summaryrefslogtreecommitdiffstats
path: root/src/H5Sall.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/H5Sall.c')
-rw-r--r--src/H5Sall.c94
1 files changed, 76 insertions, 18 deletions
diff --git a/src/H5Sall.c b/src/H5Sall.c
index 0aa2f05..083410a 100644
--- a/src/H5Sall.c
+++ b/src/H5Sall.c
@@ -51,9 +51,6 @@
/* Selection callbacks */
static herr_t H5S__all_copy(H5S_t *dst, const H5S_t *src, hbool_t share_selection);
-static herr_t H5S__all_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);
static herr_t H5S__all_release(H5S_t *space);
static htri_t H5S__all_is_valid(const H5S_t *space);
static hssize_t H5S__all_serial_size(const H5S_t *space);
@@ -66,10 +63,11 @@ static int H5S__all_unlim_dim(const H5S_t *space);
static htri_t H5S__all_is_contiguous(const H5S_t *space);
static htri_t H5S__all_is_single(const H5S_t *space);
static htri_t H5S__all_is_regular(const H5S_t *space);
+static htri_t H5S__all_shape_same(const H5S_t *space1, const H5S_t *space2);
static herr_t H5S__all_adjust_u(H5S_t *space, const hsize_t *offset);
static herr_t H5S__all_project_scalar(const H5S_t *space, hsize_t *offset);
static herr_t H5S__all_project_simple(const H5S_t *space, H5S_t *new_space, hsize_t *offset);
-static herr_t H5S__all_iter_init(H5S_sel_iter_t *iter, const H5S_t *space);
+static herr_t H5S__all_iter_init(const H5S_t *space, H5S_sel_iter_t *iter);
/* Selection iteration callbacks */
static herr_t H5S__all_iter_coords(const H5S_sel_iter_t *iter, hsize_t *coords);
@@ -78,6 +76,8 @@ static hsize_t H5S__all_iter_nelmts(const H5S_sel_iter_t *iter);
static htri_t H5S__all_iter_has_next_block(const H5S_sel_iter_t *iter);
static herr_t H5S__all_iter_next(H5S_sel_iter_t *sel_iter, size_t nelem);
static herr_t H5S__all_iter_next_block(H5S_sel_iter_t *sel_iter);
+static herr_t H5S__all_iter_get_seq_list(H5S_sel_iter_t *iter, size_t maxseq,
+ size_t maxbytes, size_t *nseq, size_t *nbytes, hsize_t *off, size_t *len);
static herr_t H5S__all_iter_release(H5S_sel_iter_t *sel_iter);
@@ -96,7 +96,6 @@ const H5S_select_class_t H5S_sel_all[1] = {{
/* Methods on selection */
H5S__all_copy,
- H5S__all_get_seq_list,
H5S__all_release,
H5S__all_is_valid,
H5S__all_serial_size,
@@ -109,6 +108,7 @@ const H5S_select_class_t H5S_sel_all[1] = {{
H5S__all_is_contiguous,
H5S__all_is_single,
H5S__all_is_regular,
+ H5S__all_shape_same,
H5S__all_adjust_u,
H5S__all_project_scalar,
H5S__all_project_simple,
@@ -131,6 +131,7 @@ static const H5S_sel_iter_class_t H5S_sel_iter_all[1] = {{
H5S__all_iter_has_next_block,
H5S__all_iter_next,
H5S__all_iter_next_block,
+ H5S__all_iter_get_seq_list,
H5S__all_iter_release,
}};
@@ -149,7 +150,7 @@ static const H5S_sel_iter_class_t H5S_sel_iter_all[1] = {{
*-------------------------------------------------------------------------
*/
static herr_t
-H5S__all_iter_init(H5S_sel_iter_t *iter, const H5S_t *space)
+H5S__all_iter_init(const H5S_t H5_ATTR_UNUSED *space, H5S_sel_iter_t *iter)
{
FUNC_ENTER_STATIC_NOERR
@@ -157,9 +158,6 @@ H5S__all_iter_init(H5S_sel_iter_t *iter, const H5S_t *space)
HDassert(space && H5S_SEL_ALL == H5S_GET_SELECT_TYPE(space));
HDassert(iter);
- /* Initialize the number of elements to iterate over */
- iter->elmt_left = H5S_GET_SELECT_NPOINTS(space);
-
/* Start at the upper left location */
iter->u.all.elmt_offset = 0;
iter->u.all.byte_offset = 0;
@@ -362,13 +360,11 @@ H5S__all_iter_next_block(H5S_sel_iter_t H5_ATTR_UNUSED *iter)
/*--------------------------------------------------------------------------
NAME
- H5S__all_get_seq_list
+ H5S__all_iter_get_seq_list
PURPOSE
Create a list of offsets & lengths for a selection
USAGE
- herr_t H5S__all_get_seq_list(space,flags,iter,maxseq,maxelem,nseq,nelem,off,len)
- H5S_t *space; IN: Dataspace containing selection to use.
- unsigned flags; IN: Flags for extra information about operation
+ herr_t H5S__all_iter_get_seq_list(iter,maxseq,maxelem,nseq,nelem,off,len)
H5S_sel_iter_t *iter; IN/OUT: Selection iterator describing last
position of interest in selection.
size_t maxseq; IN: Maximum number of sequences to generate
@@ -392,16 +388,14 @@ H5S__all_iter_next_block(H5S_sel_iter_t H5_ATTR_UNUSED *iter)
REVISION LOG
--------------------------------------------------------------------------*/
static herr_t
-H5S__all_get_seq_list(const H5S_t H5_ATTR_UNUSED *space, unsigned H5_ATTR_UNUSED flags, H5S_sel_iter_t *iter,
- size_t H5_ATTR_UNUSED maxseq, size_t maxelem, size_t *nseq, size_t *nelem,
- hsize_t *off, size_t *len)
+H5S__all_iter_get_seq_list(H5S_sel_iter_t *iter, size_t H5_ATTR_UNUSED maxseq,
+ size_t maxelem, size_t *nseq, size_t *nelem, hsize_t *off, size_t *len)
{
size_t elem_used; /* The number of elements used */
FUNC_ENTER_STATIC_NOERR
/* Check args */
- HDassert(space);
HDassert(iter);
HDassert(maxseq > 0);
HDassert(maxelem > 0);
@@ -431,7 +425,7 @@ H5S__all_get_seq_list(const H5S_t H5_ATTR_UNUSED *space, unsigned H5_ATTR_UNUSED
iter->u.all.byte_offset += len[0];
FUNC_LEAVE_NOAPI(SUCCEED)
-} /* end H5S__all_get_seq_list() */
+} /* end H5S__all_iter_get_seq_list() */
/*--------------------------------------------------------------------------
@@ -892,6 +886,70 @@ H5S__all_is_regular(const H5S_t H5_ATTR_UNUSED *space)
/*--------------------------------------------------------------------------
NAME
+ H5S__all_shape_same
+ PURPOSE
+ Check if a two "all" selections are the same shape
+ USAGE
+ htri_t H5S__all_shape_same(space1, space2)
+ const H5S_t *space1; IN: First dataspace to check
+ const H5S_t *space2; IN: Second dataspace to check
+ RETURNS
+ TRUE / FALSE / FAIL
+ DESCRIPTION
+ Checks to see if the current selection in each dataspace are the same
+ shape.
+ GLOBAL VARIABLES
+ COMMENTS, BUGS, ASSUMPTIONS
+ EXAMPLES
+ REVISION LOG
+--------------------------------------------------------------------------*/
+static htri_t
+H5S__all_shape_same(const H5S_t *space1, const H5S_t *space2)
+{
+ int space1_dim; /* Current dimension in first dataspace */
+ int space2_dim; /* Current dimension in second dataspace */
+ htri_t ret_value = TRUE; /* Return value */
+
+ FUNC_ENTER_STATIC_NOERR
+
+ /* Check args */
+ HDassert(space1);
+ HDassert(space2);
+
+ /* Initialize dataspace dims */
+ space1_dim = (int)space1->extent.rank - 1;
+ space2_dim = (int)space2->extent.rank - 1;
+
+ /* Recall that space1_rank >= space2_rank.
+ *
+ * In the following while loop, we test to see if space1 and space2
+ * have identical size in all dimensions they have in common.
+ */
+ while(space2_dim >= 0) {
+ if(space1->extent.size[space1_dim] != space2->extent.size[space2_dim])
+ HGOTO_DONE(FALSE)
+
+ space1_dim--;
+ space2_dim--;
+ } /* end while */
+
+ /* Since we are selecting the entire space, we must also verify that space1
+ * has size 1 in all dimensions that it does not share with space2.
+ */
+ while(space1_dim >= 0) {
+ if(space1->extent.size[space1_dim] != 1)
+ HGOTO_DONE(FALSE)
+
+ space1_dim--;
+ } /* end while */
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5S__all_shape_same() */
+
+
+/*--------------------------------------------------------------------------
+ NAME
H5S__all_adjust_u
PURPOSE
Adjust an "all" selection by subtracting an offset
generated by cgit v0.12 at 2024-07-07 22:53:44 (GMT)