/**
 * basic initializations: deal with user input and return standardized 'ConfigVariables'
 */
int
XLALInitCode ( ConfigVariables *cfg, const UserVariables_t *uvar, const char *app_name)
{
  if ( !cfg || !uvar || !app_name ) {
    XLALPrintError ("%s: illegal NULL pointer input.\n\n", __func__ );
    XLAL_ERROR ( XLAL_EINVAL );
  }

  /* init ephemeris data */
  XLAL_CHECK ( (cfg->edat = XLALInitBarycenter ( uvar->ephemEarth, uvar->ephemSun )) != NULL, XLAL_EFUNC );

  /* convert input REAL8 time into LIGOTimeGPS */
  if ( XLALGPSSetREAL8( &cfg->timeGPS, uvar->timeGPS ) == NULL ) {
    XLALPrintError ("%s: failed to convert input GPS %g into LIGOTimeGPS\n", __func__, uvar->timeGPS );
    XLAL_ERROR ( XLAL_EFUNC );
  }

  /* set up dummy timestamps vector containing just this one timestamps
   * (used to interface with LALComputeAM(), LALGetAMCoeffs() and LALNewGetAMCoeffs())
   */
  if ( (cfg->timestamps = XLALCreateTimestampVector( 1 )) == NULL ) {
    XLALPrintError ("%s: XLALCreateTimestampVector( 1 ) failed.", __func__ );
    XLAL_ERROR ( XLAL_EFUNC );
  }
  cfg->timestamps->data[0] = cfg->timeGPS;

  /* convert detector name into site-info */
  if ( ( cfg->det = XLALGetSiteInfo ( uvar->detector )) == NULL )
    {
      XLALPrintError ("%s: XLALGetSiteInfo('%s') failed.\n", __func__, uvar->detector );
      XLAL_ERROR ( XLAL_EFUNC );
    }

  /* NOTE: contrary to ComputeAM() and LALGetAMCoffs(), the new function LALNewGetAMCoeffs()
   * computes 'a * sinzeta' and 'b * sinzeta': for the comparison we therefore need to correct
   * for GEO's opening-angle of 94.33degrees [JKS98]: */
  if ( ! strcmp ( cfg->det->frDetector.name, "GEO_600" ) )
    cfg->sinzeta = 0.997146;
  else
    cfg->sinzeta = 1;


  /* convert input skyposition to radians Alpha/Delta [trivial here] */
  cfg->skypos.system = COORDINATESYSTEM_EQUATORIAL;
  cfg->skypos.longitude = uvar->Alpha;
  cfg->skypos.latitude  = uvar->Delta;


  return XLAL_SUCCESS;

} /* XLALInitCode() */
Exemplo n.º 2
0
/** 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() */
Exemplo n.º 3
0
/** 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() */
Exemplo n.º 4
0
/**
 * basic initializations: deal with user input and return standardized 'ConfigVariables'
 */
int
XLALInitCode ( ConfigVariables *cfg, const UserVariables_t *uvar, const char *app_name)
{
  XLAL_CHECK ( cfg && uvar && app_name, XLAL_EINVAL, "Illegal NULL pointer input." );

  /* init ephemeris data */
  XLAL_CHECK ( ( cfg->edat = XLALInitBarycenter( uvar->ephemEarth, uvar->ephemSun ) ) != NULL, XLAL_EFUNC, "XLALInitBarycenter failed: could not load Earth ephemeris '%s' and Sun ephemeris '%s.", uvar->ephemEarth, uvar->ephemSun);

  cfg->numDetectors = uvar->IFOs->length;

  cfg->numTimeStamps = 0;
  XLAL_CHECK ( (cfg->numTimeStampsX = XLALCreateUINT4Vector ( cfg->numDetectors )) != NULL, XLAL_EFUNC, "XLALCreateREAL8Vector(%d) failed.", cfg->numDetectors );

  BOOLEAN haveTimeGPS = XLALUserVarWasSet( &uvar->timeGPS );
  BOOLEAN haveTimeStampsFile = XLALUserVarWasSet( &uvar->timeStampsFile );
  BOOLEAN haveTimeStampsFiles = XLALUserVarWasSet( &uvar->timeStampsFiles );

  XLAL_CHECK ( !(haveTimeStampsFiles && haveTimeStampsFile), XLAL_EINVAL, "Can't handle both timeStampsFiles and (deprecated) haveTimeStampsFiles input options." );
  XLAL_CHECK ( !(haveTimeGPS && haveTimeStampsFile), XLAL_EINVAL, "Can't handle both (deprecated) timeStampsFile and timeGPS input options." );
  XLAL_CHECK ( !(haveTimeGPS && haveTimeStampsFiles), XLAL_EINVAL, "Can't handle both timeStampsFiles and timeGPS input options." );
  XLAL_CHECK ( haveTimeGPS || haveTimeStampsFiles || haveTimeStampsFile, XLAL_EINVAL, "Need either timeStampsFiles or timeGPS input option." );
  if ( haveTimeStampsFiles ) {
    XLAL_CHECK ( (uvar->timeStampsFiles->length == 1 ) || ( uvar->timeStampsFiles->length == cfg->numDetectors ), XLAL_EINVAL, "Length of timeStampsFiles list is neither 1 (one file for all detectors) nor does it match the number of detectors. (%d != %d)", uvar->timeStampsFiles->length, cfg->numDetectors );
    XLAL_CHECK ( (uvar->timeStampsFiles->length == 1 ) || !uvar->outab, XLAL_EINVAL, "At the moment, can't produce a(t), b(t) output (--outab) when given per-IFO --timeStampsFiles.");
  }

  if ( haveTimeStampsFiles && ( uvar->timeStampsFiles->length == cfg->numDetectors ) ) {

    XLAL_CHECK ( ( cfg->multiTimestamps = XLALReadMultiTimestampsFiles ( uvar->timeStampsFiles ) ) != NULL, XLAL_EFUNC );

    XLAL_CHECK ( (cfg->multiTimestamps->length > 0) && (cfg->multiTimestamps->data != NULL), XLAL_EINVAL, "Got empty timestamps-list from '%s'.", uvar->timeStampsFiles );

  }

  else {

    /* prepare multiTimestamps structure */
    UINT4 nTS = 0;
    XLAL_CHECK ( ( cfg->multiTimestamps = XLALCalloc ( 1, sizeof(*cfg->multiTimestamps))) != NULL, XLAL_ENOMEM, "Allocating multiTimestamps failed." );
    XLAL_CHECK ( ( cfg->multiTimestamps->data = XLALCalloc ( cfg->numDetectors, sizeof(cfg->multiTimestamps->data) )) != NULL, XLAL_ENOMEM, "Allocating multiTimestamps->data failed." );
    cfg->multiTimestamps->length = cfg->numDetectors;

    if ( haveTimeGPS ) { /* set up timestamps vector from timeGPS, use same for all IFOs */

      nTS = uvar->timeGPS->length;
      XLAL_CHECK ( (cfg->multiTimestamps->data[0] = XLALCreateTimestampVector ( nTS ) ) != NULL, XLAL_EFUNC, "XLALCreateTimestampVector( %d ) failed.",  nTS );

      /* convert input REAL8 times into LIGOTimeGPS for first detector */
      for (UINT4 t = 0; t < nTS; t++) {
        REAL8 temp_real8_timestamp = 0;
        XLAL_CHECK ( 1 == sscanf ( uvar->timeGPS->data[t], "%" LAL_REAL8_FORMAT, &temp_real8_timestamp ), XLAL_EINVAL, "Illegal REAL8 commandline argument to --timeGPS[%d]: '%s'", t, uvar->timeGPS->data[t] );
        XLAL_CHECK ( XLALGPSSetREAL8( &cfg->multiTimestamps->data[0]->data[t], temp_real8_timestamp ) != NULL, XLAL_EFUNC, "Failed to convert input GPS %g into LIGOTimeGPS", temp_real8_timestamp );
       } // for (UINT4 t = 0; t < nTS; t++)

    } // if ( haveTimeGPS )

    else { // haveTimeStampsFiles || haveTimeStampsFile

     CHAR *singleTimeStampsFile = NULL;
     if ( haveTimeStampsFiles ) {
      singleTimeStampsFile = uvar->timeStampsFiles->data[0];
     }
     else if ( haveTimeStampsFile ) {
      singleTimeStampsFile = uvar->timeStampsFile;
     }

     XLAL_CHECK ( ( cfg->multiTimestamps->data[0] = XLALReadTimestampsFile ( singleTimeStampsFile ) ) != NULL, XLAL_EFUNC );
     nTS = cfg->multiTimestamps->data[0]->length;

    } // else: haveTimeStampsFiles || haveTimeStampsFile

    /* copy timestamps from first detector to all others */
    if ( cfg->numDetectors > 1 ) {
      for ( UINT4 X=1; X < cfg->numDetectors; X++ ) {
        XLAL_CHECK ( (cfg->multiTimestamps->data[X] = XLALCreateTimestampVector ( nTS ) ) != NULL, XLAL_EFUNC, "XLALCreateTimestampVector( %d ) failed.", nTS );
        for (UINT4 t = 0; t < nTS; t++) {
          cfg->multiTimestamps->data[X]->data[t].gpsSeconds = cfg->multiTimestamps->data[0]->data[t].gpsSeconds;
          cfg->multiTimestamps->data[X]->data[t].gpsNanoSeconds = cfg->multiTimestamps->data[0]->data[t].gpsNanoSeconds;
        } // for (UINT4 t = 0; t < nTS; t++)
      } // for ( UINT4 X=1; X < cfg->numDetectors X++ )
    } // if ( cfg->numDetectors > 1 )

  } // if !( haveTimeStampsFiles && ( uvar->timeStampsFiles->length == cfg->numDetectors ) )

  for ( UINT4 X=0; X < cfg->numDetectors; X++ ) {
    cfg->numTimeStampsX->data[X] = cfg->multiTimestamps->data[X]->length;
    cfg->numTimeStamps += cfg->numTimeStampsX->data[X];
  }

  /* convert detector names into site-info */
  MultiLALDetector multiDet;
  XLAL_CHECK ( XLALParseMultiLALDetector ( &multiDet, uvar->IFOs ) == XLAL_SUCCESS, XLAL_EFUNC );

  /* get detector states */
  XLAL_CHECK ( (cfg->multiDetStates = XLALGetMultiDetectorStates ( cfg->multiTimestamps, &multiDet, cfg->edat, 0.5 * uvar->Tsft )) != NULL, XLAL_EFUNC, "XLALGetDetectorStates() failed." );

  BOOLEAN haveAlphaDelta = ( XLALUserVarWasSet(&uvar->Alpha) && XLALUserVarWasSet(&uvar->Delta) );
  BOOLEAN haveSkyGrid = XLALUserVarWasSet( &uvar->skyGridFile );

  XLAL_CHECK ( !(haveAlphaDelta && haveSkyGrid), XLAL_EINVAL, "Can't handle both Alpha/Delta and skyGridFile input options." );
  XLAL_CHECK ( haveAlphaDelta || haveSkyGrid, XLAL_EINVAL, "Need either Alpha/Delta or skyGridFile input option." );

  if (haveAlphaDelta) { /* parse this into one-element Alpha, Delta vectors */
    XLAL_CHECK ( (cfg->Alpha = XLALCreateREAL8Vector ( 1 )) != NULL, XLAL_EFUNC, "XLALCreateREAL8Vector(1) failed." );
    cfg->Alpha->data[0] = uvar->Alpha;
    XLAL_CHECK ( (cfg->Delta = XLALCreateREAL8Vector ( 1 )) != NULL, XLAL_EFUNC, "XLALCreateREAL8Vector(1) failed." );
    cfg->Delta->data[0] = uvar->Delta;
    cfg->numSkyPoints = 1;
  } // if (haveAlphaDelta)

  else if ( haveSkyGrid ) {
    LALParsedDataFile *data = NULL;
    XLAL_CHECK ( XLALParseDataFile (&data, uvar->skyGridFile) == XLAL_SUCCESS, XLAL_EFUNC, "Failed to parse data file '%s'.", uvar->skyGridFile );
    cfg->numSkyPoints = data->lines->nTokens;
    XLAL_CHECK ( (cfg->Alpha = XLALCreateREAL8Vector ( cfg->numSkyPoints )) != NULL, XLAL_EFUNC, "XLALCreateREAL8Vector( %d ) failed.", cfg->numSkyPoints  );
    XLAL_CHECK ( (cfg->Delta = XLALCreateREAL8Vector ( cfg->numSkyPoints )) != NULL, XLAL_EFUNC, "XLALCreateREAL8Vector( %d ) failed.", cfg->numSkyPoints  );
    for (UINT4 n=0; n < cfg->numSkyPoints; n++) {
      XLAL_CHECK ( 2 == sscanf( data->lines->tokens[n], "%" LAL_REAL8_FORMAT "%" LAL_REAL8_FORMAT, &cfg->Alpha->data[n], &cfg->Delta->data[n] ), XLAL_EDATA, "Could not parse 2 numbers from line %d in candidate-file '%s':\n'%s'", n, uvar->skyGridFile, data->lines->tokens[n] );
    } // for (UINT4 n=0; n < cfg->numSkyPoints; n++)
    XLALDestroyParsedDataFile ( data );
  } // else if ( haveSkyGrid )

  if ( uvar->noiseSqrtShX ) { /* translate user-input PSD sqrt(SX) to noise-weights (this actually does not care whether they were normalized or not) */

    if (  uvar->noiseSqrtShX->length != cfg->numDetectors ) {
      fprintf(stderr, "Length of noiseSqrtShX vector does not match number of detectors! (%d != %d)\n", uvar->noiseSqrtShX->length, cfg->numDetectors);
      XLAL_ERROR ( XLAL_EINVAL );
    }
    REAL8Vector *noiseSqrtShX = NULL;
    if ( (noiseSqrtShX = XLALCreateREAL8Vector ( cfg->numDetectors )) == NULL ) {
      fprintf(stderr, "Failed call to XLALCreateREAL8Vector( %d )\n", cfg->numDetectors );
      XLAL_ERROR ( XLAL_EFUNC );
    }

    REAL8 psd_normalization = 0;

    for (UINT4 X = 0; X < cfg->numDetectors; X++) {

      if ( 1 != sscanf ( uvar->noiseSqrtShX->data[X], "%" LAL_REAL8_FORMAT, &noiseSqrtShX->data[X] ) ) {
        fprintf(stderr, "Illegal REAL8 commandline argument to --noiseSqrtShX[%d]: '%s'\n", X, uvar->noiseSqrtShX->data[X]);
        XLAL_ERROR ( XLAL_EINVAL );
      }

      if ( noiseSqrtShX->data[X] <= 0.0 ) {
        fprintf(stderr, "Non-positive input PSD ratio for detector X=%d: noiseSqrtShX[X]=%f\n", X, noiseSqrtShX->data[X] );
        XLAL_ERROR ( XLAL_EINVAL );
      }

      psd_normalization += 1.0/SQ(noiseSqrtShX->data[X]);

    } /* for X < cfg->numDetectors */

    psd_normalization = (REAL8)cfg->numDetectors/psd_normalization; /* S = NSFT / sum S_Xalpha^-1, no per-SFT variation here -> S = Ndet / sum S_X^-1 */

    /* create multi noise weights */
    if ( (cfg->multiNoiseWeights = XLALCalloc(1, sizeof(*cfg->multiNoiseWeights))) == NULL ) {
     XLALPrintError ("%s: failed to XLALCalloc ( 1, %d )\n", __func__, sizeof(*cfg->multiNoiseWeights) );
     XLAL_ERROR ( XLAL_ENOMEM );
    }
    if ( (cfg->multiNoiseWeights->data = XLALCalloc(cfg->numDetectors, sizeof(*cfg->multiNoiseWeights->data))) == NULL ) {
     XLALPrintError ("%s: failed to XLALCalloc ( %d, %d )\n", __func__, cfg->numDetectors, sizeof(*cfg->multiNoiseWeights->data) );
     XLAL_ERROR ( XLAL_ENOMEM );
    }
    cfg->multiNoiseWeights->length = cfg->numDetectors;

    for (UINT4 X = 0; X < cfg->numDetectors; X++) {

      REAL8 noise_weight_X = psd_normalization/SQ(noiseSqrtShX->data[X]); /* w_Xalpha = S_Xalpha^-1/S^-1 = S / S_Xalpha */

      /* create k^th weights vector */
      if( ( cfg->multiNoiseWeights->data[X] = XLALCreateREAL8Vector ( cfg->numTimeStampsX->data[X] ) ) == NULL )
        {
          /* free weights vectors created previously in loop */
          XLALDestroyMultiNoiseWeights ( cfg->multiNoiseWeights );
          XLAL_ERROR ( XLAL_EFUNC, "Failed to allocate noiseweights for IFO X = %d\n", X );
        } /* if XLALCreateREAL8Vector() failed */

      /* loop over rngmeds and calculate weights -- one for each sft */
      for ( UINT4 alpha = 0; alpha < cfg->numTimeStampsX->data[X]; alpha++) {
        cfg->multiNoiseWeights->data[X]->data[alpha] = noise_weight_X;
      }

    } /* for X < cfg->numDetectors */

    XLALDestroyREAL8Vector ( noiseSqrtShX );

  } /* if ( uvar->noiseSqrtShX ) */

  else {
    cfg->multiNoiseWeights =  NULL;
  }

  return XLAL_SUCCESS;

} /* XLALInitCode() */
Exemplo n.º 5
0
/* ----- 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() */