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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the files COPYING and Copyright.html. COPYING can be found at the root *
* of the source code distribution tree; Copyright.html can be found at the *
* root level of an installed copy of the electronic HDF5 document set and *
* is linked from the top-level documents page. It can also be found at *
* http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* This file contains private information about the H5S module
*/
#ifndef _H5Sprivate_H
#define _H5Sprivate_H
/* Include package's public header */
#include "H5Spublic.h"
/* Public headers needed by this file */
#include "H5Dpublic.h" /* Datasets */
/* Private headers needed by this file */
#include "H5private.h" /* Generic Functions */
#include "H5Fprivate.h" /* Files */
#include "H5Gprivate.h" /* Groups */
#include "H5Oprivate.h" /* Object headers */
#include "H5Pprivate.h" /* Property lists */
/* Flags for H5S_find */
#define H5S_CONV_PAR_IO_POSSIBLE 0x0001
/* The storage options are mutually exclusive */
/* (2-bits reserved for storage type currently) */
#define H5S_CONV_STORAGE_COMPACT 0x0000 /* i.e. '0' */
#define H5S_CONV_STORAGE_CONTIGUOUS 0x0002 /* i.e. '1' */
#define H5S_CONV_STORAGE_CHUNKED 0x0004 /* i.e. '2' */
#define H5S_CONV_STORAGE_MASK 0x0006
/* Flags for "get_seq_list" methods */
#define H5S_GET_SEQ_LIST_SORTED 0x0001
/* Forward references of package typedefs */
typedef struct H5S_t H5S_t;
typedef struct H5S_extent_t H5S_extent_t;
typedef struct H5S_pnt_node_t H5S_pnt_node_t;
typedef struct H5S_hyper_span_t H5S_hyper_span_t;
typedef struct H5S_hyper_span_info_t H5S_hyper_span_info_t;
/* Information about one dimension in a hyperslab selection */
typedef struct H5S_hyper_dim_t {
hsize_t start;
hsize_t stride;
hsize_t count;
hsize_t block;
} H5S_hyper_dim_t;
/* Point selection iteration container */
typedef struct {
H5S_pnt_node_t *curr; /* Pointer to next node to output */
} H5S_point_iter_t;
/* Hyperslab selection iteration container */
typedef struct {
/* Common fields for all hyperslab selections */
hsize_t off[H5S_MAX_RANK]; /* Offset in span node (used as position for regular hyperslabs) */
unsigned iter_rank; /* Rank of iterator information */
/* (This should always be the same as the dataspace
* rank, except for regular hyperslab selections in
* which there are contiguous regions in the lower
* dimensions which have been "flattened" out
*/
hbool_t diminfo_valid; /* Whether the dimension information is valid */
/* "Flattened" regular hyperslab selection fields */
H5S_hyper_dim_t diminfo[H5S_MAX_RANK]; /* "Flattened" regular selection information */
hsize_t size[H5S_MAX_RANK]; /* "Flattened" dataspace extent information */
hssize_t sel_off[H5S_MAX_RANK]; /* "Flattened" selection offset information */
hbool_t flattened[H5S_MAX_RANK]; /* Whether this dimension has been flattened */
/* Irregular hyperslab selection fields */
H5S_hyper_span_info_t *spans; /* Pointer to copy of the span tree */
H5S_hyper_span_t *span[H5S_MAX_RANK];/* Array of pointers to span nodes */
} H5S_hyper_iter_t;
/* "All" selection iteration container */
typedef struct {
hsize_t elmt_offset; /* Next element to output */
hsize_t byte_offset; /* Next byte to output */
} H5S_all_iter_t;
/* Forward declaration of selection iteration class */
struct H5S_sel_iter_class_t;
/* Selection iteration container */
typedef struct H5S_sel_iter_t {
/* Selection class */
const struct H5S_sel_iter_class_t *type; /* Selection iteration class info */
/* Information common to all iterators */
unsigned rank; /* Rank of dataspace the selection iterator is operating on */
hsize_t *dims; /* Dimensions of dataspace the selection is operating on */
hsize_t elmt_left; /* Number of elements left to iterate over */
size_t elmt_size; /* Size of elements to iterate over */
/* Information specific to each type of iterator */
union {
H5S_point_iter_t pnt; /* Point selection iteration information */
H5S_hyper_iter_t hyp; /* New Hyperslab selection iteration information */
H5S_all_iter_t all; /* "All" selection iteration information */
} u;
} H5S_sel_iter_t;
/* If the module using this macro is allowed access to the private variables, access them directly */
#ifdef H5S_PACKAGE
#define H5S_GET_EXTENT_TYPE(S) ((S)->extent.type)
#define H5S_GET_EXTENT_NDIMS(S) ((S)->extent.rank)
#define H5S_GET_EXTENT_NPOINTS(S) ((S)->extent.nelem)
#define H5S_GET_SELECT_NPOINTS(S) ((S)->select.num_elem)
#define H5S_GET_SELECT_TYPE(S) ((S)->select.type->type)
#define H5S_SELECT_GET_SEQ_LIST(S,FLAGS,ITER,MAXSEQ,MAXBYTES,NSEQ,NBYTES,OFF,LEN) ((*(S)->select.type->get_seq_list)(S,FLAGS,ITER,MAXSEQ,MAXBYTES,NSEQ,NBYTES,OFF,LEN))
#define H5S_SELECT_VALID(S) ((*(S)->select.type->is_valid)(S))
#define H5S_SELECT_RELEASE(S) ((*(S)->select.type->release)(S))
#define H5S_SELECT_SERIAL_SIZE(S) ((*(S)->select.type->serial_size)(S))
#define H5S_SELECT_SERIALIZE(S,BUF) ((*(S)->select.type->serialize)(S,BUF))
#define H5S_SELECT_BOUNDS(S,START,END) ((*(S)->select.type->bounds)(S,START,END))
#define H5S_SELECT_OFFSET(S, OFFSET) ((*(S)->select.type->offset)(S, OFFSET))
#define H5S_SELECT_IS_CONTIGUOUS(S) ((*(S)->select.type->is_contiguous)(S))
#define H5S_SELECT_IS_SINGLE(S) ((*(S)->select.type->is_single)(S))
#define H5S_SELECT_IS_REGULAR(S) ((*(S)->select.type->is_regular)(S))
#define H5S_SELECT_ADJUST_U(S,O) ((*(S)->select.type->adjust_u)(S, O))
#define H5S_SELECT_ITER_COORDS(ITER,COORDS) ((*(ITER)->type->iter_coords)(ITER,COORDS))
#define H5S_SELECT_ITER_BLOCK(ITER,START,END) ((*(ITER)->type->iter_block)(ITER,START,END))
#define H5S_SELECT_ITER_NELMTS(ITER) ((*(ITER)->type->iter_nelmts)(ITER))
#define H5S_SELECT_ITER_HAS_NEXT_BLOCK(ITER) ((*(ITER)->type->iter_has_next_block)(ITER))
#define H5S_SELECT_ITER_NEXT(ITER,NELEM)((*(ITER)->type->iter_next)(ITER,NELEM))
#define H5S_SELECT_ITER_NEXT_BLOCK(ITER) ((*(ITER)->type->iter_next_block)(ITER))
#define H5S_SELECT_ITER_RELEASE(ITER) ((*(ITER)->type->iter_release)(ITER))
#else /* H5S_PACKAGE */
#define H5S_GET_EXTENT_TYPE(S) (H5S_get_simple_extent_type(S))
#define H5S_GET_EXTENT_NDIMS(S) (H5S_get_simple_extent_ndims(S))
#define H5S_GET_EXTENT_NPOINTS(S) (H5S_get_simple_extent_npoints(S))
#define H5S_GET_SELECT_NPOINTS(S) (H5S_get_select_npoints(S))
#define H5S_GET_SELECT_TYPE(S) (H5S_get_select_type(S))
#define H5S_SELECT_GET_SEQ_LIST(S,FLAGS,ITER,MAXSEQ,MAXBYTES,NSEQ,NBYTES,OFF,LEN) (H5S_select_get_seq_list(S,FLAGS,ITER,MAXSEQ,MAXBYTES,NSEQ,NBYTES,OFF,LEN))
#define H5S_SELECT_VALID(S) (H5S_select_valid(S))
#define H5S_SELECT_RELEASE(S) (H5S_select_release(S))
#define H5S_SELECT_SERIAL_SIZE(S) (H5S_select_serial_size(S))
#define H5S_SELECT_SERIALIZE(S,BUF) (H5S_select_serialize(S,BUF))
#define H5S_SELECT_BOUNDS(S,START,END) (H5S_get_select_bounds(S,START,END))
#define H5S_SELECT_OFFSET(S, OFFSET) (H5S_get_select_offset(S, OFFSET))
#define H5S_SELECT_IS_CONTIGUOUS(S) (H5S_select_is_contiguous(S))
#define H5S_SELECT_IS_SINGLE(S) (H5S_select_is_single(S))
#define H5S_SELECT_IS_REGULAR(S) (H5S_select_is_regular(S))
#define H5S_SELECT_ADJUST_U(S,O) (H5S_select_adjust_u(S, O))
#define H5S_SELECT_ITER_COORDS(ITER,COORDS) (H5S_select_iter_coords(ITER,COORDS))
#define H5S_SELECT_ITER_BLOCK(ITER,START,END) (H5S_select_iter_block(ITER,START,END))
#define H5S_SELECT_ITER_NELMTS(ITER) (H5S_select_iter_nelmts(ITER))
#define H5S_SELECT_ITER_HAS_NEXT_BLOCK(ITER) (H5S_select_iter_has_next_block(ITER))
#define H5S_SELECT_ITER_NEXT(ITER,NELEM)(H5S_select_iter_next(ITER,NELEM))
#define H5S_SELECT_ITER_NEXT_BLOCK(ITER) (H5S_select_iter_next_block(ITER))
#define H5S_SELECT_ITER_RELEASE(ITER) (H5S_select_iter_release(ITER))
#endif /* H5S_PACKAGE */
/* Handle these two callbacks in a special way, since they have prologs that need to be executed */
#define H5S_SELECT_COPY(DST,SRC,SHARE) (H5S_select_copy(DST,SRC,SHARE))
#define H5S_SELECT_DESERIALIZE(S,BUF) (H5S_select_deserialize(S,BUF))
/* Operations on dataspaces */
H5_DLL H5S_t *H5S_copy(const H5S_t *src, hbool_t share_selection, hbool_t copy_max);
H5_DLL herr_t H5S_close(H5S_t *ds);
H5_DLL H5S_class_t H5S_get_simple_extent_type(const H5S_t *ds);
H5_DLL hssize_t H5S_get_simple_extent_npoints(const H5S_t *ds);
H5_DLL hsize_t H5S_get_npoints_max(const H5S_t *ds);
H5_DLL hbool_t H5S_has_extent(const H5S_t *ds);
H5_DLL int H5S_get_simple_extent_ndims(const H5S_t *ds);
H5_DLL int H5S_get_simple_extent_dims(const H5S_t *ds, hsize_t dims[]/*out*/,
hsize_t max_dims[]/*out*/);
H5_DLL herr_t H5S_write(H5F_t *f, hid_t dxpl_id, H5O_t *oh, unsigned update_flags,
H5S_t *ds);
H5_DLL herr_t H5S_append(H5F_t *f, hid_t dxpl_id, struct H5O_t *oh, H5S_t *ds);
H5_DLL H5S_t *H5S_read(const struct H5O_loc_t *loc, hid_t dxpl_id);
H5_DLL htri_t H5S_set_extent(H5S_t *space, const hsize_t *size);
H5_DLL herr_t H5S_set_extent_real(H5S_t *space, const hsize_t *size);
H5_DLL H5S_t *H5S_create(H5S_class_t type);
H5_DLL H5S_t *H5S_create_simple(unsigned rank, const hsize_t dims[/*rank*/],
const hsize_t maxdims[/*rank*/]);
H5_DLL herr_t H5S_set_latest_version(H5S_t *ds);
H5_DLL herr_t H5S_debug(H5F_t *f, hid_t dxpl_id, const void *_mesg, FILE *stream,
int indent, int fwidth);
#ifndef H5_NO_DEPRECATED_SYMBOLS
H5_DLL int H5S_extend(H5S_t *space, const hsize_t *size);
#endif /* H5_NO_DEPRECATED_SYMBOLS */
/* Operations on dataspace extents */
H5_DLL hsize_t H5S_extent_nelem(const H5S_extent_t *ext);
H5_DLL htri_t H5S_extent_equal(const H5S_t *ds1, const H5S_t *ds2);
/* Operations on selections */
H5_DLL herr_t H5S_select_deserialize(H5S_t *space, const uint8_t *buf);
H5_DLL H5S_sel_type H5S_get_select_type(const H5S_t *space);
H5_DLL herr_t H5S_select_iterate(void *buf, hid_t type_id, const H5S_t *space,
H5D_operator_t op, void *operator_data);
H5_DLL herr_t H5S_select_fill(const void *fill, size_t fill_size,
const H5S_t *space, void *buf);
H5_DLL htri_t H5S_select_valid(const H5S_t *space);
H5_DLL hssize_t H5S_get_select_npoints(const H5S_t *space);
H5_DLL herr_t H5S_get_select_bounds(const H5S_t *space, hsize_t *start, hsize_t *end);
H5_DLL herr_t H5S_get_select_offset(const H5S_t *space, hsize_t *offset);
H5_DLL herr_t H5S_select_offset(H5S_t *space, const hssize_t *offset);
H5_DLL herr_t H5S_select_copy(H5S_t *dst, const H5S_t *src, hbool_t share_selection);
H5_DLL htri_t H5S_select_shape_same(const H5S_t *space1, const H5S_t *space2);
H5_DLL herr_t H5S_select_release(H5S_t *ds);
H5_DLL herr_t H5S_select_get_seq_list(const H5S_t *space, unsigned flags,
H5S_sel_iter_t *iter, size_t maxseq, size_t maxbytes,
size_t *nseq, size_t *nbytes, hsize_t *off, size_t *len);
H5_DLL hssize_t H5S_select_serial_size(const H5S_t *space);
H5_DLL herr_t H5S_select_serialize(const H5S_t *space, uint8_t *buf);
H5_DLL htri_t H5S_select_is_contiguous(const H5S_t *space);
H5_DLL htri_t H5S_select_is_single(const H5S_t *space);
H5_DLL htri_t H5S_select_is_regular(const H5S_t *space);
H5_DLL herr_t H5S_select_adjust_u(H5S_t *space, const hsize_t *offset);
/* Operations on all selections */
H5_DLL herr_t H5S_select_all(H5S_t *space, hbool_t rel_prev);
/* Operations on none selections */
H5_DLL herr_t H5S_select_none(H5S_t *space);
/* Operations on point selections */
H5_DLL herr_t H5S_select_elements(H5S_t *space, H5S_seloper_t op,
size_t num_elem, const hsize_t *coord);
/* Operations on hyperslab selections */
H5_DLL herr_t H5S_select_hyperslab (H5S_t *space, H5S_seloper_t op, const hsize_t start[],
const hsize_t *stride, const hsize_t count[], const hsize_t *block);
H5_DLL herr_t H5S_hyper_add_span_element(H5S_t *space, unsigned rank,
hsize_t *coords);
H5_DLL herr_t H5S_hyper_reset_scratch(H5S_t *space);
H5_DLL herr_t H5S_hyper_convert(H5S_t *space);
#ifdef LATER
H5_DLL htri_t H5S_hyper_intersect (H5S_t *space1, H5S_t *space2);
#endif /* LATER */
H5_DLL htri_t H5S_hyper_intersect_block (H5S_t *space, hsize_t *start, hsize_t *end);
H5_DLL herr_t H5S_hyper_adjust_s(H5S_t *space, const hssize_t *offset);
H5_DLL herr_t H5S_hyper_move(H5S_t *space, const hssize_t *offset);
H5_DLL htri_t H5S_hyper_normalize_offset(H5S_t *space, hssize_t *old_offset);
H5_DLL herr_t H5S_hyper_denormalize_offset(H5S_t *space, const hssize_t *old_offset);
/* Operations on selection iterators */
H5_DLL herr_t H5S_select_iter_init(H5S_sel_iter_t *iter, const H5S_t *space, size_t elmt_size);
H5_DLL herr_t H5S_select_iter_coords(const H5S_sel_iter_t *sel_iter, hsize_t *coords);
H5_DLL hsize_t H5S_select_iter_nelmts(const H5S_sel_iter_t *sel_iter);
H5_DLL herr_t H5S_select_iter_next(H5S_sel_iter_t *sel_iter, size_t nelem);
H5_DLL herr_t H5S_select_iter_release(H5S_sel_iter_t *sel_iter);
#ifdef H5_HAVE_PARALLEL
#ifndef _H5S_IN_H5S_C
/* Global vars whose value comes from environment variable */
/* (Defined in H5S.c) */
H5_DLLVAR hbool_t H5S_mpi_opt_types_g;
#endif /* _H5S_IN_H5S_C */
H5_DLL herr_t
H5S_mpio_space_type( const H5S_t *space, size_t elmt_size,
/* out: */
MPI_Datatype *new_type,
size_t *count,
hsize_t *extra_offset,
hbool_t *is_derived_type );
H5_DLL herr_t
H5S_mpio_space_span_type( const H5S_t *space, size_t elmt_size,
/* out: */
MPI_Datatype *new_type,
size_t *count,
hsize_t *extra_offset,
hbool_t *is_derived_type );
#endif /* H5_HAVE_PARALLEL */
#endif /* _H5Sprivate_H */
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