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authorBinh-Minh Ribler <bmribler@hdfgroup.org>2016-04-25 06:09:46 (GMT)
committerBinh-Minh Ribler <bmribler@hdfgroup.org>2016-04-25 06:09:46 (GMT)
commit0d5910683d3ed82f80164573146c6c5aaf53db48 (patch)
tree3d7bcb09503fd0588ee8c1113d3f447aa669b5ce /c++
parent32bdd82cc8f5a4fa6821a5b755f99178e0f379d4 (diff)
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[svn-r29786] Purpose: Add new wrapper
Description: Added wrapper for H5Tset_nbit: void DSetCreatPropList::setNbit() const. Platforms tested: Linux/32 2.6 (jam) Linux/64 (platypus) Darwin (osx1010test)
Diffstat (limited to 'c++')
-rw-r--r--c++/src/H5DcreatProp.cpp22
-rw-r--r--c++/src/H5DcreatProp.h3
-rw-r--r--c++/src/H5IdComponent.cpp16
-rw-r--r--c++/test/dsets.cpp135
4 files changed, 155 insertions, 21 deletions
diff --git a/c++/src/H5DcreatProp.cpp b/c++/src/H5DcreatProp.cpp
index 60cf0fc..b2a3e96 100644
--- a/c++/src/H5DcreatProp.cpp
+++ b/c++/src/H5DcreatProp.cpp
@@ -251,6 +251,28 @@ void DSetCreatPropList::setSzip(unsigned int options_mask, unsigned int pixels_p
}
//--------------------------------------------------------------------------
+// Function: DSetCreatPropList::setNbit
+///\brief Sets up for the use of the Nbit compression filter.
+///\exception H5::PropListIException
+///\par Description
+/// The associate C function sets an Nbit compression filter,
+/// H5Z_FILTER_NBIT, for a dataset. For more information about
+/// Nbit compression, please refer to the C layer Reference
+/// Manual at:
+/// http://www.hdfgroup.org/HDF5/doc/RM/RM_H5P.html#Property-setNbit
+// Programmer Binh-Minh Ribler - Apr, 2016
+//--------------------------------------------------------------------------
+void DSetCreatPropList::setNbit() const
+{
+ herr_t ret_value = H5Pset_nbit(id);
+ if( ret_value < 0 )
+ {
+ throw PropListIException("DSetCreatPropList::setNbit",
+ "H5Pset_nbit failed");
+ }
+}
+
+//--------------------------------------------------------------------------
// Function: DSetCreatPropList::setFillValue
///\brief Sets a dataset fill value
///\param fvalue_type - IN: Data type for the value passed via \a value
diff --git a/c++/src/H5DcreatProp.h b/c++/src/H5DcreatProp.h
index 792956a..51347e8 100644
--- a/c++/src/H5DcreatProp.h
+++ b/c++/src/H5DcreatProp.h
@@ -114,6 +114,9 @@ class H5_DLLCPP DSetCreatPropList : public ObjCreatPropList {
// Sets SZIP compression method.
void setSzip(unsigned int options_mask, unsigned int pixels_per_block) const;
+ // Sets N-bit compression method.
+ void setNbit() const;
+
///\brief Returns this class name.
virtual H5std_string fromClass () const { return("DSetCreatPropList"); }
diff --git a/c++/src/H5IdComponent.cpp b/c++/src/H5IdComponent.cpp
index 4f8c4a2..6d0c39f 100644
--- a/c++/src/H5IdComponent.cpp
+++ b/c++/src/H5IdComponent.cpp
@@ -36,22 +36,6 @@ bool IdComponent::H5cppinit = false;
bool IdComponent::H5dontAtexit_called = false;
//--------------------------------------------------------------------------
-// Function: IdComponent overloaded constructor
-///\brief Creates an IdComponent object using the id of an existing
-/// object. - Obsolete, will be removed in 1.8.17
-// Param h5_id - IN: Id of an existing object
-// Exception H5::DataTypeIException
-// Programmer Binh-Minh Ribler - 2000
-//
-// *** Deprecation warning ***
-// This constructor is no longer appropriate because the data member "id" had
-// been moved to the sub-classes. It will be removed in 1.10 release. If its
-// removal does not raise any problems in 1.10, it will be removed from 1.8 in
-// subsequent releases.
-//--------------------------------------------------------------------------
-IdComponent::IdComponent(const hid_t h5_id) {}
-
-//--------------------------------------------------------------------------
// Function: IdComponent::incRefCount
///\brief Increment reference counter for a given id.
// Programmer Binh-Minh Ribler - May 2005
diff --git a/c++/test/dsets.cpp b/c++/test/dsets.cpp
index 6c27895..5d0c8a1 100644
--- a/c++/test/dsets.cpp
+++ b/c++/test/dsets.cpp
@@ -63,6 +63,7 @@ static size_t filter_bogus(unsigned int flags, size_t cd_nelmts,
const unsigned int *cd_values, size_t nbytes, size_t *buf_size, void **buf);
// H5_ATTR_UNUSED variables caused warning, but taking them out caused failure.
+
/*-------------------------------------------------------------------------
* Function: test_create
*
@@ -82,7 +83,7 @@ static size_t filter_bogus(unsigned int flags, size_t cd_nelmts,
static herr_t
test_create( H5File& file)
{
- SUBTEST("create, open, close");
+ SUBTEST("Create, open, close");
// Setting this to NULL for cleaning up in failure situations
DataSet *dataset = NULL;
@@ -192,6 +193,7 @@ test_create( H5File& file)
}
} // test_create
+
/*-------------------------------------------------------------------------
* Function: test_simple_io
*
@@ -214,7 +216,7 @@ static herr_t
test_simple_io( H5File& file)
{
- SUBTEST("simple I/O");
+ SUBTEST("Simple I/O");
int points[100][200];
int check[100][200];
@@ -279,6 +281,7 @@ test_simple_io( H5File& file)
}
} // test_simple_io
+
/*-------------------------------------------------------------------------
* Function: test_datasize
*
@@ -348,6 +351,7 @@ test_datasize(FileAccPropList &fapl)
}
} // test_datasize
+
/*-------------------------------------------------------------------------
* Function: test_tconv
*
@@ -365,7 +369,7 @@ test_datasize(FileAccPropList &fapl)
*-------------------------------------------------------------------------
*/
static herr_t
-test_tconv( H5File& file)
+test_tconv(H5File& file)
{
// Prepare buffers for input/output
char *out=NULL, *in=NULL;
@@ -374,7 +378,7 @@ test_tconv( H5File& file)
in = new char [4*1000000];
//assert (in);
- SUBTEST("data type conversion");
+ SUBTEST("Data type conversion");
// Initialize the dataset
for (int i = 0; i < 1000000; i++) {
@@ -467,6 +471,7 @@ filter_bogus(unsigned int flags, size_t cd_nelmts,
return nbytes;
}
+
/*-------------------------------------------------------------------------
* Function: test_compression
*
@@ -753,6 +758,123 @@ test_compression(H5File& file)
}
} // test_compression
+
+/*-------------------------------------------------------------------------
+ * Function: test_nbit_methods
+ *
+ * Purpose: Tests setting nbit compression methods.
+ *
+ * Return: Success: 0
+ *
+ * Failure: -1
+ *
+ * Programmer: Binh-Minh Ribler
+ * Friday, April 22, 2016
+ *
+ *-------------------------------------------------------------------------
+ */
+const H5std_string DSET_NBIT_NAME("nbit_dataset");
+const hsize_t DIM1 = 2;
+const hsize_t DIM2 = 5;
+static herr_t test_nbit_compression(H5File& file)
+{
+ typedef struct {
+ int i;
+ char c;
+ short s;
+ } s1_t;
+
+ const hsize_t size[2] = {DIM1, DIM2};
+ const hsize_t chunk_size[2] = {DIM1, DIM2};
+ s1_t orig_data[DIM1][DIM2];
+ s1_t new_data[DIM1][DIM2];
+ hsize_t i, j;
+
+ SUBTEST("N-bit compression (setup)");
+
+ try
+ {
+ // Define datatypes of members of compound datatype
+ IntType i_type(PredType::NATIVE_INT);
+ IntType c_type(PredType::NATIVE_CHAR);
+ IntType s_type(PredType::NATIVE_SHORT);
+
+ // Create a dataset compound datatype
+ CompType cmpd(sizeof(s1_t));
+ cmpd.insertMember("i", HOFFSET(s1_t, i), i_type);
+ cmpd.insertMember("c", HOFFSET(s1_t, c), c_type);
+ cmpd.insertMember("s", HOFFSET(s1_t, s), s_type);
+
+ // Create a memory compound datatype
+ CompType mem_cmpd(sizeof(s1_t));
+ mem_cmpd.insertMember("i", HOFFSET(s1_t, i), i_type);
+ mem_cmpd.insertMember("c", HOFFSET(s1_t, c), c_type);
+ mem_cmpd.insertMember("s", HOFFSET(s1_t, s), s_type);
+
+ // Set order of dataset compound datatype
+ //cmpd.setOrder(H5T_ORDER_BE); only for atomic type?
+
+ // Create the data space
+ DataSpace space(2, size);
+
+ // Use nbit filter
+ DSetCreatPropList dscreat;
+ dscreat.setChunk(2, chunk_size);
+ dscreat.setNbit();
+
+ // Create the dataset
+ DataSet dataset(file.createDataSet(DSET_NBIT_NAME, cmpd, space, dscreat));
+
+ // Initialize data, assuming size of long long >= size of member datatypes
+ for (i = 0; i < size[0]; i++)
+ for (j = 0; j < size[1]; j++)
+ {
+ orig_data[i][j].i = static_cast<int>(i * j);
+ orig_data[i][j].c = static_cast<char>('a' + i);
+ orig_data[i][j].s = static_cast<short>(i + j);
+
+ // Some even-numbered integer values are negative
+ if ((i*size[1]+j+1)%2 == 0) {
+ orig_data[i][j].i = -orig_data[i][j].i;
+ orig_data[i][j].s = static_cast<short>(-orig_data[i][j].s);
+ }
+ }
+
+ // Write to the dataset
+ dataset.write(static_cast<void*>(orig_data), mem_cmpd);
+
+ // Read the dataset back */
+ dataset.read(static_cast<void*>(new_data), mem_cmpd);
+
+ // Check that the values read are the same as the values written.
+ for (i = 0; i < size[0]; i++)
+ for (j = 0; j < size[1]; j++)
+ {
+ if((new_data[i][j].i != orig_data[i][j].i) ||
+ (new_data[i][j].c != orig_data[i][j].c) ||
+ (new_data[i][j].s != orig_data[i][j].s))
+ {
+ H5_FAILED();
+ printf(" Read different values than written.\n");
+ printf(" At index %lu,%lu\n", static_cast<unsigned long>(i), static_cast<unsigned long>(j));
+ }
+ }
+
+ PASSED();
+ return 0;
+ } // end try block
+
+ // catch all dataset, file, space, and plist exceptions
+ catch (Exception& E)
+ {
+ cerr << " FAILED" << endl;
+ cerr << " <<< " << E.getDetailMsg() << " >>>" << endl << endl;
+
+ return -1;
+ }
+} // test_nbit_compression
+
+
/*-------------------------------------------------------------------------
* Function: test_multiopen
*
@@ -789,7 +911,7 @@ test_multiopen (H5File& file)
dcpl.setChunk (1, cur_size);
// Create a simple data space with unlimited size
- static hsize_t max_size[1] = {H5S_UNLIMITED};
+ hsize_t max_size[1] = {H5S_UNLIMITED};
space = new DataSpace (1, cur_size, max_size);
// Create first dataset
@@ -837,6 +959,7 @@ test_multiopen (H5File& file)
}
} // test_multiopen
+
/*-------------------------------------------------------------------------
* Function: test_types
*
@@ -1029,6 +1152,7 @@ test_types(H5File& file)
}
} // test_types
+
/*-------------------------------------------------------------------------
* Function: test_dset
*
@@ -1077,6 +1201,7 @@ void test_dset()
nerrors += test_simple_io(file) < 0 ? 1:0;
nerrors += test_tconv(file) < 0 ? 1:0;
nerrors += test_compression(file) < 0 ? 1:0;
+ nerrors += test_nbit_compression(file) < 0 ? 1:0;
nerrors += test_multiopen (file) < 0 ? 1:0;
nerrors += test_types(file) < 0 ? 1:0;