70 lines
2.2 KiB
FortranFixed
70 lines
2.2 KiB
FortranFixed
!&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
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subroutine stomoptimization(npoints,ioption,pco2s0,rehulfsurf0,
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&gammas0,yAnet0,gswmeas0,stomintercept,stomslope,pvapordef_s0,
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&rayDzero)
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implicit none
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include '../testarea/stomoptim.h'
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c
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integer npoints,ioption
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double precision pco2s0(npoints),rehulfsurf0(npoints),
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&gammas0(npoints),yAnet0(npoints),gswmeas0(npoints),
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&pvapordef_s0(npoints),stomintercept,stomslope,rayDzero
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integer i,ndim
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double precision beta(10),fatbeta,ftol,f1dim_stom
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parameter(ftol=1.0d-7)
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external funkmin_stom,f1dim_stom
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istommodel=ioption
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nobs = npoints
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do i=1,npoints
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pco2s(i)=pco2s0(i)
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rehulfsurf(i)=rehulfsurf0(i)
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gammas(i)=gammas0(i)
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assim_net(i)=yAnet0(i)
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gswmeas(i)=gswmeas0(i)
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pvapordef_s(i)=pvapordef_s0(i)
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enddo
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ndim=2
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beta(1)=stomintercept
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bmin(1)=0.0d0
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bmax(1)=1.0d+7
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if(stomintercept.lt.bmin(1).or.stomintercept.gt.bmax(1))
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&beta(1)=0.001d0
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beta(2)=stomslope
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bmin(2)=0.0d0
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bmax(2)=1.0d+8
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if(stomslope.lt.bmin(2).or.stomslope.gt.bmax(2))
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&beta(2)=10.0d0
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if(istommodel.eq.1.or.istommodel.eq.3)then
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ndim=2
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endif
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if(istommodel.eq.2.or.istommodel.eq.4)then
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ndim=3
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beta(3)=rayDzero
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bmin(3)=0.00001d0
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bmax(3)=1.0d+8
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if(rayDzero.lt.bmin(3).or.rayDzero.gt.bmax(3))
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&beta(3)=2000.0d0
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endif
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!
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! Initialize the cost function evaluation counter in the subroutine funkmin.
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! The counter counts and memorizes points where the cost function is evaluated.
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call funkmin_stom(ndim,beta,fatbeta)
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call nongradopt(ndim,funkmin_stom,f1dim_stom,beta,
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& bmin,bmax,ftol,fatbeta)
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call RepeatCompassSearch(ndim,beta,fatbeta,bmin,
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& bmax,funkmin_stom,f1dim_stom,ftol)
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! Replace these parameters with their optimized values
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stomintercept=beta(1)
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stomslope=beta(2)
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if(istommodel.eq.2.or.istommodel.eq.4)rayDzero=beta(3)
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return
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END subroutine stomoptimization
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c
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!$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
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