/[PAMELA software]/DarthVader/TrackerLevel2/src/F77/mini.f
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revision 1.23 by pam-fi, Fri Dec 5 08:26:47 2008 UTC revision 1.25 by mocchiut, Tue Aug 4 14:01:38 2009 UTC
# Line 23  c      logical DEBUG Line 23  c      logical DEBUG
23  c      common/dbg/DEBUG  c      common/dbg/DEBUG
24    
25        parameter (dinf=1.d15)      !just a huge number...        parameter (dinf=1.d15)      !just a huge number...
26          parameter (dinfneg=-dinf)   ! just a huge negative number...
27  c------------------------------------------------------------------------  c------------------------------------------------------------------------
28  c     variables used in the tracking procedure (mini and its subroutines)  c     variables used in the tracking procedure (mini and its subroutines)
29  c  c
# Line 44  c      DATA XGOOD,YGOOD/nplanes*1.,nplan Line 45  c      DATA XGOOD,YGOOD/nplanes*1.,nplan
45  c      DATA ALMAX/dinf,dinf,1.,dinf,dinf/ !limits on alpha vector components  c      DATA ALMAX/dinf,dinf,1.,dinf,dinf/ !limits on alpha vector components
46  c      DATA ALMIN/-dinf,-dinf,-1.,-dinf,-dinf/ !"  c      DATA ALMIN/-dinf,-dinf,-1.,-dinf,-dinf/ !"
47        DATA ALMAX/dinf,dinf,1.,dinf,dinf/ !limits on alpha vector components        DATA ALMAX/dinf,dinf,1.,dinf,dinf/ !limits on alpha vector components
48        DATA ALMIN/-dinf,-dinf,-1.,-dinf,-dinf/ !"        DATA ALMIN/dinfneg,dinfneg,-1.,dinfneg,dinfneg/ !"
49    
50  c$$$      DIMENSION DAL(5)                    !increment of vector alfa  c$$$      DIMENSION DAL(5)                    !increment of vector alfa
51        DIMENSION CHI2DD_R(4,4),CHI2D_R(4) !hessiano e gradiente di chi2        DIMENSION CHI2DD_R(4,4),CHI2D_R(4) !hessiano e gradiente di chi2
# Line 141  c$$$      DELETA2 = 0.016/0.3/0.4/0.4451 Line 142  c$$$      DELETA2 = 0.016/0.3/0.4/0.4451
142        CHI2=0        CHI2=0
143    
144        if(TRKDEBUG) print*,'guess: ',al        if(TRKDEBUG) print*,'guess: ',al
145        if(TRKDEBUG) print*,'mini2: step ',istep,chi2,1./AL(5)        if(TRKDEBUG) print*,'mini2: step ',istep,chi2,AL(5)
146    
147  *      *    
148  *     -----------------------  *     -----------------------
# Line 251  c$$$            CHI2D(I)=CHI2D(I)*COST Line 252  c$$$            CHI2D(I)=CHI2D(I)*COST
252              ENDDO              ENDDO
253           ENDIF           ENDIF
254                
255           if(TRKDEBUG) print*,'mini2: step ',istep,chi2,1./AL(5)           if(TRKDEBUG) print*,'mini2: step ',istep,chi2,AL(5)
256    
257  c$$$         PRINT*,'DAL ',(DAL(K),K=1,5)  c$$$         PRINT*,'DAL ',(DAL(K),K=1,5)
258  c$$$         PRINT*,'CHI2DOLD ',(CHI2DOLD(K),K=1,5)  c$$$         PRINT*,'CHI2DOLD ',(CHI2DOLD(K),K=1,5)
# Line 418  c$$$     $        ISTEPMAX Line 419  c$$$     $        ISTEPMAX
419  *     ---------------------------------------------  *     ---------------------------------------------
420  *------------------------------------------------------------*  *------------------------------------------------------------*
421  c$$$      ALTOL(5) = DSQRT(DELETA1**2+DELETA2**2*AL(5)**2)/FACT  c$$$      ALTOL(5) = DSQRT(DELETA1**2+DELETA2**2*AL(5)**2)/FACT
422          IF(FACT.EQ.0)THEN
423             IFAIL=1
424             RETURN
425          ENDIF
426        ALTOL(5) = DSQRT((DELETA1*AVRESX)**2+DELETA2**2*AL(5)**2)/FACT        ALTOL(5) = DSQRT((DELETA1*AVRESX)**2+DELETA2**2*AL(5)**2)/FACT
427        ALTOL(1) = ALTOL(5)/DELETA1        ALTOL(1) = ALTOL(5)/DELETA1
428        ALTOL(2) = ALTOL(1)        ALTOL(2) = ALTOL(1)
# Line 554  c$$$               DAL(I)=0. Line 559  c$$$               DAL(I)=0.
559  *     ------------------------------------  *     ------------------------------------
560  *     Reduced chi^2  *     Reduced chi^2
561        CHI2 = CHI2/dble(ndof)        CHI2 = CHI2/dble(ndof)
   
562  c      print*,'mini2: chi2 ',chi2  c      print*,'mini2: chi2 ',chi2
563    
564   11   CONTINUE         11   CONTINUE      
565    
566        if(TRKDEBUG) print*,'mini2: -ok- ',istep,chi2,1./AL(5)        if(TRKDEBUG) print*,'mini2: -ok- ',istep,chi2,AL(5)
567    
568        NSTEP=ISTEP ! ***PP***        NSTEP=ISTEP ! ***PP***
569    
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