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michaesp |
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PROGRAM difference
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c **************************************************************************
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c * Get the difference between two runs *
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c * Michael Sprenger / Autumn 2006 *
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c **************************************************************************
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implicit none
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c --------------------------------------------------------------------------
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c Declaration of subroutine parameters
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c --------------------------------------------------------------------------
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c Physical and numerical parameters
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real eps
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parameter (eps=0.01)
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integer nmax
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parameter (nmax=300*300*200)
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c Variables for input file 1
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character*80 i1_filename
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real i1_varmin(4),i1_varmax(4),i1_stag(4)
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integer i1_vardim(4)
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real i1_mdv
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integer i1_ndim
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integer i1_nx,i1_ny,i1_nz
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real i1_time
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integer i1_nvars
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character*80 i1_vnam(100)
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real i1_field(nmax)
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c Variables for input file 2
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character*80 i2_filename
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real i2_varmin(4),i2_varmax(4),i2_stag(4)
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integer i2_vardim(4)
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real i2_mdv
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integer i2_ndim
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integer i2_nx,i2_ny,i2_nz
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real i2_time
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integer i2_nvars
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character*80 i2_vnam(100)
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real i2_field(nmax)
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c Variables for output file
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character*80 o_filename
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real o_varmin(4),o_varmax(4),o_stag(4)
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integer o_vardim(4)
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real o_mdv
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integer o_ndim
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integer o_nx,o_ny,o_nz
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real o_time
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real o_field(nmax)
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c Auxiliary variables
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integer i,j,k
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integer cdfid,ierr
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integer isok
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character*80 cfn,varname
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c --------------------------------------------------------------------------------
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c Input
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c --------------------------------------------------------------------------------
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print*,'********************************************************'
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print*,'* DIFFERENCE *'
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print*,'********************************************************'
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c Read parameter file
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open(10,file='fort.10')
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read(10,*) i1_filename
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read(10,*) i2_filename
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read(10,*) o_filename
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close(10)
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print*
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print*,trim(i1_filename)
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print*,trim(i2_filename)
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print*,trim(o_filename)
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print*
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c Get a list of all variables on the two input files
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call cdfopn(i1_filename,cdfid,ierr)
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if (ierr.ne.0) goto 998
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call getvars(cdfid,i1_nvars,i1_vnam,ierr)
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if (ierr.ne.0) goto 998
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call getdef(cdfid,i1_vnam(i1_nvars),i1_ndim,i1_mdv,i1_vardim,
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> i1_varmin,i1_varmax,i1_stag,ierr)
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call clscdf(cdfid,ierr)
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print*,(trim(i1_vnam(i))//' ',i=1,i1_nvars)
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call cdfopn(i2_filename,cdfid,ierr)
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if (ierr.ne.0) goto 997
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call getvars(cdfid,i2_nvars,i2_vnam,ierr)
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if (ierr.ne.0) goto 997
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call clscdf(cdfid,ierr)
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print*,(trim(i2_vnam(i))//' ',i=1,i2_nvars)
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print*
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c Create the output file
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o_ndim=i1_ndim
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do i=1,i1_ndim
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o_varmin(i)=i1_varmin(i)
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o_varmax(i)=i1_varmax(i)
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enddo
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cfn=trim(o_filename)//'_cst'
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call crecdf(trim(o_filename),cdfid,o_varmin,o_varmax,
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> o_ndim,trim(cfn),ierr)
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if (ierr.ne.0) goto 996
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call clscdf(cdfid,ierr)
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c --------------------------------------------------------------------------------
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c Loop through all variables
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c --------------------------------------------------------------------------------
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do i=1,i1_nvars
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c Check wether the variable is available on both files
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varname=i1_vnam(i)
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if (varname.eq.'time') goto 100
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isok=0
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call check_varok (isok,varname,i2_vnam,i2_nvars)
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if (isok.eq.0) goto 100
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c Read first input file
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call cdfopn(i1_filename,cdfid,ierr)
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if (ierr.ne.0) goto 998
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call getdef(cdfid,varname,i1_ndim,i1_mdv,i1_vardim,
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> i1_varmin,i1_varmax,i1_stag,ierr)
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if (ierr.ne.0) goto 998
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call getdat(cdfid,varname,0.,0,i1_field,ierr)
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if (ierr.ne.0) goto 998
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call clscdf(cdfid,ierr)
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c Read second input file
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call cdfopn(i2_filename,cdfid,ierr)
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if (ierr.ne.0) goto 998
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call getdef(cdfid,varname,i2_ndim,i2_mdv,i2_vardim,
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> i2_varmin,i2_varmax,i2_stag,ierr)
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if (ierr.ne.0) goto 998
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call getdat(cdfid,varname,0.,0,i2_field,ierr)
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if (ierr.ne.0) goto 998
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call clscdf(cdfid,ierr)
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c Consistency check
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if (i1_ndim.ne.i2_ndim) then
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print*,'Inconsistent input files... Stop',i1_ndim,i2_ndim
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stop
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endif
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do j=1,3
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if ( (i1_vardim(j).ne.i2_vardim(j)).or.
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> (abs(i1_varmin(j)-i2_varmin(j)).gt.eps).or.
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> (abs(i1_varmax(j)-i2_varmax(j)).gt.eps).or.
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> (abs(i1_stag(j)-i2_stag(j)).gt.eps)) then
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print*,'Inconsistent input files... Stop'
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print*,j,i1_varmin(j),i2_varmin(j)
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print*,j,i1_varmax(j),i2_varmax(j)
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print*,j,i1_vardim(j),i2_vardim(j)
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print*,j,i1_stag(j), i2_stag(j)
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stop
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endif
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enddo
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c Get the difference
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do j=1,i1_vardim(1)*i1_vardim(2)*i1_vardim(3)
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if ( (abs(i1_field(j)-i1_mdv).gt.eps).and.
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> (abs(i2_field(j)-i2_mdv).gt.eps) ) then
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o_field(j)=i1_field(j)-i2_field(j)
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else
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o_field(j)=i1_mdv
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endif
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enddo
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c Write to output file
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o_ndim=i1_ndim
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o_mdv =i1_mdv
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do j=1,i1_ndim
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o_vardim(j)=i1_vardim(j)
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o_varmin(j)=i1_varmin(j)
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o_varmax(j)=i1_varmax(j)
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o_stag(j) =i1_stag(j)
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enddo
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call cdfwopn(o_filename,cdfid,ierr)
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if (ierr.ne.0) goto 996
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call putdef(cdfid,varname,o_ndim,o_mdv,o_vardim,
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> o_varmin,o_varmax,o_stag,ierr)
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if (ierr.ne.0) goto 996
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call putdat(cdfid,varname,0.,0,o_field,ierr)
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if (ierr.ne.0) goto 996
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print*,'W ',trim(varname),' ',trim(o_filename)
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call clscdf(cdfid,ierr)
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if (ierr.ne.0) goto 996
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c Next
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100 continue
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enddo
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c -----------------------------------------------------------------
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c Exception handling and format specs
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c -----------------------------------------------------------------
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stop
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998 print*,'Problems with input file 1 ',trim(i1_filename)
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stop
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997 print*,'Problems with input file 2 ',trim(i2_filename)
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stop
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996 print*,'Problems with output file ',trim(o_filename)
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stop
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end
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c --------------------------------------------------------------------------------
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c Check whether variable is found on netcdf file
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c --------------------------------------------------------------------------------
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subroutine check_varok (isok,varname,varlist,nvars)
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c Check whether the variable <varname> is in the list <varlist(nvars)>. If this is
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C the case, <isok> is incremented by 1. Otherwise <isok> keeps its value.
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implicit none
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c Declaraion of subroutine parameters
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integer isok
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integer nvars
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character*80 varname
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character*80 varlist(nvars)
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c Auxiliary variables
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integer i
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c Main
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do i=1,nvars
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if (trim(varname).eq.trim(varlist(i))) isok=isok+1
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enddo
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end
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