1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
! This is part of the netCDF package.
! Copyright 2006 University Corporation for Atmospheric Research/Unidata.
! See COPYRIGHT file for conditions of use.
! This program tests netCDF-4 variable functions from fortran.
! $Id: f90tst_vars3.f90,v 1.1 2010/01/25 21:54:51 ed Exp $
program f90tst_vars3
use typeSizes
use netcdf
implicit none
! This is the name of the data file we will create.
character (len = *), parameter :: FILE_NAME = "f90tst_vars3.nc"
! We are writing 2D data, a 6 x 12 grid.
integer, parameter :: MAX_DIMS = 2
integer, parameter :: NX = 6, NY = 12
integer :: data_out(NY, NX), data_in(NY, NX)
integer :: data_out_1d(NX), data_in_1d(NX)
! We need these ids and other gunk for netcdf.
integer :: ncid, varid1, varid2, varid3, varid4, varid5, dimids(MAX_DIMS)
integer :: chunksizes(MAX_DIMS), chunksizes_in(MAX_DIMS)
integer :: x_dimid, y_dimid
integer :: nvars, ngatts, ndims, unlimdimid, file_format
integer :: x, y
integer, parameter :: DEFAULT_CACHE_NELEMS = 10000, DEFAULT_CACHE_SIZE = 1000000
integer, parameter :: DEFAULT_CACHE_PREEMPTION = 22
integer, parameter :: DEFLATE_LEVEL = 4
integer (kind = EightByteInt), parameter :: TOE_SAN_VALUE = 2147483648_EightByteInt
character (len = *), parameter :: VAR1_NAME = "Chon-Ji"
character (len = *), parameter :: VAR2_NAME = "Tan-Gun"
character (len = *), parameter :: VAR3_NAME = "Toe-San"
character (len = *), parameter :: VAR4_NAME = "Won-Hyo"
character (len = *), parameter :: VAR5_NAME = "Yul-Guk"
integer, parameter :: CACHE_SIZE = 8, CACHE_NELEMS = 571, CACHE_PREEMPTION = 66
! Information read back from the file to check correctness.
integer :: varid1_in, varid2_in, varid3_in, varid4_in, varid5_in
integer :: xtype_in, ndims_in, natts_in, dimids_in(MAX_DIMS)
character (len = nf90_max_name) :: name_in
integer :: endianness_in, deflate_level_in
logical :: shuffle_in, fletcher32_in, contiguous_in
integer (kind = EightByteInt) :: toe_san_in
integer :: cache_size_in, cache_nelems_in, cache_preemption_in
print *, ''
print *,'*** Testing definition of netCDF-4 vars from Fortran 90.'
! Create some pretend data.
do x = 1, NX
do y = 1, NY
data_out(y, x) = (x - 1) * NY + (y - 1)
end do
end do
do x = 1, NX
data_out_1d(x) = x
end do
! Create the netCDF file.
call check(nf90_create(FILE_NAME, nf90_netcdf4, ncid, cache_nelems = DEFAULT_CACHE_NELEMS, &
cache_size = DEFAULT_CACHE_SIZE, cache_preemption = DEFAULT_CACHE_PREEMPTION))
! Define the dimensions.
call check(nf90_def_dim(ncid, "x", NX, x_dimid))
call check(nf90_def_dim(ncid, "y", NY, y_dimid))
dimids = (/ y_dimid, x_dimid /)
! Define some variables.
chunksizes = (/ NY, NX /)
call check(nf90_def_var(ncid, VAR1_NAME, NF90_INT, dimids, varid1, chunksizes = chunksizes, &
shuffle = .TRUE., fletcher32 = .TRUE., endianness = nf90_endian_big, deflate_level = DEFLATE_LEVEL))
call check(nf90_def_var(ncid, VAR2_NAME, NF90_INT, dimids, varid2, contiguous = .TRUE.))
call check(nf90_def_var(ncid, VAR3_NAME, NF90_INT64, varid3))
call check(nf90_def_var(ncid, VAR4_NAME, NF90_INT, x_dimid, varid4, contiguous = .TRUE.))
call check(nf90_def_var(ncid, VAR5_NAME, NF90_INT, dimids, varid5, chunksizes = chunksizes, &
deflate_level = DEFLATE_LEVEL, cache_size = CACHE_SIZE, cache_nelems = CACHE_NELEMS, &
cache_preemption = CACHE_PREEMPTION))
call check(nf90_inquire_variable(ncid, varid1, cache_size = cache_size_in, &
cache_nelems = cache_nelems_in, cache_preemption = cache_preemption_in))
! if (cache_size_in .ne. DEFAULT_CACHE_SIZE .or. cache_nelems_in .ne. &
! DEFAULT_CACHE_NELEMS .or. cache_preemption_in .ne. DEFAULT_CACHE_PREEMPTION) stop 101
call check(nf90_inquire_variable(ncid, varid5, cache_size = cache_size_in, &
cache_nelems = cache_nelems_in, cache_preemption = cache_preemption_in))
if (cache_size_in .ne. CACHE_SIZE .or. cache_nelems_in .ne. &
CACHE_NELEMS .or. cache_preemption_in .ne. CACHE_PREEMPTION) stop 1
! Write the pretend data to the file.
call check(nf90_put_var(ncid, varid1, data_out))
call check(nf90_put_var(ncid, varid2, data_out))
call check(nf90_put_var(ncid, varid3, TOE_SAN_VALUE))
call check(nf90_put_var(ncid, varid4, data_out_1d))
call check(nf90_put_var(ncid, varid5, data_out))
! Close the file.
call check(nf90_close(ncid))
! Reopen the file.
call check(nf90_open(FILE_NAME, nf90_nowrite, ncid))
! Check some stuff out.
call check(nf90_inquire(ncid, ndims, nvars, ngatts, unlimdimid, file_format))
if (ndims /= 2 .or. nvars /= 5 .or. ngatts /= 0 .or. unlimdimid /= -1 .or. &
file_format /= nf90_format_netcdf4) stop 2
! Get varids.
call check(nf90_inq_varid(ncid, VAR1_NAME, varid1_in))
call check(nf90_inq_varid(ncid, VAR2_NAME, varid2_in))
call check(nf90_inq_varid(ncid, VAR3_NAME, varid3_in))
call check(nf90_inq_varid(ncid, VAR4_NAME, varid4_in))
call check(nf90_inq_varid(ncid, VAR5_NAME, varid5_in))
! Check variable 1.
call check(nf90_inquire_variable(ncid, varid1_in, name_in, xtype_in, ndims_in, dimids_in, &
natts_in, chunksizes = chunksizes_in, endianness = endianness_in, fletcher32 = fletcher32_in, &
deflate_level = deflate_level_in, shuffle = shuffle_in))
if (name_in .ne. VAR1_NAME .or. xtype_in .ne. NF90_INT .or. ndims_in .ne. MAX_DIMS .or. &
natts_in .ne. 0 .or. dimids_in(1) .ne. dimids(1) .or. dimids_in(2) .ne. dimids(2)) stop 3
if (chunksizes_in(1) /= chunksizes(1) .or. chunksizes_in(2) /= chunksizes(2)) &
stop 4
if (endianness_in .ne. nf90_endian_big) stop 5
! Check variable 2.
call check(nf90_inquire_variable(ncid, varid2_in, name_in, xtype_in, ndims_in, dimids_in, &
natts_in, contiguous = contiguous_in, endianness = endianness_in, fletcher32 = fletcher32_in, &
deflate_level = deflate_level_in, shuffle = shuffle_in))
if (name_in .ne. VAR2_NAME .or. xtype_in .ne. NF90_INT .or. ndims_in .ne. MAX_DIMS .or. &
natts_in .ne. 0 .or. dimids_in(1) .ne. dimids(1) .or. dimids_in(2) .ne. dimids(2)) stop 6
if (deflate_level_in .ne. 0 .or. .not. contiguous_in .or. fletcher32_in .or. shuffle_in) stop 7
! Check variable 3.
call check(nf90_inquire_variable(ncid, varid3_in, name_in, xtype_in, ndims_in, dimids_in, &
natts_in, contiguous = contiguous_in, endianness = endianness_in, fletcher32 = fletcher32_in, &
deflate_level = deflate_level_in, shuffle = shuffle_in))
if (name_in .ne. VAR3_NAME .or. xtype_in .ne. NF90_INT64 .or. ndims_in .ne. 0 .or. &
natts_in .ne. 0) stop 8
if (deflate_level_in .ne. 0 .or. .not. contiguous_in .or. fletcher32_in .or. shuffle_in) stop 9
! Check variable 4.
call check(nf90_inquire_variable(ncid, varid4_in, name_in, xtype_in, ndims_in, dimids_in, &
natts_in, contiguous = contiguous_in, endianness = endianness_in, fletcher32 = fletcher32_in, &
deflate_level = deflate_level_in, shuffle = shuffle_in))
if (name_in .ne. VAR4_NAME .or. xtype_in .ne. NF90_INT .or. ndims_in .ne. 1 .or. &
natts_in .ne. 0 .or. dimids_in(1) .ne. x_dimid) stop 10
if (deflate_level_in .ne. 0 .or. .not. contiguous_in .or. fletcher32_in .or. shuffle_in) stop 11
! Check the data.
call check(nf90_get_var(ncid, varid1_in, data_in))
do x = 1, NX
do y = 1, NY
if (data_out(y, x) .ne. data_in(y, x)) stop 12
end do
end do
call check(nf90_get_var(ncid, varid2_in, data_in))
do x = 1, NX
do y = 1, NY
if (data_out(y, x) .ne. data_in(y, x)) stop 13
end do
end do
call check(nf90_get_var(ncid, varid3_in, toe_san_in))
if (toe_san_in .ne. TOE_SAN_VALUE) stop 14
call check(nf90_get_var(ncid, varid4_in, data_in_1d))
do x = 1, NX
if (data_out_1d(x) .ne. data_in_1d(x)) stop 15
end do
call check(nf90_get_var(ncid, varid5_in, data_in))
do x = 1, NX
do y = 1, NY
if (data_out(y, x) .ne. data_in(y, x)) stop 12
end do
end do
! Close the file.
call check(nf90_close(ncid))
print *,'*** SUCCESS!'
contains
! This subroutine handles errors by printing an error message and
! exiting with a non-zero status.
subroutine check(errcode)
use netcdf
implicit none
integer, intent(in) :: errcode
if(errcode /= nf90_noerr) then
print *, 'Error: ', trim(nf90_strerror(errcode))
stop 2
endif
end subroutine check
end program f90tst_vars3
|
