basic read_strided example implemented

examples/H5Part/read_strided.c

@@ -11,7 +11,7 @@
 
 #define DEFAULT_VERBOSITY       H5_VERBOSE_DEFAULT
 
-#define FNAME                   "example_particles.h5"
+#define FNAME                   "example_strided.h5"
 
 int
 main (
@@ -32,8 +32,21 @@ main (
 
         H5SetStep (file, 0);
 
-        // TODO
-  
+        // Get number of particles in datasets and allocate memory
+        h5_int64_t num_particles = H5PartGetNumParticles (file);
+        h5_float64_t* data = calloc (6*num_particles, sizeof (*data));
+
+        // set number of particles and memory stride
+        H5PartSetNumParticlesStrided (file, num_particles, 6);
+
+        // read data
+        H5PartReadDataFloat64 (file, "x",  data+0);
+        H5PartReadDataFloat64 (file, "y",  data+1);
+        H5PartReadDataFloat64 (file, "z",  data+2);
+        H5PartReadDataFloat64 (file, "px", data+3);
+        H5PartReadDataFloat64 (file, "py", data+4);
+        H5PartReadDataFloat64 (file, "pz", data+5);
+
         H5CloseFile (file);
         return MPI_Finalize ();
 }