410 lines
14 KiB
FortranFixed
410 lines
14 KiB
FortranFixed
subroutine UnivPhotoFit()
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implicit none
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include '../testarea/LeafGasParams.h'
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include '../testarea/LeafGasHybridFit.h'
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integer i,j,k,Priornumrubis,Priornumrubp,Priornumtpu,
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&Currentnumrubis,Currentnumrubp,Currentnumtpu,Postnumrubis,
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&Postnumrubp,Postnumtpu,Postilimittype
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double precision term,term1,term2,term3,term4,term5,term6,
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&term7,term8,term9
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!
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if(Prioriknowlimit.eq.1.or.Prioriknowlimit.eq.2)then
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ntotsamples=0
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do i=1,nFixedPoints
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ntotsamples=ntotsamples+1
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Prioriphotolimit(ntotsamples)=Fixediphotolimit(i)
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enddo
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do j=1,numACicurves
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do i=1,nACiPoints(j)
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ntotsamples=ntotsamples+1
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Prioriphotolimit(ntotsamples)=ACiiphotolimit(i,j)
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enddo
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enddo
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do j=1,numALightcurves
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do i=1,nALightPoints(j)
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ntotsamples=ntotsamples+1
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Prioriphotolimit(ntotsamples)=ALightiphotolimit(i,j)
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enddo
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enddo
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do i=1,nFreePoints
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ntotsamples=ntotsamples+1
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Prioriphotolimit(ntotsamples)=Freeiphotolimit(i)
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enddo
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call ilimittypestats(ntotsamples,Prioriphotolimit,
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&Priorilimittype,Priornumrubis,Priornumrubp,Priornumtpu)
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if(bestilimittype.gt.0.and.Priorilimittype.ne.bestilimittype)
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&return
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!if bestilimittype is specified, we assume the fitting is constained to the limit type specified by bestilimittype
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if(Priorilimittype.ge.3)return
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!5, 6, 7 are done with Prioriknowlimit=0. We don't consider cases with only rubp and tpu limitations but no rubisco limitations
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if(Priornumrubis.gt.0.and.Priornumrubis.lt.minimumrubis)return
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if(Priornumrubp.gt.0.and.Priornumrubp.lt.minimumfj)return
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if(Priornumtpu.gt.0.and.Priornumtpu.lt.minimumvt)return
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do i=1,ntotsamples
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Currentiphotolimit(i)=Prioriphotolimit(i)
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enddo
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endif
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Currentilimittype=Priorilimittype
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Currentiknowlimit=Prioriknowlimit
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!
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!-------------Test Area---------------------------------------------
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! Currentilimittype=1
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! Currentiknowlimit=1
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! do i=1,ntotsamples
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! if(i.le.6)then
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! Currentiphotolimit(i)=1
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! else
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! if(i.ge.16.and.i.le.26)then
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! Currentiphotolimit(i)=2
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! else
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! Currentiphotolimit(i)=3
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! endif
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! endif
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! enddo
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!-------------------------------------------------------------------
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call DoUnivPhotoFit()
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if(Prioriknowlimit.ne.1.or.Priorilimittype.ge.5)goto 1000
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!---------------------------------------------------------
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!Enforce the admissibility rule.
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!first get the post-fit limit type of each point. (pco2i,anet_obs) should be replaced
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!by (pco2i_pred, anet_pred)
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do i=1,ntotsamples
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call leafunivphotosyn(Currentiknowlimit,Currentilimittype,
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&0,aPPFDlf(i),templeaf(i),pco2i_pred(i),po2i(i),chlflphips2(i),
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&term,weitresponses(i:i,1:1),weitresponses(i:i,1:1),
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&weitresponses(i:i,2:2),weitresponses(i:i,1:1),term1,term2,
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&Postiphotolimit(i),term3,term4,term5,term6,term7,term8,term9)
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enddo
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j=0
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do i=1,ntotsamples
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if(Postiphotolimit(i).ne.Currentiphotolimit(i))j=j+1
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enddo
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!if j = 0, the fitting is admissible so go to the wrapup
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if(j.eq.0)goto 1000
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call ilimittypestats(ntotsamples,Postiphotolimit,
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&Postilimittype,Postnumrubis,Postnumrubp,Postnumtpu)
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!if minimum number of points is not satisfied, go to penality fit directly.
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if(Postnumrubis.gt.0.and.Postnumrubis.lt.minimumrubis)goto 500
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if(Postnumrubp.gt.0.and.Postnumrubp.lt.minimumfj)goto 500
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if(Postnumtpu.gt.0.and.Postnumtpu.lt.minimumvt)goto 500
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!check to see if the fit oscillates.
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Currentilimittype=Postilimittype
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do i=1,ntotsamples
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Currentiphotolimit(i)=Postiphotolimit(i)
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enddo
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call DoUnivPhotoFit()
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do i=1,ntotsamples
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call leafunivphotosyn(Currentiknowlimit,Currentilimittype,
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&0,aPPFDlf(i),templeaf(i),pco2i_pred(i),po2i(i),chlflphips2(i),
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&term,weitresponses(i:i,1:1),weitresponses(i:i,1:1),
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&weitresponses(i:i,2:2),weitresponses(i:i,1:1),term1,term2,
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&Postiphotolimit(i),term3,term4,term5,term6,term7,term8,term9)
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enddo
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j=0
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do i=1,ntotsamples
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if(Postiphotolimit(i).ne.Prioriphotolimit(i))j=j+1
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enddo
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if(j.eq.0)then
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!Osicillation. Treat osicillating points as co-limited
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k=ntotsamples
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do i=1,ntotsamples
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if(Currentiphotolimit(i).ne.Prioriphotolimit(i))then
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k=k+1
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Currentiphotolimit(k)=Currentiphotolimit(i)
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aPPFDlf(k)=aPPFDlf(i)
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templeaf(k)=templeaf(i)
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po2i(k)=po2i(i)
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pco2i(k)=pco2i(i)
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anet_obs(k)=anet_obs(i)
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chlflphips2(k)=chlflphips2(i)
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Currentiphotolimit(i)=Prioriphotolimit(i)
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endif
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enddo
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call ilimittypestats(k,Currentiphotolimit,
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&Currentilimittype,Currentnumrubis,Currentnumrubp,Currentnumtpu)
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i=ntotsamples
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ntotsamples=k
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call DoUnivPhotoFit()
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sumsquare=sumsquare*dble(i)/dble(k)
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ntotsamples=i
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goto 1000
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else
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!no osicillation
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Currentilimittype=Priorilimittype
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do i=1,ntotsamples
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Currentiphotolimit(i)=Prioriphotolimit(i)
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enddo
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endif
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!-------------Penalty function fit-------------------------------------------
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500 Currentiknowlimit=2
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call DoUnivPhotoFit()
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!-------------Wrap up--------------------------------------------------------
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1000 if(Prioriknowlimit.eq.0.and.Priorilimittype.le.4)then
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call ilimittypestats(ntotsamples,Postiphotolimit,
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&Postilimittype,Postnumrubis,Postnumrubp,Postnumtpu)
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if(Postnumrubis.gt.0.and.Postnumrubis.lt.minimumrubis-1)
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&sumsquare=1.0d+10
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if(Postnumrubp.gt.0.and.Postnumrubp.lt.minimumfj-1)
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&sumsquare=1.0d+10
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if(Postnumtpu.gt.0.and.Postnumtpu.lt.minimumvt-1)
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&sumsquare=1.0d+10
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endif
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term=1.0d0+(subbestsumsquare(Priorilimittype)-sumsquare)
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if(term.gt.1.0d0)then
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subbestsumsquare(Priorilimittype)=sumsquare
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do i=1,ntotunivparams
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subbestunivparams(i,Priorilimittype)=univparams(i)
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enddo
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do i=1,ntotsamples
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if(Prioriknowlimit.eq.0)then
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subbestiphotolimit(i,Priorilimittype)=Postiphotolimit(i)
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else
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subbestiphotolimit(i,Priorilimittype)=Prioriphotolimit(i)
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endif
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enddo
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endif
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return
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end subroutine UnivPhotoFit
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!&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
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!&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
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subroutine DoUnivPhotoFit()
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implicit none
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include '../testarea/LeafGasParams.h'
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include '../testarea/LeafGasHybridFit.h'
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integer i,ndim,k,j,iderivative,iwrong,jnon
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double precision beta(20),sumsquare0,beta0(20),sumsquarecp,
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&betacp(20),ftol,xtol,shortx(maxobs,4),shorty(maxobs,2),ran2,
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&ftol_relax
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parameter(ftol=1.0d-7,xtol=1.0d-7)
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external funkmin_UnivPhotoFit,f1dim_UnivPhotoFit,
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&FCN_UnivPhotoFit,ff_pikaia
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!find out which parameters to optimize
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call UnivParamsAlloc(1)
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ndim=0
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do i=1,ntotunivparams
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univparams(i)=subbestunivparams(i,Currentilimittype)
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if(ifixunivparams(i).eq.1)then
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ndim=ndim+1
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beta(ndim)=univparams(i)
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betamin(ndim)=univparamsmin(i)
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betamax(ndim)=univparamsmax(i)
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endif
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enddo
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isitbounded=1
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call funkmin_UnivPhotoFit(ndim,beta,sumsquare)
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do i=1,ndim
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beta0(i)=beta(i)
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enddo
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sumsquare0=sumsquare
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ftol_relax=ftol
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k=0
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if(subbestsumsquare(Currentilimittype).gt.1.0d+9)then
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jnon=0
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ftol_relax=ftol*100.0d0
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endif
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30 call nongradopt(ndim,funkmin_UnivPhotoFit,f1dim_UnivPhotoFit,
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&beta,betamin,betamax,ftol_relax,sumsquare)
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call funkmin_UnivPhotoFit(ndim,beta,sumsquare)
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if((sumsquare+1.0d0).eq.sumsquare.or.sumsquare.gt.sumsquare0)then
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do i=1,ndim
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beta(i)=beta0(i)
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enddo
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sumsquare=sumsquare0
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else
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if((sumsquare0-sumsquare).gt.ftol_relax)then
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!reset the counter for arriving at a better minimum
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k=0
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else
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!if the same minimum is found, increment the counter
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k=k+1
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endif
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do i=1,ndim
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beta0(i)=beta(i)
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enddo
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sumsquare0=sumsquare
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endif
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if(subbestsumsquare(Currentilimittype).gt.1.0d+9)then
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jnon=jnon+1
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!for the first run, try different initial guesses
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if(jnon.lt.100.and.k.lt.5)then
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if(ran2().gt.0.7d0)then
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do i=1,ndim
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beta(i)=betamin(i)+ran2()*(betamax(i)-betamin(i))
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enddo
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else
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do i=1,ndim
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if(ran2().gt.0.5d0)then
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beta(i)=beta(i)+(ran2()**(3.0d0/dble(k+1)))*
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&(betamax(i)-beta(i))
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else
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beta(i)=beta(i)-(ran2()**(3.0d0/dble(k+1)))*
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&(beta(i)-betamin(i))
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endif
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enddo
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endif
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call funkmin_UnivPhotoFit(ndim,beta,sumsquare)
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goto 30
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else
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if((ftol_relax-ftol).gt.ftol)then
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ftol_relax=ftol
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goto 30
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endif
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endif
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call RepeatCompassSearch(ndim,beta,sumsquare,betamin,
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&betamax,funkmin_UnivPhotoFit,f1dim_UnivPhotoFit,xtol)
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call funkmin_UnivPhotoFit(ndim,beta,sumsquare)
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if((sumsquare+1.0d0).eq.sumsquare.or.sumsquare.gt.sumsquare0)
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&then
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do i=1,ndim
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beta(i)=beta0(i)
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enddo
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sumsquare=sumsquare0
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endif
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do i=1,ndim
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betacp(i)=(beta(i)-betamin(i))/(betamax(i)-betamin(i))
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enddo
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sumsquarecp=sumsquare
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isitbounded=0
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call pikaia(ff_pikaia,ndim,gacontrol,betacp,sumsquarecp,i)
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isitbounded=1
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if(i.eq.0)then
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do i=1,ndim
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betacp(i)=betamin(i)+betacp(i)*(betamax(i)-betamin(i))
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enddo
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call funkmin_UnivPhotoFit(ndim,betacp,sumsquarecp)
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else
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do i=1,ndim
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betacp(i)=beta(i)
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enddo
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sumsquarecp=sumsquare
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endif
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if((sumsquarecp+1.0d0).ne.sumsquarecp.and.
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&sumsquare.gt.sumsquarecp)then
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do i=1,ndim
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beta(i)=betacp(i)
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enddo
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sumsquare=sumsquarecp
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endif
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do i=1,ndim
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beta0(i)=beta(i)
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enddo
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sumsquare0=sumsquare
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else
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return
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endif
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iderivative=0
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if(ifitmode.lt.0)then
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iwrong=0
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else
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iwrong=1
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endif
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isitbounded=1
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k=ifitmode
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ifitmode=-1
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!ifitmode: =-2, ordinary fitting with pco2i calculated as a function of anet
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!ifitmode: =-1, ordinary fitting with anet calculated as a function of pco2i
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!ifitmode: =1, orthogonal fitting with anet calculated as a function of pco2i
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!ifitmode: =2, orthogonal fitting with pco2i calculated as a function of anet
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!for odr_leastsquare, only the predicted value of the response variable is needed, i.e., the cost function value is not needed.
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!also, only anet as a function of CO2i is considered (not the other way around) because odr_leastsquare cannot handle the situation
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!co2i as a function of anet for tpu limitation when alpha=0
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i=1
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if(ntotphips2.ge.1)i=2
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j=4
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if(Currentiknowlimit.eq.-1)then
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!fluorescence only fit. chlflphisi2 becomes a forcing variable
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i=1
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j=5
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endif
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call odr_leastsquare(ndim,FCN_UnivPhotoFit,beta,ntotsamples,
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&forcings(1:ntotsamples,1:j),j,responses(1:ntotsamples,1:i),i,
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&weitforcings(1:ntotsamples,1:j),weitresponses(1:ntotsamples,1:i),
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&iderivative,shortx(1:ntotsamples,1:j),shorty(1:ntotsamples,1:i),
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&sumsquare,iwrong)
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isitbounded=1
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ifitmode=k
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!after odr_leastsquare, forcing variables are destroyed. restore to the origninals
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do i=1,ntotsamples
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pco2i(i)=pco2i_ori(i)
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aPPFDlf(i)=aPPFDlf_ori(i)
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templeaf(i)=templeaf_ori(i)
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po2i(i)=po2i_ori(i)
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chlflphips2(i)=chlflphips2_ori(i)
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enddo
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call funkmin_UnivPhotoFit(ndim,beta,sumsquare)
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if((sumsquare+1.0d0).eq.sumsquare.or.sumsquare.gt.sumsquare0)then
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do i=1,ndim
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beta(i)=beta0(i)
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enddo
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sumsquare=sumsquare0
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endif
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k=0
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do i=1,ndim
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if(beta(i).lt.betamin(i))k=1
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if(beta(i).gt.betamax(i))k=1
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enddo
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if(k.eq.1)then
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do i=1,ndim
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betacp(i)=(beta(i)-betamin(i))/(betamax(i)-betamin(i))
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enddo
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isitbounded=0
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call pikaia(ff_pikaia,ndim,gacontrol,betacp,sumsquare,i)
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do i=1,ndim
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beta(i)=betamin(i)+betacp(i)*(betamax(i)-betamin(i))
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enddo
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isitbounded=1
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call funkmin_UnivPhotoFit(ndim,beta,sumsquare)
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endif
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j=0
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100 jnon=0
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105 sumsquare0=sumsquare
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do i=1,ndim
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beta0(i)=beta(i)
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enddo
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call nongradopt(ndim,funkmin_UnivPhotoFit,f1dim_UnivPhotoFit,
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&beta,betamin,betamax,ftol,sumsquare)
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call funkmin_UnivPhotoFit(ndim,beta,sumsquare)
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if(jnon.le.2.and.(sumsquare0-sumsquare).gt.ftol)then
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jnon=jnon+1
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goto 105
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endif
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if(sumsquare.eq.sumsquare0)goto 110
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if(dabs(sumsquare).le.dabs(sumsquare0))then
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else
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if(dabs(sumsquare).gt.1.0d+20)then
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!in case of infinity (division by zero)
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do i=1,ndim
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beta(i)=beta0(i)
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enddo
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sumsquare=sumsquare0
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else
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!designed this way to avoid sumsquare='NAN'
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do i=1,ndim
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beta(i)=beta0(i)
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enddo
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sumsquare=sumsquare0
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endif
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endif
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sumsquarecp=sumsquare
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do i=1,ndim
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betacp(i)=beta(i)
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enddo
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call RepeatCompassSearch(ndim,betacp,sumsquarecp,betamin,
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&betamax,funkmin_UnivPhotoFit,f1dim_UnivPhotoFit,xtol)
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call funkmin_UnivPhotoFit(ndim,betacp,sumsquarecp)
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if(sumsquare.eq.sumsquarecp)goto 110
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if(dabs(sumsquarecp).lt.dabs(sumsquare))then
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do i=1,ndim
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beta(i)=betacp(i)
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enddo
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sumsquare=sumsquarecp
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endif
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j=j+1
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if(j.le.2.and.dabs(sumsquare-sumsquare0).gt.ftol)goto 100
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!
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!------------------------------------------------------
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110 call funkmin_UnivPhotoFit(ndim,beta,sumsquare)
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return
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END subroutine DoUnivPhotoFit
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