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-rwxr-xr-xtest/gen_cross.c166
1 files changed, 146 insertions, 20 deletions
diff --git a/test/gen_cross.c b/test/gen_cross.c
index 46afc35..2505dbb 100755
--- a/test/gen_cross.c
+++ b/test/gen_cross.c
@@ -27,17 +27,37 @@
#include "h5test.h"
#define H5FILE_NAME "data.h5"
-#define DATASETNAME "Array"
-#define NX 5 /* dataset dimensions */
-#define NY 6
-#define RANK 2
+#define DATASETNAME "Array"
+#define DATASETNAME2 "Scale_offset_data"
+#define NX 6
+#define NY 6
+#define RANK 2
+#define CHUNK0 3
+#define CHUNK1 3
+int create_normal_dset(hid_t fid, hid_t sid, hid_t tid);
+int create_scale_offset_dset(hid_t fid, hid_t sid, hid_t tid);
+
+
+/*-------------------------------------------------------------------------
+ * Function: create_normal_dset
+ *
+ * Purpose: Create a regular dataset of DOUBLE datatype.
+ *
+ * Return: Success: 0
+ * Failure: -1
+ *
+ * Programmer: Raymond Lu
+ * Some time ago
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
int
-main (void)
+create_normal_dset(hid_t fid, hid_t sid, hid_t tid)
{
- hid_t file, dataset; /* file and dataset handles */
- hid_t datatype, dataspace; /* handles */
- hsize_t dimsf[2]; /* dataset dimensions */
+ hid_t dataset; /* file and dataset handles */
herr_t status;
float data[NX][NY]; /* data to write */
int i, j;
@@ -55,7 +75,121 @@ main (void)
* 2 3 4 5 6 7
* 3 4 5 6 7 8
* 4 5 6 7 8 9
+ * 5 6 7 8 9 10
+ */
+
+ /*
+ * Create a new dataset within the file using defined dataspace and
+ * datatype and default dataset creation properties.
+ */
+ dataset = H5Dcreate2(fid, DATASETNAME, tid, sid,
+ H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+
+ /*
+ * Write the data to the dataset using default transfer properties.
+ */
+ status = H5Dwrite(dataset, H5T_NATIVE_FLOAT, H5S_ALL, H5S_ALL,
+ H5P_DEFAULT, data);
+
+ /*
+ * Close/release resources.
*/
+ H5Dclose(dataset);
+
+ return 0;
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function: create_scale_offset_dset
+ *
+ * Purpose: Create a dataset of DOUBLE datatype with scale-offset filter
+ *
+ * Return: Success: 0
+ * Failure: -1
+ *
+ * Programmer: Raymond Lu
+ * 21 January 2011
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+int
+create_scale_offset_dset(hid_t fid, hid_t sid, hid_t tid)
+{
+#ifdef H5_HAVE_FILTER_SCALEOFFSET
+ hid_t dataset; /* file and dataset handles */
+ hid_t dcpl;
+ herr_t status;
+ float data[NX][NY]; /* data to write */
+ hsize_t chunk[RANK] = {CHUNK0, CHUNK1};
+ int i, j;
+
+ /*
+ * Data and output buffer initialization.
+ */
+ for (j = 0; j < NX; j++) {
+ for (i = 0; i < NY; i++)
+ data[j][i] = ((float)(i + j + 1))/3;
+ }
+
+ /*
+ * Create the dataset creation property list, add the Scale-Offset
+ * filter and set the chunk size.
+ */
+ dcpl = H5Pcreate (H5P_DATASET_CREATE);
+ status = H5Pset_scaleoffset (dcpl, H5Z_SO_FLOAT_DSCALE, 3);
+ status = H5Pset_chunk (dcpl, RANK, chunk);
+
+ /*
+ * Create a new dataset within the file using defined dataspace and
+ * datatype and default dataset creation properties.
+ */
+ dataset = H5Dcreate2(fid, DATASETNAME2, tid, sid,
+ H5P_DEFAULT, dcpl, H5P_DEFAULT);
+
+ /*
+ * Write the data to the dataset using default transfer properties.
+ */
+ status = H5Dwrite(dataset, H5T_NATIVE_FLOAT, H5S_ALL, H5S_ALL,
+ H5P_DEFAULT, data);
+
+ /*
+ * Close/release resources.
+ */
+ H5Pclose(dcpl);
+ H5Dclose(dataset);
+
+#else /* H5_HAVE_FILTER_SCALEOFFSET */
+ const char *not_supported= "Scaleoffset filter is not enabled. Can't create the dataset.";
+
+ puts(not_supported);
+#endif /* H5_HAVE_FILTER_SCALEOFFSET */
+
+ return 0;
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function: main
+ *
+ * Purpose: Create a file for cross_read.c test.
+ *
+ * Return: Success: exit(0)
+ * Failure: exit(1)
+ *
+ * Programmer: Raymond Lu
+ * Some time ago
+ *
+ *-------------------------------------------------------------------------
+ */
+int
+main (void)
+{
+ hid_t file; /* file and dataset handles */
+ hid_t dataspace, datatype;
+ hsize_t dimsf[RANK];
/*
* Create a new file using H5F_ACC_TRUNC access,
@@ -78,25 +212,17 @@ main (void)
*/
datatype = H5Tcopy(H5T_NATIVE_DOUBLE);
- /*
- * Create a new dataset within the file using defined dataspace and
- * datatype and default dataset creation properties.
- */
- dataset = H5Dcreate2(file, DATASETNAME, datatype, dataspace,
- H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+ /* Create a regular dataset */
+ create_normal_dset(file, dataspace, datatype);
- /*
- * Write the data to the dataset using default transfer properties.
- */
- status = H5Dwrite(dataset, H5T_NATIVE_FLOAT, H5S_ALL, H5S_ALL,
- H5P_DEFAULT, data);
+ /* Create a dataset with scale-offset filter */
+ create_scale_offset_dset(file, dataspace, datatype);
/*
* Close/release resources.
*/
H5Sclose(dataspace);
H5Tclose(datatype);
- H5Dclose(dataset);
H5Fclose(file);
return 0;