/*----< main() >------------------------------------------------------------*/
int main(int argc, char **argv)
{
int i, j, err, nerrs=0, rank, nprocs;
int ncid, dimid[2], varid, req, status;
MPI_Offset start[2], count[2], stride[2], imap[2];
int var[6][4];
float k, rh[4][6];
signed char varT[4][6];
char filename[256];
MPI_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
MPI_Comm_size(MPI_COMM_WORLD, &nprocs);
if (argc > 2) {
if (!rank) printf("Usage: %s [filename]\n",argv[0]);
MPI_Finalize();
return 1;
}
if (argc == 2) snprintf(filename, 256, "%s", argv[1]);
else strcpy(filename, "testfile.nc");
if (rank == 0) {
char *cmd_str = (char*)malloc(strlen(argv[0]) + 256);
sprintf(cmd_str, "*** TESTING C %s for get/put varm ", basename(argv[0]));
printf("%-66s ------ ", cmd_str); fflush(stdout);
free(cmd_str);
}
#ifdef DEBUG
if (nprocs > 1 && rank == 0)
printf("Warning: %s is designed to run on 1 process\n", argv[0]);
#endif
err = ncmpi_create(MPI_COMM_WORLD, filename, NC_CLOBBER | NC_64BIT_DATA,
MPI_INFO_NULL, &ncid); CHECK_ERR
/* define a variable of a 6 x 4 integer array in the nc file */
err = ncmpi_def_dim(ncid, "Y", 6, &dimid[0]); CHECK_ERR
err = ncmpi_def_dim(ncid, "X", 4, &dimid[1]); CHECK_ERR
err = ncmpi_def_var(ncid, "var", NC_INT, 2, dimid, &varid); CHECK_ERR
err = ncmpi_enddef(ncid); CHECK_ERR
/* create a 6 x 4 integer variable in the file with contents:
0, 1, 2, 3,
4, 5, 6, 7,
8, 9, 10, 11,
12, 13, 14, 15,
16, 17, 18, 19,
20, 21, 22, 23
*/
for (j=0; j<6; j++) for (i=0; i<4; i++) var[j][i] = j*4+i;
start[0] = 0; start[1] = 0;
count[0] = 6; count[1] = 4;
if (rank > 0) count[0] = count[1] = 0;
err = ncmpi_put_vara_int_all(ncid, varid, start, count, &var[0][0]); CHECK_ERR
if (nprocs > 1) MPI_Barrier(MPI_COMM_WORLD);
err = ncmpi_close(ncid); CHECK_ERR
err = ncmpi_open(MPI_COMM_WORLD, filename, NC_NOWRITE, MPI_INFO_NULL, &ncid); CHECK_ERR
err = ncmpi_inq_varid(ncid, "var", &varid); CHECK_ERR
/* read the variable back in the matrix transposed way, rh is 4 x 6 */
count[0] = 6; count[1] = 4;
stride[0] = 1; stride[1] = 1;
imap[0] = 1; imap[1] = 6; /* would be {4, 1} if not transposing */
for (i=0; i<6; i++) for (j=0; j<4; j++) rh[j][i] = -1.0;
err = ncmpi_iget_varm_float(ncid, varid, start, count, stride, imap, &rh[0][0], &req); CHECK_ERR
err = ncmpi_wait_all(ncid, 1, &req, &status); CHECK_ERR
err = status; CHECK_ERR
/* check the contents of read */
k = 0.0;
for (i=0; i<6; i++) {
for (j=0; j<4; j++) {
if (rh[j][i] != k) {
#ifdef PRINT_ERR_ON_SCREEN
printf("Error at line %d in %s: expecting rh[%d][%d]=%f but got %f\n",
__LINE__,__FILE__,j,i,k,rh[j][i]);
#endif
nerrs++;
break;
}
k += 1.0;
}
}
#ifdef PRINT_ON_SCREEN
/* print the contents of read */
for (j=0; j<4; j++) {
printf("[%2d]: ",j);
for (i=0; i<6; i++) {
printf("%5.1f",rh[j][i]);
}
printf("\n");
}
#endif
/* the stdout should be:
[ 0]: 0.0 4.0 8.0 12.0 16.0 20.0
[ 1]: 1.0 5.0 9.0 13.0 17.0 21.0
[ 2]: 2.0 6.0 10.0 14.0 18.0 22.0
[ 3]: 3.0 7.0 11.0 15.0 19.0 23.0
*/
for (i=0; i<6; i++) for (j=0; j<4; j++) rh[j][i] = -1.0;
err = ncmpi_get_varm_float_all(ncid, varid, start, count, stride, imap, &rh[0][0]); CHECK_ERR
/* check the contents of read */
k = 0.0;
for (i=0; i<6; i++) {
for (j=0; j<4; j++) {
if (rh[j][i] != k) {
#ifdef PRINT_ERR_ON_SCREEN
printf("Error at line %d in %s: expecting rh[%d][%d]=%f but got %f\n",
__LINE__,__FILE__,j,i,k,rh[j][i]);
#endif
nerrs++;
break;
}
k += 1.0;
}
}
#ifdef PRINT_ON_SCREEN
/* print the contents of read */
for (j=0; j<4; j++) {
printf("[%2d]: ",j);
for (i=0; i<6; i++) {
printf("%5.1f",rh[j][i]);
}
printf("\n");
}
#endif
/* the stdout should be:
[ 0]: 0.0 4.0 8.0 12.0 16.0 20.0
[ 1]: 1.0 5.0 9.0 13.0 17.0 21.0
[ 2]: 2.0 6.0 10.0 14.0 18.0 22.0
[ 3]: 3.0 7.0 11.0 15.0 19.0 23.0
*/
err = ncmpi_close(ncid); CHECK_ERR
err = ncmpi_open(MPI_COMM_WORLD, filename, NC_WRITE, MPI_INFO_NULL, &ncid); CHECK_ERR
err = ncmpi_inq_varid(ncid, "var", &varid); CHECK_ERR
/* testing get_varm(), first zero-out the variable in the file */
memset(&var[0][0], 0, 6*4*sizeof(int));
start[0] = 0; start[1] = 0;
count[0] = 6; count[1] = 4;
if (rank > 0) count[0] = count[1] = 0;
err = ncmpi_put_vara_int_all(ncid, varid, start, count, &var[0][0]); CHECK_ERR
/* set the contents of the write buffer varT, a 4 x 6 char array
50, 51, 52, 53, 54, 55,
56, 57, 58, 59, 60, 61,
62, 63, 64, 65, 66, 67,
68, 69, 70, 71, 72, 73
*/
for (j=0; j<4; j++) for (i=0; i<6; i++) varT[j][i] = j*6+i + 50;
/* write varT to the NC variable in the matrix transposed way */
start[0] = 0; start[1] = 0;
count[0] = 6; count[1] = 4;
stride[0] = 1; stride[1] = 1;
imap[0] = 1; imap[1] = 6; /* would be {4, 1} if not transposing */
if (rank > 0) count[0] = count[1] = 0;
err = ncmpi_iput_varm_schar(ncid, varid, start, count, stride, imap, &varT[0][0], &req); CHECK_ERR
err = ncmpi_wait_all(ncid, 1, &req, &status); CHECK_ERR
err = status; CHECK_ERR
/* the output from command "ncmpidump -v var test.nc" should be:
var =
50, 56, 62, 68,
51, 57, 63, 69,
52, 58, 64, 70,
53, 59, 65, 71,
54, 60, 66, 72,
55, 61, 67, 73 ;
*/
/* check if the contents of write buffer have been altered */
for (j=0; j<4; j++) {
for (i=0; i<6; i++) {
if (varT[j][i] != j*6+i + 50) {
#ifdef PRINT_ERR_ON_SCREEN
/* this error is a pnetcdf internal error, if occurs */
printf("Error at line %d in %s: expecting varT[%d][%d]=%d but got %d\n",
__LINE__,__FILE__,j,i,j*6+i + 50,varT[j][i]);
#endif
nerrs++;
break;
}
}
}
err = ncmpi_put_varm_schar_all(ncid, varid, start, count, stride, imap, &varT[0][0]); CHECK_ERR
/* check if the contents of write buffer have been altered */
for (j=0; j<4; j++) {
for (i=0; i<6; i++) {
if (varT[j][i] != j*6+i + 50) {
#ifdef PRINT_ERR_ON_SCREEN
/* this error is a pnetcdf internal error, if occurs */
printf("Error at line %d in %s: expecting varT[%d][%d]=%d but got %d\n",
__LINE__,__FILE__,j,i,j*6+i + 50,varT[j][i]);
#endif
nerrs++;
break;
}
}
}
err = ncmpi_close(ncid); CHECK_ERR
/* check if PnetCDF freed all internal malloc */
MPI_Offset malloc_size, sum_size;
err = ncmpi_inq_malloc_size(&malloc_size);
if (err == NC_NOERR) {
MPI_Reduce(&malloc_size, &sum_size, 1, MPI_OFFSET, MPI_SUM, 0, MPI_COMM_WORLD);
if (rank == 0 && sum_size > 0)
printf("heap memory allocated by PnetCDF internally has %lld bytes yet to be freed\n",
sum_size);
if (malloc_size > 0) ncmpi_inq_malloc_list();
}
MPI_Allreduce(MPI_IN_PLACE, &nerrs, 1, MPI_INT, MPI_SUM, MPI_COMM_WORLD);
if (rank == 0) {
if (nerrs) printf(FAIL_STR,nerrs);
else printf(PASS_STR);
}
MPI_Finalize();
return (nerrs > 0);
}
FORTRAN_API int FORT_CALL nfmpi_iget_varm_real_ ( int *v1, int *v2, MPI_Offset v3[], MPI_Offset v4[], MPI_Offset v5[], MPI_Offset v6[], float*v7, MPI_Fint *v8 ){
int ierr;
int l2 = *v2 - 1;
MPI_Offset *l3 = 0;
MPI_Offset *l4 = 0;
MPI_Offset *l5 = 0;
MPI_Offset *l6 = 0;
{ int ln = ncmpixVardim(*v1,*v2-1);
if (ln > 0) {
int li;
l3 = (MPI_Offset *)malloc( ln * sizeof(MPI_Offset) );
for (li=0; li<ln; li++)
l3[li] = v3[ln-1-li] - 1;
}
else if (ln < 0) {
/* Error return */
ierr = ln;
return ierr;
}
}
{ int ln = ncmpixVardim(*v1,*v2-1);
if (ln > 0) {
int li;
l4 = (MPI_Offset *)malloc( ln * sizeof(MPI_Offset) );
for (li=0; li<ln; li++)
l4[li] = v4[ln-1-li];
}
else if (ln < 0) {
/* Error return */
ierr = ln;
return ierr;
}
}
{ int ln = ncmpixVardim(*v1,*v2-1);
if (ln > 0) {
int li;
l5 = (MPI_Offset *)malloc( ln * sizeof(MPI_Offset) );
for (li=0; li<ln; li++)
l5[li] = v5[ln-1-li];
}
else if (ln < 0) {
/* Error return */
ierr = ln;
return ierr;
}
}
{ int ln = ncmpixVardim(*v1,*v2-1);
if (ln > 0) {
int li;
l6 = (MPI_Offset *)malloc( ln * sizeof(MPI_Offset) );
for (li=0; li<ln; li++)
l6[li] = v6[ln-1-li];
}
else if (ln < 0) {
/* Error return */
ierr = ln;
return ierr;
}
}
ierr = ncmpi_iget_varm_float( *v1, l2, l3, l4, l5, l6, v7, v8 );
if (l3) { free(l3); }
if (l4) { free(l4); }
if (l5) { free(l5); }
if (l6) { free(l6); }
return ierr;
}