Patch for issue #692

dash/include/dash/Pattern.h

@@ -48,7 +48,8 @@ namespace dash {
  * <tt>index</tt>           | <tt>global</tt>            | <tt>unit u, index li</tt>       | Local offset <i>li</i> of unit <i>u</i> to global index                                                    |
  * <tt>index</tt>           | <tt>global</tt>            | <tt>index li</tt>               | Local offset <i>li</i> of active unit to global index                                                      |
  * <b>blocks</b>            | &nbsp;                     | &nbsp;                          | &nbsp;                                                                                                     |
- * <tt>size[d]</tt>         | <tt>blockspec</tt>         | &nbsp;                          | Number of blocks in all dimensions.                                                                        |
+ * <tt>size[d]</tt>         | <tt>blockspec</tt>         | &nbsp;                          | Number of blocks in all dimensions.                                          |
+ * <tt>size[d]</tt>         | <tt>local_blockspec</tt>   | &nbsp;                          | Number of local blocks in all dimensions.                                                                          |
  * <tt>index</tt>           | <tt>block_at</tt>          | <tt>index[d] gp</tt>            | Global index of block at global coordinates <i>gp</i>                                                      |
  * <tt>viewspec</tt>        | <tt>block</tt>             | <tt>index gbi</tt>              | Offset and extent in global cartesian space of block at global block index <i>gbi</i>                      |
  * <tt>viewspec</tt>        | <tt>local_block</tt>       | <tt>index lbi</tt>              | Offset and extent in global cartesian space of block at local block index <i>lbi</i>                       |

dash/include/dash/io/hdf5/StorageDriver.h

@@ -361,9 +361,9 @@ class StoreHDF {
       }
     } else {
       // Auto deduce pattern
-      const pattern_t pattern(dash::SizeSpec<ndim>(size_extents),
+      const pattern_t pattern(dash::SizeSpec<ndim, typename pattern_t::size_type>(size_extents),
                               dash::DistributionSpec<ndim>(),
-                              dash::TeamSpec<ndim>(), dash::Team::All());
+                              dash::TeamSpec<ndim, typename pattern_t::index_type>(), dash::Team::All());
 
       matrix.allocate(pattern);
     }
@@ -698,9 +698,9 @@ class StoreHDF {
     }
     DASH_LOG_DEBUG("Created pattern according to metadata");
 
-    const pattern_t pattern(dash::SizeSpec<ndim>(size_extents),
+    const pattern_t pattern(dash::SizeSpec<ndim, typename pattern_t::size_type>(size_extents),
                             dash::DistributionSpec<ndim>(dist_extents),
-                            dash::TeamSpec<ndim>(team_extents),
+                            dash::TeamSpec<ndim, typename pattern_t::index_type>(team_extents),
                             dash::Team::All());
 
     // Allocate DASH Matrix

dash/include/dash/pattern/ShiftTilePattern1D.h

@@ -916,9 +916,9 @@ class ShiftTilePattern<1, Arrangement, IndexType>
   }
 
   /**
-   * Cartesian arrangement of pattern blocks.
+   * Cartesian arrangement of local pattern blocks.
    */
-  const BlockSpec_t & local_blockspec() const
+  const BlockSpec_t local_blockspec() const
   {
     return BlockSpec_t(_nlblocks);
   }

dash/include/dash/pattern/TilePattern.h

@@ -1295,7 +1295,7 @@ class TilePattern
   }
 
   /**
-   * Cartesian arrangement of pattern blocks.
+   * Cartesian arrangement of local pattern blocks.
    */
   constexpr const BlockSpec_t & local_blockspec() const
   {

dash/include/dash/pattern/TilePattern1D.h

@@ -796,9 +796,15 @@ class TilePattern<1, Arrangement, IndexType>
    * Cartesian arrangement of pattern blocks.
    */
   constexpr BlockSpec_t blockspec() const {
-    return BlockSpec_t({ dash::math::div_ceil(_size, _blocksize) });
+    return BlockSpec_t({ _nblocks });
   }
 
+  /**
+   * Cartesian arrangement of local pattern blocks.
+   */
+  constexpr BlockSpec_t local_blockspec() const {
+    return BlockSpec_t({ _nlblocks });
+  }
   /**
    * Index of block at given global coordinates.
    *

dash/test/pattern/TilePatternTest.cc

@@ -300,3 +300,18 @@ TEST_F(TilePatternTest, Tile4Dim)
     }
   }
 }
+
+TEST_F(TilePatternTest, TileFunctionalCheck)
+{
+  const size_t dims = 1; 
+  using pattern_t = typename dash::TilePattern<dims, dash::ROW_MAJOR, long>;
+  using IndexType = typename pattern_t::index_type;
+
+  // create simple TilePattern 1D BLOCKED for functional checks, now the test just checks for issue 692, unfinished
+  size_t array_size = 100;
+  pattern_t pattern(array_size, dash::BLOCKED);
+
+  // tested local_blockspec()
+  const auto &lblockspec = pattern.local_blockspec();
+  ASSERT_EQ_U(dims, lblockspec.size());
+}