[1765] | 1 | module nf95_inquire_variable_m |
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| 2 | |
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| 3 | implicit none |
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| 4 | |
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| 5 | contains |
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| 6 | |
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| 7 | subroutine nf95_inquire_variable(ncid, varid, name, xtype, ndims, dimids, & |
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| 8 | nAtts, ncerr) |
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| 9 | |
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| 10 | ! In "nf90_inquire_variable", "dimids" is an assumed-size array. |
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| 11 | ! This is not optimal. |
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| 12 | ! We are in the classical case of an array the size of which is |
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| 13 | ! unknown in the calling procedure, before the call. |
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| 14 | ! Here we use a better solution: a pointer argument array. |
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| 15 | ! This procedure associates and defines "dimids" if it is present. |
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| 16 | |
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| 17 | use handle_err_m, only: handle_err |
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| 18 | use netcdf, only: nf90_inquire_variable, nf90_max_var_dims |
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| 19 | |
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| 20 | integer, intent(in):: ncid, varid |
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| 21 | character(len = *), optional, intent(out):: name |
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| 22 | integer, optional, intent(out) :: xtype, ndims |
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| 23 | integer, dimension(:), optional, pointer :: dimids |
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| 24 | integer, optional, intent(out) :: nAtts |
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| 25 | integer, intent(out), optional :: ncerr |
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| 26 | |
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| 27 | ! Variable local to the procedure: |
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| 28 | integer ncerr_not_opt |
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| 29 | integer dimids_local(nf90_max_var_dims) |
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| 30 | integer ndims_not_opt |
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| 31 | |
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| 32 | !------------------- |
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| 33 | |
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| 34 | if (present(dimids)) then |
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| 35 | ncerr_not_opt = nf90_inquire_variable(ncid, varid, name, xtype, & |
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| 36 | ndims_not_opt, dimids_local, nAtts) |
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| 37 | allocate(dimids(ndims_not_opt)) ! also works if ndims_not_opt == 0 |
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| 38 | dimids = dimids_local(:ndims_not_opt) |
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| 39 | if (present(ndims)) ndims = ndims_not_opt |
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| 40 | else |
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| 41 | ncerr_not_opt = nf90_inquire_variable(ncid, varid, name, xtype, ndims, & |
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| 42 | nAtts=nAtts) |
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| 43 | end if |
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| 44 | |
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| 45 | if (present(ncerr)) then |
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| 46 | ncerr = ncerr_not_opt |
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| 47 | else |
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| 48 | call handle_err("nf95_inquire_variable", ncerr_not_opt, ncid, varid) |
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| 49 | end if |
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| 50 | |
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| 51 | end subroutine nf95_inquire_variable |
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| 52 | |
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| 53 | end module nf95_inquire_variable_m |
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