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-rw-r--r--src/H5Snone.c51
1 files changed, 45 insertions, 6 deletions
diff --git a/src/H5Snone.c b/src/H5Snone.c
index 9d64e9d..c262d18 100644
--- a/src/H5Snone.c
+++ b/src/H5Snone.c
@@ -28,11 +28,11 @@
/***********/
/* Headers */
/***********/
-#include "H5private.h" /* Generic Functions */
-#include "H5Eprivate.h" /* Error handling */
-#include "H5Iprivate.h" /* ID Functions */
-#include "H5Spkg.h" /* Dataspace functions */
-#include "H5VMprivate.h" /* Vector functions */
+#include "H5private.h" /* Generic Functions */
+#include "H5Eprivate.h" /* Error handling */
+#include "H5Iprivate.h" /* ID Functions */
+#include "H5Spkg.h" /* Dataspace functions */
+#include "H5VMprivate.h" /* Vector functions */
/****************/
@@ -63,9 +63,12 @@ static htri_t H5S__none_is_contiguous(const H5S_t *space);
static htri_t H5S__none_is_single(const H5S_t *space);
static htri_t H5S__none_is_regular(const H5S_t *space);
static htri_t H5S__none_shape_same(const H5S_t *space1, const H5S_t *space2);
+static htri_t H5S__none_intersect_block(const H5S_t *space, const hsize_t *start,
+ const hsize_t *end);
static herr_t H5S__none_adjust_u(H5S_t *space, const hsize_t *offset);
static herr_t H5S__none_project_scalar(const H5S_t *space, hsize_t *offset);
-static herr_t H5S__none_project_simple(const H5S_t *space, H5S_t *new_space, hsize_t *offset);
+static herr_t H5S__none_project_simple(const H5S_t *space, H5S_t *new_space,
+ hsize_t *offset);
static herr_t H5S__none_iter_init(const H5S_t *space, H5S_sel_iter_t *iter);
/* Selection iteration callbacks */
@@ -108,6 +111,7 @@ const H5S_select_class_t H5S_sel_none[1] = {{
H5S__none_is_single,
H5S__none_is_regular,
H5S__none_shape_same,
+ H5S__none_intersect_block,
H5S__none_adjust_u,
H5S__none_project_scalar,
H5S__none_project_simple,
@@ -886,6 +890,41 @@ H5S__none_shape_same(const H5S_t H5_ATTR_UNUSED *space1,
/*--------------------------------------------------------------------------
NAME
+ H5S__none_intersect_block
+ PURPOSE
+ Detect intersections of selection with block
+ USAGE
+ htri_t H5S__none_intersect_block(space, start, end)
+ const H5S_t *space; IN: Dataspace with selection to use
+ const hsize_t *start; IN: Starting coordinate for block
+ const hsize_t *end; IN: Ending coordinate for block
+ RETURNS
+ Non-negative TRUE / FALSE on success, negative on failure
+ DESCRIPTION
+ Quickly detect intersections with a block
+ GLOBAL VARIABLES
+ COMMENTS, BUGS, ASSUMPTIONS
+ EXAMPLES
+ REVISION LOG
+--------------------------------------------------------------------------*/
+htri_t
+H5S__none_intersect_block(const H5S_t H5_ATTR_UNUSED *space,
+ const hsize_t H5_ATTR_UNUSED *start, const hsize_t H5_ATTR_UNUSED *end)
+{
+ FUNC_ENTER_STATIC_NOERR
+
+ /* Sanity check */
+ HDassert(space);
+ HDassert(H5S_SEL_NONE == H5S_GET_SELECT_TYPE(space));
+ HDassert(start);
+ HDassert(end);
+
+ FUNC_LEAVE_NOAPI(FALSE)
+} /* end H5S__none_intersect_block() */
+
+
+/*--------------------------------------------------------------------------
+ NAME
H5S__none_adjust_u
PURPOSE
Adjust an "none" selection by subtracting an offset