/**
* Get the 'detector state' (ie detector-tensor, position, velocity, etc) for the given
* multi-vector of SFTs, shifted by a common time-shift \a tOffset.
*
* \a tOffset allows one to easily use the midpoints of SFT-timestamps, for example.
*
*/
MultiDetectorStateSeries *
XLALGetMultiDetectorStatesFromMultiSFTs(
const MultiSFTVector *multiSFTs, /**< [in] multi-IFO SFTs */
const EphemerisData *edat, /**< [in] ephemeris data */
REAL8 tOffset /**< [in] shift all timestamps by this amount */
)
{
// Check input
XLAL_CHECK_NULL( multiSFTs != NULL, XLAL_EFAULT );
XLAL_CHECK_NULL( edat != NULL, XLAL_EFAULT );
// XLALGetMultiDetectorStates() wants detector-array and timestamps-vectors directly,
// instead of a multi-SFT vector. We therefore need to extract this info from the
// multi-SFT vector first
MultiLALDetector multiIFO;
XLAL_CHECK_NULL( XLALMultiLALDetectorFromMultiSFTs ( &multiIFO, multiSFTs ) == XLAL_SUCCESS, XLAL_EFUNC );
MultiLIGOTimeGPSVector *multiTS;
XLAL_CHECK_NULL( ( multiTS = XLALExtractMultiTimestampsFromSFTs ( multiSFTs )) != NULL, XLAL_EFUNC );
// call XLALGetMultiDetectorStates()
MultiDetectorStateSeries *ret = NULL;
XLAL_CHECK_NULL( ( ret = XLALGetMultiDetectorStates( multiTS, &multiIFO, edat, tOffset )) != NULL, XLAL_EFUNC );
// free temporary mem
XLALDestroyMultiTimestamps ( multiTS );
return ret;
} /* XLALGetMultiDetectorStatesFromMultiSFTs() */
/**
* This routine frees up all the memory.
*/
int
XLALFreeMem ( ConfigVars_t *cfg )
{
XLAL_CHECK ( cfg != NULL, XLAL_EINVAL );
/* Free config-Variables and userInput stuff */
XLALDestroyUserVars();
/* free timestamps if any */
XLALDestroyMultiTimestamps ( cfg->multiTimestamps );
XLALFree ( cfg->VCSInfoString );
// free noise-SFT catalog
XLALDestroySFTCatalog ( cfg->noiseCatalog );
XLALDestroyMultiSFTCatalogView ( cfg->multiNoiseCatalogView );
// free noise time-series data
XLALDestroyMultiREAL8TimeSeries ( cfg->inputMultiTS );
/* Clean up earth/sun Ephemeris tables */
XLALDestroyEphemerisData ( cfg->edat );
return XLAL_SUCCESS;
} /* XLALFreeMem() */
/**
* Deprecated LAL wrapper to XLALGetMultiDetectorStates().
* Get the detector-time series for the given MultiSFTVector.
* (see LALGetDetectorStates() for more comments).
*
* \note The time-series is based on the <em>midpoints</em> of the SFT-timestamps.
*/
void
LALGetMultiDetectorStates( LALStatus *status, /**< pointer to LALStatus structure */
MultiDetectorStateSeries **mdetStates, /**< [out] multi-IFO detector-states */
const MultiSFTVector *multiSFTs, /**< [in] multi-IFO SFTs */
const EphemerisData *edat ) /**< ephemeris data */
{
INITSTATUS(status);
ASSERT ( mdetStates, status, DETECTORSTATES_ENULL, DETECTORSTATES_MSGENULL);
ASSERT ( multiSFTs, status, DETECTORSTATES_ENULL, DETECTORSTATES_MSGENULL);
ASSERT ( *mdetStates == NULL, status, DETECTORSTATES_ENONULL, DETECTORSTATES_MSGENONULL);
/* NOTE API change: XLAL-function wants detector-array and timestamps-vectors directly,
* instead of a multi-SFT vector. We therefore need to extract this info from the
* multi-SFT vector first
*/
MultiLALDetector multiIFO;
if ( XLALMultiLALDetectorFromMultiSFTs ( &multiIFO, multiSFTs ) != XLAL_SUCCESS ) {
XLALPrintError ("%s: XLALMultiLALDetectorFromMultiSFTs() failed with code %d\n", __func__, xlalErrno );
ABORT ( status, DETECTORSTATES_EXLAL, DETECTORSTATES_MSGEXLAL );
}
MultiLIGOTimeGPSVector *multiTS;
if ( ( multiTS = XLALExtractMultiTimestampsFromSFTs ( multiSFTs )) == NULL ) {
XLALPrintError ("%s: XLALExtractMultiTimestampsFromSFTs() failed with code %d\n", __func__, xlalErrno );
ABORT ( status, DETECTORSTATES_EXLAL, DETECTORSTATES_MSGEXLAL );
}
/* ---------- central wrapper: call XLAL function XLALGetMultiDetectorStates() ---------- */
MultiDetectorStateSeries *ret = NULL;
/* the API of this LAL interface specifies a hardcoded shift by Tsft/2 of all timestamps */
REAL8 Tsft = 1.0 / multiSFTs->data[0]->data[0].deltaF;
REAL8 tOffset = 0.5 * Tsft;
if ( ( ret = XLALGetMultiDetectorStates( multiTS, &multiIFO, edat, tOffset )) == NULL ) {
XLALPrintError ("%s: XLALGetMultiDetectorStates() failed with code %d\n", __func__, xlalErrno );
XLALDestroyMultiTimestamps ( multiTS );
ABORT ( status, DETECTORSTATES_EXLAL, DETECTORSTATES_MSGEXLAL );
}
/* free temporary mem */
XLALDestroyMultiTimestamps ( multiTS );
(*mdetStates) = ret;
RETURN ( status );
} /* LALGetMultiDetectorStates() */
/** Destructor for internal configuration struct */
int
XLALDestroyConfig ( ConfigVariables *cfg )
{
XLAL_CHECK ( cfg != NULL, XLAL_EINVAL );
XLALDestroyUserVars ();
XLALDestroyREAL8Vector ( cfg->Alpha );
XLALDestroyREAL8Vector ( cfg->Delta );
XLALDestroyMultiTimestamps ( cfg->multiTimestamps );
XLALDestroyUINT4Vector ( cfg->numTimeStampsX );
XLALDestroyEphemerisData ( cfg->edat );
XLALDestroyMultiDetectorStateSeries ( cfg->multiDetStates );
XLALDestroyMultiNoiseWeights ( cfg->multiNoiseWeights );
return XLAL_SUCCESS;
} /* XLALDestroyConfig() */
/* ----- function definitions ---------- */
int
main ( int argc, char *argv[] )
{
LALStatus status;
UserInput_t uvar_s;
UserInput_t *uvar = &uvar_s;
INIT_MEM ( status );
INIT_MEM ( uvar_s );
struct tms buf;
uvar->randSeed = times(&buf);
// ---------- register all our user-variable ----------
XLALregBOOLUserStruct ( help, 'h', UVAR_HELP , "Print this help/usage message");
XLALregINTUserStruct ( randSeed, 's', UVAR_OPTIONAL, "Specify random-number seed for reproducible noise.");
/* read cmdline & cfgfile */
XLAL_CHECK ( XLALUserVarReadAllInput ( argc, argv ) == XLAL_SUCCESS, XLAL_EFUNC );
if ( uvar->help ) { /* if help was requested, we're done */
exit (0);
}
srand ( uvar->randSeed );
REAL8 startTimeREAL8 = 714180733;
REAL8 duration = 180000; /* 50 hours */
REAL8 Tsft = 1800; /* assume 30min SFTs */
char earthEphem[] = TEST_DATA_DIR "earth00-19-DE200.dat.gz";
char sunEphem[] = TEST_DATA_DIR "sun00-19-DE200.dat.gz";
//REAL8 tolerance = 2e-10; /* same algorithm, should be basically identical results */
LIGOTimeGPS startTime, refTime;
XLALGPSSetREAL8 ( &startTime, startTimeREAL8 );
refTime = startTime;
// pick skyposition at random ----- */
SkyPosition skypos;
skypos.longitude = LAL_TWOPI * (1.0 * rand() / ( RAND_MAX + 1.0 ) ); // alpha uniform in [0, 2pi)
skypos.latitude = LAL_PI_2 - acos ( 1 - 2.0 * rand()/RAND_MAX ); // sin(delta) uniform in [-1,1]
skypos.system = COORDINATESYSTEM_EQUATORIAL;
// pick binary orbital parameters:
// somewhat inspired by Sco-X1 parameters from S2-paper (PRD76, 082001 (2007), gr-qc/0605028)
// but with a more extreme eccentricity, and random argp
REAL8 argp = LAL_TWOPI * (1.0 * rand() / ( RAND_MAX + 1.0 ) ); // uniform in [0, 2pi)
BinaryOrbitParams orbit;
XLALGPSSetREAL8 ( &orbit.tp, 731163327 ); // time of observed periapsis passage (in SSB)
orbit.argp = argp; // argument of periapsis (radians)
orbit.asini = 1.44; // projected, normalized orbital semi-major axis (s) */
orbit.ecc = 1e-2; // relatively large value, for better testing
orbit.period = 68023; // period (s) : about ~18.9h
// ----- step 0: prepare test-case input for calling the BinarySSB-functions
// setup detectors
const char *sites[3] = { "H1", "L1", "V1" };
UINT4 numDetectors = sizeof( sites ) / sizeof ( sites[0] );
MultiLALDetector multiIFO;
multiIFO.length = numDetectors;
for ( UINT4 X = 0; X < numDetectors; X ++ )
{
LALDetector *det = XLALGetSiteInfo ( sites[X] );
XLAL_CHECK ( det != NULL, XLAL_EFUNC, "XLALGetSiteInfo ('%s') failed for detector X=%d\n", sites[X], X );
multiIFO.sites[X] = (*det); // struct copy
XLALFree ( det );
}
// load ephemeris
EphemerisData *edat = XLALInitBarycenter ( earthEphem, sunEphem );
XLAL_CHECK ( edat != NULL, XLAL_EFUNC, "XLALInitBarycenter('%s','%s') failed\n", earthEphem, sunEphem );
// setup multi-timeseries
MultiLIGOTimeGPSVector *multiTS;
XLAL_CHECK ( (multiTS = XLALCalloc ( 1, sizeof(*multiTS))) != NULL, XLAL_ENOMEM );
XLAL_CHECK ( (multiTS->data = XLALCalloc (numDetectors, sizeof(*multiTS->data))) != NULL, XLAL_ENOMEM );
multiTS->length = numDetectors;
for ( UINT4 X = 0; X < numDetectors; X ++ )
{
multiTS->data[X] = XLALMakeTimestamps ( startTime, duration, Tsft, 0 );
XLAL_CHECK ( multiTS->data[X] != NULL, XLAL_EFUNC, "XLALMakeTimestamps() failed.\n");
} /* for X < numIFOs */
// generate detector-states
MultiDetectorStateSeries *multiDetStates = XLALGetMultiDetectorStates ( multiTS, &multiIFO, edat, 0 );
XLAL_CHECK ( multiDetStates != NULL, XLAL_EFUNC, "XLALGetMultiDetectorStates() failed.\n");
// generate isolated-NS SSB times
MultiSSBtimes *multiSSBIn = XLALGetMultiSSBtimes ( multiDetStates, skypos, refTime, SSBPREC_RELATIVISTICOPT );
XLAL_CHECK ( multiSSBIn != NULL, XLAL_EFUNC, "XLALGetMultiSSBtimes() failed.\n");
// ----- step 1: compute reference-result using old LALGetMultiBinarytimes()
MultiSSBtimes *multiBinary_ref = NULL;
LALGetMultiBinarytimes (&status, &(multiBinary_ref), multiSSBIn, multiDetStates, &orbit, refTime );
XLAL_CHECK ( status.statusCode == 0, XLAL_EFAILED, "LALGetMultiBinarytimes() failed with status = %d : '%s'\n", status.statusCode, status.statusDescription );
// ----- step 2: compute test-result using new XLALAddMultiBinaryTimes()
MultiSSBtimes *multiBinary_test = NULL;
PulsarDopplerParams doppler;
memset(&doppler, 0, sizeof(doppler));
doppler.tp = orbit.tp;
doppler.argp = orbit.argp;
doppler.asini = orbit.asini;
doppler.ecc = orbit.ecc;
doppler.period = orbit.period;
XLAL_CHECK ( XLALAddMultiBinaryTimes ( &multiBinary_test, multiSSBIn, &doppler ) == XLAL_SUCCESS, XLAL_EFUNC );
// ----- step 3: compare results
REAL8 err_DeltaT, err_Tdot;
REAL8 tolerance = 1e-10;
int ret = XLALCompareMultiSSBtimes ( &err_DeltaT, &err_Tdot, multiBinary_ref, multiBinary_test );
XLAL_CHECK ( ret == XLAL_SUCCESS, XLAL_EFUNC, "XLALCompareMultiSSBtimes() failed.\n");
XLALPrintWarning ( "INFO: err(DeltaT) = %g, err(Tdot) = %g\n", err_DeltaT, err_Tdot );
XLAL_CHECK ( err_DeltaT < tolerance, XLAL_ETOL, "error(DeltaT) = %g exceeds tolerance of %g\n", err_DeltaT, tolerance );
XLAL_CHECK ( err_Tdot < tolerance, XLAL_ETOL, "error(Tdot) = %g exceeds tolerance of %g\n", err_Tdot, tolerance );
// ---- step 4: clean-up memory
XLALDestroyUserVars();
XLALDestroyEphemerisData ( edat );
XLALDestroyMultiSSBtimes ( multiBinary_test );
XLALDestroyMultiSSBtimes ( multiBinary_ref );
XLALDestroyMultiSSBtimes ( multiSSBIn );
XLALDestroyMultiTimestamps ( multiTS );
XLALDestroyMultiDetectorStateSeries ( multiDetStates );
// check for memory-leaks
LALCheckMemoryLeaks();
return XLAL_SUCCESS;
} // main()
int main(int argc, char *argv[]){
UserInput_t XLAL_INIT_DECL(uvar);
static ConfigVariables config;
/* sft related variables */
MultiSFTVector *inputSFTs = NULL;
MultiPSDVector *multiPSDs = NULL;
MultiNoiseWeights *multiWeights = NULL;
MultiLIGOTimeGPSVector *multiTimes = NULL;
MultiLALDetector multiDetectors;
MultiDetectorStateSeries *multiStates = NULL;
MultiAMCoeffs *multiCoeffs = NULL;
SFTIndexList *sftIndices = NULL;
SFTPairIndexList *sftPairs = NULL;
REAL8Vector *shiftedFreqs = NULL;
UINT4Vector *lowestBins = NULL;
COMPLEX8Vector *expSignalPhases = NULL;
REAL8VectorSequence *sincList = NULL;
PulsarDopplerParams XLAL_INIT_DECL(dopplerpos);
PulsarDopplerParams thisBinaryTemplate, binaryTemplateSpacings;
PulsarDopplerParams minBinaryTemplate, maxBinaryTemplate;
SkyPosition XLAL_INIT_DECL(skyPos);
MultiSSBtimes *multiBinaryTimes = NULL;
INT4 k;
UINT4 j;
REAL8 fMin, fMax; /* min and max frequencies read from SFTs */
REAL8 deltaF; /* frequency resolution associated with time baseline of SFTs */
REAL8 diagff = 0; /*diagonal metric components*/
REAL8 diagaa = 0;
REAL8 diagTT = 0;
REAL8 diagpp = 1;
REAL8 ccStat = 0;
REAL8 evSquared=0;
REAL8 estSens=0; /*estimated sensitivity(4.13)*/
BOOLEAN dopplerShiftFlag = TRUE;
toplist_t *ccToplist=NULL;
CrossCorrBinaryOutputEntry thisCandidate;
UINT4 checksum;
LogPrintf (LOG_CRITICAL, "Starting time\n"); /*for debug convenience to record calculating time*/
/* initialize and register user variables */
LIGOTimeGPS computingStartGPSTime, computingEndGPSTime;
XLALGPSTimeNow (&computingStartGPSTime); /* record the rough starting GPS time*/
if ( XLALInitUserVars( &uvar ) != XLAL_SUCCESS ) {
LogPrintf ( LOG_CRITICAL, "%s: XLALInitUserVars() failed with errno=%d\n", __func__, xlalErrno );
XLAL_ERROR( XLAL_EFUNC );
}
/* read user input from the command line or config file */
if ( XLALUserVarReadAllInput ( argc, argv ) != XLAL_SUCCESS ) {
LogPrintf ( LOG_CRITICAL, "%s: XLALUserVarReadAllInput() failed with errno=%d\n", __func__, xlalErrno );
XLAL_ERROR( XLAL_EFUNC );
}
if (uvar.help) /* if help was requested, then exit */
return 0;
CHAR *VCSInfoString = XLALGetVersionString(0); /**<LAL + LALapps Vsersion string*/
/*If the version information was requested, output it and exit*/
if ( uvar.version ){
XLAL_CHECK ( VCSInfoString != NULL, XLAL_EFUNC, "XLALGetVersionString(0) failed.\n" );
printf ("%s\n", VCSInfoString );
exit (0);
}
/* configure useful variables based on user input */
if ( XLALInitializeConfigVars ( &config, &uvar) != XLAL_SUCCESS ) {
LogPrintf ( LOG_CRITICAL, "%s: XLALInitUserVars() failed with errno=%d\n", __func__, xlalErrno );
XLAL_ERROR( XLAL_EFUNC );
}
deltaF = config.catalog->data[0].header.deltaF;
REAL8 Tsft = 1.0 / deltaF;
if (XLALUserVarWasSet(&uvar.spacingF) && XLALUserVarWasSet(&uvar.mismatchF))
LogPrintf (LOG_CRITICAL, "spacingF and mismatchF are both set, use spacingF %.9g by default\n\n", uvar.spacingF);
if (XLALUserVarWasSet(&uvar.spacingA) && XLALUserVarWasSet(&uvar.mismatchA))
LogPrintf (LOG_CRITICAL, "spacingA and mismatchA are both set, use spacingA %.9g by default\n\n", uvar.spacingA);
if (XLALUserVarWasSet(&uvar.spacingT) && XLALUserVarWasSet(&uvar.mismatchT))
LogPrintf (LOG_CRITICAL, "spacingT and mismatchT are both set, use spacingT %.9g by default\n\n", uvar.spacingT);
if (XLALUserVarWasSet(&uvar.spacingP) && XLALUserVarWasSet(&uvar.mismatchP))
LogPrintf (LOG_CRITICAL, "spacingP and mismatchP are both set, use spacingP %.9g by default\n\n", uvar.spacingP);
/* create the toplist */
create_crossCorrBinary_toplist( &ccToplist, uvar.numCand);
/* now read the data */
/* /\* get SFT parameters so that we can initialise search frequency resolutions *\/ */
/* /\* calculate deltaF_SFT *\/ */
/* deltaF_SFT = catalog->data[0].header.deltaF; /\* frequency resolution *\/ */
/* timeBase= 1.0/deltaF_SFT; /\* sft baseline *\/ */
/* /\* catalog is ordered in time so we can get start, end time and tObs *\/ */
/* firstTimeStamp = catalog->data[0].header.epoch; */
/* lastTimeStamp = catalog->data[catalog->length - 1].header.epoch; */
/* tObs = XLALGPSDiff( &lastTimeStamp, &firstTimeStamp ) + timeBase; */
/* /\*set pulsar reference time *\/ */
/* if (LALUserVarWasSet ( &uvar_refTime )) { */
/* XLALGPSSetREAL8(&refTime, uvar_refTime); */
/* } */
/* else { /\*if refTime is not set, set it to midpoint of sfts*\/ */
/* XLALGPSSetREAL8(&refTime, (0.5*tObs) + XLALGPSGetREAL8(&firstTimeStamp)); */
/* } */
/* /\* set frequency resolution defaults if not set by user *\/ */
/* if (!(LALUserVarWasSet (&uvar_fResolution))) { */
/* uvar_fResolution = 1/tObs; */
/* } */
/* { */
/* /\* block for calculating frequency range to read from SFTs *\/ */
/* /\* user specifies freq and fdot range at reftime */
/* we translate this range of fdots to start and endtime and find */
/* the largest frequency band required to cover the */
/* frequency evolution *\/ */
/* PulsarSpinRange spinRange_startTime; /\**< freq and fdot range at start-time of observation *\/ */
/* PulsarSpinRange spinRange_endTime; /\**< freq and fdot range at end-time of observation *\/ */
/* PulsarSpinRange spinRange_refTime; /\**< freq and fdot range at the reference time *\/ */
/* REAL8 startTime_freqLo, startTime_freqHi, endTime_freqLo, endTime_freqHi, freqLo, freqHi; */
/* REAL8Vector *fdotsMin=NULL; */
/* REAL8Vector *fdotsMax=NULL; */
/* UINT4 k; */
/* fdotsMin = (REAL8Vector *)LALCalloc(1, sizeof(REAL8Vector)); */
/* fdotsMin->length = N_SPINDOWN_DERIVS; */
/* fdotsMin->data = (REAL8 *)LALCalloc(fdotsMin->length, sizeof(REAL8)); */
/* fdotsMax = (REAL8Vector *)LALCalloc(1, sizeof(REAL8Vector)); */
/* fdotsMax->length = N_SPINDOWN_DERIVS; */
/* fdotsMax->data = (REAL8 *)LALCalloc(fdotsMax->length, sizeof(REAL8)); */
/* XLAL_INIT_MEM(spinRange_startTime); */
/* XLAL_INIT_MEM(spinRange_endTime); */
/* XLAL_INIT_MEM(spinRange_refTime); */
/* spinRange_refTime.refTime = refTime; */
/* spinRange_refTime.fkdot[0] = uvar_f0; */
/* spinRange_refTime.fkdotBand[0] = uvar_fBand; */
/* } */
/* FIXME: need to correct fMin and fMax for Doppler shift, rngmedian bins and spindown range */
/* this is essentially just a place holder for now */
/* FIXME: this running median buffer is overkill, since the running median block need not be centered on the search frequency */
REAL8 vMax = LAL_TWOPI * (uvar.orbitAsiniSec + uvar.orbitAsiniSecBand) / uvar.orbitPSec + LAL_TWOPI * LAL_REARTH_SI / (LAL_DAYSID_SI * LAL_C_SI) + LAL_TWOPI * LAL_AU_SI/(LAL_YRSID_SI * LAL_C_SI); /*calculate the maximum relative velocity in speed of light*/
fMin = uvar.fStart * (1 - vMax) - 0.5 * uvar.rngMedBlock * deltaF;
fMax = (uvar.fStart + uvar.fBand) * (1 + vMax) + 0.5 * uvar.rngMedBlock * deltaF;
/* read the SFTs*/
if ((inputSFTs = XLALLoadMultiSFTs ( config.catalog, fMin, fMax)) == NULL){
LogPrintf ( LOG_CRITICAL, "%s: XLALLoadMultiSFTs() failed with errno=%d\n", __func__, xlalErrno );
XLAL_ERROR( XLAL_EFUNC );
}
/* calculate the psd and normalize the SFTs */
if (( multiPSDs = XLALNormalizeMultiSFTVect ( inputSFTs, uvar.rngMedBlock, NULL )) == NULL){
LogPrintf ( LOG_CRITICAL, "%s: XLALNormalizeMultiSFTVect() failed with errno=%d\n", __func__, xlalErrno );
XLAL_ERROR( XLAL_EFUNC );
}
/* compute the noise weights for the AM coefficients */
if (( multiWeights = XLALComputeMultiNoiseWeights ( multiPSDs, uvar.rngMedBlock, 0 )) == NULL){
LogPrintf ( LOG_CRITICAL, "%s: XLALComputeMultiNoiseWeights() failed with errno=%d\n", __func__, xlalErrno );
XLAL_ERROR( XLAL_EFUNC );
}
/* read the timestamps from the SFTs */
if ((multiTimes = XLALExtractMultiTimestampsFromSFTs ( inputSFTs )) == NULL){
LogPrintf ( LOG_CRITICAL, "%s: XLALExtractMultiTimestampsFromSFTs() failed with errno=%d\n", __func__, xlalErrno );
XLAL_ERROR( XLAL_EFUNC );
}
/* read the detector information from the SFTs */
if ( XLALMultiLALDetectorFromMultiSFTs ( &multiDetectors, inputSFTs ) != XLAL_SUCCESS){
LogPrintf ( LOG_CRITICAL, "%s: XLALMultiLALDetectorFromMultiSFTs() failed with errno=%d\n", __func__, xlalErrno );
XLAL_ERROR( XLAL_EFUNC );
}
/* Find the detector state for each SFT */
/* Offset by Tsft/2 to get midpoint as timestamp */
if ((multiStates = XLALGetMultiDetectorStates ( multiTimes, &multiDetectors, config.edat, 0.5 * Tsft )) == NULL){
LogPrintf ( LOG_CRITICAL, "%s: XLALGetMultiDetectorStates() failed with errno=%d\n", __func__, xlalErrno );
XLAL_ERROR( XLAL_EFUNC );
}
/* Note this is specialized to a single sky position */
/* This might need to be moved into the config variables */
skyPos.system = COORDINATESYSTEM_EQUATORIAL;
skyPos.longitude = uvar.alphaRad;
skyPos.latitude = uvar.deltaRad;
/* Calculate the AM coefficients (a,b) for each SFT */
if ((multiCoeffs = XLALComputeMultiAMCoeffs ( multiStates, multiWeights, skyPos )) == NULL){
LogPrintf ( LOG_CRITICAL, "%s: XLALComputeMultiAMCoeffs() failed with errno=%d\n", __func__, xlalErrno );
XLAL_ERROR( XLAL_EFUNC );
}
/* Construct the flat list of SFTs (this sort of replicates the
catalog, but there's not an obvious way to get the information
back) */
if ( ( XLALCreateSFTIndexListFromMultiSFTVect( &sftIndices, inputSFTs ) != XLAL_SUCCESS ) ) {
LogPrintf ( LOG_CRITICAL, "%s: XLALCreateSFTIndexListFromMultiSFTVect() failed with errno=%d\n", __func__, xlalErrno );
XLAL_ERROR( XLAL_EFUNC );
}
/* Construct the list of SFT pairs */
#define PCC_SFTPAIR_HEADER "# The length of SFT-pair list is %u #\n"
#define PCC_SFTPAIR_BODY "%u %u\n"
#define PCC_SFT_HEADER "# The length of SFT list is %u #\n"
#define PCC_SFT_BODY "%s %d %d\n"
FILE *fp = NULL;
if (XLALUserVarWasSet(&uvar.pairListInputFilename)) { /* If the user provided a list for reading, use it */
if((sftPairs = XLALCalloc(1, sizeof(sftPairs))) == NULL){
XLAL_ERROR(XLAL_ENOMEM);
}
if((fp = fopen(uvar.pairListInputFilename, "r")) == NULL){
LogPrintf ( LOG_CRITICAL, "didn't find SFT-pair list file with given input name\n");
XLAL_ERROR( XLAL_EFUNC );
}
if(fscanf(fp,PCC_SFTPAIR_HEADER,&sftPairs->length)==EOF){
LogPrintf ( LOG_CRITICAL, "can't read the length of SFT-pair list from the header\n");
XLAL_ERROR( XLAL_EFUNC );
}
if((sftPairs->data = XLALCalloc(sftPairs->length, sizeof(*sftPairs->data)))==NULL){
XLALFree(sftPairs);
XLAL_ERROR(XLAL_ENOMEM);
}
for(j = 0; j < sftPairs->length; j++){ /*read in the SFT-pair list */
if(fscanf(fp,PCC_SFTPAIR_BODY, &sftPairs->data[j].sftNum[0], &sftPairs->data[j].sftNum[1])==EOF){
LogPrintf ( LOG_CRITICAL, "The length of SFT-pair list doesn't match!");
XLAL_ERROR( XLAL_EFUNC );
}
}
fclose(fp);
}
else { /* if not, construct the list of pairs */
if ( ( XLALCreateSFTPairIndexList( &sftPairs, sftIndices, inputSFTs, uvar.maxLag, uvar.inclAutoCorr ) != XLAL_SUCCESS ) ) {
LogPrintf ( LOG_CRITICAL, "%s: XLALCreateSFTPairIndexList() failed with errno=%d\n", __func__, xlalErrno );
XLAL_ERROR( XLAL_EFUNC );
}
}
if (XLALUserVarWasSet(&uvar.pairListOutputFilename)) { /* Write the list of pairs to a file, if a name was provided */
if((fp = fopen(uvar.pairListOutputFilename, "w")) == NULL){
LogPrintf ( LOG_CRITICAL, "Can't write in SFT-pair list \n");
XLAL_ERROR( XLAL_EFUNC );
}
fprintf(fp,PCC_SFTPAIR_HEADER, sftPairs->length ); /*output the length of SFT-pair list to the header*/
for(j = 0; j < sftPairs->length; j++){
fprintf(fp,PCC_SFTPAIR_BODY, sftPairs->data[j].sftNum[0], sftPairs->data[j].sftNum[1]);
}
fclose(fp);
}
if (XLALUserVarWasSet(&uvar.sftListOutputFilename)) { /* Write the list of SFTs to a file for sanity-checking purposes */
if((fp = fopen(uvar.sftListOutputFilename, "w")) == NULL){
LogPrintf ( LOG_CRITICAL, "Can't write in flat SFT list \n");
XLAL_ERROR( XLAL_EFUNC );
}
fprintf(fp,PCC_SFT_HEADER, sftIndices->length ); /*output the length of SFT list to the header*/
for(j = 0; j < sftIndices->length; j++){ /*output the SFT list */
fprintf(fp,PCC_SFT_BODY, inputSFTs->data[sftIndices->data[j].detInd]->data[sftIndices->data[j].sftInd].name, inputSFTs->data[sftIndices->data[j].detInd]->data[sftIndices->data[j].sftInd].epoch.gpsSeconds, inputSFTs->data[sftIndices->data[j].detInd]->data[sftIndices->data[j].sftInd].epoch.gpsNanoSeconds);
}
fclose(fp);
}
else if(XLALUserVarWasSet(&uvar.sftListInputFilename)){ /*do a sanity check of the order of SFTs list if the name of input SFT list is given*/
UINT4 numofsft=0;
if((fp = fopen(uvar.sftListInputFilename, "r")) == NULL){
LogPrintf ( LOG_CRITICAL, "Can't read in flat SFT list \n");
XLAL_ERROR( XLAL_EFUNC );
}
if (fscanf(fp, PCC_SFT_HEADER, &numofsft)==EOF){
LogPrintf ( LOG_CRITICAL, "can't read in the length of SFT list from header\n");
XLAL_ERROR( XLAL_EFUNC );
}
CHARVectorSequence *checkDet=NULL;
if ((checkDet = XLALCreateCHARVectorSequence (numofsft, LALNameLength) ) == NULL){
LogPrintf ( LOG_CRITICAL, "%s: XLALCreateCHARVector() failed with errno=%d\n", __func__, xlalErrno );
XLAL_ERROR( XLAL_EFUNC );
}
INT4 checkGPS[numofsft], checkGPSns[numofsft];
if(numofsft == sftIndices->length){
for (j=0; j<numofsft; j++){
if( fscanf(fp,PCC_SFT_BODY,&checkDet->data[j * LALNameLength], &checkGPS[j], &checkGPSns[j])==EOF){
LogPrintf ( LOG_CRITICAL, "The length of SFT list doesn't match\n");
XLAL_ERROR( XLAL_EFUNC );
}
if(strcmp( inputSFTs->data[sftIndices->data[j].detInd]->data[sftIndices->data[j].sftInd].name, &checkDet->data[j * LALNameLength] ) != 0
||inputSFTs->data[sftIndices->data[j].detInd]->data[sftIndices->data[j].sftInd].epoch.gpsSeconds != checkGPS[j]
||inputSFTs->data[sftIndices->data[j].detInd]->data[sftIndices->data[j].sftInd].epoch.gpsNanoSeconds != checkGPSns[j] ){
LogPrintf ( LOG_CRITICAL, "The order of SFTs has been changed, it's the end of civilization\n");
XLAL_ERROR( XLAL_EFUNC );
}
}
fclose(fp);
XLALDestroyCHARVectorSequence(checkDet);
}
else{
LogPrintf ( LOG_CRITICAL, "Run for your life, the length of SFT list doesn't match");
XLAL_ERROR( XLAL_EFUNC );
}
}
else
{
}
/* Get weighting factors for calculation of metric */
/* note that the sigma-squared is now absorbed into the curly G
because the AM coefficients are noise-weighted. */
REAL8Vector *GammaAve = NULL;
REAL8Vector *GammaCirc = NULL;
if ( ( XLALCalculateCrossCorrGammas( &GammaAve, &GammaCirc, sftPairs, sftIndices, multiCoeffs) != XLAL_SUCCESS ) ) {
LogPrintf ( LOG_CRITICAL, "%s: XLALCalculateCrossCorrGammas() failed with errno=%d\n", __func__, xlalErrno );
XLAL_ERROR( XLAL_EFUNC );
}
#define PCC_GAMMA_HEADER "# The normalization Sinv_Tsft is %g #\n"
#define PCC_GAMMA_BODY "%.10g\n"
if (XLALUserVarWasSet(&uvar.gammaAveOutputFilename)) { /* Write the aa+bb weight for each pair to a file, if a name was provided */
if((fp = fopen(uvar.gammaAveOutputFilename, "w")) == NULL) {
LogPrintf ( LOG_CRITICAL, "Can't write in Gamma_ave list \n");
XLAL_ERROR( XLAL_EFUNC );
}
fprintf(fp,PCC_GAMMA_HEADER, multiWeights->Sinv_Tsft); /*output the normalization factor to the header*/
for(j = 0; j < sftPairs->length; j++){
fprintf(fp,PCC_GAMMA_BODY, GammaAve->data[j]);
}
fclose(fp);
}
if (XLALUserVarWasSet(&uvar.gammaCircOutputFilename)) { /* Write the ab-ba weight for each pair to a file, if a name was provided */
if((fp = fopen(uvar.gammaCircOutputFilename, "w")) == NULL) {
LogPrintf ( LOG_CRITICAL, "Can't write in Gamma_circ list \n");
XLAL_ERROR( XLAL_EFUNC );
}
fprintf(fp,PCC_GAMMA_HEADER, multiWeights->Sinv_Tsft); /*output the normalization factor to the header*/
for(j = 0; j < sftPairs->length; j++){
fprintf(fp,PCC_GAMMA_BODY, GammaCirc->data[j]);
}
fclose(fp);
}
/*initialize binary parameters structure*/
XLAL_INIT_MEM(minBinaryTemplate);
XLAL_INIT_MEM(maxBinaryTemplate);
XLAL_INIT_MEM(thisBinaryTemplate);
XLAL_INIT_MEM(binaryTemplateSpacings);
/*fill in minbinaryOrbitParams*/
XLALGPSSetREAL8( &minBinaryTemplate.tp, uvar.orbitTimeAsc);
minBinaryTemplate.argp = 0.0;
minBinaryTemplate.asini = uvar.orbitAsiniSec;
minBinaryTemplate.ecc = 0.0;
minBinaryTemplate.period = uvar.orbitPSec;
minBinaryTemplate.fkdot[0] = uvar.fStart;
/*fill in maxBinaryParams*/
XLALGPSSetREAL8( &maxBinaryTemplate.tp, uvar.orbitTimeAsc + uvar.orbitTimeAscBand);
maxBinaryTemplate.argp = 0.0;
maxBinaryTemplate.asini = uvar.orbitAsiniSec + uvar.orbitAsiniSecBand;
maxBinaryTemplate.ecc = 0.0;
maxBinaryTemplate.period = uvar.orbitPSec;
maxBinaryTemplate.fkdot[0] = uvar.fStart + uvar.fBand;
/*fill in thisBinaryTemplate*/
XLALGPSSetREAL8( &thisBinaryTemplate.tp, uvar.orbitTimeAsc + 0.5 * uvar.orbitTimeAscBand);
thisBinaryTemplate.argp = 0.0;
thisBinaryTemplate.asini = 0.5*(minBinaryTemplate.asini + maxBinaryTemplate.asini);
thisBinaryTemplate.ecc = 0.0;
thisBinaryTemplate.period =0.5*(minBinaryTemplate.period + maxBinaryTemplate.period);
thisBinaryTemplate.fkdot[0]=0.5*(minBinaryTemplate.fkdot[0] + maxBinaryTemplate.fkdot[0]);
/*Get metric diagonal components, also estimate sensitivity i.e. E[rho]/(h0)^2 (4.13)*/
if ( (XLALCalculateLMXBCrossCorrDiagMetric(&estSens, &diagff, &diagaa, &diagTT, thisBinaryTemplate, GammaAve, sftPairs, sftIndices, inputSFTs, multiWeights /*, kappaValues*/) != XLAL_SUCCESS ) ) {
LogPrintf ( LOG_CRITICAL, "%s: XLALCalculateLMXBCrossCorrDiagMetric() failed with errno=%d\n", __func__, xlalErrno );
XLAL_ERROR( XLAL_EFUNC );
}
/* spacing in frequency from diagff */ /* set spacings in new dopplerparams struct */
if (XLALUserVarWasSet(&uvar.spacingF)) /* If spacing was given by CMD line, use it, else calculate spacing by mismatch*/
binaryTemplateSpacings.fkdot[0] = uvar.spacingF;
else
binaryTemplateSpacings.fkdot[0] = sqrt(uvar.mismatchF / diagff);
if (XLALUserVarWasSet(&uvar.spacingA))
binaryTemplateSpacings.asini = uvar.spacingA;
else
binaryTemplateSpacings.asini = sqrt(uvar.mismatchA / diagaa);
/* this is annoying: tp is a GPS time while we want a difference
in time which should be just REAL8 */
if (XLALUserVarWasSet(&uvar.spacingT))
XLALGPSSetREAL8( &binaryTemplateSpacings.tp, uvar.spacingT);
else
XLALGPSSetREAL8( &binaryTemplateSpacings.tp, sqrt(uvar.mismatchT / diagTT));
if (XLALUserVarWasSet(&uvar.spacingP))
binaryTemplateSpacings.period = uvar.spacingP;
else
binaryTemplateSpacings.period = sqrt(uvar.mismatchP / diagpp);
/* metric elements for eccentric case not considered? */
UINT8 fCount = 0, aCount = 0, tCount = 0 , pCount = 0;
const UINT8 fSpacingNum = floor( uvar.fBand / binaryTemplateSpacings.fkdot[0]);
const UINT8 aSpacingNum = floor( uvar.orbitAsiniSecBand / binaryTemplateSpacings.asini);
const UINT8 tSpacingNum = floor( uvar.orbitTimeAscBand / XLALGPSGetREAL8(&binaryTemplateSpacings.tp));
const UINT8 pSpacingNum = floor( uvar.orbitPSecBand / binaryTemplateSpacings.period);
/*reset minbinaryOrbitParams to shift the first point a factor so as to make the center of all seaching points centers at the center of searching band*/
minBinaryTemplate.fkdot[0] = uvar.fStart + 0.5 * (uvar.fBand - fSpacingNum * binaryTemplateSpacings.fkdot[0]);
minBinaryTemplate.asini = uvar.orbitAsiniSec + 0.5 * (uvar.orbitAsiniSecBand - aSpacingNum * binaryTemplateSpacings.asini);
XLALGPSSetREAL8( &minBinaryTemplate.tp, uvar.orbitTimeAsc + 0.5 * (uvar.orbitTimeAscBand - tSpacingNum * XLALGPSGetREAL8(&binaryTemplateSpacings.tp)));
minBinaryTemplate.period = uvar.orbitPSec + 0.5 * (uvar.orbitPSecBand - pSpacingNum * binaryTemplateSpacings.period);
/* initialize the doppler scan struct which stores the current template information */
XLALGPSSetREAL8(&dopplerpos.refTime, config.refTime);
dopplerpos.Alpha = uvar.alphaRad;
dopplerpos.Delta = uvar.deltaRad;
dopplerpos.fkdot[0] = minBinaryTemplate.fkdot[0];
/* set all spindowns to zero */
for (k=1; k < PULSAR_MAX_SPINS; k++)
dopplerpos.fkdot[k] = 0.0;
dopplerpos.asini = minBinaryTemplate.asini;
dopplerpos.period = minBinaryTemplate.period;
dopplerpos.tp = minBinaryTemplate.tp;
dopplerpos.ecc = minBinaryTemplate.ecc;
dopplerpos.argp = minBinaryTemplate.argp;
/* now set the initial values of binary parameters */
/* thisBinaryTemplate.asini = uvar.orbitAsiniSec;
thisBinaryTemplate.period = uvar.orbitPSec;
XLALGPSSetREAL8( &thisBinaryTemplate.tp, uvar.orbitTimeAsc);
thisBinaryTemplate.ecc = 0.0;
thisBinaryTemplate.argp = 0.0;*/
/* copy to dopplerpos */
/* Calculate SSB times (can do this once since search is currently only for one sky position, and binary doppler shift is added later) */
MultiSSBtimes *multiSSBTimes = NULL;
if ((multiSSBTimes = XLALGetMultiSSBtimes ( multiStates, skyPos, dopplerpos.refTime, SSBPREC_RELATIVISTICOPT )) == NULL){
LogPrintf ( LOG_CRITICAL, "%s: XLALGetMultiSSBtimes() failed with errno=%d\n", __func__, xlalErrno );
XLAL_ERROR( XLAL_EFUNC );
}
/* "New" general metric computation */
/* For now hard-code circular parameter space */
const DopplerCoordinateSystem coordSys = {
.dim = 4,
.coordIDs = { DOPPLERCOORD_FREQ,
DOPPLERCOORD_ASINI,
DOPPLERCOORD_TASC,
DOPPLERCOORD_PORB, },
};
REAL8VectorSequence *phaseDerivs = NULL;
if ( ( XLALCalculateCrossCorrPhaseDerivatives ( &phaseDerivs, &thisBinaryTemplate, config.edat, sftIndices, multiSSBTimes, &coordSys ) != XLAL_SUCCESS ) ) {
LogPrintf ( LOG_CRITICAL, "%s: XLALCalculateCrossCorrPhaseDerivatives() failed with errno=%d\n", __func__, xlalErrno );
XLAL_ERROR( XLAL_EFUNC );
}
/* fill in metric and parameter offsets */
gsl_matrix *g_ij = NULL;
gsl_vector *eps_i = NULL;
REAL8 sumGammaSq = 0;
if ( ( XLALCalculateCrossCorrPhaseMetric ( &g_ij, &eps_i, &sumGammaSq, phaseDerivs, sftPairs, GammaAve, GammaCirc, &coordSys ) != XLAL_SUCCESS ) ) {
LogPrintf ( LOG_CRITICAL, "%s: XLALCalculateCrossCorrPhaseMetric() failed with errno=%d\n", __func__, xlalErrno );
XLAL_ERROR( XLAL_EFUNC );
}
XLALDestroyREAL8VectorSequence ( phaseDerivs );
XLALDestroyREAL8Vector ( GammaCirc );
if ((fp = fopen("gsldata.dat","w"))==NULL){
LogPrintf ( LOG_CRITICAL, "Can't write in gsl matrix file");
XLAL_ERROR( XLAL_EFUNC );
}
XLALfprintfGSLvector(fp, "%g", eps_i);
XLALfprintfGSLmatrix(fp, "%g", g_ij);
/* Allocate structure for binary doppler-shifting information */
if ((multiBinaryTimes = XLALDuplicateMultiSSBtimes ( multiSSBTimes )) == NULL){
LogPrintf ( LOG_CRITICAL, "%s: XLALDuplicateMultiSSBtimes() failed with errno=%d\n", __func__, xlalErrno );
XLAL_ERROR( XLAL_EFUNC );
}
UINT8 numSFTs = sftIndices->length;
if ((shiftedFreqs = XLALCreateREAL8Vector ( numSFTs ) ) == NULL){
LogPrintf ( LOG_CRITICAL, "%s: XLALCreateREAL8Vector() failed with errno=%d\n", __func__, xlalErrno );
XLAL_ERROR( XLAL_EFUNC );
}
if ((lowestBins = XLALCreateUINT4Vector ( numSFTs ) ) == NULL){
LogPrintf ( LOG_CRITICAL, "%s: XLALCreateUINT4Vector() failed with errno=%d\n", __func__, xlalErrno );
XLAL_ERROR( XLAL_EFUNC );
}
if ((expSignalPhases = XLALCreateCOMPLEX8Vector ( numSFTs ) ) == NULL){
LogPrintf ( LOG_CRITICAL, "%s: XLALCreateREAL8Vector() failed with errno=%d\n", __func__, xlalErrno );
XLAL_ERROR( XLAL_EFUNC );
}
if ((sincList = XLALCreateREAL8VectorSequence ( numSFTs, uvar.numBins ) ) == NULL){
LogPrintf ( LOG_CRITICAL, "%s: XLALCreateREAL8VectorSequence() failed with errno=%d\n", __func__, xlalErrno );
XLAL_ERROR( XLAL_EFUNC );
}
/* args should be : spacings, min and max doppler params */
BOOLEAN firstPoint = TRUE; /* a boolean to help to search at the beginning point in parameter space, after the search it is set to be FALSE to end the loop*/
if ( (XLALAddMultiBinaryTimes( &multiBinaryTimes, multiSSBTimes, &dopplerpos ) != XLAL_SUCCESS ) ) {
LogPrintf ( LOG_CRITICAL, "%s: XLALAddMultiBinaryTimes() failed with errno=%d\n", __func__, xlalErrno );
XLAL_ERROR( XLAL_EFUNC );
} /*Need to apply additional doppler shifting before the loop, or the first point in parameter space will be lost and return a wrong SNR when fBand!=0*/
while ( GetNextCrossCorrTemplate(&dopplerShiftFlag, &firstPoint, &dopplerpos, &binaryTemplateSpacings, &minBinaryTemplate, &maxBinaryTemplate, &fCount, &aCount, &tCount, &pCount, fSpacingNum, aSpacingNum, tSpacingNum, pSpacingNum) == 0)
{
/* do useful stuff here*/
/* Apply additional Doppler shifting using current binary orbital parameters */
/* Might want to be clever about checking whether we've changed the orbital parameters or only the frequency */
if (dopplerShiftFlag == TRUE)
{
if ( (XLALAddMultiBinaryTimes( &multiBinaryTimes, multiSSBTimes, &dopplerpos ) != XLAL_SUCCESS ) ) {
LogPrintf ( LOG_CRITICAL, "%s: XLALAddMultiBinaryTimes() failed with errno=%d\n", __func__, xlalErrno );
XLAL_ERROR( XLAL_EFUNC );
}
}
if ( (XLALGetDopplerShiftedFrequencyInfo( shiftedFreqs, lowestBins, expSignalPhases, sincList, uvar.numBins, &dopplerpos, sftIndices, inputSFTs, multiBinaryTimes, Tsft ) != XLAL_SUCCESS ) ) {
LogPrintf ( LOG_CRITICAL, "%s: XLALGetDopplerShiftedFrequencyInfo() failed with errno=%d\n", __func__, xlalErrno );
XLAL_ERROR( XLAL_EFUNC );
}
if ( (XLALCalculatePulsarCrossCorrStatistic( &ccStat, &evSquared, GammaAve, expSignalPhases, lowestBins, sincList, sftPairs, sftIndices, inputSFTs, multiWeights, uvar.numBins) != XLAL_SUCCESS ) ) {
LogPrintf ( LOG_CRITICAL, "%s: XLALCalculatePulsarCrossCorrStatistic() failed with errno=%d\n", __func__, xlalErrno );
XLAL_ERROR( XLAL_EFUNC );
}
/* fill candidate struct and insert into toplist if necessary */
thisCandidate.freq = dopplerpos.fkdot[0];
thisCandidate.tp = XLALGPSGetREAL8( &dopplerpos.tp );
thisCandidate.argp = dopplerpos.argp;
thisCandidate.asini = dopplerpos.asini;
thisCandidate.ecc = dopplerpos.ecc;
thisCandidate.period = dopplerpos.period;
thisCandidate.rho = ccStat;
thisCandidate.evSquared = evSquared;
thisCandidate.estSens = estSens;
insert_into_crossCorrBinary_toplist(ccToplist, thisCandidate);
} /* end while loop over templates */
/* write candidates to file */
sort_crossCorrBinary_toplist( ccToplist );
/* add error checking */
final_write_crossCorrBinary_toplist_to_file( ccToplist, uvar.toplistFilename, &checksum);
REAL8 h0Sens = sqrt((10 / sqrt(estSens))); /*for a SNR=10 signal, the h0 we can detect*/
XLALGPSTimeNow (&computingEndGPSTime); /*record the rough end time*/
UINT4 computingTime = computingEndGPSTime.gpsSeconds - computingStartGPSTime.gpsSeconds;
/* make a meta-data file*/
if(XLALUserVarWasSet(&uvar.logFilename)){
CHAR *CMDInputStr = XLALUserVarGetLog ( UVAR_LOGFMT_CFGFILE );
if ((fp = fopen(uvar.logFilename,"w"))==NULL){
LogPrintf ( LOG_CRITICAL, "Can't write in logfile");
XLAL_ERROR( XLAL_EFUNC );
}
fprintf(fp, "[UserInput]\n\n");
fprintf(fp, "%s\n", CMDInputStr);
fprintf(fp, "[CalculatedValues]\n\n");
fprintf(fp, "g_ff = %.9f\n", diagff );
fprintf(fp, "g_aa = %.9f\n", diagaa );
fprintf(fp, "g_TT = %.9f\n", diagTT );
fprintf(fp, "FSpacing = %.9g\n", binaryTemplateSpacings.fkdot[0]);
fprintf(fp, "ASpacing = %.9g\n", binaryTemplateSpacings.asini);
fprintf(fp, "TSpacing = %.9g\n", XLALGPSGetREAL8(&binaryTemplateSpacings.tp));
/* fprintf(fp, "PSpacing = %.9g\n", binaryTemplateSpacings.period );*/
fprintf(fp, "TemplatenumF = %" LAL_UINT8_FORMAT "\n", (fSpacingNum + 1));
fprintf(fp, "TemplatenumA = %" LAL_UINT8_FORMAT "\n", (aSpacingNum + 1));
fprintf(fp, "TemplatenumT = %" LAL_UINT8_FORMAT "\n", (tSpacingNum + 1));
fprintf(fp, "TemplatenumP = %" LAL_UINT8_FORMAT "\n", (pSpacingNum + 1));
fprintf(fp, "TemplatenumTotal = %" LAL_UINT8_FORMAT "\n",(fSpacingNum + 1) * (aSpacingNum + 1) * (tSpacingNum + 1) * (pSpacingNum + 1));
fprintf(fp, "Sens = %.9g\n", estSens);/*(E[rho]/h0^2)^2*/
fprintf(fp, "h0_min_SNR10 = %.9g\n", h0Sens);/*for rho = 10 in our pipeline*/
fprintf(fp, "startTime = %" LAL_INT4_FORMAT "\n", computingStartGPSTime.gpsSeconds );/*start time in GPS-time*/
fprintf(fp, "endTime = %" LAL_INT4_FORMAT "\n", computingEndGPSTime.gpsSeconds );/*end time in GPS-time*/
fprintf(fp, "computingTime = %" LAL_UINT4_FORMAT "\n", computingTime );/*total time in sec*/
fprintf(fp, "SFTnum = %" LAL_UINT4_FORMAT "\n", sftIndices->length);/*total number of SFT*/
fprintf(fp, "pairnum = %" LAL_UINT4_FORMAT "\n", sftPairs->length);/*total number of pair of SFT*/
fprintf(fp, "Tsft = %.6g\n", Tsft);/*SFT duration*/
fprintf(fp, "\n[Version]\n\n");
fprintf(fp, "%s", VCSInfoString);
fclose(fp);
XLALFree(CMDInputStr);
}
XLALFree(VCSInfoString);
XLALDestroyCOMPLEX8Vector ( expSignalPhases );
XLALDestroyUINT4Vector ( lowestBins );
XLALDestroyREAL8Vector ( shiftedFreqs );
XLALDestroyREAL8VectorSequence ( sincList );
XLALDestroyMultiSSBtimes ( multiBinaryTimes );
XLALDestroyMultiSSBtimes ( multiSSBTimes );
XLALDestroyREAL8Vector ( GammaAve );
XLALDestroySFTPairIndexList( sftPairs );
XLALDestroySFTIndexList( sftIndices );
XLALDestroyMultiAMCoeffs ( multiCoeffs );
XLALDestroyMultiDetectorStateSeries ( multiStates );
XLALDestroyMultiTimestamps ( multiTimes );
XLALDestroyMultiNoiseWeights ( multiWeights );
XLALDestroyMultiPSDVector ( multiPSDs );
XLALDestroyMultiSFTVector ( inputSFTs );
/* de-allocate memory for configuration variables */
XLALDestroyConfigVars ( &config );
/* de-allocate memory for user input variables */
XLALDestroyUserVars();
/* free toplist memory */
free_crossCorr_toplist(&ccToplist);
/* check memory leaks if we forgot to de-allocate anything */
LALCheckMemoryLeaks();
LogPrintf (LOG_CRITICAL, "End time\n");/*for debug convenience to record calculating time*/
return 0;
} /* main */
/* initialize and register user variables */
int XLALInitUserVars (UserInput_t *uvar)
{
/* initialize with some defaults */
uvar->help = FALSE;
uvar->maxLag = 0.0;
uvar->inclAutoCorr = FALSE;
uvar->fStart = 100.0;
uvar->fBand = 0.1;
/* uvar->fdotStart = 0.0; */
/* uvar->fdotBand = 0.0; */
uvar->alphaRad = 0.0;
uvar->deltaRad = 0.0;
uvar->refTime = 0.0;
uvar->rngMedBlock = 50;
uvar->numBins = 1;
/* zero binary orbital parameters means not a binary */
uvar->orbitAsiniSec = 0.0;
uvar->orbitAsiniSecBand = 0.0;
uvar->orbitPSec = 0.0;
uvar->orbitPSecBand = 0.0;
uvar->orbitTimeAsc = 0;
uvar->orbitTimeAscBand = 0;
/*default mismatch values */
/* set to 0.1 by default -- for no real reason */
/* make 0.1 a macro? */
uvar->mismatchF = 0.1;
uvar->mismatchA = 0.1;
uvar->mismatchT = 0.1;
uvar->mismatchP = 0.1;
uvar->ephemEarth = XLALStringDuplicate("earth00-19-DE405.dat.gz");
uvar->ephemSun = XLALStringDuplicate("sun00-19-DE405.dat.gz");
uvar->sftLocation = XLALCalloc(1, MAXFILENAMELENGTH+1);
/* initialize number of candidates in toplist -- default is just to return the single best candidate */
uvar->numCand = 1;
uvar->toplistFilename = XLALStringDuplicate("toplist_crosscorr.dat");
uvar->version = FALSE;
/* register user-variables */
XLALregBOOLUserStruct ( help, 'h', UVAR_HELP, "Print this message");
XLALregINTUserStruct ( startTime, 0, UVAR_REQUIRED, "Desired start time of analysis in GPS seconds");
XLALregINTUserStruct ( endTime, 0, UVAR_REQUIRED, "Desired end time of analysis in GPS seconds");
XLALregREALUserStruct ( maxLag, 0, UVAR_OPTIONAL, "Maximum lag time in seconds between SFTs in correlation");
XLALregBOOLUserStruct ( inclAutoCorr, 0, UVAR_OPTIONAL, "Include auto-correlation terms (an SFT with itself)");
XLALregREALUserStruct ( fStart, 0, UVAR_OPTIONAL, "Start frequency in Hz");
XLALregREALUserStruct ( fBand, 0, UVAR_OPTIONAL, "Frequency band to search over in Hz ");
/* XLALregREALUserStruct ( fdotStart, 0, UVAR_OPTIONAL, "Start value of spindown in Hz/s"); */
/* XLALregREALUserStruct ( fdotBand, 0, UVAR_OPTIONAL, "Band for spindown values in Hz/s"); */
XLALregREALUserStruct ( alphaRad, 0, UVAR_OPTIONAL, "Right ascension for directed search (radians)");
XLALregREALUserStruct ( deltaRad, 0, UVAR_OPTIONAL, "Declination for directed search (radians)");
XLALregREALUserStruct ( refTime, 0, UVAR_OPTIONAL, "SSB reference time for pulsar-parameters [Default: midPoint]");
XLALregREALUserStruct ( orbitAsiniSec, 0, UVAR_OPTIONAL, "Start of search band for projected semimajor axis (seconds) [0 means not a binary]");
XLALregREALUserStruct ( orbitAsiniSecBand, 0, UVAR_OPTIONAL, "Width of search band for projected semimajor axis (seconds)");
XLALregREALUserStruct ( orbitPSec, 0, UVAR_OPTIONAL, "Binary orbital period (seconds) [0 means not a binary]");
XLALregREALUserStruct ( orbitPSecBand, 0, UVAR_OPTIONAL, "Band for binary orbital period (seconds) ");
XLALregREALUserStruct ( orbitTimeAsc, 0, UVAR_OPTIONAL, "Start of orbital time-of-ascension band in GPS seconds");
XLALregREALUserStruct ( orbitTimeAscBand, 0, UVAR_OPTIONAL, "Width of orbital time-of-ascension band (seconds)");
XLALregSTRINGUserStruct( ephemEarth, 0, UVAR_OPTIONAL, "Earth ephemeris file to use");
XLALregSTRINGUserStruct( ephemSun, 0, UVAR_OPTIONAL, "Sun ephemeris file to use");
XLALregSTRINGUserStruct( sftLocation, 0, UVAR_REQUIRED, "Filename pattern for locating SFT data");
XLALregINTUserStruct ( rngMedBlock, 0, UVAR_OPTIONAL, "Running median block size for PSD estimation");
XLALregINTUserStruct ( numBins, 0, UVAR_OPTIONAL, "Number of frequency bins to include in calculation");
XLALregREALUserStruct ( mismatchF, 0, UVAR_OPTIONAL, "Desired mismatch for frequency spacing");
XLALregREALUserStruct ( mismatchA, 0, UVAR_OPTIONAL, "Desired mismatch for asini spacing");
XLALregREALUserStruct ( mismatchT, 0, UVAR_OPTIONAL, "Desired mismatch for periapse passage time spacing");
XLALregREALUserStruct ( mismatchP, 0, UVAR_OPTIONAL, "Desired mismatch for period spacing");
XLALregREALUserStruct ( spacingF, 0, UVAR_OPTIONAL, "Desired frequency spacing");
XLALregREALUserStruct ( spacingA, 0, UVAR_OPTIONAL, "Desired asini spacing");
XLALregREALUserStruct ( spacingT, 0, UVAR_OPTIONAL, "Desired periapse passage time spacing");
XLALregREALUserStruct ( spacingP, 0, UVAR_OPTIONAL, "Desired period spacing");
XLALregINTUserStruct ( numCand, 0, UVAR_OPTIONAL, "Number of candidates to keep in toplist");
XLALregSTRINGUserStruct( pairListInputFilename, 0, UVAR_OPTIONAL, "Name of file from which to read list of SFT pairs");
XLALregSTRINGUserStruct( pairListOutputFilename, 0, UVAR_OPTIONAL, "Name of file to which to write list of SFT pairs");
XLALregSTRINGUserStruct( sftListOutputFilename, 0, UVAR_OPTIONAL, "Name of file to which to write list of SFTs (for sanity checks)");
XLALregSTRINGUserStruct( sftListInputFilename, 0, UVAR_OPTIONAL, "Name of file to which to read in list of SFTs (for sanity checks)");
XLALregSTRINGUserStruct( gammaAveOutputFilename, 0, UVAR_OPTIONAL, "Name of file to which to write aa+bb weights (for e.g., false alarm estimation)");
XLALregSTRINGUserStruct( gammaCircOutputFilename, 0, UVAR_OPTIONAL, "Name of file to which to write ab-ba weights (for e.g., systematic error)");
XLALregSTRINGUserStruct( toplistFilename, 0, UVAR_OPTIONAL, "Output filename containing candidates in toplist");
XLALregSTRINGUserStruct( logFilename, 0, UVAR_OPTIONAL, "Output a meta-data file for the search");
XLALregBOOLUserStruct ( version, 'V', UVAR_SPECIAL, "Output version(VCS) information");
if ( xlalErrno ) {
XLALPrintError ("%s: user variable initialization failed with errno = %d.\n", __func__, xlalErrno );
XLAL_ERROR ( XLAL_EFUNC );
}
return XLAL_SUCCESS;
}
/** Initialize Fstat-code: handle user-input and set everything up. */
int
XLALInitCode ( ConfigVariables *cfg, const UserInput_t *uvar )
{
/* generate log-string for file-output, containing cmdline-options + code VCS version info */
char *vcs;
if ( (vcs = XLALGetVersionString(0)) == NULL ) { /* short VCS version string */
XLALPrintError ( "%s: XLALGetVersionString(0) failed with errno=%d.\n", __func__, xlalErrno );
XLAL_ERROR ( XLAL_EFUNC );
}
char *cmdline;
if ( (cmdline = XLALUserVarGetLog ( UVAR_LOGFMT_CMDLINE )) == NULL ) {
XLALPrintError ( "%s: XLALUserVarGetLog ( UVAR_LOGFMT_CMDLINE ) failed with errno=%d.\n", __func__, xlalErrno );
XLAL_ERROR ( XLAL_EFUNC );
}
const char fmt[] = "%%%% cmdline: %s\n%%%%\n%s%%%%\n";
UINT4 len = strlen(vcs) + strlen(cmdline) + strlen(fmt) + 1;
if ( ( cfg->logString = XLALMalloc ( len )) == NULL ) {
XLALPrintError ("%s: XLALMalloc ( %d ) failed.\n", __func__, len );
XLAL_ERROR ( XLAL_ENOMEM );
}
sprintf ( cfg->logString, fmt, cmdline, vcs );
XLALFree ( cmdline );
XLALFree ( vcs );
/* trivial settings from user-input */
cfg->SignalOnly = uvar->SignalOnly;
/* ----- parse user-input on signal amplitude-paramters + ranges ----- */
/* skypos */
cfg->skypos.longitude = uvar->Alpha; /* Alpha < 0 indicates 'allsky' */
cfg->skypos.latitude = uvar->Delta;
cfg->skypos.system = COORDINATESYSTEM_EQUATORIAL;
/* ----- amplitude-params: create prior pdfs reflecting the user-input */
if ( XLALInitAmplitudePrior ( &cfg->AmpPrior, uvar ) != XLAL_SUCCESS )
XLAL_ERROR ( XLAL_EFUNC );
/* ----- initialize random-number generator ----- */
/* read out environment variables GSL_RNG_xxx
* GSL_RNG_SEED: use to set random seed: default = 0, override by using --randSeed on cmdline
* GSL_RNG_TYPE: type of random-number generator to use: default = 'mt19937'
*/
gsl_rng_env_setup ();
/* allow overriding the random-seed per command-line */
if ( XLALUserVarWasSet ( &uvar->randSeed ) )
gsl_rng_default_seed = uvar->randSeed;
cfg->rng = gsl_rng_alloc (gsl_rng_default);
LogPrintf ( LOG_DEBUG, "random-number generator type: %s\n", gsl_rng_name (cfg->rng));
LogPrintf ( LOG_DEBUG, "seed = %lu\n", gsl_rng_default_seed );
/* init ephemeris-data */
EphemerisData *edat = XLALInitBarycenter( uvar->ephemEarth, uvar->ephemSun );
if ( !edat ) {
LogPrintf ( LOG_CRITICAL, "%s: XLALInitBarycenter failed: could not load Earth ephemeris '%s' and Sun ephemeris '%s'\n", __func__, uvar->ephemEarth, uvar->ephemSun);
XLAL_ERROR ( XLAL_EFUNC );
}
UINT4 numDetectors = uvar->IFOs->length;
MultiLALDetector multiDet;
XLAL_CHECK ( XLALParseMultiLALDetector ( &multiDet, uvar->IFOs ) == XLAL_SUCCESS, XLAL_EFUNC );
/* init timestamps vector covering observation time */
UINT4 numSteps = (UINT4) ceil ( uvar->dataDuration / uvar->TAtom );
MultiLIGOTimeGPSVector * multiTS;
if ( (multiTS = XLALCreateMultiLIGOTimeGPSVector (numDetectors)) == NULL ) {
XLALPrintError ("%s: XLALCreateMultiLIGOTimeGPSVector(%d) failed.\n", __func__, numDetectors );
}
for ( UINT4 X=0; X < numDetectors; X++ ) {
if ( (multiTS->data[X] = XLALCreateTimestampVector (numSteps)) == NULL ) {
XLALPrintError ("%s: XLALCreateTimestampVector(%d) failed.\n", __func__, numSteps );
}
multiTS->data[X]->deltaT = uvar->TAtom;
UINT4 i;
for ( i=0; i < numSteps; i ++ )
{
UINT4 ti = uvar->dataStartGPS + i * uvar->TAtom;
multiTS->data[X]->data[i].gpsSeconds = ti;
multiTS->data[X]->data[i].gpsNanoSeconds = 0;
}
}
/* get detector states */
if ( (cfg->multiDetStates = XLALGetMultiDetectorStates ( multiTS, &multiDet, edat, 0.5 * uvar->TAtom )) == NULL ) {
XLALPrintError ( "%s: XLALGetMultiDetectorStates() failed.\n", __func__ );
XLAL_ERROR ( XLAL_EFUNC );
}
if ( uvar->sqrtSX ) { /* translate user-input PSD sqrt(SX) to noise-weights (this actually does not care whether they were normalized or not) */
/* parse input comma-separated list */
MultiNoiseFloor multiNoiseFloor;
XLAL_CHECK ( XLALParseMultiNoiseFloor ( &multiNoiseFloor, uvar->sqrtSX, numDetectors ) == XLAL_SUCCESS, XLAL_EFUNC );
/* translate to noise weights */
XLAL_CHECK ( ( cfg->multiNoiseWeights = XLALComputeConstantMultiNoiseWeightsFromNoiseFloor ( &multiNoiseFloor, multiTS, uvar->TAtom ) ) != NULL, XLAL_EFUNC );
} /* if ( uvar->sqrtSX ) */
/* get rid of all temporary memory allocated for this step */
XLALDestroyEphemerisData ( edat );
XLALDestroyMultiTimestamps ( multiTS );
multiTS = NULL;
/* ---------- initialize transient window ranges, for injection ... ---------- */
cfg->transientInjectRange.type = TRANSIENT_NONE; /* default: no transient signal window */
/* apply correct defaults if unset: t0=dataStart, t0Band=dataDuration-3*tauMax */
// cfg->transientInjectRange.t0 = uvar->dataStartGPS + uvar->injectWindow_t0Days * DAY24;
cfg->transientSearchRange = cfg->transientInjectRange;
return XLAL_SUCCESS;
} /* XLALInitCode() */
// ---------- main ----------
int
main ( int argc, char *argv[] )
{
// ---------- handle user input ----------
UserInput_t XLAL_INIT_DECL(uvar_s);
UserInput_t *uvar = &uvar_s;
uvar->FstatMethod = XLALStringDuplicate("ResampBest");
uvar->Freq = 100;
uvar->f1dot = -3e-9;
uvar->FreqResolution = XLALCreateREAL8Vector ( 2 );
uvar->FreqResolution->data[0] = 1;
uvar->FreqResolution->data[1] = 10;
uvar->numFreqBins = XLALCreateINT4Vector ( 2 );
uvar->numFreqBins->data[0] = 1000;
uvar->numFreqBins->data[1] = 100000;
uvar->Tseg = 60 * 3600;
uvar->numSegments = 90;
uvar->numTrials = 1;
uvar->Tsft = 1800;
uvar->runBuffered = 0;
XLAL_CHECK ( (uvar->IFOs = XLALCreateStringVector ( "H1", NULL )) != NULL, XLAL_EFUNC );
uvar->outputInfo = NULL;
XLAL_CHECK ( XLALRegisterUvarMember ( help, BOOLEAN, 'h', HELP, "Print help message" ) == XLAL_SUCCESS, XLAL_EFUNC );
XLAL_CHECK ( XLALRegisterUvarMember ( FstatMethod, STRING, 0, OPTIONAL, XLALFstatMethodHelpString() ) == XLAL_SUCCESS, XLAL_EFUNC );
XLAL_CHECK ( XLALRegisterUvarMember ( Freq, REAL8, 0, OPTIONAL, "Search frequency in Hz" ) == XLAL_SUCCESS, XLAL_EFUNC );
XLAL_CHECK ( XLALRegisterUvarMember ( f1dot, REAL8, 0, OPTIONAL, "Search spindown f1dot in Hz/s" ) == XLAL_SUCCESS, XLAL_EFUNC );
XLAL_CHECK ( XLALRegisterUvarMember ( FreqResolution, REAL8Vector, 0, OPTIONAL, "Range of frequency resolution factor 'r' (st dFreq = 1/(r*T)) [2-number range input]" ) == XLAL_SUCCESS, XLAL_EFUNC );
XLAL_CHECK ( XLALRegisterUvarMember ( Tseg, REAL8, 0, OPTIONAL, "Coherent segment length" ) == XLAL_SUCCESS, XLAL_EFUNC );
XLAL_CHECK ( XLALRegisterUvarMember ( numSegments, INT4, 0, OPTIONAL, "Number of semi-coherent segment" ) == XLAL_SUCCESS, XLAL_EFUNC );
XLAL_CHECK ( XLALRegisterUvarMember ( numFreqBins, INT4Vector, 0, OPTIONAL, "Range of number of frequency bins to search [2-number range input]" ) == XLAL_SUCCESS, XLAL_EFUNC );
XLAL_CHECK ( XLALRegisterUvarMember ( IFOs, STRINGVector, 0, OPTIONAL, "IFOs to use" ) == XLAL_SUCCESS, XLAL_EFUNC );
XLAL_CHECK ( XLALRegisterUvarMember ( numTrials, INT4, 0, OPTIONAL, "Number of repeated trials to run (with potentially randomized parameters)" ) == XLAL_SUCCESS, XLAL_EFUNC );
XLAL_CHECK ( XLALRegisterUvarMember ( outputInfo, STRING, 0, OPTIONAL, "Append Resampling internal info into this file") == XLAL_SUCCESS, XLAL_EFUNC );
XLAL_CHECK ( XLALRegisterUvarMember ( Tsft, REAL8, 0, DEVELOPER, "SFT length" ) == XLAL_SUCCESS, XLAL_EFUNC );
XLAL_CHECK ( XLALRegisterUvarMember ( runBuffered, BOOLEAN, 0, DEVELOPER, "Explicitly time buffered Fstat call (only useful for double-checking and Demod timing)" ) == XLAL_SUCCESS, XLAL_EFUNC );
XLAL_CHECK ( XLALUserVarReadAllInput(argc, argv) == XLAL_SUCCESS, XLAL_EFUNC );
if (uvar->help) { // if help was requested, we're done here
return XLAL_SUCCESS;
}
// check user input
XLAL_CHECK ( uvar->numSegments >= 1, XLAL_EINVAL );
XLAL_CHECK ( (uvar->FreqResolution->length == 1) || (uvar->FreqResolution->length == 2), XLAL_EINVAL );
XLAL_CHECK ( uvar->FreqResolution->data[0] > 0, XLAL_EINVAL );
REAL8 FreqResolutionMin, FreqResolutionMax;
FreqResolutionMin = FreqResolutionMax = uvar->FreqResolution->data[0];
if ( uvar->FreqResolution->length == 2 )
{
XLAL_CHECK ( uvar->FreqResolution->data[1] > 0, XLAL_EINVAL );
XLAL_CHECK ( uvar->FreqResolution->data[1] > uvar->FreqResolution->data[0], XLAL_EINVAL );
FreqResolutionMax = uvar->FreqResolution->data[1];
}
XLAL_CHECK ( uvar->Freq > 0, XLAL_EINVAL );
XLAL_CHECK ( uvar->Tseg > uvar->Tsft, XLAL_EINVAL );
XLAL_CHECK ( uvar->Tsft > 1, XLAL_EINVAL );
XLAL_CHECK ( (uvar->numFreqBins->length == 1) || (uvar->numFreqBins->length == 2), XLAL_EINVAL );
XLAL_CHECK ( uvar->numFreqBins->data[0] > 0, XLAL_EINVAL );
UINT4 numFreqBinsMax, numFreqBinsMin;
numFreqBinsMin = numFreqBinsMax = uvar->numFreqBins->data[0];
if ( uvar->numFreqBins->length == 2 )
{
XLAL_CHECK ( uvar->numFreqBins->data[1] > 0, XLAL_EINVAL );
XLAL_CHECK ( uvar->numFreqBins->data[1] > uvar->numFreqBins->data[0], XLAL_EINVAL );
numFreqBinsMax = uvar->numFreqBins->data[1];
}
XLAL_CHECK ( uvar->numTrials >= 1, XLAL_EINVAL );
// ---------- end: handle user input ----------
// common setup over repeated trials
FstatMethodType FstatMethod;
XLAL_CHECK ( XLALParseFstatMethodString ( &FstatMethod, uvar->FstatMethod ) == XLAL_SUCCESS, XLAL_EFUNC );
EphemerisData *ephem;
XLAL_CHECK ( (ephem = XLALInitBarycenter ( TEST_DATA_DIR "earth00-19-DE405.dat.gz", TEST_DATA_DIR "sun00-19-DE405.dat.gz" )) != NULL, XLAL_EFUNC );
REAL8 memBase = XLALGetPeakHeapUsageMB();
UINT4 numDetectors = uvar->IFOs->length;
// ----- setup injection and data parameters
LIGOTimeGPS startTime = {711595934, 0};
LIGOTimeGPS startTime_l = startTime;
LIGOTimeGPS endTime_l;
SFTCatalog **catalogs;
XLAL_CHECK ( (catalogs = XLALCalloc ( uvar->numSegments, sizeof( catalogs[0] ))) != NULL, XLAL_ENOMEM );
for ( INT4 l = 0; l < uvar->numSegments; l ++ )
{
endTime_l = startTime_l;
XLALGPSAdd( &endTime_l, uvar->Tseg );
MultiLIGOTimeGPSVector *multiTimestamps;
XLAL_CHECK ( (multiTimestamps = XLALMakeMultiTimestamps ( startTime_l, uvar->Tseg, uvar->Tsft, 0, numDetectors )) != NULL, XLAL_EFUNC );
XLAL_CHECK ( (catalogs[l] = XLALMultiAddToFakeSFTCatalog ( NULL, uvar->IFOs, multiTimestamps )) != NULL, XLAL_EFUNC );
XLALDestroyMultiTimestamps ( multiTimestamps );
startTime_l = endTime_l;
} // for l < numSegments
LIGOTimeGPS endTime = endTime_l;
UINT4 numSFTsPerSeg = catalogs[0]->length;
FILE *fpInfo = NULL;
if ( (uvar->outputInfo != NULL) && (FstatMethod == FMETHOD_RESAMP_GENERIC) )
{
XLAL_CHECK ( (fpInfo = fopen (uvar->outputInfo, "ab")) != NULL, XLAL_ESYS, "Failed to open '%s' for appending\n", uvar->outputInfo );
XLALAppendResampInfo2File ( fpInfo, NULL ); // create header comment line
}
PulsarSpinRange XLAL_INIT_DECL(spinRange);
LIGOTimeGPS refTime = { startTime.gpsSeconds - 2.3 * uvar->Tseg, 0 };
spinRange.refTime = refTime;
spinRange.fkdot[0] = uvar->Freq;
spinRange.fkdot[1] = uvar->f1dot;
spinRange.fkdotBand[1] = 0;
REAL8 asini = 0, Period = 0, ecc = 0;
REAL8 minCoverFreq, maxCoverFreq;
PulsarDopplerParams XLAL_INIT_DECL(Doppler);
Doppler.refTime = refTime;
Doppler.Alpha = 0.5;
Doppler.Delta = 0.5;
memcpy ( &Doppler.fkdot, &spinRange.fkdot, sizeof(Doppler.fkdot) );;
Doppler.period = Period;
Doppler.ecc = ecc;
Doppler.asini = asini;
// ----- setup optional Fstat arguments
FstatOptionalArgs optionalArgs = FstatOptionalArgsDefaults;
MultiNoiseFloor XLAL_INIT_DECL(injectSqrtSX);
injectSqrtSX.length = numDetectors;
for ( UINT4 X=0; X < numDetectors; X ++ ) {
injectSqrtSX.sqrtSn[X] = 1;
}
optionalArgs.injectSqrtSX = &injectSqrtSX;
optionalArgs.FstatMethod = FstatMethod;
FstatWorkspace *sharedWorkspace = NULL;
FstatInputVector *inputs;
FstatQuantities whatToCompute = (FSTATQ_2F | FSTATQ_2F_PER_DET);
FstatResults *results = NULL;
REAL8 tauF1NoBuf = 0;
REAL8 tauF1Buf = 0;
// ---------- main loop over repeated trials ----------
for ( INT4 i = 0; i < uvar->numTrials; i ++ )
{
// randomize numFreqBins
UINT4 numFreqBins_i = numFreqBinsMin + (UINT4)round ( 1.0 * (numFreqBinsMax - numFreqBinsMin) * rand() / RAND_MAX );
// randomize FreqResolution
REAL8 FreqResolution_i = FreqResolutionMin + 1.0 * ( FreqResolutionMax - FreqResolutionMin ) * rand() / RAND_MAX;
XLAL_CHECK ( (inputs = XLALCreateFstatInputVector ( uvar->numSegments )) != NULL, XLAL_EFUNC );
REAL8 dFreq = 1.0 / ( FreqResolution_i * uvar->Tseg );
REAL8 FreqBand = numFreqBins_i * dFreq;
fprintf ( stderr, "trial %d/%d: Tseg = %.1f d, numSegments = %d, Freq = %.1f Hz, f1dot = %.1e Hz/s, FreqResolution r = %f, numFreqBins = %d [dFreq = %.2e Hz, FreqBand = %.2e Hz]\n",
i+1, uvar->numTrials, uvar->Tseg / 86400.0, uvar->numSegments, uvar->Freq, uvar->f1dot, FreqResolution_i, numFreqBins_i, dFreq, FreqBand );
spinRange.fkdotBand[0] = FreqBand;
XLAL_CHECK ( XLALCWSignalCoveringBand ( &minCoverFreq, &maxCoverFreq, &startTime, &endTime, &spinRange, asini, Period, ecc ) == XLAL_SUCCESS, XLAL_EFUNC );
UINT4 numBinsSFT = ceil ( (maxCoverFreq - minCoverFreq) * uvar->Tsft + 2 * 8 );
REAL8 memSFTs = uvar->numSegments * numSFTsPerSeg * ( sizeof(SFTtype) + numBinsSFT * sizeof(COMPLEX8)) / 1e6;
// create per-segment input structs
for ( INT4 l = 0; l < uvar->numSegments; l ++ )
{
XLAL_CHECK ( (inputs->data[l] = XLALCreateFstatInput ( catalogs[l], minCoverFreq, maxCoverFreq, dFreq, ephem, &optionalArgs )) != NULL, XLAL_EFUNC );
if ( l == 0 ) {
sharedWorkspace = XLALGetSharedFstatWorkspace ( inputs->data[0] );
}
optionalArgs.sharedWorkspace = sharedWorkspace;
}
// ----- compute Fstatistics over segments
REAL8 tauF1NoBuf_i = 0;
REAL8 tauF1Buf_i = 0;
for ( INT4 l = 0; l < uvar->numSegments; l ++ )
{
XLAL_CHECK ( XLALComputeFstat ( &results, inputs->data[l], &Doppler, numFreqBins_i, whatToCompute ) == XLAL_SUCCESS, XLAL_EFUNC );
// ----- output timing details if requested
if ( (fpInfo != NULL) ) {
XLALAppendResampInfo2File ( fpInfo, inputs->data[l] );
}
REAL8 tauF1NoBuf_il, tauF1Buf_il;
XLAL_CHECK ( XLALGetResampTimingInfo ( &tauF1NoBuf_il, &tauF1Buf_il, inputs->data[l] ) == XLAL_SUCCESS, XLAL_EFUNC );
tauF1NoBuf_i += tauF1NoBuf_il;
tauF1Buf_i += tauF1Buf_il;
} // for l < numSegments
tauF1NoBuf_i /= uvar->numSegments;
tauF1Buf_i /= uvar->numSegments;
REAL8 memMaxCompute = XLALGetPeakHeapUsageMB() - memBase;
tauF1Buf += tauF1Buf_i;
tauF1NoBuf += tauF1NoBuf_i;
fprintf (stderr, "%-15s: tauF1Buf = %.2g s, tauF1NoBuf = %.2g s, memSFTs = %.1f MB, memMaxCompute = %.1f MB\n",
XLALGetFstatMethodName ( FstatMethod ), tauF1Buf_i, tauF1NoBuf_i, memSFTs, memMaxCompute );
XLALDestroyFstatInputVector ( inputs );
XLALDestroyFstatWorkspace ( sharedWorkspace );
optionalArgs.sharedWorkspace = NULL;
} // for i < numTrials
tauF1Buf /= uvar->numTrials;
tauF1NoBuf /= uvar->numTrials;
fprintf (stderr, "\nAveraged timings: <tauF1Buf> = %.2g s, <tauF1NoBuf> = %.2g s\n", tauF1Buf, tauF1NoBuf );
// ----- free memory ----------
if ( fpInfo != NULL ) {
fclose ( fpInfo );
}
for ( INT4 l = 0; l < uvar->numSegments; l ++ )
{
XLALDestroySFTCatalog ( catalogs[l] );
}
XLALFree ( catalogs );
XLALDestroyFstatResults ( results );
XLALDestroyUserVars();
XLALDestroyEphemerisData ( ephem );
LALCheckMemoryLeaks();
return XLAL_SUCCESS;
} // main()
/** Initialize Fstat-code: handle user-input and set everything up. */
int
XLALInitCode ( ConfigVariables *cfg, const UserInput_t *uvar )
{
/* generate log-string for file-output, containing cmdline-options + code VCS version info */
char *vcs;
if ( (vcs = XLALGetVersionString(0)) == NULL ) { /* short VCS version string */
XLALPrintError ( "%s: XLALGetVersionString(0) failed with errno=%d.\n", __func__, xlalErrno );
XLAL_ERROR ( XLAL_EFUNC );
}
char *cmdline;
if ( (cmdline = XLALUserVarGetLog ( UVAR_LOGFMT_CMDLINE )) == NULL ) {
XLALPrintError ( "%s: XLALUserVarGetLog ( UVAR_LOGFMT_CMDLINE ) failed with errno=%d.\n", __func__, xlalErrno );
XLAL_ERROR ( XLAL_EFUNC );
}
const char fmt[] = "%%%% cmdline: %s\n%%%%\n%s%%%%\n";
UINT4 len = strlen(vcs) + strlen(cmdline) + strlen(fmt) + 1;
if ( ( cfg->logString = XLALMalloc ( len )) == NULL ) {
XLALPrintError ("%s: XLALMalloc ( %d ) failed.\n", __func__, len );
XLAL_ERROR ( XLAL_ENOMEM );
}
sprintf ( cfg->logString, fmt, cmdline, vcs );
XLALFree ( cmdline );
XLALFree ( vcs );
/* trivial settings from user-input */
cfg->SignalOnly = uvar->SignalOnly;
/* ----- parse user-input on signal amplitude-paramters + ranges ----- */
/* skypos */
cfg->skypos.longitude = uvar->Alpha; /* Alpha < 0 indicates 'allsky' */
cfg->skypos.latitude = uvar->Delta;
cfg->skypos.system = COORDINATESYSTEM_EQUATORIAL;
/* ----- amplitude-params: create prior pdfs reflecting the user-input */
if ( XLALInitAmplitudePrior ( &cfg->AmpPrior, uvar ) != XLAL_SUCCESS )
XLAL_ERROR ( XLAL_EFUNC );
/* ----- initialize random-number generator ----- */
/* read out environment variables GSL_RNG_xxx
* GSL_RNG_SEED: use to set random seed: default = 0, override by using --randSeed on cmdline
* GSL_RNG_TYPE: type of random-number generator to use: default = 'mt19937'
*/
gsl_rng_env_setup ();
/* allow overriding the random-seed per command-line */
if ( XLALUserVarWasSet ( &uvar->randSeed ) )
gsl_rng_default_seed = uvar->randSeed;
cfg->rng = gsl_rng_alloc (gsl_rng_default);
LogPrintf ( LOG_DEBUG, "random-number generator type: %s\n", gsl_rng_name (cfg->rng));
LogPrintf ( LOG_DEBUG, "seed = %lu\n", gsl_rng_default_seed );
/* init ephemeris-data */
EphemerisData *edat = XLALInitBarycenter( uvar->ephemEarth, uvar->ephemSun );
if ( !edat ) {
LogPrintf ( LOG_CRITICAL, "%s: XLALInitBarycenter failed: could not load Earth ephemeris '%s' and Sun ephemeris '%s'\n", __func__, uvar->ephemEarth, uvar->ephemSun);
XLAL_ERROR ( XLAL_EFUNC );
}
/* init detector info */
LALDetector *site;
if ( (site = XLALGetSiteInfo ( uvar->IFO )) == NULL ) {
XLALPrintError ("%s: Failed to get site-info for detector '%s'\n", __func__, uvar->IFO );
XLAL_ERROR ( XLAL_EFUNC );
}
MultiLALDetector multiDet;
multiDet.length = 1;
multiDet.sites[0] = (*site); /* copy! */
XLALFree ( site );
/* init timestamps vector covering observation time */
UINT4 numSteps = (UINT4) ceil ( uvar->dataDuration / uvar->TAtom );
MultiLIGOTimeGPSVector * multiTS;
if ( (multiTS = XLALCalloc ( 1, sizeof(*multiTS))) == NULL ) {
XLAL_ERROR ( XLAL_ENOMEM );
}
multiTS->length = 1;
if ( (multiTS->data = XLALCalloc (1, sizeof(*multiTS->data))) == NULL ) {
XLAL_ERROR ( XLAL_ENOMEM );
}
if ( (multiTS->data[0] = XLALCreateTimestampVector (numSteps)) == NULL ) {
XLALPrintError ("%s: XLALCreateTimestampVector(%d) failed.\n", __func__, numSteps );
}
multiTS->data[0]->deltaT = uvar->TAtom;
UINT4 i;
for ( i=0; i < numSteps; i ++ )
{
UINT4 ti = uvar->dataStartGPS + i * uvar->TAtom;
multiTS->data[0]->data[i].gpsSeconds = ti;
multiTS->data[0]->data[i].gpsNanoSeconds = 0;
}
/* get detector states */
if ( (cfg->multiDetStates = XLALGetMultiDetectorStates ( multiTS, &multiDet, edat, 0.5 * uvar->TAtom )) == NULL ) {
XLALPrintError ( "%s: XLALGetMultiDetectorStates() failed.\n", __func__ );
XLAL_ERROR ( XLAL_EFUNC );
}
/* get rid of all temporary memory allocated for this step */
XLALDestroyEphemerisData ( edat );
XLALDestroyMultiTimestamps ( multiTS );
multiTS = NULL;
/* ---------- initialize transient window ranges, for injection ... ---------- */
transientWindowRange_t XLAL_INIT_DECL(InjectRange);
int twtype;
XLAL_CHECK ( (twtype = XLALParseTransientWindowName ( uvar->injectWindow_type )) >= 0, XLAL_EFUNC );
InjectRange.type = twtype;
/* make sure user doesn't set window=none but sets window-parameters => indicates she didn't mean 'none' */
if ( InjectRange.type == TRANSIENT_NONE ) {
if ( XLALUserVarWasSet ( &uvar->injectWindow_t0Days ) || XLALUserVarWasSet ( &uvar->injectWindow_t0DaysBand ) ||
XLALUserVarWasSet ( &uvar->injectWindow_tauDays ) || XLALUserVarWasSet ( &uvar->injectWindow_tauDaysBand ) ) {
XLALPrintError ("%s: ERROR: injectWindow_type == NONE, but window-parameters were set! Use a different window-type!\n", __func__ );
XLAL_ERROR ( XLAL_EINVAL );
}
}
if ( uvar->injectWindow_t0DaysBand < 0 || uvar->injectWindow_tauDaysBand < 0 ) {
XLALPrintError ("%s: only positive t0/tau window injection bands allowed (%f, %f)\n", __func__, uvar->injectWindow_t0DaysBand, uvar->injectWindow_tauDaysBand );
XLAL_ERROR ( XLAL_EINVAL );
}
/* apply correct defaults if unset: t0=dataStart, t0Band=dataDuration-3*tauMax */
InjectRange.t0 = uvar->dataStartGPS + uvar->injectWindow_t0Days * DAY24;
REAL8 tauMax = ( uvar->injectWindow_tauDays + uvar->injectWindow_tauDaysBand ) * DAY24;
if ( XLALUserVarWasSet (&uvar->injectWindow_t0DaysBand ) )
InjectRange.t0Band = uvar->injectWindow_t0DaysBand * DAY24;
else
InjectRange.t0Band = fmax ( 0.0, uvar->dataDuration - TRANSIENT_EXP_EFOLDING * tauMax - InjectRange.t0 ); /* make sure it's >= 0 */
InjectRange.tau = (UINT4) ( uvar->injectWindow_tauDays * DAY24 );
InjectRange.tauBand = (UINT4) ( uvar->injectWindow_tauDaysBand * DAY24 );
cfg->transientInjectRange = InjectRange;
/* ---------- ... and for search -------------------- */
transientWindowRange_t XLAL_INIT_DECL(SearchRange);
XLAL_CHECK ( (twtype = XLALParseTransientWindowName ( uvar->searchWindow_type )) >= 0, XLAL_EFUNC );
SearchRange.type = twtype;
/* apply correct defaults if unset: use inect window */
if ( !XLALUserVarWasSet ( &uvar->searchWindow_type ) )
SearchRange.type = InjectRange.type;
if ( !XLALUserVarWasSet ( &uvar->searchWindow_t0Days ) )
SearchRange.t0 = InjectRange.t0;
else
SearchRange.t0 = uvar->dataStartGPS + uvar->searchWindow_t0Days * DAY24;
if ( !XLALUserVarWasSet ( &uvar->searchWindow_t0DaysBand ) )
SearchRange.t0Band = InjectRange.t0Band;
else
SearchRange.t0Band = (UINT4) (uvar->searchWindow_t0DaysBand * DAY24);
if ( !XLALUserVarWasSet ( &uvar->searchWindow_tauDays ) )
SearchRange.tau = InjectRange.tau;
else
SearchRange.tau = (UINT4) ( uvar->searchWindow_tauDays * DAY24 );
if ( !XLALUserVarWasSet ( &uvar->searchWindow_tauDaysBand ) )
SearchRange.tauBand = InjectRange.tauBand;
else
SearchRange.tauBand = (UINT4) ( uvar->searchWindow_tauDaysBand * DAY24 );
if ( XLALUserVarWasSet ( &uvar->searchWindow_dt0 ) )
SearchRange.dt0 = uvar->searchWindow_dt0;
else
SearchRange.dt0 = uvar->TAtom;
if ( XLALUserVarWasSet ( &uvar->searchWindow_dtau ) )
SearchRange.dtau = uvar->searchWindow_dtau;
else
SearchRange.dtau = uvar->TAtom;
/* make sure user doesn't set window=none but sets window-parameters => indicates she didn't mean 'none' */
if ( SearchRange.type == TRANSIENT_NONE )
if ( XLALUserVarWasSet ( &uvar->searchWindow_t0Days ) || XLALUserVarWasSet ( &uvar->searchWindow_t0DaysBand ) ||
XLALUserVarWasSet ( &uvar->searchWindow_tauDays ) || XLALUserVarWasSet ( &uvar->searchWindow_tauDaysBand ) ) {
XLALPrintError ("%s: ERROR: searchWindow_type == NONE, but window-parameters were set! Use a different window-type!\n", __func__ );
XLAL_ERROR ( XLAL_EINVAL );
}
if ( uvar->searchWindow_t0DaysBand < 0 || uvar->searchWindow_tauDaysBand < 0 ) {
XLALPrintError ("%s: only positive t0/tau window injection bands allowed (%f, %f)\n", __func__, uvar->searchWindow_t0DaysBand, uvar->searchWindow_tauDaysBand );
XLAL_ERROR ( XLAL_EINVAL );
}
cfg->transientSearchRange = SearchRange;
return XLAL_SUCCESS;
} /* XLALInitCode() */
// ---------- main ----------
int
main ( int argc, char *argv[] )
{
XLAL_CHECK ( argc == 1, XLAL_EINVAL, "No input arguments allowed.\n" );
XLAL_CHECK ( argv != NULL, XLAL_EINVAL );
// ----- load ephemeris
EphemerisData *ephem;
XLAL_CHECK ( (ephem = XLALInitBarycenter ( TEST_DATA_DIR "earth00-19-DE405.dat.gz", TEST_DATA_DIR "sun00-19-DE405.dat.gz" )) != NULL, XLAL_EFUNC );
// ----- setup injection and data parameters
LALStringVector *detNames = NULL;
XLAL_CHECK ( (detNames = XLALCreateStringVector ( "H1", "L1", NULL )) != NULL, XLAL_EFUNC );
UINT4 numDetectors = detNames->length;
// generate and assume some gaussian noise floors
MultiNoiseFloor XLAL_INIT_DECL(injectSqrtSX);
MultiNoiseFloor XLAL_INIT_DECL(assumeSqrtSX);
injectSqrtSX.length = numDetectors;
assumeSqrtSX.length = numDetectors;
for ( UINT4 X = 0; X < numDetectors; X ++ )
{
injectSqrtSX.sqrtSn[X] = 0; // don't inject random noise to keep errors deterministic and informative (resampling differs much more on noise)
assumeSqrtSX.sqrtSn[X] = 1.0 + 2.0*X;
}
LIGOTimeGPS startTime = {711595934, 0};
REAL8 Tspan = 20 * 3600;
LIGOTimeGPS endTime = startTime;
XLALGPSAdd( &endTime, Tspan );
REAL8 Tsft = 1800;
LIGOTimeGPS refTime = { startTime.gpsSeconds - 2.3 * Tspan, 0 };
MultiLIGOTimeGPSVector *multiTimestamps;
XLAL_CHECK ( ( multiTimestamps = XLALCalloc ( 1, sizeof(*multiTimestamps))) != NULL, XLAL_ENOMEM );
XLAL_CHECK ( ( multiTimestamps->data = XLALCalloc ( numDetectors, sizeof(multiTimestamps->data[0]) )) != NULL, XLAL_ENOMEM );
multiTimestamps->length = numDetectors;
LIGOTimeGPS startTimeX = startTime;
for ( UINT4 X=0; X < numDetectors; X ++ )
{
XLAL_CHECK ( (multiTimestamps->data[X] = XLALMakeTimestamps ( startTimeX, Tspan, Tsft, 0 ) ) != NULL, XLAL_EFUNC );
XLALGPSAdd ( &startTimeX, 0.5 * Tspan ); // shift start-times by 1/2 Tspan for each detector
Tspan *= 2.0;
} // for X < numDetectors
// shift a few timestamps around to create gaps
UINT4 numSFTsPerDet = multiTimestamps->data[0]->length;
multiTimestamps->data[0]->data[numSFTsPerDet-1].gpsSeconds += 10000;
multiTimestamps->data[0]->data[numSFTsPerDet-2].gpsSeconds += 5000;
multiTimestamps->data[1]->data[0].gpsSeconds -= 10000;
multiTimestamps->data[1]->data[1].gpsSeconds -= 5000;
SFTCatalog *catalog;
XLAL_CHECK ( (catalog = XLALMultiAddToFakeSFTCatalog ( NULL, detNames, multiTimestamps )) != NULL, XLAL_EFUNC );
// ----- CW sources to injet ----------
REAL8 Freq = 100.0;
PulsarParamsVector *injectSources;
XLAL_CHECK ( (injectSources = XLALCreatePulsarParamsVector(1)) != NULL, XLAL_EFUNC );
injectSources->data[0].Amp.h0 = 1;
injectSources->data[0].Amp.cosi = 0.5;
injectSources->data[0].Amp.psi = 0.1;
injectSources->data[0].Amp.phi0 = 1.2;
REAL8 asini = 0; // 1.4; // sco-X1 like
REAL8 Period = 0; // 19 * 3600;// sco-X1 like
REAL8 ecc = 0; // 0.1; // much larger than ScoX1
PulsarDopplerParams XLAL_INIT_DECL(Doppler);
Doppler.Alpha = 0.5;
Doppler.Delta = -0.5;
Doppler.fkdot[0] = Freq;
Doppler.fkdot[1] = -1e-9;
Doppler.refTime = refTime;
Doppler.asini = asini;
Doppler.ecc = ecc;
Doppler.tp = startTime;
Doppler.period = Period;
Doppler.argp = 0.5;
injectSources->data[0].Doppler = Doppler;
REAL8 dFreq = 0.1 / Tspan; // 10x finer than native FFT resolution
REAL8 mis = 0.5;
REAL8 df1dot = sqrt( 720.0 * mis ) / (LAL_PI * Tspan * Tspan); // metric (f-projected) stepsize for given mismatch mis
REAL8 dSky = 1e4 / (Freq * Tspan); // rough estimate of a 'metric' sky step, eg. Eq.(118) in \cite Prix07
REAL8 dPeriod = 3600;
UINT4 numFreqBins = 1000;
UINT4 numf1dotPoints = 2;
UINT4 numSkyPoints = 2;
UINT4 numPeriodPoints = 2;
PulsarSpinRange XLAL_INIT_DECL(spinRange);
spinRange.refTime = refTime;
memcpy ( &spinRange.fkdot, &injectSources->data[0].Doppler.fkdot, sizeof(spinRange.fkdot) );
spinRange.fkdotBand[0] = (numFreqBins - 1)*dFreq - 10*LAL_REAL8_EPS;
spinRange.fkdotBand[1] = (numf1dotPoints - 1)*df1dot - 10*LAL_REAL8_EPS;
Doppler.fkdot[0] -= 0.4 * spinRange.fkdotBand[0];
REAL8 minCoverFreq, maxCoverFreq;
XLAL_CHECK ( XLALCWSignalCoveringBand ( &minCoverFreq, &maxCoverFreq, &startTime, &endTime, &spinRange, asini, Period, ecc ) == XLAL_SUCCESS, XLAL_EFUNC );
// ----- setup optional Fstat arguments
FstatOptionalArgs optionalArgs = FstatOptionalArgsDefaults;
optionalArgs.injectSources = injectSources;
optionalArgs.injectSqrtSX = &injectSqrtSX;
optionalArgs.assumeSqrtSX = &assumeSqrtSX;
// ----- prepare input data with injection for all available methods
FstatInput *input[FMETHOD_END];
FstatResults *results[FMETHOD_END];
for ( UINT4 iMethod = FMETHOD_START; iMethod < FMETHOD_END; iMethod ++ )
{
results[iMethod] = NULL;
if ( !XLALFstatMethodIsAvailable(iMethod) ) {
continue;
}
optionalArgs.FstatMethod = iMethod;
XLAL_CHECK ( (input[iMethod] = XLALCreateFstatInput ( catalog, minCoverFreq, maxCoverFreq, dFreq, ephem, &optionalArgs )) != NULL, XLAL_EFUNC );
}
FstatQuantities whatToCompute = (FSTATQ_2F | FSTATQ_FAFB);
// ----- loop over all templates {sky, f1dot, period}
for ( UINT4 iSky = 0; iSky < numSkyPoints; iSky ++ )
{
for ( UINT4 if1dot = 0; if1dot < numf1dotPoints; if1dot ++ )
{
for ( UINT4 iPeriod = 0; iPeriod < numPeriodPoints; iPeriod ++ )
{
// ----- loop over all available methods and compare Fstat results
FstatMethodType firstMethod = FMETHOD_START;
for ( UINT4 iMethod = FMETHOD_START; iMethod < FMETHOD_END; iMethod ++ )
{
if ( !XLALFstatMethodIsAvailable(iMethod) ) {
continue;
}
if ( firstMethod == FMETHOD_START ) { // keep track of first available method found
firstMethod = iMethod;
}
XLAL_CHECK ( XLALComputeFstat ( &results[iMethod], input[iMethod], &Doppler, numFreqBins, whatToCompute ) == XLAL_SUCCESS, XLAL_EFUNC );
if ( lalDebugLevel & LALINFOBIT )
{
FILE *fp;
char fname[1024]; XLAL_INIT_MEM ( fname );
snprintf ( fname, sizeof(fname)-1, "twoF%s-iSky%02d-if1dot%02d-iPeriod%02d.dat", XLALGetFstatMethodName(iMethod), iSky, if1dot, iPeriod );
XLAL_CHECK ( (fp = fopen ( fname, "wb" )) != NULL, XLAL_EFUNC );
for ( UINT4 k = 0; k < results[iMethod]->numFreqBins; k ++ )
{
REAL8 Freq0 = results[iMethod]->doppler.fkdot[0];
REAL8 Freq_k = Freq0 + k * results[iMethod]->dFreq;
if ( whatToCompute & FSTATQ_FAFB ) {
fprintf ( fp, "%20.16g %10.4g %10.4g %10.4g %10.4g %10.4g\n",
Freq_k, results[iMethod]->twoF[k],
crealf(results[iMethod]->Fa[k]), cimagf(results[iMethod]->Fa[k]),
crealf(results[iMethod]->Fb[k]), cimagf(results[iMethod]->Fb[k])
);
} else {
fprintf ( fp, "%20.16g %10.4g\n",
Freq_k, results[iMethod]->twoF[k] );
}
} // for k < numFreqBins
fclose(fp);
} // if info
// compare to first result
if ( iMethod != firstMethod )
{
XLALPrintInfo ("Comparing results between method '%s' and '%s'\n", XLALGetFstatMethodName(firstMethod), XLALGetFstatMethodName(iMethod) );
if ( compareFstatResults ( results[firstMethod], results[iMethod] ) != XLAL_SUCCESS )
{
XLALPrintError ("Comparison between method '%s' and '%s' failed\n", XLALGetFstatMethodName(firstMethod), XLALGetFstatMethodName(iMethod) );
XLAL_ERROR ( XLAL_EFUNC );
}
}
} // for i < FMETHOD_END
Doppler.period += dPeriod;
} // for iPeriod < numPeriodPoints
Doppler.fkdot[1] += df1dot;
} // for if1dot < numf1dotPoints
Doppler.Alpha += dSky;
} // for iSky < numSkyPoints
// free remaining memory
for ( UINT4 iMethod=FMETHOD_START; iMethod < FMETHOD_END; iMethod ++ )
{
if ( !XLALFstatMethodIsAvailable(iMethod) ) {
continue;
}
XLALDestroyFstatInput ( input[iMethod] );
XLALDestroyFstatResults ( results[iMethod] );
} // for i < FMETHOD_END
XLALDestroyPulsarParamsVector ( injectSources );
XLALDestroySFTCatalog ( catalog );
XLALDestroyMultiTimestamps ( multiTimestamps );
XLALDestroyStringVector ( detNames );
XLALDestroyEphemerisData ( ephem );
LALCheckMemoryLeaks();
return XLAL_SUCCESS;
} // main()
int main(int argc, char *argv[])
{
UserVariables_t XLAL_INIT_DECL(uvar);
XLAL_CHECK ( InitUserVars(&uvar, argc, argv) == XLAL_SUCCESS, XLAL_EFUNC );
MultiLALDetector *detectors = NULL;
XLAL_CHECK( (detectors = XLALMalloc(sizeof(MultiLALDetector))) != NULL, XLAL_ENOMEM );
detectors->length = uvar.IFO->length;
for (UINT4 ii=0; ii<detectors->length; ii++) {
if (strcmp("H1", uvar.IFO->data[ii])==0) {
detectors->sites[ii] = lalCachedDetectors[LAL_LHO_4K_DETECTOR]; //H1
} else if (strcmp("L1",uvar.IFO->data[ii])==0) {
detectors->sites[ii] = lalCachedDetectors[LAL_LLO_4K_DETECTOR]; //L1
} else if (strcmp("V1", uvar.IFO->data[ii])==0) {
detectors->sites[ii] = lalCachedDetectors[LAL_VIRGO_DETECTOR]; //V1
} else if (strcmp("H2", uvar.IFO->data[ii])==0) {
detectors->sites[ii] = lalCachedDetectors[LAL_LHO_2K_DETECTOR]; //H2
} else if (strcmp("H2r", uvar.IFO->data[ii])==0) {
LALDetector H2 = lalCachedDetectors[LAL_LHO_2K_DETECTOR]; //H2 rotated
H2.frDetector.xArmAzimuthRadians -= 0.25*LAL_PI;
H2.frDetector.yArmAzimuthRadians -= 0.25*LAL_PI;
memset(&(H2.frDetector.name), 0, sizeof(CHAR)*LALNameLength);
snprintf(H2.frDetector.name, LALNameLength, "%s", "LHO_2k_rotatedPiOver4");
XLAL_CHECK( (XLALCreateDetector(&(detectors->sites[ii]), &(H2.frDetector), LALDETECTORTYPE_IFODIFF)) != NULL, XLAL_EFUNC );
} else {
XLAL_ERROR(XLAL_EINVAL, "Not using valid interferometer! Expected 'H1', 'H2', 'H2r' (rotated H2), 'L1', or 'V1' not %s.\n", uvar.IFO->data[ii]);
}
}
EphemerisData *edat = NULL;
XLAL_CHECK( (edat = XLALInitBarycenter(uvar.ephemEarth, uvar.ephemSun)) != NULL, XLAL_EFUNC );
LIGOTimeGPS tStart;
XLALGPSSetREAL8 ( &tStart, uvar.t0 );
XLAL_CHECK( xlalErrno == 0, XLAL_EFUNC, "XLALGPSSetREAL8 failed\n" );
MultiLIGOTimeGPSVector *multiTimestamps = NULL;
XLAL_CHECK( (multiTimestamps = XLALMakeMultiTimestamps(tStart, uvar.Tobs, uvar.Tsft, uvar.SFToverlap, detectors->length)) != NULL, XLAL_EFUNC );
LIGOTimeGPS refTime = multiTimestamps->data[0]->data[0];
MultiDetectorStateSeries *multiStateSeries = NULL;
XLAL_CHECK( (multiStateSeries = XLALGetMultiDetectorStates(multiTimestamps, detectors, edat, uvar.SFToverlap)) != NULL, XLAL_EFUNC );
gsl_rng *rng = NULL;
XLAL_CHECK( (rng = gsl_rng_alloc(gsl_rng_mt19937)) != NULL, XLAL_EFUNC );
gsl_rng_set(rng, 0);
FILE *OUTPUT;
XLAL_CHECK( (OUTPUT = fopen(uvar.outfilename,"w")) != NULL, XLAL_EIO, "Output file %s could not be opened\n", uvar.outfilename );
for (INT4 n=0; n<uvar.skylocations; n++) {
SkyPosition skypos;
if (XLALUserVarWasSet(&(uvar.alpha)) && XLALUserVarWasSet(&(uvar.delta)) && n==0) {
skypos.longitude = uvar.alpha;
skypos.latitude = uvar.delta;
skypos.system = COORDINATESYSTEM_EQUATORIAL;
} else {
skypos.longitude = LAL_TWOPI*gsl_rng_uniform(rng);
skypos.latitude = LAL_PI*gsl_rng_uniform(rng) - LAL_PI_2;
skypos.system = COORDINATESYSTEM_EQUATORIAL;
}
REAL8 cosi0, psi0;
if (XLALUserVarWasSet(&(uvar.cosi)) && n==0) cosi0 = uvar.cosi;
else cosi0 = 2.0*gsl_rng_uniform(rng) - 1.0;
if (XLALUserVarWasSet(&(uvar.psi)) && n==0) psi0 = uvar.psi;
else psi0 = LAL_PI*gsl_rng_uniform(rng);
MultiAMCoeffs *multiAMcoefficients = NULL;
XLAL_CHECK( (multiAMcoefficients = XLALComputeMultiAMCoeffs(multiStateSeries, NULL, skypos)) != NULL, XLAL_EFUNC );
MultiSSBtimes *multissb = NULL;
XLAL_CHECK( (multissb = XLALGetMultiSSBtimes(multiStateSeries, skypos, refTime, SSBPREC_RELATIVISTICOPT)) != NULL, XLAL_EFUNC );
REAL8 frequency = 1000.0;
REAL8 frequency0 = frequency + (gsl_rng_uniform(rng)-0.5)/uvar.Tsft;
for (UINT4 ii=0; ii<multiAMcoefficients->data[0]->a->length; ii++) {
REAL4 Fplus0 = multiAMcoefficients->data[0]->a->data[ii]*cos(2.0*psi0) + multiAMcoefficients->data[0]->b->data[ii]*sin(2.0*psi0);
REAL4 Fcross0 = multiAMcoefficients->data[0]->b->data[ii]*cos(2.0*psi0) - multiAMcoefficients->data[0]->a->data[ii]*sin(2.0*psi0);
REAL4 Fplus1 = multiAMcoefficients->data[1]->a->data[ii]*cos(2.0*psi0) + multiAMcoefficients->data[1]->b->data[ii]*sin(2.0*psi0);
REAL4 Fcross1 = multiAMcoefficients->data[1]->b->data[ii]*cos(2.0*psi0) - multiAMcoefficients->data[1]->a->data[ii]*sin(2.0*psi0);
COMPLEX16 RatioTerm0 = crect(0.5*Fplus1*(1.0+cosi0*cosi0), Fcross1*cosi0)/crect(0.5*Fplus0*(1.0+cosi0*cosi0), Fcross0*cosi0); //real det-sig ratio term
REAL4 detPhaseArg = 0.0, detPhaseMag = 0.0;
BOOLEAN loopbroken = 0;
for (INT4 jj=0; jj<16 && !loopbroken; jj++) {
REAL4 psi = 0.0625*jj*LAL_PI;
Fplus0 = multiAMcoefficients->data[0]->a->data[ii]*cos(2.0*psi) + multiAMcoefficients->data[0]->b->data[ii]*sin(2.0*psi);
Fcross0 = multiAMcoefficients->data[0]->b->data[ii]*cos(2.0*psi) - multiAMcoefficients->data[0]->a->data[ii]*sin(2.0*psi);
Fplus1 = multiAMcoefficients->data[1]->a->data[ii]*cos(2.0*psi) + multiAMcoefficients->data[1]->b->data[ii]*sin(2.0*psi);
Fcross1 = multiAMcoefficients->data[1]->b->data[ii]*cos(2.0*psi) - multiAMcoefficients->data[1]->a->data[ii]*sin(2.0*psi);
for (INT4 kk=0; kk<21 && !loopbroken; kk++) {
REAL4 cosi = 1.0 - 2.0*0.05*kk;
if (!uvar.unrestrictedCosi) {
if (cosi0<0.0) cosi = -0.05*kk;
else cosi = 0.05*kk;
}
COMPLEX16 complexnumerator = crect(0.5*Fplus1*(1.0+cosi*cosi), Fcross1*cosi);
COMPLEX16 complexdenominator = crect(0.5*Fplus0*(1.0+cosi*cosi) , Fcross0*cosi);
if (cabs(complexdenominator)>1.0e-6) {
COMPLEX16 complexval = complexnumerator/complexdenominator;
detPhaseMag += fmin(cabs(complexval), 10.0);
detPhaseArg += gsl_sf_angle_restrict_pos(carg(complexval));
} else {
loopbroken = 1;
detPhaseMag = 0.0;
detPhaseArg = 0.0;
}
}
}
detPhaseMag /= 336.0;
detPhaseArg /= 336.0;
COMPLEX16 RatioTerm = cpolar(detPhaseMag, detPhaseArg);
//Bin of interest
REAL8 signalFrequencyBin = round(multissb->data[0]->Tdot->data[ii]*frequency0*uvar.Tsft) - frequency*uvar.Tsft; //estimated nearest freq in ref IFO
REAL8 timediff0 = multissb->data[0]->DeltaT->data[ii] - 0.5*uvar.Tsft*multissb->data[0]->Tdot->data[ii];
REAL8 timediff1 = multissb->data[1]->DeltaT->data[ii] - 0.5*uvar.Tsft*multissb->data[1]->Tdot->data[ii];
REAL8 tau = timediff1 - timediff0;
REAL8 freqshift0 = -LAL_TWOPI*tau*frequency0; //real freq shift
REAL8 freqshift = -LAL_TWOPI*tau*(round(multissb->data[0]->Tdot->data[ii]*frequency0*uvar.Tsft)/uvar.Tsft); //estimated freq shift
COMPLEX16 phaseshift0 = cpolar(1.0, freqshift0);
COMPLEX16 phaseshift = cpolar(1.0, freqshift);
REAL8 delta0_0 = (multissb->data[0]->Tdot->data[ii]*frequency0-frequency)*uvar.Tsft - signalFrequencyBin;
REAL8 delta1_0 = (multissb->data[1]->Tdot->data[ii]*frequency0-frequency)*uvar.Tsft - signalFrequencyBin;
REAL8 realSigBinDiff = round(delta0_0) - round(delta1_0);
delta1_0 += realSigBinDiff;
REAL8 delta0 = round(multissb->data[0]->Tdot->data[ii]*frequency0*uvar.Tsft)*(multissb->data[0]->Tdot->data[ii] - 1.0);
REAL8 delta1 = round(multissb->data[0]->Tdot->data[ii]*frequency0*uvar.Tsft)*(multissb->data[1]->Tdot->data[ii] - 1.0);
REAL8 estSigBinDiff = round(delta0) - round(delta1);
delta1 += estSigBinDiff;
COMPLEX16 dirichlet0;
if (!uvar.rectWindow) {
if (fabsf((REAL4)delta1_0)<(REAL4)1.0e-6) {
if (fabsf((REAL4)delta0_0)<(REAL4)1.0e-6) dirichlet0 = crect(1.0, 0.0);
else if (fabsf((REAL4)(delta0_0*delta0_0-1.0))<(REAL4)1.0e-6) dirichlet0 = crect(-2.0, 0.0);
else if (fabsf((REAL4)(delta0_0-roundf(delta0_0)))<(REAL4)1.0e-6) {
dirichlet0 = crect(0.0, 0.0);
continue;
}
else dirichlet0 = -LAL_PI*crectf(cos(LAL_PI*delta0_0), -sin(LAL_PI*delta0_0))*delta0_0*(delta0_0*delta0_0 - 1.0)/sin(LAL_PI*delta0_0);
}
else if (fabsf((REAL4)(delta1_0*delta1_0-1.0))<(REAL4)1.0e-6) {
if (fabsf((REAL4)delta0_0)<(REAL4)1.0e-6) dirichlet0 = crect(-0.5, 0.0);
else if (fabsf((REAL4)(delta0_0*delta0_0-1.0))<(REAL4)1.0e-6) dirichlet0 = crect(1.0, 0.0);
else if (fabsf((REAL4)(delta0_0-roundf(delta0_0)))<(REAL4)1.0e-6) {
dirichlet0 = crect(0.0, 0.0);
continue;
}
else dirichlet0 = -LAL_PI_2*crectf(-cos(LAL_PI*delta0_0), sin(LAL_PI*delta0_0))*delta0_0*(delta0_0*delta0_0 - 1.0)/sin(LAL_PI*delta0_0);
}
else if (fabsf((REAL4)delta0_0)<(REAL4)1.0e-6) dirichlet0 = -LAL_1_PI*crectf(cos(LAL_PI*delta1_0), sin(LAL_PI*delta1_0))*sin(LAL_PI*delta1_0)/(delta1_0*(delta1_0*delta1_0-1.0));
else if (fabsf((REAL4)(delta0_0*delta0_0-1.0))<(REAL4)1.0e-6) dirichlet0 = LAL_2_PI*crectf(cos(LAL_PI*delta1_0), sin(LAL_PI*delta1_0))*sin(LAL_PI*delta1_0)/(delta1_0*(delta1_0*delta1_0-1.0));
else if (fabsf((REAL4)(delta0_0-roundf(delta0_0)))<(REAL4)1.0e-6) {
dirichlet0 = crect(0.0, 0.0);
continue;
}
else dirichlet0 = sin(LAL_PI*delta1_0)/sin(LAL_PI*delta0_0)*(delta0_0*(delta0_0*delta0_0-1.0))/(delta1_0*(delta1_0*delta1_0-1.0))*cpolarf(1.0,LAL_PI*(delta1_0-delta0_0));
} else {
if (fabsf((REAL4)delta1_0)<(REAL4)1.0e-6) {
if (fabsf((REAL4)delta0_0)<(REAL4)1.0e-6) dirichlet0 = crect(1.0, 0.0);
else if (fabsf((REAL4)(delta0_0-roundf(delta0_0)))<(REAL4)1.0e-6) {
dirichlet0 = crect(0.0, 0.0);
continue;
}
else dirichlet0 = conj(1.0/((cpolar(1.0,LAL_TWOPI*delta0_0)-1.0)/crect(0.0,LAL_TWOPI*delta0_0)));
}
else if (fabsf((REAL4)delta0_0)<(REAL4)1.0e-6) dirichlet0 = conj((cpolar(1.0,LAL_TWOPI*delta1_0)-1.0)/crect(0.0,LAL_TWOPI*delta1_0));
else if (fabsf((REAL4)(delta0_0-roundf(delta0_0)))<(REAL4)1.0e-6) {
dirichlet0 = crect(0.0, 0.0);
continue;
}
else dirichlet0 = conj(((cpolar(1.0,LAL_TWOPI*delta1_0)-1.0)/crect(0.0,LAL_TWOPI*delta1_0))/((cpolar(1.0,LAL_TWOPI*delta0_0)-1.0)/crect(0.0,LAL_TWOPI*delta0_0)));
}
COMPLEX16 dirichlet;
if (!uvar.rectWindow) {
if (fabsf((REAL4)delta1)<(REAL4)1.0e-6) {
if (fabsf((REAL4)delta0)<(REAL4)1.0e-6) dirichlet = crect(1.0, 0.0);
else if (fabsf((REAL4)(delta0*delta0-1.0))<(REAL4)1.0e-6) dirichlet = crect(-2.0, 0.0);
else if (fabsf((REAL4)(delta0-roundf(delta0)))<(REAL4)1.0e-6) dirichlet = crect(0.0, 0.0);
else dirichlet = -LAL_PI*crectf(cos(LAL_PI*delta0), -sin(LAL_PI*delta0))*delta0*(delta0*delta0 - 1.0)/sin(LAL_PI*delta0);
}
else if (fabsf((REAL4)(delta1*delta1-1.0))<(REAL4)1.0e-6) {
if (fabsf((REAL4)delta0)<(REAL4)1.0e-6) dirichlet = crect(-0.5, 0.0);
else if (fabsf((REAL4)(delta0*delta0-1.0))<(REAL4)1.0e-6) dirichlet = crect(1.0, 0.0);
else if (fabsf((REAL4)(delta0-roundf(delta0)))<(REAL4)1.0e-6) dirichlet = crect(0.0, 0.0);
else dirichlet = -LAL_PI_2*crectf(-cos(LAL_PI*delta0), sin(LAL_PI*delta0))*delta0*(delta0*delta0 - 1.0)/sin(LAL_PI*delta0);
}
else if (fabsf((REAL4)delta0)<(REAL4)1.0e-6) dirichlet = -LAL_1_PI*crectf(cos(LAL_PI*delta1), sin(LAL_PI*delta1))*sin(LAL_PI*delta1)/(delta1*(delta1*delta1-1.0));
else if (fabsf((REAL4)(delta0*delta0-1.0))<(REAL4)1.0e-6) dirichlet = LAL_2_PI*crectf(cos(LAL_PI*delta1), sin(LAL_PI*delta1))*sin(LAL_PI*delta1)/(delta1*(delta1*delta1-1.0));
else if (fabsf((REAL4)(delta0-roundf(delta0)))<(REAL4)1.0e-6) dirichlet = crect(0.0, 0.0);
else dirichlet = sin(LAL_PI*delta1)/sin(LAL_PI*delta0)*(delta0*(delta0*delta0-1.0))/(delta1*(delta1*delta1-1.0))*cpolarf(1.0,LAL_PI*(delta1-delta0));
} else {
if (fabsf((REAL4)delta1)<(REAL4)1.0e-6) {
if (fabsf((REAL4)delta0)<(REAL4)1.0e-6) dirichlet = crect(1.0, 0.0);
else if (fabsf((REAL4)(delta0-roundf(delta0)))<(REAL4)1.0e-6) dirichlet = crect(0.0, 0.0);
else dirichlet = conj(1.0/((cpolar(1.0,LAL_TWOPI*delta0)-1.0)/crect(0.0,LAL_TWOPI*delta0)));
}
else if (fabsf((REAL4)delta0)<(REAL4)1.0e-6) dirichlet = conj((cpolar(1.0,LAL_TWOPI*delta1)-1.0)/crect(0.0,LAL_TWOPI*delta1));
else if (fabsf((REAL4)(delta0-roundf(delta0)))<(REAL4)1.0e-6) dirichlet = crect(0.0, 0.0);
else dirichlet = conj(((cpolar(1.0,LAL_TWOPI*delta1)-1.0)/crect(0.0,LAL_TWOPI*delta1))/((cpolar(1.0,LAL_TWOPI*delta0)-1.0)/crect(0.0,LAL_TWOPI*delta0)));
}
dirichlet = cpolar(1.0, carg(dirichlet));
if (fabs(floor(delta0)-floor(delta1))>=1.0) dirichlet *= -1.0;
COMPLEX16 realRatio = RatioTerm0*phaseshift0*conj(dirichlet0);
COMPLEX16 estRatio = RatioTerm*phaseshift*conj(dirichlet);
fprintf(OUTPUT, "%g %g %g %g\n", cabs(realRatio), gsl_sf_angle_restrict_pos(carg(realRatio)), cabs(estRatio), gsl_sf_angle_restrict_pos(carg(estRatio)));
}
XLALDestroyMultiAMCoeffs(multiAMcoefficients);
XLALDestroyMultiSSBtimes(multissb);
}
fclose(OUTPUT);
gsl_rng_free(rng);
XLALDestroyMultiDetectorStateSeries(multiStateSeries);
XLALDestroyMultiTimestamps(multiTimestamps);
XLALDestroyEphemerisData(edat);
XLALFree(detectors);
XLALDestroyUserVars();
}
int main(int argc, char *argv[])
{
UserVariables_t XLAL_INIT_DECL(uvar);
XLAL_CHECK ( InitUserVars(&uvar, argc, argv) == XLAL_SUCCESS, XLAL_EFUNC );
MultiLALDetector *detectors = NULL;
XLAL_CHECK( (detectors = XLALMalloc(sizeof(MultiLALDetector))) != NULL, XLAL_ENOMEM );
detectors->length = uvar.IFO->length;
for (UINT4 ii=0; ii<detectors->length; ii++) {
if (strcmp("H1", uvar.IFO->data[ii])==0) {
detectors->sites[ii] = lalCachedDetectors[LAL_LHO_4K_DETECTOR]; //H1
} else if (strcmp("L1",uvar.IFO->data[ii])==0) {
detectors->sites[ii] = lalCachedDetectors[LAL_LLO_4K_DETECTOR]; //L1
} else if (strcmp("V1", uvar.IFO->data[ii])==0) {
detectors->sites[ii] = lalCachedDetectors[LAL_VIRGO_DETECTOR]; //V1
} else if (strcmp("H2", uvar.IFO->data[ii])==0) {
detectors->sites[ii] = lalCachedDetectors[LAL_LHO_2K_DETECTOR]; //H2
} else if (strcmp("H2r", uvar.IFO->data[ii])==0) {
LALDetector H2 = lalCachedDetectors[LAL_LHO_2K_DETECTOR]; //H2 rotated
H2.frDetector.xArmAzimuthRadians -= 0.25*LAL_PI;
H2.frDetector.yArmAzimuthRadians -= 0.25*LAL_PI;
memset(&(H2.frDetector.name), 0, sizeof(CHAR)*LALNameLength);
snprintf(H2.frDetector.name, LALNameLength, "%s", "LHO_2k_rotatedPiOver4");
XLAL_CHECK( (XLALCreateDetector(&(detectors->sites[ii]), &(H2.frDetector), LALDETECTORTYPE_IFODIFF)) != NULL, XLAL_EFUNC );
} else {
XLAL_ERROR(XLAL_EINVAL, "Not using valid interferometer! Expected 'H1', 'H2', 'H2r' (rotated H2), 'L1', or 'V1' not %s.\n", uvar.IFO->data[ii]);
}
}
EphemerisData *edat = NULL;
XLAL_CHECK( (edat = XLALInitBarycenter(uvar.ephemEarth, uvar.ephemSun)) != NULL, XLAL_EFUNC );
LIGOTimeGPS tStart;
XLALGPSSetREAL8 ( &tStart, uvar.t0 );
XLAL_CHECK( xlalErrno == 0, XLAL_EFUNC, "XLALGPSSetREAL8 failed\n" );
MultiLIGOTimeGPSVector *multiTimestamps = NULL;
XLAL_CHECK( (multiTimestamps = XLALMakeMultiTimestamps(tStart, uvar.Tobs, uvar.Tsft, uvar.SFToverlap, detectors->length)) != NULL, XLAL_EFUNC );
LIGOTimeGPS refTime = multiTimestamps->data[0]->data[0];
MultiDetectorStateSeries *multiStateSeries = NULL;
XLAL_CHECK( (multiStateSeries = XLALGetMultiDetectorStates(multiTimestamps, detectors, edat, uvar.SFToverlap)) != NULL, XLAL_EFUNC );
gsl_rng *rng = NULL;
XLAL_CHECK( (rng = gsl_rng_alloc(gsl_rng_mt19937)) != NULL, XLAL_EFUNC );
gsl_rng_set(rng, 0);
FILE *OUTPUT;
XLAL_CHECK( (OUTPUT = fopen(uvar.outfilename,"w")) != NULL, XLAL_EIO, "Output file %s could not be opened\n", uvar.outfilename );
for (INT4 n=0; n<uvar.skylocations; n++) {
SkyPosition skypos;
if (XLALUserVarWasSet(&(uvar.alpha)) && XLALUserVarWasSet(&(uvar.delta)) && n==0) {
skypos.longitude = uvar.alpha;
skypos.latitude = uvar.delta;
skypos.system = COORDINATESYSTEM_EQUATORIAL;
} else {
skypos.longitude = LAL_TWOPI*gsl_rng_uniform(rng);
skypos.latitude = LAL_PI*gsl_rng_uniform(rng) - LAL_PI_2;
skypos.system = COORDINATESYSTEM_EQUATORIAL;
}
REAL8 cosi0, psi0;
if (XLALUserVarWasSet(&(uvar.cosi)) && n==0) cosi0 = uvar.cosi;
else cosi0 = 2.0*gsl_rng_uniform(rng) - 1.0;
if (XLALUserVarWasSet(&(uvar.psi)) && n==0) psi0 = uvar.psi;
else psi0 = LAL_PI*gsl_rng_uniform(rng);
MultiAMCoeffs *multiAMcoefficients = NULL;
XLAL_CHECK( (multiAMcoefficients = XLALComputeMultiAMCoeffs(multiStateSeries, NULL, skypos)) != NULL, XLAL_EFUNC );
MultiSSBtimes *multissb = NULL;
XLAL_CHECK( (multissb = XLALGetMultiSSBtimes(multiStateSeries, skypos, refTime, SSBPREC_RELATIVISTICOPT)) != NULL, XLAL_EFUNC );
REAL8 frequency0 = 1000.0 + (gsl_rng_uniform(rng)-0.5)/uvar.Tsft;
REAL8 frequency = 1000.0;
for (UINT4 ii=0; ii<multiAMcoefficients->data[0]->a->length; ii++) {
REAL4 Fplus0 = multiAMcoefficients->data[0]->a->data[ii]*cos(2.0*psi0) + multiAMcoefficients->data[0]->b->data[ii]*sin(2.0*psi0);
REAL4 Fcross0 = multiAMcoefficients->data[0]->b->data[ii]*cos(2.0*psi0) - multiAMcoefficients->data[0]->a->data[ii]*sin(2.0*psi0);
REAL4 Fplus1 = multiAMcoefficients->data[1]->a->data[ii]*cos(2.0*psi0) + multiAMcoefficients->data[1]->b->data[ii]*sin(2.0*psi0);
REAL4 Fcross1 = multiAMcoefficients->data[1]->b->data[ii]*cos(2.0*psi0) - multiAMcoefficients->data[1]->a->data[ii]*sin(2.0*psi0);
COMPLEX16 RatioTerm0 = crect(0.5*Fplus1*(1.0+cosi0*cosi0), Fcross1*cosi0)/crect(0.5*Fplus0*(1.0+cosi0*cosi0), Fcross0*cosi0);
REAL4 detPhaseArg = 0.0, detPhaseMag = 0.0;
BOOLEAN loopbroken = 0;
for (INT4 jj=0; jj<50 && !loopbroken; jj++) {
REAL4 psi = 0.02*jj*LAL_PI;
Fplus0 = multiAMcoefficients->data[0]->a->data[ii]*cos(2.0*psi) + multiAMcoefficients->data[0]->b->data[ii]*sin(2.0*psi);
Fcross0 = multiAMcoefficients->data[0]->b->data[ii]*cos(2.0*psi) - multiAMcoefficients->data[0]->a->data[ii]*sin(2.0*psi);
Fplus1 = multiAMcoefficients->data[1]->a->data[ii]*cos(2.0*psi) + multiAMcoefficients->data[1]->b->data[ii]*sin(2.0*psi);
Fcross1 = multiAMcoefficients->data[1]->b->data[ii]*cos(2.0*psi) - multiAMcoefficients->data[1]->a->data[ii]*sin(2.0*psi);
for (INT4 kk=0; kk<51 && !loopbroken; kk++) {
//REAL4 cosi = 1.0 - 2.0*0.02*kk;
REAL4 cosi;
if (cosi0<0.0) cosi = -0.02*kk;
else cosi = 0.02*kk;
COMPLEX16 complexnumerator = crect(0.5*Fplus1*(1.0+cosi*cosi), Fcross1*cosi);
COMPLEX16 complexdenominator = crect(0.5*Fplus0*(1.0+cosi*cosi) , Fcross0*cosi);
if (cabs(complexdenominator)>1.0e-7) {
COMPLEX16 complexval = complexnumerator/complexdenominator;
detPhaseMag += fmin(cabs(complexval), 10.0);
detPhaseArg += gsl_sf_angle_restrict_pos(carg(complexval));
} else {
loopbroken = 1;
detPhaseMag = 0.0;
detPhaseArg = 0.0;
}
}
}
detPhaseMag /= 2550.0;
detPhaseArg /= 2550.0;
REAL8 timediff0 = multissb->data[0]->DeltaT->data[ii] - 0.5*uvar.Tsft*multissb->data[0]->Tdot->data[ii];
REAL8 timediff1 = multissb->data[1]->DeltaT->data[ii] - 0.5*uvar.Tsft*multissb->data[1]->Tdot->data[ii];
REAL8 tau = timediff1 - timediff0;
REAL8 freqshift0 = -LAL_TWOPI*tau*frequency0;
REAL8 freqshift = -LAL_TWOPI*tau*frequency;
REAL8 nearestFrequency = round(multissb->data[0]->Tdot->data[ii]*frequency*uvar.Tsft)/uvar.Tsft;
COMPLEX16 dirichlet0 = conj(DirichletKernelLargeNHann((multissb->data[1]->Tdot->data[ii]*frequency0-nearestFrequency)*uvar.Tsft)/DirichletKernelLargeNHann((multissb->data[0]->Tdot->data[ii]*frequency0-nearestFrequency)*uvar.Tsft));
COMPLEX16 dirichlet = conj(DirichletKernelLargeNHann((multissb->data[1]->Tdot->data[ii]*frequency-nearestFrequency)*uvar.Tsft)/DirichletKernelLargeNHann((multissb->data[0]->Tdot->data[ii]*frequency-nearestFrequency)*uvar.Tsft));
COMPLEX16 signal0 = 0.5*crect(0.5*Fplus0*(1.0+cosi0*cosi0), Fcross0*cosi0)*cpolar(1.0, LAL_TWOPI*frequency0*0.5*uvar.Tsft+LAL_TWOPI*frequency0*(multissb->data[0]->DeltaT->data[ii]+multissb->data[0]->Tdot->data[ii]*0.5*uvar.Tsft))*uvar.Tsft*DirichletKernelLargeNHann((multissb->data[0]->Tdot->data[ii]*frequency0-nearestFrequency)*uvar.Tsft);
COMPLEX16 signal1 = 0.5*crect(0.5*Fplus1*(1.0+cosi0*cosi0), Fcross1*cosi0)*cpolar(1.0, LAL_TWOPI*frequency0*0.5*uvar.Tsft+LAL_TWOPI*frequency0*(multissb->data[1]->DeltaT->data[ii]+multissb->data[1]->Tdot->data[ii]*0.5*uvar.Tsft))*uvar.Tsft*DirichletKernelLargeNHann((multissb->data[1]->Tdot->data[ii]*frequency0-nearestFrequency)*uvar.Tsft);
fprintf(OUTPUT, "%g %g %g %g %g %g %g %g %g %g %g %g %g %g\n", cabs(signal0), gsl_sf_angle_restrict_pos(carg(signal0)), cabs(signal1), gsl_sf_angle_restrict_pos(carg(signal1)), cabs(RatioTerm0), gsl_sf_angle_restrict_pos(carg(RatioTerm0)), detPhaseMag, detPhaseArg, freqshift0, freqshift, cabs(dirichlet0), gsl_sf_angle_restrict_pos(carg(dirichlet0)), cabs(dirichlet), gsl_sf_angle_restrict_pos(carg(dirichlet)));
//fprintf(OUTPUT, "%g %g %g %g\n", cabs(signal0), gsl_sf_angle_restrict_pos(carg(signal0)), cabs(signal1), gsl_sf_angle_restrict_pos(carg(signal1)));
}
XLALDestroyMultiAMCoeffs(multiAMcoefficients);
XLALDestroyMultiSSBtimes(multissb);
}
fclose(OUTPUT);
gsl_rng_free(rng);
XLALDestroyMultiDetectorStateSeries(multiStateSeries);
XLALDestroyMultiTimestamps(multiTimestamps);
XLALDestroyEphemerisData(edat);
XLALFree(detectors);
XLALDestroyUserVars();
}
/** Initialized Fstat-code: handle user-input and set everything up. */
void
InitPFS ( LALStatus *status, ConfigVariables *cfg, const UserInput_t *uvar )
{
static const char *fn = "InitPFS()";
SFTCatalog *catalog = NULL;
SFTConstraints constraints = empty_SFTConstraints;
SkyPosition skypos;
LIGOTimeGPS startTime, endTime;
REAL8 duration, Tsft;
LIGOTimeGPS minStartTimeGPS, maxEndTimeGPS;
EphemerisData *edat = NULL; /* ephemeris data */
MultiAMCoeffs *multiAMcoef = NULL;
MultiPSDVector *multiRngmed = NULL;
MultiNoiseWeights *multiNoiseWeights = NULL;
MultiSFTVector *multiSFTs = NULL; /* multi-IFO SFT-vectors */
MultiDetectorStateSeries *multiDetStates = NULL; /* pos, vel and LMSTs for detector at times t_i */
UINT4 X, i;
INITSTATUS(status);
ATTATCHSTATUSPTR (status);
{ /* Check user-input consistency */
BOOLEAN have_h0, have_cosi, have_cosiota, have_Ap, have_Ac;
REAL8 cosi = 0;
have_h0 = LALUserVarWasSet ( &uvar->h0 );
have_cosi = LALUserVarWasSet ( &uvar->cosi );
have_cosiota = LALUserVarWasSet ( &uvar->cosiota );
have_Ap = LALUserVarWasSet ( &uvar->aPlus );
have_Ac = LALUserVarWasSet ( &uvar->aCross );
/* ----- handle cosi/cosiota ambiguity */
if ( (have_cosi && have_cosiota) ) {
LogPrintf (LOG_CRITICAL, "Need EITHER --cosi [preferred] OR --cosiota [deprecated]!\n");
ABORT ( status, PREDICTFSTAT_EINPUT, PREDICTFSTAT_MSGEINPUT );
}
if ( have_cosiota ) {
cosi = uvar->cosiota;
have_cosi = TRUE;
}
else if ( have_cosi ) {
cosi = uvar->cosi;
have_cosi = TRUE;
}
/* ----- handle {h0,cosi} || {aPlus,aCross} freedom ----- */
if ( ( have_h0 && !have_cosi ) || ( !have_h0 && have_cosi ) )
{
LogPrintf (LOG_CRITICAL, "Need both (h0, cosi) to specify signal!\n");
ABORT ( status, PREDICTFSTAT_EINPUT, PREDICTFSTAT_MSGEINPUT );
}
if ( ( have_Ap && !have_Ac) || ( !have_Ap && have_Ac ) )
{
LogPrintf (LOG_CRITICAL, "Need both (aPlus, aCross) to specify signal!\n");
ABORT ( status, PREDICTFSTAT_EINPUT, PREDICTFSTAT_MSGEINPUT );
}
if ( have_h0 && have_Ap )
{
LogPrintf (LOG_CRITICAL, "Overdetermined: specify EITHER (h0,cosi) OR (aPlus,aCross)!\n");
ABORT ( status, PREDICTFSTAT_EINPUT, PREDICTFSTAT_MSGEINPUT );
}
/* ----- internally we always use Aplus, Across */
if ( have_h0 )
{
cfg->aPlus = 0.5 * uvar->h0 * ( 1.0 + SQ( cosi) );
cfg->aCross = uvar->h0 * uvar->cosi;
}
else
{
cfg->aPlus = uvar->aPlus;
cfg->aCross = uvar->aCross;
}
}/* check user-input */
/* ----- prepare SFT-reading ----- */
if ( LALUserVarWasSet ( &uvar->IFO ) )
if ( (constraints.detector = XLALGetChannelPrefix ( uvar->IFO )) == NULL ) {
ABORT ( status, PREDICTFSTAT_EINPUT, PREDICTFSTAT_MSGEINPUT);
}
minStartTimeGPS.gpsSeconds = uvar->minStartTime;
minStartTimeGPS.gpsNanoSeconds = 0;
maxEndTimeGPS.gpsSeconds = uvar->maxEndTime;
maxEndTimeGPS.gpsNanoSeconds = 0;
constraints.minStartTime = &minStartTimeGPS;
constraints.maxEndTime = &maxEndTimeGPS;
/* ----- get full SFT-catalog of all matching (multi-IFO) SFTs */
LogPrintf (LOG_DEBUG, "Finding all SFTs to load ... ");
TRY ( LALSFTdataFind ( status->statusPtr, &catalog, uvar->DataFiles, &constraints ), status);
LogPrintfVerbatim (LOG_DEBUG, "done. (found %d SFTs)\n", catalog->length);
if ( constraints.detector )
LALFree ( constraints.detector );
if ( catalog->length == 0 )
{
LogPrintf (LOG_CRITICAL, "No matching SFTs for pattern '%s'!\n", uvar->DataFiles );
ABORT ( status, PREDICTFSTAT_EINPUT, PREDICTFSTAT_MSGEINPUT);
}
/* ----- deduce start- and end-time of the observation spanned by the data */
{
GV.numSFTs = catalog->length; /* total number of SFTs */
Tsft = 1.0 / catalog->data[0].header.deltaF;
startTime = catalog->data[0].header.epoch;
endTime = catalog->data[GV.numSFTs-1].header.epoch;
XLALGPSAdd(&endTime, Tsft);
duration = GPS2REAL8(endTime) - GPS2REAL8 (startTime);
}
{ /* ----- load ephemeris-data ----- */
edat = XLALInitBarycenter( uvar->ephemEarth, uvar->ephemSun );
if ( !edat ) {
XLALPrintError("XLALInitBarycenter failed: could not load Earth ephemeris '%s' and Sun ephemeris '%s'\n", uvar->ephemEarth, uvar->ephemSun);
ABORT ( status, PREDICTFSTAT_EINPUT, PREDICTFSTAT_MSGEINPUT);
}
}
{/* ----- load the multi-IFO SFT-vectors ----- */
UINT4 wings = uvar->RngMedWindow/2 + 10; /* extra frequency-bins needed for rngmed */
REAL8 fMax = uvar->Freq + 1.0 * wings / Tsft;
REAL8 fMin = uvar->Freq - 1.0 * wings / Tsft;
LogPrintf (LOG_DEBUG, "Loading SFTs ... ");
TRY ( LALLoadMultiSFTs ( status->statusPtr, &multiSFTs, catalog, fMin, fMax ), status );
LogPrintfVerbatim (LOG_DEBUG, "done.\n");
TRY ( LALDestroySFTCatalog ( status->statusPtr, &catalog ), status );
}
TRY ( LALNormalizeMultiSFTVect (status->statusPtr, &multiRngmed, multiSFTs, uvar->RngMedWindow ), status);
TRY ( LALComputeMultiNoiseWeights (status->statusPtr, &multiNoiseWeights, multiRngmed, uvar->RngMedWindow, 0 ), status );
/* correctly handle the --SignalOnly case:
* set noise-weights to 1, and
* set Sh->1 (single-sided)
*/
if ( uvar->SignalOnly )
{
multiNoiseWeights->Sinv_Tsft = Tsft;
for ( X=0; X < multiNoiseWeights->length; X ++ )
for ( i=0; i < multiNoiseWeights->data[X]->length; i ++ )
multiNoiseWeights->data[X]->data[i] = 1.0;
}
/* ----- handle transient-signal window if given ----- */
if ( LALUserVarWasSet ( &uvar->transientWindowType ) && strcmp ( uvar->transientWindowType, "none") )
{
transientWindow_t transientWindow; /**< properties of transient-signal window */
MultiLIGOTimeGPSVector *mTS;
if ( !strcmp ( uvar->transientWindowType, "rect" ) )
transientWindow.type = TRANSIENT_RECTANGULAR; /* rectangular window [t0, t0+tau] */
else if ( !strcmp ( uvar->transientWindowType, "exp" ) )
transientWindow.type = TRANSIENT_EXPONENTIAL; /* exponential decay window e^[-(t-t0)/tau for t>t0, 0 otherwise */
else
{
XLALPrintError ("Illegal transient window '%s' specified: valid are 'none', 'rect' or 'exp'\n", uvar->transientWindowType);
ABORT ( status, PREDICTFSTAT_EINPUT, PREDICTFSTAT_MSGEINPUT );
}
if ( LALUserVarWasSet ( &uvar->transientStartTime ) )
transientWindow.t0 = uvar->transientStartTime;
else
transientWindow.t0 = XLALGPSGetREAL8( &startTime ); /* if not set, default window startTime == startTime here */
transientWindow.tau = uvar->transientTauDays;
if ( (mTS = XLALExtractMultiTimestampsFromSFTs ( multiSFTs )) == NULL ) {
XLALPrintError ("%s: failed to XLALExtractMultiTimestampsFromSFTs() from SFTs. xlalErrno = %d.\n", fn, xlalErrno );
ABORT ( status, PREDICTFSTAT_EXLAL, PREDICTFSTAT_MSGEXLAL );
}
if ( XLALApplyTransientWindow2NoiseWeights ( multiNoiseWeights, mTS, transientWindow ) != XLAL_SUCCESS ) {
XLALPrintError ("%s: XLALApplyTransientWindow2NoiseWeights() failed! xlalErrno = %d\n", fn, xlalErrno );
ABORT ( status, PREDICTFSTAT_EXLAL, PREDICTFSTAT_MSGEXLAL );
}
XLALDestroyMultiTimestamps ( mTS );
} /* apply transient window to noise-weights */
/* ----- obtain the (multi-IFO) 'detector-state series' for all SFTs ----- */
TRY (LALGetMultiDetectorStates( status->statusPtr, &multiDetStates, multiSFTs, edat), status );
/* normalize skyposition: correctly map into [0,2pi]x[-pi/2,pi/2] */
skypos.longitude = uvar->Alpha;
skypos.latitude = uvar->Delta;
skypos.system = COORDINATESYSTEM_EQUATORIAL;
TRY (LALNormalizeSkyPosition ( status->statusPtr, &skypos, &skypos), status);
TRY ( LALGetMultiAMCoeffs ( status->statusPtr, &multiAMcoef, multiDetStates, skypos ), status);
/* noise-weighting of Antenna-patterns and compute A,B,C */
if ( XLALWeightMultiAMCoeffs ( multiAMcoef, multiNoiseWeights ) != XLAL_SUCCESS ) {
LogPrintf (LOG_CRITICAL, "XLALWeightMultiAMCoeffs() failed with error = %d\n\n", xlalErrno );
ABORT ( status, PREDICTFSTAT_EXLAL, PREDICTFSTAT_MSGEXLAL );
}
/* OK: we only need the antenna-pattern matrix M_mu_nu */
cfg->Mmunu = multiAMcoef->Mmunu;
/* ----- produce a log-string describing the data-specific setup ----- */
{
struct tm utc;
time_t tp;
CHAR dateStr[512], line[512], summary[1024];
UINT4 j, numDet;
numDet = multiSFTs->length;
tp = time(NULL);
sprintf (summary, "%%%% Date: %s", asctime( gmtime( &tp ) ) );
strcat (summary, "%% Loaded SFTs: [ " );
for ( j=0; j < numDet; j ++ ) {
sprintf (line, "%s:%d%s", multiSFTs->data[j]->data->name, multiSFTs->data[j]->length,
(j < numDet - 1)?", ":" ]\n");
strcat ( summary, line );
}
utc = *XLALGPSToUTC( &utc, (INT4)GPS2REAL8(startTime) );
strcpy ( dateStr, asctime(&utc) );
dateStr[ strlen(dateStr) - 1 ] = 0;
sprintf (line, "%%%% Start GPS time tStart = %12.3f (%s GMT)\n", GPS2REAL8(startTime), dateStr);
strcat ( summary, line );
sprintf (line, "%%%% Total time spanned = %12.3f s (%.1f hours)\n", duration, duration/3600 );
strcat ( summary, line );
if ( (cfg->dataSummary = LALCalloc(1, strlen(summary) + 1 )) == NULL ) {
ABORT (status, PREDICTFSTAT_EMEM, PREDICTFSTAT_MSGEMEM);
}
strcpy ( cfg->dataSummary, summary );
LogPrintfVerbatim( LOG_DEBUG, cfg->dataSummary );
} /* write dataSummary string */
/* free everything not needed any more */
TRY ( LALDestroyMultiPSDVector (status->statusPtr, &multiRngmed ), status );
TRY ( LALDestroyMultiNoiseWeights (status->statusPtr, &multiNoiseWeights ), status );
TRY ( LALDestroyMultiSFTVector (status->statusPtr, &multiSFTs ), status );
XLALDestroyMultiDetectorStateSeries ( multiDetStates );
XLALDestroyMultiAMCoeffs ( multiAMcoef );
/* Free ephemeris data */
XLALDestroyEphemerisData (edat);
DETATCHSTATUSPTR (status);
RETURN (status);
} /* InitPFS() */
/* ----- function definitions ---------- */
int main(int argc, char *argv[])
{
int opt; /* Command-line option. */
UINT4 numIFOs = 2;
const CHAR *sites[2] = {"H1", "V1"};
UINT4 startTime = 714180733;
UINT4 duration = 180000; /* 50 hours */
UINT4 Tsft = 1800; /* assume 30min SFTs */
REAL8 tolerance = 2e-6; /* same algorithm, should be basically identical results */
char earthEphem[] = TEST_DATA_DIR "earth00-19-DE405.dat.gz";
char sunEphem[] = TEST_DATA_DIR "sun00-19-DE405.dat.gz";
UINT4 numChecks = 1; /* Number of times to check */
/* read user input */
while ((opt = LALgetopt( argc, argv, "n:qv:" )) != -1) {
switch (opt) {
case 'v': /* set lalDebugLevel */
break;
case 'n': /* number of times to check */
numChecks = atoi( LALoptarg );
break;
}
}
/* init random-generator */
struct tms buf;
UINT4 seed = times(&buf);
srand ( seed );
XLALPrintInfo ("%s: seed used = %d\n", __func__, seed );
/* ----- init ephemeris ----- */
EphemerisData *edat;
if ( (edat = XLALInitBarycenter ( earthEphem, sunEphem )) == NULL ) {
XLALPrintError ("%s: XLALInitBarycenter() failed with xlalErrno = %d\n", __func__, xlalErrno );
return XLAL_EFAILED;
}
/* ----- init detector info ---------- */
UINT4 X;
MultiLALDetector multiDet;
multiDet.length = numIFOs;
for (X=0; X < numIFOs; X ++ )
{
LALDetector *site;
if ( (site = XLALGetSiteInfo ( sites[X] )) == NULL ) {
XLALPrintError ("%s: Failed to get site-info for detector '%s'\n", __func__, sites[X] );
return XLAL_EFAILED;
}
multiDet.sites[X] = (*site); /* copy! */
XLALFree ( site );
}
/* ----- init multi-IFO timestamps vector ---------- */
UINT4 numSteps = (UINT4) ceil ( duration / Tsft );
MultiLIGOTimeGPSVector * multiTS;
if ( (multiTS = XLALCalloc ( 1, sizeof(*multiTS))) == NULL ) {
XLAL_ERROR ( XLAL_ENOMEM );
}
multiTS->length = numIFOs;
if ( (multiTS->data = XLALCalloc (numIFOs, sizeof(*multiTS->data))) == NULL ) {
XLAL_ERROR ( XLAL_ENOMEM );
}
for ( X=0; X < numIFOs; X ++ )
{
if ( (multiTS->data[X] = XLALCreateTimestampVector (numSteps)) == NULL ) {
XLALPrintError ("%s: XLALCreateTimestampVector(%d) failed.\n", __func__, numSteps );
return XLAL_EFAILED;
}
multiTS->data[X]->deltaT = Tsft;
UINT4 i;
for ( i=0; i < numSteps; i ++ )
{
UINT4 ti = startTime + i * Tsft;
multiTS->data[X]->data[i].gpsSeconds = ti;
multiTS->data[X]->data[i].gpsNanoSeconds = 0;
} /* for i < numSteps */
} /* for X < numIFOs */
/* ---------- compute multi-detector states -------------------- */
MultiDetectorStateSeries *multiDetStates;
if ( (multiDetStates = XLALGetMultiDetectorStates ( multiTS, &multiDet, edat, 0.5 * Tsft )) == NULL ) {
XLALPrintError ( "%s: XLALGetMultiDetectorStates() failed.\n", __func__ );
return XLAL_EFAILED;
}
XLALDestroyMultiTimestamps ( multiTS );
XLALDestroyEphemerisData ( edat );
/* ========== MAIN LOOP: N-trials of comparisons XLAL <--> LAL multiAM functions ========== */
while ( numChecks-- )
{
LALStatus XLAL_INIT_DECL(status);
/* ----- pick skyposition at random ----- */
SkyPosition skypos;
skypos.longitude = LAL_TWOPI * (1.0 * rand() / ( RAND_MAX + 1.0 ) ); /* uniform in [0, 2pi) */
skypos.latitude = LAL_PI_2 - acos ( 1 - 2.0 * rand()/RAND_MAX ); /* sin(delta) uniform in [-1,1] */
skypos.system = COORDINATESYSTEM_EQUATORIAL;
MultiNoiseWeights *weights = NULL; /* for now we only deal with unit-weights case */
/* ----- compute multiAM using LAL function ----- */
MultiAMCoeffs *multiAM_LAL = NULL;
LALGetMultiAMCoeffs ( &status, &multiAM_LAL, multiDetStates, skypos );
if ( status.statusCode ) {
XLALPrintError ("%s: LALGetMultiAMCoeffs() failed with statusCode = %d : %s\n", __func__, status.statusCode, status.statusDescription );
return XLAL_EFAILED;
}
if ( XLALWeightMultiAMCoeffs ( multiAM_LAL, weights ) != XLAL_SUCCESS ) {
XLALPrintError ("%s: XLALWeightMultiAMCoeffs() failed with xlalErrno = %d\n", __func__, xlalErrno );
return XLAL_EFAILED;
}
/* ----- compute multiAM using XLAL function ----- */
MultiAMCoeffs *multiAM_XLAL;
if ( ( multiAM_XLAL = XLALComputeMultiAMCoeffs ( multiDetStates, weights, skypos )) == NULL ) {
XLALPrintError ("%s: XLALComputeMultiAMCoeffs() failed with xlalErrno = %d\n", __func__, xlalErrno );
return XLAL_EFAILED;
}
/* now run comparison */
if ( XLALCompareMultiAMCoeffs ( multiAM_XLAL, multiAM_LAL, tolerance ) != XLAL_SUCCESS ) {
XLALPrintError ("%s: comparison between multiAM_XLAL and multiAM_LAL failed.\n", __func__ );
return XLAL_EFAILED;
}
/* free memory created inside this loop */
XLALDestroyMultiAMCoeffs ( multiAM_LAL );
XLALDestroyMultiAMCoeffs ( multiAM_XLAL );
} /* for numChecks */
/* we're done: free memory */
XLALDestroyMultiDetectorStateSeries ( multiDetStates );
LALCheckMemoryLeaks();
printf ("OK. All tests passed successfully\n\n");
return 0; /* OK */
} /* main() */
