Using C to print out an HDF5 file of float64's

foo.uue

begin 764 foo.h5
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end

h5print.c

/*
  Example of reading data in HDF
  Compile using:
  gcc h5print.c -lhdf5 

  Dataset is available in UUENCODED format at:
  https://gist.github.com/blippy/82c23d1d0cdb932a4c29
*/
#include "hdf5.h"
#include <stdio.h>
#include <stdlib.h>

#define FILE            "foo.h5"
#define DATASET         "PER"
#define DIM0            32
#define DIM1            64
#define CHUNK0          4
#define CHUNK1          8

int
main (void)
{
    hid_t           file, space, dset, dcpl;    /* Handles */
    herr_t          status;
    htri_t          avail;
    H5Z_filter_t    filter_type;
    hsize_t         dims[2] = {DIM0, DIM1},
                    chunk[2] = {CHUNK0, CHUNK1};
    size_t          nelmts;
    unsigned int    flags,
                    filter_info;
    int             i, j;
    float rdata[DIM0][DIM1];


    /*
     * Open file and dataset using the default properties.
     */
    file = H5Fopen (FILE, H5F_ACC_RDONLY, H5P_DEFAULT);
    dset = H5Dopen (file, DATASET, H5P_DEFAULT);

    /*
     * Retrieve dataset creation property list.
     */
    dcpl = H5Dget_create_plist (dset);


    
    space = H5Dget_space(dset);
    printf("Sizeof float is %d\n", sizeof(float));

    nelmts = H5Sget_simple_extent_npoints(space);
    printf("Number of elements: %ld\n", nelmts);
    /*
     * Read the data using the default properties.
     */
    status = H5Dread (dset, H5T_NATIVE_FLOAT, H5S_ALL, H5S_ALL, H5P_DEFAULT, // me added FLOAT
                rdata[0]);


    // print the data -- not very elegent
    for (i=0; i<DIM0; i++)
        for (j=0; j<DIM1; j++)
	  {	    
	    printf("%f\n", rdata[i][j]);
	    if (--nelmts == 0) {goto bored;}
	  }
 bored:
    

    status = H5Pclose (dcpl);
    status = H5Dclose (dset);
    status = H5Fclose (file);

    return 0;
}

The sample dataset is in UU-ENCODED form, and needs to be decoded first before use.

I think I may have to
status = H5Sclose (space);