From 0d5910683d3ed82f80164573146c6c5aaf53db48 Mon Sep 17 00:00:00 2001 From: Binh-Minh Ribler Date: Mon, 25 Apr 2016 01:09:46 -0500 Subject: [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) --- c++/src/H5DcreatProp.cpp | 22 ++++++++ c++/src/H5DcreatProp.h | 3 ++ c++/src/H5IdComponent.cpp | 16 ------ c++/test/dsets.cpp | 135 ++++++++++++++++++++++++++++++++++++++++++++-- 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(i * j); + orig_data[i][j].c = static_cast('a' + i); + orig_data[i][j].s = static_cast(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(-orig_data[i][j].s); + } + } + + // Write to the dataset + dataset.write(static_cast(orig_data), mem_cmpd); + + // Read the dataset back */ + dataset.read(static_cast(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(i), static_cast(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; -- cgit v0.12