*-- Author : S.Burke / J.V. Morris SUBROUTINE FKLPAS(JPL,NDROP,IERR) ********************************************************************** * * * Point acquisition during smoothing (at plane JPL) * * * * ERROR CONDITIONS; * * IERR = 0 ; normal termination * * -> IERR = 1 ; smoothed vector missing * * -> IERR = 2 ; LMES(JPL) set on entry, but IRJCT(JPL) > 1 * * -> IERR = 3 ; LMES(JPL) not set by FKLOOK or FKHUNT * * -> IERR = 4 ; internal error (IFLAG=0 in call to FKLRFL) * * IERR = 7 ; measurement covariance n.p.d. (not added) * * IERR = 11 ; smoothed covariance n.p.d. (not added) * * IERR = 12 ; covariance of smoothed residuals n.p.d. * * IERR = 16 ; theta > pi/2 (reset to pi/4) * * IERR = 17 ; theta > 1 (warning) * * * * -> `Fatal' error * * * * `Fatal' means that a serious problem occurred, but all errors * * are recoverable as no changes are made. * * * * Error codes from FKHUNT are passed back unchanged, but these are * * not yet defined. * * * ********************************************************************** LOGICAL FKLOOK,FKHUNT *KEEP,FKECODE. *KEND. *KEEP,FKNPL. * * Per-track values can go in H1WORK; note that LTRUE and LFIRST must * be set at least per event. * * This is about 36k words long; the remaining common blocks are * about 3.6k in total. Some of this could be in /H1WORK/, but the * blocks would have to be reorganised. * * /FKPROJ/ * /FKFILT/ * /FKSMTH/ * /FKINT/ * /FKRSID/ * /FKTRUE/ * /FKDBG/ *KEEP,FKFLAG. *KEEP,FKRJCT. *KEEP,FKSMTH. *KEEP,FKRSID. *KEEP,FKTRUE. *KEND. ********************************************************************** CALL FKERR(IUTIL,IROUT,IWARN,IINF1,IERR) * * See if there's a new digi - first look for a completely new one ... * (If there's already a measurement, there may be a problem. FKHUNT * should check for this, and unhook the existing measurement if * necessary.) * IF (.NOT.FKHUNT(JPL,SSMT(1,JPL),CSMT(1,1,JPL),IFAIL)) THEN IF (IFAIL.NE.0) CALL FKERR(IUTIL,IROUT,IWARN,IFAIL,IERR) * * No luck, so if a point was previously rejected here, see if it * can go back again (but don't try more than once). * If NDROP = JPL we just rejected this point, so don't try to * put it back! * * LMES(JPL) should not be set if IRJCT(JPL) is positive CALL FKERR(IUTIL,IROUT,IWARN,IINF3,IERR) IF (.NOT.FKLOOK(JPL,SSMT(1,JPL),CSMT(1,1,JPL),IFAIL)) RETURN IF (IFAIL.NE.0) CALL FKERR(IUTIL,IROUT,IFAIL/100,IFAIL,IERR) * This shouldn't happen! * * A new point has been found, so put it in * CALL FKLRFL(JPL,2,IFAIL) IF (IFAIL.NE.0) CALL FKERR(IUTIL,IROUT,IWARN,IFAIL,IERR) CALL FKLRSD(JPL,SSMT(1,JPL),CSMT(1,1,JPL),-3, IF (IFAIL.NE.0) CALL FKERR(IUTIL,IROUT,IWARN,IFAIL,IERR) CALL FKRST(JPL,IFAIL) IF (IFAIL.NE.0) CALL FKERR(IUTIL,IROUT,IWARN,IFAIL,IERR) * Only count a genuinely new point *