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Merge pull request ESMCI#1574 from NCAR/ejh_fortran_test_2
now getting darray write working in fortran with netcdf integration
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| /* This program does a very simple I/O system and decomposition, and | ||
| * writes a simple file. | ||
| Ed Hartnett, 7/27/19 | ||
| */ | ||
|
|
||
| #include "config.h" | ||
| #include <pio.h> | ||
| #include <mpi.h> | ||
| #include <pio_tests.h> | ||
| #include <pio_internal.h> | ||
|
|
||
| #define FILE_NAME "tst_c_pio.nc" | ||
| #define VAR_NAME "data_var" | ||
| #define DIM_NAME_UNLIMITED "dim_unlimited" | ||
| #define DIM_NAME_X "dim_x" | ||
| #define DIM_NAME_Y "dim_y" | ||
| #define DIM_LEN_X 4 | ||
| #define DIM_LEN_Y 4 | ||
| #define NDIM2 2 | ||
| #define NDIM3 3 | ||
| #define LLEN 4 | ||
| #define MPI_ERR 999 | ||
| #define NTASKS4 4 | ||
|
|
||
| int | ||
| main(int argc, char **argv) | ||
| { | ||
| int my_rank; | ||
| int ntasks; | ||
|
|
||
| /* Initialize MPI. */ | ||
| if (MPI_Init(&argc, &argv)) | ||
| return MPI_ERR; | ||
|
|
||
| /* Learn my rank and the total number of processors. */ | ||
| if (MPI_Comm_rank(MPI_COMM_WORLD, &my_rank)) | ||
| return MPI_ERR; | ||
| if (MPI_Comm_size(MPI_COMM_WORLD, &ntasks)) | ||
| return MPI_ERR; | ||
| /* Must run on 4 tasks only. */ | ||
| if (ntasks != NTASKS4) | ||
| return MPI_ERR; | ||
|
|
||
| if (!my_rank) | ||
| { | ||
| printf("\n*** Testing simple use of PIO.\n"); | ||
| printf("*** testing creating of simple file..."); | ||
| } | ||
| { | ||
| int iosysid; | ||
| int ncid; | ||
| int dimid[NDIM3]; | ||
| int varid; | ||
| int ioid; | ||
| int dimlen[NDIM3] = {NC_UNLIMITED, DIM_LEN_X, DIM_LEN_Y}; | ||
| char dimname[NDIM3][NC_MAX_NAME + 1] = {DIM_NAME_UNLIMITED, DIM_NAME_X, DIM_NAME_Y}; | ||
| int iotype = PIO_IOTYPE_NETCDF; | ||
| int my_data[LLEN]; | ||
| PIO_Offset compmap[LLEN]; | ||
| int i; | ||
| int ret; | ||
|
|
||
| /* PIOc_set_log_level(3); */ | ||
|
|
||
| /* Initialize local data. */ | ||
| for (i = 0; i < LLEN; i++) | ||
| my_data[i] = my_rank * 10 + i; | ||
|
|
||
| /* Initialize the IOSystem. */ | ||
| if ((ret = PIOc_Init_Intracomm(MPI_COMM_WORLD, 1, 1, 0, 0, &iosysid))) | ||
| return ret; | ||
|
|
||
| /* Create a file. */ | ||
| if ((ret = PIOc_createfile(iosysid, &ncid, &iotype, FILE_NAME, 0))) | ||
| return ret; | ||
|
|
||
| /* Define metadata. */ | ||
| for (i = 0; i < NDIM3; i++) | ||
| if ((ret = PIOc_def_dim(ncid, dimname[i], dimlen[i], &dimid[i]))) | ||
| return ret; | ||
| if ((ret = PIOc_def_var(ncid, VAR_NAME, PIO_INT, NDIM3, dimid, &varid))) | ||
| return ret; | ||
| if ((ret = PIOc_enddef(ncid))) | ||
| return ret; | ||
|
|
||
| /* Create the decomposition. */ | ||
| for (i = 0; i < LLEN; i++) | ||
| compmap[i] = i + my_rank * LLEN; | ||
| if ((ret = PIOc_init_decomp(iosysid, PIO_INT, NDIM2, &dimlen[1], LLEN, compmap, | ||
| &ioid, PIO_REARR_BOX, NULL, NULL))) | ||
| return ret; | ||
|
|
||
| /* Write data. */ | ||
| if ((ret = PIOc_setframe(ncid, varid, 0))) | ||
| return ret; | ||
| if ((ret = PIOc_write_darray(ncid, varid, ioid, LLEN, my_data, NULL))) | ||
| return ret; | ||
|
|
||
| /* Close the file. */ | ||
| if ((ret = PIOc_closefile(ncid))) | ||
| return ret; | ||
|
|
||
| /* Free the decomposition. */ | ||
| if ((ret = PIOc_freedecomp(iosysid, ioid))) | ||
| return ret; | ||
|
|
||
| /* Free the IOSystem. */ | ||
| if ((ret = PIOc_free_iosystem(iosysid))) | ||
| return ret; | ||
| } | ||
|
|
||
| if (!my_rank) | ||
| printf("\nSUCCESS!\n"); | ||
| /* Finalize MPI. */ | ||
| MPI_Finalize(); | ||
| return 0; | ||
| } |