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C $Header: /u/gcmpack/MITgcm_contrib/mlosch/optim_m1qn3/testbed/driver.F,v 1.1 2012/05/02 12:27:42 mlosch Exp $ |
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C $Name: $ |
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program driver |
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implicit none |
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integer i,k |
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integer iiter, maxiter |
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parameter (maxiter = 10) |
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logical testrestart |
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|
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c parameters to be used in m1qn3 |
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integer reverse |
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integer n |
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parameter (n = 7) |
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integer impres,io,imode(3),omode,niter,nsim,iz(5),indic |
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double precision x(n),f,g(n),dxmin,df1,epsg |
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character*3 normtype |
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c work arraydz |
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integer ndz, mupdate |
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parameter (mupdate = 7) |
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parameter (ndz=3*n + mupdate*(2*n + 1)) |
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double precision dz(ndz) |
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c extra dummy variables |
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character*(80) fmt |
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integer nn |
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parameter (nn = 1) |
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integer izs(nn) |
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real rzs(nn) |
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double precision dzs(nn) |
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|
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external simul_rc,euclid,ctonbe,ctcabe |
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|
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c initialization |
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testrestart=.false. |
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normtype = 'two' |
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f = 0. |
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dxmin = 1.d-6 |
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df1 = 10. |
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epsg = 1.d-8 |
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impres = 6 |
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io=99 |
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c diagonal scaling mode |
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imode(1) = 0 |
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c cold start |
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imode(2) = 0 |
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c call simul with indic=1 every imode(3)th iteration |
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imode(3) = 0 |
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omode=1 |
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reverse=1 |
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niter = 1000 |
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nsim = 1000 |
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do i=1,5 |
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iz(i)=0 |
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enddo |
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indic=4 |
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do i=1,n |
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x(i) = 0. |
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g(i) = 0. |
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enddo |
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do i=1,nn |
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izs(i)=0 |
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rzs(i)=0. |
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dzs(i)=0. |
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enddo |
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dzs(1) = 100. |
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open(io,file='output_m1qn3_driver.txt',status='unknown') |
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c first guess of x,f,g (izs=-1) |
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call mysimul(indic,n,f,x,g,-1,rzs,dzs) |
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print *, 'ml-driver x = ', (x(i),i=1,n) |
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print *, 'ml-driver f = ', f |
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print *, 'ml-driver g = ', (g(i),i=1,n) |
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df1 = f*0.1 |
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iiter = 0 |
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if ( testrestart ) then |
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niter=1 |
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do iiter=1,niter |
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|
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call m1qn3 (simul_rc,euclid,ctonbe,ctcabe,n,x,f,g,dxmin,df1, |
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& epsg,normtype,impres,io,imode,omode,niter,nsim, |
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& iz,dz,ndz,reverse,indic,izs,rzs,dzs) |
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write(fmt,'(A,I4,A)') '(A,I4,I8,',n,'E12.4)' |
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write(*,fmt) 'ml-driver iter = ',iiter,reverse, (1.-x(i),i=1,n) |
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call mysimul(indic,n,f,x,g,izs,rzs,dzs) |
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write(fmt,'(A,I4,A)') '(A,',n+1,'E12.4)' |
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write(*,fmt) 'ml-driver f = ', f, (g(i),i=1,n) |
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c print *, 'ml-driver: niter = ', niter, nsim |
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if ( reverse .lt. 0 ) goto 100 |
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|
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enddo |
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100 continue |
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reverse = 1 |
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imode(2)=1 |
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niter = 2 |
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nsim=5000 |
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iiter=iiter-1 |
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endif |
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c |
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do while ( reverse.eq.1 ) |
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iiter=iiter+1 |
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call m1qn3 (simul_rc,euclid,ctonbe,ctcabe,n,x,f,g,dxmin,df1, |
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& epsg,normtype,impres,io,imode,omode,niter,nsim, |
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& iz,dz,ndz,reverse,indic,izs,rzs,dzs) |
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write(fmt,'(A,I4,A)') '(A,I4,I8,',n,'E12.4)' |
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write(*,fmt) 'ml-driver iter = ',iiter,reverse, (1.-x(i),i=1,n) |
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call mysimul(indic,n,f,x,g,izs,rzs,dzs) |
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write(fmt,'(A,I4,A)') '(A,',n+1,'E12.4)' |
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write(*,fmt) 'ml-driver f = ', f, (g(i),i=1,n) |
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c print *, 'ml-driver niter =', niter, nsim |
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enddo |
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close(io) |
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|
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print *, 'ml-driver: niter = ',niter |
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print *, 'ml-driver: nsim = ',nsim |
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print *, 'ml-driver: omode = ',omode |
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|
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stop 'NORMAL END' |
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end |
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