diff options
Diffstat (limited to 'examples/h5_vds.c')
| -rw-r--r-- | examples/h5_vds.c | 52 |
1 files changed, 26 insertions, 26 deletions
diff --git a/examples/h5_vds.c b/examples/h5_vds.c index 76b849a..cce7b88 100644 --- a/examples/h5_vds.c +++ b/examples/h5_vds.c @@ -16,15 +16,15 @@ This example illustrates the concept of virtual dataset. The program creates three 1-dim source datasets and writes data to them. Then it creates a 2-dim virtual dataset and - maps the first three rows of the virtual dataset to the data - in the source datasets. Elements of a row are mapped to all + maps the first three rows of the virtual dataset to the data + in the source datasets. Elements of a row are mapped to all elements of the corresponding source dataset. - The fourth row is not mapped and will be filled with the fill - values when virtual dataset is read back. - + The fourth row is not mapped and will be filled with the fill + values when virtual dataset is read back. + The program closes all datasets, and then reopens the virtual dataset, and finds and prints its creation properties. - Then it reads the values. + Then it reads the values. This file is intended for use with HDF5 Library version 1.10 @@ -37,9 +37,9 @@ #define FILE "vds.h5" #define DATASET "VDS" -#define VDSDIM1 6 -#define VDSDIM0 4 -#define DIM0 6 +#define VDSDIM1 6 +#define VDSDIM0 4 +#define DIM0 6 #define RANK1 1 #define RANK2 2 @@ -58,7 +58,7 @@ const char *SRC_DATASET[] = { int main (void) { - hid_t file, space, src_space, vspace, dset; /* Handles */ + hid_t file, space, src_space, vspace, dset; /* Handles */ hid_t dcpl; herr_t status; hsize_t vdsdims[2] = {VDSDIM0, VDSDIM1}, /* Virtual datasets dimension */ @@ -73,12 +73,12 @@ main (void) block_out[2]; int wdata[DIM0], /* Write buffer for source dataset */ rdata[VDSDIM0][VDSDIM1], /* Read buffer for virtual dataset */ - i, j, k, l; + i, j, k, l; int fill_value = -1; /* Fill value for VDS */ H5D_layout_t layout; /* Storage layout */ size_t num_map; /* Number of mappings */ ssize_t len; /* Length of the string; also a return value */ - char *filename; + char *filename; char *dsetname; hsize_t nblocks; hsize_t *buf; /* Buffer to hold hyperslab coordinates */ @@ -91,9 +91,9 @@ main (void) * Initialize data for i-th source dataset. */ for (j = 0; j < DIM0; j++) wdata[j] = i+1; - + /* - * Create the source files and datasets. Write data to each dataset and + * Create the source files and datasets. Write data to each dataset and * close all resources. */ @@ -117,7 +117,7 @@ main (void) /* Set VDS creation property. */ dcpl = H5Pcreate (H5P_DATASET_CREATE); status = H5Pset_fill_value (dcpl, H5T_NATIVE_INT, &fill_value); - + /* Initialize hyperslab values. */ start[0] = 0; start[1] = 0; @@ -126,11 +126,11 @@ main (void) block[0] = 1; block[1] = VDSDIM1; - /* + /* * Build the mappings. * Selections in the source datasets are H5S_ALL. - * In the virtual dataset we select the first, the second and the third rows - * and map each row to the data in the corresponding source dataset. + * In the virtual dataset we select the first, the second and the third rows + * and map each row to the data in the corresponding source dataset. */ src_space = H5Screate_simple (RANK1, dims, NULL); for (i = 0; i < 3; i++) { @@ -146,8 +146,8 @@ main (void) status = H5Sclose (space); status = H5Sclose (src_space); status = H5Dclose (dset); - status = H5Fclose (file); - + status = H5Fclose (file); + /* * Now we begin the read section of this example. */ @@ -167,7 +167,7 @@ main (void) * Get storage layout. */ layout = H5Pget_layout (dcpl); - if (H5D_VIRTUAL == layout) + if (H5D_VIRTUAL == layout) printf(" Dataset has a virtual layout \n"); else printf(" Wrong layout found \n"); @@ -178,26 +178,26 @@ main (void) status = H5Pget_virtual_count (dcpl, &num_map); printf(" Number of mappings is %lu\n", (unsigned long)num_map); - /* + /* * Get mapping parameters for each mapping. */ - for (i = 0; i < (int)num_map; i++) { + for (i = 0; i < (int)num_map; i++) { printf(" Mapping %d \n", i); printf(" Selection in the virtual dataset "); /* Get selection in the virttual dataset */ vspace = H5Pget_virtual_vspace (dcpl, (size_t)i); /* Make sure that this is a hyperslab selection and then print information. */ - if (H5Sget_select_type(vspace) == H5S_SEL_HYPERSLABS) { + if (H5Sget_select_type(vspace) == H5S_SEL_HYPERSLABS) { nblocks = H5Sget_select_hyper_nblocks (vspace); buf = (hsize_t *)malloc(sizeof(hsize_t)*2*RANK2*nblocks); status = H5Sget_select_hyper_blocklist (vspace, (hsize_t)0, nblocks, buf); for (l=0; l<nblocks; l++) { printf("("); - for (k=0; k<RANK2-1; k++) + for (k=0; k<RANK2-1; k++) printf("%d,", (int)buf[k]); printf("%d ) - (", (int)buf[k]); - for (k=0; k<RANK2-1; k++) + for (k=0; k<RANK2-1; k++) printf("%d,", (int)buf[RANK2+k]); printf("%d)\n", (int)buf[RANK2+k]); } |