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-rw-r--r--c++/examples/compound.cpp323
1 files changed, 159 insertions, 164 deletions
diff --git a/c++/examples/compound.cpp b/c++/examples/compound.cpp
index 4b116e0..45b001e 100644
--- a/c++/examples/compound.cpp
+++ b/c++/examples/compound.cpp
@@ -29,175 +29,170 @@ using std::endl;
#include "H5Cpp.h"
using namespace H5;
-const H5std_string FILE_NAME( "SDScompound.h5" );
-const H5std_string DATASET_NAME( "ArrayOfStructures" );
-const H5std_string MEMBER1( "a_name" );
-const H5std_string MEMBER2( "b_name" );
-const H5std_string MEMBER3( "c_name" );
-const int LENGTH = 10;
-const int RANK = 1;
-
-int main(void)
+const H5std_string FILE_NAME("SDScompound.h5");
+const H5std_string DATASET_NAME("ArrayOfStructures");
+const H5std_string MEMBER1("a_name");
+const H5std_string MEMBER2("b_name");
+const H5std_string MEMBER3("c_name");
+const int LENGTH = 10;
+const int RANK = 1;
+
+int
+main(void)
{
- /* First structure and dataset*/
- typedef struct s1_t {
+ /* First structure and dataset*/
+ typedef struct s1_t {
int a;
float b;
double c;
- } s1_t;
+ } s1_t;
- /* Second structure (subset of s1_t) and dataset*/
- typedef struct s2_t {
+ /* Second structure (subset of s1_t) and dataset*/
+ typedef struct s2_t {
double c;
int a;
- } s2_t;
-
- // Try block to detect exceptions raised by any of the calls inside it
- try
- {
- /*
- * Initialize the data
- */
- int i;
- s1_t s1[LENGTH];
- for (i = 0; i< LENGTH; i++)
- {
- s1[i].a = i;
- s1[i].b = i*i;
- s1[i].c = 1./(i+1);
- }
-
- /*
- * Turn off the auto-printing when failure occurs so that we can
- * handle the errors appropriately
- */
- Exception::dontPrint();
-
- /*
- * Create the data space.
- */
- hsize_t dim[] = {LENGTH}; /* Dataspace dimensions */
- DataSpace space( RANK, dim );
-
- /*
- * Create the file.
- */
- H5File* file = new H5File( FILE_NAME, H5F_ACC_TRUNC );
-
- /*
- * Create the memory datatype.
- */
- CompType mtype1( sizeof(s1_t) );
- mtype1.insertMember( MEMBER1, HOFFSET(s1_t, a), PredType::NATIVE_INT);
- mtype1.insertMember( MEMBER3, HOFFSET(s1_t, c), PredType::NATIVE_DOUBLE);
- mtype1.insertMember( MEMBER2, HOFFSET(s1_t, b), PredType::NATIVE_FLOAT);
-
- /*
- * Create the dataset.
- */
- DataSet* dataset;
- dataset = new DataSet(file->createDataSet(DATASET_NAME, mtype1, space));
-
- /*
- * Write data to the dataset;
- */
- dataset->write( s1, mtype1 );
-
- /*
- * Release resources
- */
- delete dataset;
- delete file;
-
- /*
- * Open the file and the dataset.
- */
- file = new H5File( FILE_NAME, H5F_ACC_RDONLY );
- dataset = new DataSet (file->openDataSet( DATASET_NAME ));
-
- /*
- * Create a datatype for s2
- */
- CompType mtype2( sizeof(s2_t) );
-
- mtype2.insertMember( MEMBER3, HOFFSET(s2_t, c), PredType::NATIVE_DOUBLE);
- mtype2.insertMember( MEMBER1, HOFFSET(s2_t, a), PredType::NATIVE_INT);
-
- /*
- * Read two fields c and a from s1 dataset. Fields in the file
- * are found by their names "c_name" and "a_name".
- */
- s2_t s2[LENGTH];
- dataset->read( s2, mtype2 );
-
- /*
- * Display the fields
- */
- cout << endl << "Field c : " << endl;
- for( i = 0; i < LENGTH; i++)
- cout << s2[i].c << " ";
- cout << endl;
-
- cout << endl << "Field a : " << endl;
- for( i = 0; i < LENGTH; i++)
- cout << s2[i].a << " ";
- cout << endl;
-
- /*
- * Create a datatype for s3.
- */
- CompType mtype3( sizeof(float) );
-
- mtype3.insertMember( MEMBER2, 0, PredType::NATIVE_FLOAT);
-
- /*
- * Read field b from s1 dataset. Field in the file is found by its name.
- */
- float s3[LENGTH]; // Third "structure" - used to read float field of s1
- dataset->read( s3, mtype3 );
-
- /*
- * Display the field
- */
- cout << endl << "Field b : " << endl;
- for( i = 0; i < LENGTH; i++)
- cout << s3[i] << " ";
- cout << endl;
-
- /*
- * Release resources
- */
- delete dataset;
- delete file;
- } // end of try block
-
- // catch failure caused by the H5File operations
- catch( FileIException error )
- {
- error.printErrorStack();
- return -1;
- }
-
- // catch failure caused by the DataSet operations
- catch( DataSetIException error )
- {
- error.printErrorStack();
- return -1;
- }
-
- // catch failure caused by the DataSpace operations
- catch( DataSpaceIException error )
- {
- error.printErrorStack();
- return -1;
- }
-
- // catch failure caused by the DataSpace operations
- catch( DataTypeIException error )
- {
- error.printErrorStack();
- return -1;
- }
-
- return 0;
+ } s2_t;
+
+ // Try block to detect exceptions raised by any of the calls inside it
+ try {
+ /*
+ * Initialize the data
+ */
+ int i;
+ s1_t s1[LENGTH];
+ for (i = 0; i < LENGTH; i++) {
+ s1[i].a = i;
+ s1[i].b = i * i;
+ s1[i].c = 1. / (i + 1);
+ }
+
+ /*
+ * Turn off the auto-printing when failure occurs so that we can
+ * handle the errors appropriately
+ */
+ Exception::dontPrint();
+
+ /*
+ * Create the data space.
+ */
+ hsize_t dim[] = {LENGTH}; /* Dataspace dimensions */
+ DataSpace space(RANK, dim);
+
+ /*
+ * Create the file.
+ */
+ H5File *file = new H5File(FILE_NAME, H5F_ACC_TRUNC);
+
+ /*
+ * Create the memory datatype.
+ */
+ CompType mtype1(sizeof(s1_t));
+ mtype1.insertMember(MEMBER1, HOFFSET(s1_t, a), PredType::NATIVE_INT);
+ mtype1.insertMember(MEMBER3, HOFFSET(s1_t, c), PredType::NATIVE_DOUBLE);
+ mtype1.insertMember(MEMBER2, HOFFSET(s1_t, b), PredType::NATIVE_FLOAT);
+
+ /*
+ * Create the dataset.
+ */
+ DataSet *dataset;
+ dataset = new DataSet(file->createDataSet(DATASET_NAME, mtype1, space));
+
+ /*
+ * Write data to the dataset;
+ */
+ dataset->write(s1, mtype1);
+
+ /*
+ * Release resources
+ */
+ delete dataset;
+ delete file;
+
+ /*
+ * Open the file and the dataset.
+ */
+ file = new H5File(FILE_NAME, H5F_ACC_RDONLY);
+ dataset = new DataSet(file->openDataSet(DATASET_NAME));
+
+ /*
+ * Create a datatype for s2
+ */
+ CompType mtype2(sizeof(s2_t));
+
+ mtype2.insertMember(MEMBER3, HOFFSET(s2_t, c), PredType::NATIVE_DOUBLE);
+ mtype2.insertMember(MEMBER1, HOFFSET(s2_t, a), PredType::NATIVE_INT);
+
+ /*
+ * Read two fields c and a from s1 dataset. Fields in the file
+ * are found by their names "c_name" and "a_name".
+ */
+ s2_t s2[LENGTH];
+ dataset->read(s2, mtype2);
+
+ /*
+ * Display the fields
+ */
+ cout << endl << "Field c : " << endl;
+ for (i = 0; i < LENGTH; i++)
+ cout << s2[i].c << " ";
+ cout << endl;
+
+ cout << endl << "Field a : " << endl;
+ for (i = 0; i < LENGTH; i++)
+ cout << s2[i].a << " ";
+ cout << endl;
+
+ /*
+ * Create a datatype for s3.
+ */
+ CompType mtype3(sizeof(float));
+
+ mtype3.insertMember(MEMBER2, 0, PredType::NATIVE_FLOAT);
+
+ /*
+ * Read field b from s1 dataset. Field in the file is found by its name.
+ */
+ float s3[LENGTH]; // Third "structure" - used to read float field of s1
+ dataset->read(s3, mtype3);
+
+ /*
+ * Display the field
+ */
+ cout << endl << "Field b : " << endl;
+ for (i = 0; i < LENGTH; i++)
+ cout << s3[i] << " ";
+ cout << endl;
+
+ /*
+ * Release resources
+ */
+ delete dataset;
+ delete file;
+ } // end of try block
+
+ // catch failure caused by the H5File operations
+ catch (FileIException error) {
+ error.printErrorStack();
+ return -1;
+ }
+
+ // catch failure caused by the DataSet operations
+ catch (DataSetIException error) {
+ error.printErrorStack();
+ return -1;
+ }
+
+ // catch failure caused by the DataSpace operations
+ catch (DataSpaceIException error) {
+ error.printErrorStack();
+ return -1;
+ }
+
+ // catch failure caused by the DataSpace operations
+ catch (DataTypeIException error) {
+ error.printErrorStack();
+ return -1;
+ }
+
+ return 0;
}
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