yrange()/mrange(): add xpl version

src/include/ranges/mrange.cc.h

@@ -807,6 +807,12 @@ namespace CNORXZ
     {
 	return MRangeFactory<Ranges...>(std::make_tuple(rs...)).create();
     }
+
+    template <class... Ranges>
+    Sptr<MRange<Ranges...>> xplMrange(const Sptr<Ranges>&... rs)
+    {
+	return std::dynamic_pointer_cast<MRange<Ranges...>>( mrange( rs... ) );
+    }
     
     template <class... Ranges>
     Sptr<MRange<Ranges...>> RangeCast<MRange<Ranges...>>::func(const RangePtr& r)

src/include/ranges/mrange.h

@@ -405,6 +405,12 @@ namespace CNORXZ
     template <class... Ranges>
     RangePtr mrange(const Sptr<Ranges>&... rs);
 
+    /** Create MRange pointer.
+	@param rs Pointer to sub-ranges. 
+     */
+    template <class... Ranges>
+    Sptr<MRange<Ranges...>> xplMrange(const Sptr<Ranges>&... rs);
+
     /** ****
 	Specialization of RangeCast for MRange.
 	@see RangeCast.

src/include/ranges/yrange.h

@@ -343,6 +343,12 @@ namespace CNORXZ
      */
     RangePtr yrange(const Vector<RangePtr>& rs);
 
+    /** Create YRange from sub-ranges.
+	@param rs Vector of pointers to the sub-ranges used by the YRange.
+	@return A shared pointer to the created YRange.
+     */
+    Sptr<YRange> xplYrange(const Vector<RangePtr>& rs);
+
     /** ****
 	Specialize RangeCast for casts to YRange.
 	@see RangeCast

src/lib/ranges/yrange.cc

@@ -668,6 +668,11 @@ namespace CNORXZ
 	return YRangeFactory(rs).create();
     }
 
+    Sptr<YRange> xplYrange(const Vector<RangePtr>& rs)
+    {
+	return std::dynamic_pointer_cast<YRange>( yrange( rs ) );
+    }
+
     /*=================+
      |   Range Casts   |
      +=================*/

src/opt/mpi/include/rrange.cc.h

@@ -441,7 +441,7 @@ namespace CNORXZ
 		auto mr = ifor<0,N>( [&](auto mu) {
 		    return split( global->space()[CSizeT<mu>{}], geom->space()[CSizeT<mu>{}] );
 		}, [](const auto&... r) { return xplMrange(r,...); } );
-		typedef std::remove_reference<decltype(mr)>::type RangeI;
+		typedef std::remove_reference<decltype(*mr)>::type RangeI;
 		return RRangeFactory<RangeI,RangeK>(mr, geom).create(); // explicit range type!!!
 	    }
 	    // other cases!!!