs, &thisCatalog, uvar_fMin, uvar_fMax), &status); /* clean lines */ if ( LALUserVarWasSet( &uvar_linefiles ) ) { LAL_CALL( LALRemoveKnownLinesInMultiSFTVector ( &status, inputSFTs, uvar_maxBins, uvar_window, uvar_linefiles, randPar), &status); } /* write output */ for (k = 0; k < inputSFTs->length; k++) { LAL_CALL( LALWriteSFTVector2Dir ( &status, inputSFTs->data[k], uvar_outDir, "cleaned", "cleaned"), &status); } LAL_CALL( LALDestroyMultiSFTVector(&status, &inputSFTs), &status ); } /* end loop over sfts */ /* Free memory */ LAL_CALL( LALDestroySFTCatalog( &status, &catalog ), &status); LAL_CALL( LALDestroyUserVars(&status), &status); LAL_CALL( LALDestroyRandomParams (&status, &randPar), &status); LALCheckMemoryLeaks(); return 0; }