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authorAllen Byrne <byrn@hdfgroup.org>2020-10-01 15:29:53 (GMT)
committerAllen Byrne <byrn@hdfgroup.org>2020-10-01 15:29:53 (GMT)
commitec8ad09125032c9c232878d02e90aa86df162841 (patch)
tree5d63105d3a0db7d5bbee41c5b74b097649a2115e /examples/h5_vds-percival.c
parent453238e90e1574ef1c15e3c79f7fb3d77920e77c (diff)
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Source formatted
Diffstat (limited to 'examples/h5_vds-percival.c')
-rw-r--r--examples/h5_vds-percival.c280
1 files changed, 134 insertions, 146 deletions
diff --git a/examples/h5_vds-percival.c b/examples/h5_vds-percival.c
index aeca368..6d688d8 100644
--- a/examples/h5_vds-percival.c
+++ b/examples/h5_vds-percival.c
@@ -25,145 +25,126 @@
#include <stdio.h>
#include <stdlib.h>
-#define FILE "vds-percival.h5"
-#define DATASET "VDS-Percival"
+#define FILE "vds-percival.h5"
+#define DATASET "VDS-Percival"
/* later
#define VDSDIM0 H5S_UNLIMITED
*/
-#define VDSDIM0 40
-#define VDSDIM1 10
-#define VDSDIM2 10
+#define VDSDIM0 40
+#define VDSDIM1 10
+#define VDSDIM2 10
/* later
#define DIM0 H5S_UNLIMITED
*/
-#define DIM0 10
-#define DIM1 10
-#define DIM2 10
-#define RANK 3
-#define PLANE_STRIDE 4
-
-const char *SRC_FILE[] = {
- "a.h5",
- "b.h5",
- "c.h5",
- "d.h5"
-};
-
-const char *SRC_DATASET[] = {
- "A",
- "B",
- "C",
- "D"
-};
+#define DIM0 10
+#define DIM1 10
+#define DIM2 10
+#define RANK 3
+#define PLANE_STRIDE 4
+
+const char *SRC_FILE[] = {"a.h5", "b.h5", "c.h5", "d.h5"};
+
+const char *SRC_DATASET[] = {"A", "B", "C", "D"};
int
-main (void)
+main(void)
{
- hid_t file, src_space, vspace,
- dset; /* Handles */
- hid_t dcpl;
- herr_t status;
- hsize_t vdsdims[3] = {VDSDIM0, VDSDIM1, VDSDIM2},
- vdsdims_max[3] = {VDSDIM0, VDSDIM1, VDSDIM2},
- dims[3] = {DIM0, DIM1, DIM2},
- dims_max[3] = {DIM0, DIM1, DIM2},
- start[3], /* Hyperslab start parameter for VDS */
- stride[3],
- count[3],
- src_count[3],
- block[3];
- hsize_t start_out[3], /* Hyperslab parameter out */
- stride_out[3],
- count_out[3],
- block_out[3];
+ hid_t file, src_space, vspace, dset; /* Handles */
+ hid_t dcpl;
+ herr_t status;
+ hsize_t vdsdims[3] = {VDSDIM0, VDSDIM1, VDSDIM2}, vdsdims_max[3] = {VDSDIM0, VDSDIM1, VDSDIM2},
+ dims[3] = {DIM0, DIM1, DIM2}, dims_max[3] = {DIM0, DIM1, DIM2},
+ start[3], /* Hyperslab start parameter for VDS */
+ stride[3], count[3], src_count[3], block[3];
+ hsize_t start_out[3], /* Hyperslab parameter out */
+ stride_out[3], count_out[3], block_out[3];
int i, j;
- 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 *dsetname;
- int wdata[DIM0*DIM1*DIM2];
+ 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 * dsetname;
+ int wdata[DIM0 * DIM1 * DIM2];
/*
* Create source files and datasets. This step is optional.
*/
- for (i=0; i < PLANE_STRIDE; i++) {
+ for (i = 0; i < PLANE_STRIDE; i++) {
/*
* Initialize data for i-th source dataset.
*/
- for (j = 0; j < DIM0*DIM1*DIM2; j++) wdata[j] = i+1;
+ for (j = 0; j < DIM0 * DIM1 * DIM2; j++)
+ wdata[j] = i + 1;
/*
* Create the source files and datasets. Write data to each dataset and
* close all resources.
*/
- file = H5Fcreate (SRC_FILE[i], H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
- src_space = H5Screate_simple (RANK, dims, NULL);
- dset = H5Dcreate2 (file, SRC_DATASET[i], H5T_NATIVE_INT, src_space, H5P_DEFAULT,
- H5P_DEFAULT, H5P_DEFAULT);
- status = H5Dwrite (dset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT,
- wdata);
- status = H5Sclose (src_space);
- status = H5Dclose (dset);
- status = H5Fclose (file);
+ file = H5Fcreate(SRC_FILE[i], H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
+ src_space = H5Screate_simple(RANK, dims, NULL);
+ dset = H5Dcreate2(file, SRC_DATASET[i], H5T_NATIVE_INT, src_space, H5P_DEFAULT, H5P_DEFAULT,
+ H5P_DEFAULT);
+ status = H5Dwrite(dset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, wdata);
+ status = H5Sclose(src_space);
+ status = H5Dclose(dset);
+ status = H5Fclose(file);
}
- file = H5Fcreate (FILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
+ file = H5Fcreate(FILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
/* Create VDS dataspace. */
- vspace = H5Screate_simple (RANK, vdsdims, vdsdims_max);
+ vspace = H5Screate_simple(RANK, vdsdims, vdsdims_max);
/* Create dataspaces for the source dataset. */
- src_space = H5Screate_simple (RANK, dims, dims_max);
+ src_space = H5Screate_simple(RANK, dims, dims_max);
/* Create VDS creation property */
- dcpl = H5Pcreate (H5P_DATASET_CREATE);
+ dcpl = H5Pcreate(H5P_DATASET_CREATE);
/* Initialize hyperslab values */
- start[0] = 0;
- start[1] = 0;
- start[2] = 0;
+ start[0] = 0;
+ start[1] = 0;
+ start[2] = 0;
stride[0] = PLANE_STRIDE; /* we will select every fifth plane in VDS */
stride[1] = 1;
stride[2] = 1;
-/* later
- count[0] = H5S_UNLIMITED;
-*/
- count[0] = VDSDIM0/4;
+ /* later
+ count[0] = H5S_UNLIMITED;
+ */
+ count[0] = VDSDIM0 / 4;
count[1] = 1;
count[2] = 1;
-/* later
- src_count[0] = H5S_UNLIMITED;
-*/
+ /* later
+ src_count[0] = H5S_UNLIMITED;
+ */
src_count[0] = DIM0;
src_count[1] = 1;
src_count[2] = 1;
- block[0] = 1;
- block[1] = DIM1;
- block[2] = DIM2;
+ block[0] = 1;
+ block[1] = DIM1;
+ block[2] = DIM2;
/*
* Build the mappings
*
*/
- status = H5Sselect_hyperslab (src_space, H5S_SELECT_SET, start, NULL, src_count, block);
- for (i=0; i < PLANE_STRIDE; i++) {
- status = H5Sselect_hyperslab (vspace, H5S_SELECT_SET, start, stride, count, block);
- status = H5Pset_virtual (dcpl, vspace, SRC_FILE[i], SRC_DATASET[i], src_space);
+ status = H5Sselect_hyperslab(src_space, H5S_SELECT_SET, start, NULL, src_count, block);
+ for (i = 0; i < PLANE_STRIDE; i++) {
+ status = H5Sselect_hyperslab(vspace, H5S_SELECT_SET, start, stride, count, block);
+ status = H5Pset_virtual(dcpl, vspace, SRC_FILE[i], SRC_DATASET[i], src_space);
start[0]++;
}
H5Sselect_none(vspace);
/* Create a virtual dataset */
- dset = H5Dcreate2 (file, DATASET, H5T_NATIVE_INT, vspace, H5P_DEFAULT,
- dcpl, H5P_DEFAULT);
- status = H5Sclose (vspace);
- status = H5Sclose (src_space);
- status = H5Dclose (dset);
- status = H5Fclose (file);
+ dset = H5Dcreate2(file, DATASET, H5T_NATIVE_INT, vspace, H5P_DEFAULT, dcpl, H5P_DEFAULT);
+ status = H5Sclose(vspace);
+ status = H5Sclose(src_space);
+ status = H5Dclose(dset);
+ status = H5Fclose(file);
/*
* Now we begin the read section of this example.
@@ -172,82 +153,89 @@ main (void)
/*
* Open file and dataset using the default properties.
*/
- file = H5Fopen (FILE, H5F_ACC_RDONLY, H5P_DEFAULT);
- dset = H5Dopen2 (file, DATASET, H5P_DEFAULT);
+ file = H5Fopen(FILE, H5F_ACC_RDONLY, H5P_DEFAULT);
+ dset = H5Dopen2(file, DATASET, H5P_DEFAULT);
/*
* Get creation property list and mapping properties.
*/
- dcpl = H5Dget_create_plist (dset);
+ dcpl = H5Dget_create_plist(dset);
/*
* Get storage layout.
*/
- layout = H5Pget_layout (dcpl);
+ layout = H5Pget_layout(dcpl);
if (H5D_VIRTUAL == layout)
printf(" Dataset has a virtual layout \n");
else
printf(" Wrong layout found \n");
- /*
- * Find number of mappings.
- */
- 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++) {
- printf(" Mapping %d \n", i);
- printf(" Selection in the virtual dataset \n");
- /* Get selection in the virttual dataset */
- vspace = H5Pget_virtual_vspace (dcpl, (size_t)i);
- if (H5Sget_select_type(vspace) == H5S_SEL_HYPERSLABS) {
- if (H5Sis_regular_hyperslab(vspace)) {
- status = H5Sget_regular_hyperslab (vspace, start_out, stride_out, count_out, block_out);
- printf(" start = [%llu, %llu, %llu] \n", (unsigned long long)start_out[0], (unsigned long long)start_out[1], (unsigned long long)start_out[2]);
- printf(" stride = [%llu, %llu, %llu] \n", (unsigned long long)stride_out[0], (unsigned long long)stride_out[1], (unsigned long long)stride_out[2]);
- printf(" count = [%llu, %llu, %llu] \n", (unsigned long long)count_out[0], (unsigned long long)count_out[1], (unsigned long long)count_out[2]);
- printf(" block = [%llu, %llu, %llu] \n", (unsigned long long)block_out[0], (unsigned long long)block_out[1], (unsigned long long)block_out[2]);
- }
- }
- /* Get source file name */
- len = H5Pget_virtual_filename (dcpl, (size_t)i, NULL, 0);
- filename = (char *)malloc((size_t)len*sizeof(char)+1);
- H5Pget_virtual_filename (dcpl, (size_t)i, filename, len+1);
- printf(" Source filename %s\n", filename);
-
- /* Get source dataset name */
- len = H5Pget_virtual_dsetname (dcpl, (size_t)i, NULL, 0);
- dsetname = (char *)malloc((size_t)len*sizeof(char)+1);
- H5Pget_virtual_dsetname (dcpl, (size_t)i, dsetname, len+1);
- printf(" Source dataset name %s\n", dsetname);
-
- /* Get selection in the source dataset */
- printf(" Selection in the source dataset \n");
- src_space = H5Pget_virtual_srcspace (dcpl, (size_t)i);
- if (H5Sget_select_type(src_space) == H5S_SEL_HYPERSLABS) {
- if (H5Sis_regular_hyperslab(src_space)) {
- status = H5Sget_regular_hyperslab (src_space, start_out, stride_out, count_out, block_out);
- printf(" start = [%llu, %llu, %llu] \n", (unsigned long long)start_out[0], (unsigned long long)start_out[1], (unsigned long long)start_out[2]);
- printf(" stride = [%llu, %llu, %llu] \n", (unsigned long long)stride_out[0], (unsigned long long)stride_out[1], (unsigned long long)stride_out[2]);
- printf(" count = [%llu, %llu, %llu] \n", (unsigned long long)count_out[0], (unsigned long long)count_out[1], (unsigned long long)count_out[2]);
- printf(" block = [%llu, %llu, %llu] \n", (unsigned long long)block_out[0], (unsigned long long)block_out[1], (unsigned long long)block_out[2]);
- }
- }
- H5Sclose(vspace);
- H5Sclose(src_space);
- free(filename);
- free(dsetname);
- }
+ /*
+ * Find number of mappings.
+ */
+ 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++) {
+ printf(" Mapping %d \n", i);
+ printf(" Selection in the virtual dataset \n");
+ /* Get selection in the virttual dataset */
+ vspace = H5Pget_virtual_vspace(dcpl, (size_t)i);
+ if (H5Sget_select_type(vspace) == H5S_SEL_HYPERSLABS) {
+ if (H5Sis_regular_hyperslab(vspace)) {
+ status = H5Sget_regular_hyperslab(vspace, start_out, stride_out, count_out, block_out);
+ printf(" start = [%llu, %llu, %llu] \n", (unsigned long long)start_out[0],
+ (unsigned long long)start_out[1], (unsigned long long)start_out[2]);
+ printf(" stride = [%llu, %llu, %llu] \n", (unsigned long long)stride_out[0],
+ (unsigned long long)stride_out[1], (unsigned long long)stride_out[2]);
+ printf(" count = [%llu, %llu, %llu] \n", (unsigned long long)count_out[0],
+ (unsigned long long)count_out[1], (unsigned long long)count_out[2]);
+ printf(" block = [%llu, %llu, %llu] \n", (unsigned long long)block_out[0],
+ (unsigned long long)block_out[1], (unsigned long long)block_out[2]);
+ }
+ }
+ /* Get source file name */
+ len = H5Pget_virtual_filename(dcpl, (size_t)i, NULL, 0);
+ filename = (char *)malloc((size_t)len * sizeof(char) + 1);
+ H5Pget_virtual_filename(dcpl, (size_t)i, filename, len + 1);
+ printf(" Source filename %s\n", filename);
+
+ /* Get source dataset name */
+ len = H5Pget_virtual_dsetname(dcpl, (size_t)i, NULL, 0);
+ dsetname = (char *)malloc((size_t)len * sizeof(char) + 1);
+ H5Pget_virtual_dsetname(dcpl, (size_t)i, dsetname, len + 1);
+ printf(" Source dataset name %s\n", dsetname);
+
+ /* Get selection in the source dataset */
+ printf(" Selection in the source dataset \n");
+ src_space = H5Pget_virtual_srcspace(dcpl, (size_t)i);
+ if (H5Sget_select_type(src_space) == H5S_SEL_HYPERSLABS) {
+ if (H5Sis_regular_hyperslab(src_space)) {
+ status = H5Sget_regular_hyperslab(src_space, start_out, stride_out, count_out, block_out);
+ printf(" start = [%llu, %llu, %llu] \n", (unsigned long long)start_out[0],
+ (unsigned long long)start_out[1], (unsigned long long)start_out[2]);
+ printf(" stride = [%llu, %llu, %llu] \n", (unsigned long long)stride_out[0],
+ (unsigned long long)stride_out[1], (unsigned long long)stride_out[2]);
+ printf(" count = [%llu, %llu, %llu] \n", (unsigned long long)count_out[0],
+ (unsigned long long)count_out[1], (unsigned long long)count_out[2]);
+ printf(" block = [%llu, %llu, %llu] \n", (unsigned long long)block_out[0],
+ (unsigned long long)block_out[1], (unsigned long long)block_out[2]);
+ }
+ }
+ H5Sclose(vspace);
+ H5Sclose(src_space);
+ free(filename);
+ free(dsetname);
+ }
/*
* Close and release resources.
*/
- status = H5Pclose (dcpl);
- status = H5Dclose (dset);
- status = H5Fclose (file);
+ status = H5Pclose(dcpl);
+ status = H5Dclose(dset);
+ status = H5Fclose(file);
return 0;
}
-