[svn-r29722] Description:

    Bring over more dataset tests from the revise_chunks branch.

Tested on:
    MacOSX/64 10.11.4 (amazon) w/serial, parallel & production
    (h5committest forthcoming)

1 files changed, 17 insertions, 0 deletions

diff --git a/src/H5VMprivate.h b/src/H5VMprivate.h
index f402b36..cbe108a 100644
--- a/src/H5VMprivate.h
+++ b/src/H5VMprivate.h
@@ -65,6 +65,23 @@ typedef herr_t (*H5VM_opvv_func_t)(hsize_t dst_off, hsize_t src_off,
     } /* end if */                                                             \
 }
 
+/* Given a coordinate offset array (COORDS) of type TYPE, move the value at
+ * offset 0 to offset of the unlimied dimension (UNLIM_DIM), sliding any
+ * intermediate values up one position.  Undoes the "swizzle_coords" operation.
+ */
+#define H5VM_unswizzle_coords(TYPE,COORDS,UNLIM_DIM) {                          \
+    /* COORDS must be an array of type TYPE */                                 \
+    HDassert(sizeof(COORDS[0]) == sizeof(TYPE));                               \
+                                                                               \
+    /* Nothing to do when unlimited dimension is at position 0 */              \
+    if(0 != (UNLIM_DIM)) {                                                     \
+        TYPE _tmp = (COORDS)[0];                                               \
+                                                                               \
+        HDmemmove(&(COORDS)[0], &(COORDS)[1], sizeof(TYPE) * (UNLIM_DIM));     \
+        (COORDS)[UNLIM_DIM] = _tmp;                                            \
+    } /* end if */                                                             \
+}
+
 /* A null pointer is equivalent to a zero vector */
 #define H5VM_ZERO        NULL