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module histwrite_real_m |
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implicit none |
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contains |
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SUBROUTINE histwrite_real(fileid, varid, itau, nbdpt, buff_tmp, nbindex, & |
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nindex, do_oper, do_write) |
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! This subroutine is internal and does the calculations and writing |
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! if needed. At a later stage it should be split into an operation |
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! and writing subroutines. |
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USE histcom_var, ONLY: buffer, buff_pos, datasz_max, deltat, & |
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last_opp, last_wrt, missing_val, nbopp, nb_opp, nb_wrt, ncdf_ids, & |
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ncvar_ids, point, regular, scal, scsize, sopps, tax_last, tdimid, & |
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topp, var_axid, zorig, zsize |
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USE mathelp, ONLY: trans_buff, moycum |
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USE mathop_m, ONLY: mathop |
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use netcdf, only: NF90_PUT_VAR |
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INTEGER, INTENT(IN):: fileid, varid, itau, nbdpt |
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REAL buff_tmp(:) |
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INTEGER, INTENT(IN):: nbindex |
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! number of indices provided |
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! If it is equal to the size of the full field as provided in histdef |
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! then nothing is done. |
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INTEGER, INTENT(IN):: nindex(nbindex) |
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! The indices used to expand the variable (pdata) onto the full field |
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LOGICAL, INTENT(IN):: do_oper, do_write |
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! Local: |
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INTEGER:: tsz, ncid, ncvarid |
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INTEGER:: i, iret, ipt, itax |
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INTEGER:: io, nbin, nbout |
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INTEGER, DIMENSION(4):: corner, edges |
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INTEGER:: itime |
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REAL:: rtime |
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CHARACTER(LEN=7):: tmp_opp |
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REAL, ALLOCATABLE, SAVE:: buff_tmp2(:) |
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INTEGER, SAVE:: buff_tmp2_sz |
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REAL, ALLOCATABLE, SAVE:: buffer_used(:) |
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INTEGER, SAVE:: buffer_sz |
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!-------------------------------------------------------------------- |
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! The sizes which can be encoutered |
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tsz = zsize(fileid, varid, 1) * zsize(fileid, varid, 2) & |
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* zsize(fileid, varid, 3) |
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! 1.0 We allocate the memory needed to store the data between write |
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! and the temporary space needed for operations. |
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! We have to keep precedent buffer if needed |
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IF (.NOT. ALLOCATED(buffer)) THEN |
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ALLOCATE(buffer(buff_pos)) |
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buffer_sz = buff_pos |
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buffer(:)=0.0 |
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ELSE IF (buffer_sz < buff_pos) THEN |
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IF (SUM(buffer)/=0.0) THEN |
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ALLOCATE(buffer_used(buffer_sz)) |
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buffer_used(:)=buffer(:) |
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DEALLOCATE(buffer) |
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ALLOCATE(buffer(buff_pos)) |
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buffer_sz = buff_pos |
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buffer(:SIZE(buffer_used))=buffer_used |
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DEALLOCATE(buffer_used) |
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ELSE |
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DEALLOCATE(buffer) |
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ALLOCATE(buffer(buff_pos)) |
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buffer_sz = buff_pos |
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buffer(:)=0.0 |
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ENDIF |
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ENDIF |
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! The buffers are only deallocated when more space is needed. This |
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! reduces the umber of allocates but increases memory needs. |
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IF (.NOT.ALLOCATED(buff_tmp2)) THEN |
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ALLOCATE(buff_tmp2(datasz_max(fileid, varid))) |
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buff_tmp2_sz = datasz_max(fileid, varid) |
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ELSE IF (datasz_max(fileid, varid) > buff_tmp2_sz) THEN |
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DEALLOCATE(buff_tmp2) |
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ALLOCATE(buff_tmp2(datasz_max(fileid, varid))) |
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buff_tmp2_sz = datasz_max(fileid, varid) |
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ENDIF |
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rtime = itau * deltat(fileid) |
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tmp_opp = topp(fileid, varid) |
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! 3.0 Do the operations or transfer the slab of data into buff_tmp |
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! 3.1 DO the Operations only if needed |
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IF (do_oper) THEN |
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i = fileid |
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nbout = nbdpt |
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! 3.4 We continue the sequence of operations |
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! we started in the interface routine |
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DO io = 2, nbopp(i, varid), 2 |
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nbin = nbout |
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nbout = datasz_max(i, varid) |
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CALL mathop(sopps(i, varid, io), nbin, buff_tmp, missing_val, & |
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nbindex, nindex, scal(i, varid, io), nbout, buff_tmp2) |
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nbin = nbout |
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nbout = datasz_max(i, varid) |
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CALL mathop(sopps(i, varid, io+1), nbin, buff_tmp2, missing_val, & |
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nbindex, nindex, scal(i, varid, io+1), nbout, buff_tmp) |
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ENDDO |
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! 3.5 Zoom into the data |
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CALL trans_buff(zorig(i, varid, 1), zsize(i, varid, 1), & |
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zorig(i, varid, 2), zsize(i, varid, 2), zorig(i, varid, 3), & |
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zsize(i, varid, 3), scsize(i, varid, 1), scsize(i, varid, 2), & |
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scsize(i, varid, 3), buff_tmp, buff_tmp2_sz, buff_tmp2) |
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! 5.0 Do the operations if needed. In the case of instantaneous |
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! output we do not transfer to the buffer. |
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ipt = point(fileid, varid) |
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IF ((TRIM(tmp_opp) /= "inst") & |
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.AND.(TRIM(tmp_opp) /= "once")) THEN |
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CALL moycum(tmp_opp, tsz, buffer(ipt:), & |
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buff_tmp2, nb_opp(fileid, varid)) |
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ENDIF |
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last_opp(fileid, varid) = itau |
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nb_opp(fileid, varid) = nb_opp(fileid, varid)+1 |
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ENDIF |
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! 6.0 Write to file if needed |
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IF (do_write) THEN |
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ncvarid = ncvar_ids(fileid, varid) |
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ncid = ncdf_ids(fileid) |
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! 6.1 Do the operations that are needed before writting |
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IF ((TRIM(tmp_opp) /= "inst") .AND. (TRIM(tmp_opp) /= "once")) THEN |
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rtime = (rtime + last_wrt(fileid, varid)*deltat(fileid)) / 2. |
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ENDIF |
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! 6.2 Add a value to the time axis of this variable if needed |
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IF (TRIM(tmp_opp) /= "l_max" .AND. TRIM(tmp_opp) /= "l_min" & |
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.AND. TRIM(tmp_opp) /= "once") THEN |
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itax = var_axid(fileid, varid) |
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itime = nb_wrt(fileid, varid) + 1 |
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IF (tax_last(fileid, itax) < itime) THEN |
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iret = NF90_PUT_VAR(ncid, tdimid(fileid, itax), (/rtime/), & |
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start=(/itime/)) |
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tax_last(fileid, itax) = itime |
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ENDIF |
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ELSE |
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itime=1 |
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ENDIF |
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! 6.3 Write the data. Only in the case of instantaneous output |
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! we do not write the buffer. |
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IF (scsize(fileid, varid, 3) == 1) THEN |
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IF (regular(fileid)) THEN |
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corner(1:4) = (/1, 1, itime, 0/) |
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edges(1:4) = (/zsize(fileid, varid, 1), & |
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zsize(fileid, varid, 2), & |
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1, 0/) |
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ELSE |
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corner(1:4) = (/1, itime, 0, 0/) |
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edges(1:4) = (/zsize(fileid, varid, 1), 1, 0, 0/) |
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ENDIF |
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ELSE |
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IF (regular(fileid)) THEN |
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corner(1:4) = (/1, 1, 1, itime/) |
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edges(1:4) = (/zsize(fileid, varid, 1), & |
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zsize(fileid, varid, 2), & |
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zsize(fileid, varid, 3), 1/) |
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ELSE |
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corner(1:4) = (/1, 1, itime, 0/) |
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edges(1:4) = (/zsize(fileid, varid, 1), & |
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zsize(fileid, varid, 3), 1, 0/) |
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ENDIF |
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ENDIF |
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ipt = point(fileid, varid) |
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IF ((TRIM(tmp_opp) /= "inst") .AND. (TRIM(tmp_opp) /= "once")) THEN |
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iret = NF90_PUT_VAR(ncid, ncvarid, buffer(ipt:), & |
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start=corner(1:4), count=edges(1:4)) |
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ELSE |
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iret = NF90_PUT_VAR(ncid, ncvarid, buff_tmp2, & |
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start=corner(1:4), count=edges(1:4)) |
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ENDIF |
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last_wrt(fileid, varid) = itau |
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nb_wrt(fileid, varid) = nb_wrt(fileid, varid)+1 |
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nb_opp(fileid, varid) = 0 |
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ENDIF |
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END SUBROUTINE histwrite_real |
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end module histwrite_real_m |