/*----< 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_iput_varm_int1_ ( int *v1, int *v2, MPI_Offset v3[], MPI_Offset v4[], MPI_Offset v5[], MPI_Offset v6[], const signed char * 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_iput_varm_schar( *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; }