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/****************************************************************************
 * NCSA HDF                                                                 *
 * Software Development Group                                               *
 * National Center for Supercomputing Applications                          *
 * University of Illinois at Urbana-Champaign                               *
 * 605 E. Springfield, Champaign IL 61820                                   *
 *                                                                          *
 * For conditions of distribution and use, see the accompanying             *
 * hdf/COPYING file.                                                        *
 *                                                                          *
 ****************************************************************************/

/*
 * This file contains public declarations for the H5S module.
 */
#ifndef _H5Spublic_H
#define _H5Spublic_H

/* Public headers needed by this file */
#include <H5public.h>
#include <H5Ipublic.h>

/* Define atomic datatypes */
#define H5S_ALL         (-2)
#define H5S_UNLIMITED	((hsize_t)(hssize_t)(-1))

/* Define user-level maximum number of dimensions */
#define H5S_MAX_RANK    31

/* Different types of dataspaces */
typedef enum H5S_class_t {
    H5S_NO_CLASS         = -1,  /*error                                      */
    H5S_SCALAR           = 0,   /*scalar variable                            */
    H5S_SIMPLE           = 1,   /*simple data space                          */
    H5S_COMPLEX          = 2    /*complex data space                         */
} H5S_class_t;

/* Different ways of combining selections */
typedef enum H5S_seloper_t {
    H5S_SELECT_NOOP      = -1,  /* error                                     */
    H5S_SELECT_SET       = 0,   /* Select "set" operation 		     */
    H5S_SELECT_OR,              /* Binary "or" operation for hyperslabs
                                 * (add new selection to existing selection)		
                                 */
    H5S_SELECT_APPEND,          /* Append elements to end of point selection */
    H5S_SELECT_PREPEND,         /* Prepend elements to beginning of point selection */
    H5S_SELECT_INVALID          /* Invalid upper bound on selection operations */
} H5S_seloper_t;

#ifdef __cplusplus
extern "C" {
#endif

/* Functions in H5S.c */
__DLL__ hid_t H5Screate(H5S_class_t type);
__DLL__ hid_t H5Screate_simple(int rank, const hsize_t dims[],
			       const hsize_t maxdims[]);
__DLL__ herr_t H5Sset_extent_simple(hid_t space_id, int rank,
				    const hsize_t dims[],
				    const hsize_t max[]);
__DLL__ hid_t H5Scopy(hid_t space_id);
__DLL__ herr_t H5Sclose(hid_t space_id);
__DLL__ hssize_t H5Sget_simple_extent_npoints(hid_t space_id);
__DLL__ int H5Sget_simple_extent_ndims(hid_t space_id);
__DLL__ int H5Sget_simple_extent_dims(hid_t space_id, hsize_t dims[],
				      hsize_t maxdims[]);
__DLL__ htri_t H5Sis_simple(hid_t space_id);
__DLL__ herr_t H5Sset_space(hid_t space_id, int rank, const hsize_t *dims);
__DLL__ hssize_t H5Sget_select_npoints(hid_t spaceid);
__DLL__ herr_t H5Sselect_hyperslab(hid_t space_id, H5S_seloper_t op,
				   const hssize_t start[],
				   const hsize_t _stride[],
				   const hsize_t count[],
				   const hsize_t _block[]);
__DLL__ herr_t H5Sselect_elements(hid_t space_id, H5S_seloper_t op,
				  size_t num_elemn,
				  const hssize_t **coord);
__DLL__ H5S_class_t H5Sget_simple_extent_type(hid_t space_id);
__DLL__ herr_t H5Sset_extent_none(hid_t space_id);
__DLL__ herr_t H5Sextent_copy(hid_t dst_id,hid_t src_id);
__DLL__ herr_t H5Sselect_all(hid_t spaceid);
__DLL__ herr_t H5Sselect_none(hid_t spaceid);
__DLL__ herr_t H5Soffset_simple(hid_t space_id, const hssize_t *offset);
__DLL__ htri_t H5Sselect_valid(hid_t spaceid);
__DLL__ hssize_t H5Sget_select_hyper_nblocks(hid_t spaceid);
__DLL__ hssize_t H5Sget_select_elem_npoints(hid_t spaceid);
__DLL__ herr_t H5Sget_select_hyper_blocklist(hid_t spaceid, hsize_t startblock, hsize_t numblocks, hsize_t *buf);
__DLL__ herr_t H5Sget_select_elem_pointlist(hid_t spaceid, hsize_t startpoint, hsize_t numpoints, hsize_t *buf);
__DLL__ herr_t H5Sget_select_bounds(hid_t spaceid, hsize_t *start, hsize_t *end);

#ifdef __cplusplus
}
#endif
#endif