Add more from_to overloards.

	* mln/convert/impl/from_unsigned_to_value.hh,
	* mln/value/label.hh: Here.

milena/ChangeLog

+2011-03-14  Guillaume Lazzara  <z@lrde.epita.fr>
+
+	Add more from_to overloards.
+
+	* mln/convert/impl/from_unsigned_to_value.hh,
+	* mln/value/label.hh: Here.
+
 2011-03-01  Guillaume Lazzara  <z@lrde.epita.fr>
 	* mln/labeling/fill_holes.hh: Improve speed.

milena/mln/convert/impl/from_unsigned_to_value.hh

-// Copyright (C) 2009, 2010 EPITA Research and Development Laboratory
-// (LRDE)
+// Copyright (C) 2009, 2010, 2011 EPITA Research and Development
+// Laboratory (LRDE)
 //
 // This file is part of Olena.
 //
@@ -48,11 +48,15 @@ namespace mln
   namespace convert
   {
 
-      /// Conversion of an unsigned \p from towards a value \p to.
-      template <typename V>
-      void
-      from_to(const unsigned& from, Value<V>& to);
+    /// Conversion of an unsigned \p from towards a value \p to.
+    template <typename V>
+    void
+    from_to(const unsigned& from, Value<V>& to);
 
+      /// Conversion of an unsigned \p from towards a bool \p to.
+    inline
+    void
+    from_to_(const unsigned& from, bool& to);
 
 # ifndef MLN_INCLUDE_ONLY
 
@@ -120,6 +124,16 @@ namespace mln
 	}
 
 
+	// Facades.
+	// unsigned-> bool
+	inline
+	void
+	from_to_(const unsigned& from, bool& to)
+	{
+	  to = (from != 0u);
+	}
+
+
       } // end of namespace mln::convert::over_load
 
 

milena/mln/value/label.hh

-// Copyright (C) 2007, 2008, 2009, 2010 EPITA Research and Development
-// Laboratory (LRDE)
+// Copyright (C) 2007, 2008, 2009, 2010, 2011 EPITA Research and
+// Development Laboratory (LRDE)
 //
 // This file is part of Olena.
 //
@@ -119,6 +119,11 @@ namespace mln
       void
       from_to_(const value::label<n>& from, bool& to_);
 
+      // label -> unsigned.
+      template <unsigned n>
+      void
+      from_to_(const value::label<n>& from, unsigned& to_);
+
     } // end of namespace mln::convert::over_load
 
   } // end of namespace mln::convert
@@ -233,6 +238,7 @@ namespace mln
 	to_ = from;
       }
 
+      // int_u<n> -> bool
       template <unsigned n>
       inline
       void
@@ -241,6 +247,16 @@ namespace mln
 	to_ = (from != 0u);
       }
 
+      // int_u<n> -> unsigned
+      template <unsigned n>
+      inline
+      void
+      from_to_(const value::label<n>& from, unsigned& to_)
+      {
+	to_ = from;
+      }
+
+
     } // end of namespace mln::convert::over_load
 
   } // end of namespace mln::convert