Add conversions from int_u to float and double.

	* mln/convert/from_to.hxx,
	* mln/value/int_u.hh: Here.

milena/ChangeLog

+2010-11-15  Guillaume Lazzara  <z@lrde.epita.fr>
+
+	Add conversions from int_u to float and double.
+
+	* mln/convert/from_to.hxx,
+	* mln/value/int_u.hh: Here.
+
 2010-11-15  Guillaume Lazzara  <z@lrde.epita.fr>
 	* mln/convert/from_to.hh: Make use of value::cast for conversions

milena/mln/convert/from_to.hxx

-// Copyright (C) 2008, 2009 EPITA Research and Development Laboratory (LRDE)
+// Copyright (C) 2008, 2009, 2010 EPITA Research and Development
+// Laboratory (LRDE)
 //
 // This file is part of Olena.
 //
@@ -202,6 +203,14 @@ namespace mln
       void
       from_to_(const value::int_u<n>& from, bool& to_);
 
+      // int_u -> float
+      template <unsigned n>
+      void from_to_(const value::int_u<n>& from, float& to_);
+
+      // int_u -> double
+      template <unsigned n>
+      void from_to_(const value::int_u<n>& from, double& to_);
+
       // label -> int_u.
       template <unsigned n>
       void

milena/mln/value/int_u.hh

@@ -128,6 +128,18 @@ namespace mln
       from_to_(const value::int_u<n>& from, bool& to_);
 
 
+      // int_u -> float.
+      template <unsigned n>
+      void
+      from_to_(const value::int_u<n>& from, float& to_);
+
+
+      // int_u -> double.
+      template <unsigned n>
+      void
+      from_to_(const value::int_u<n>& from, double& to_);
+
+
     } // end of namespace mln::convert::over_load
 
   } // end of namespace mln::convert
@@ -232,6 +244,24 @@ namespace mln
 	to_ = (from != 0u);
       }
 
+      // int_u -> float.
+      template <unsigned n>
+      inline
+      void
+      from_to_(const value::int_u<n>& from, float& to_)
+      {
+	to_ = static_cast<float>(from);
+      }
+
+      // int_u -> double.
+      template <unsigned n>
+      inline
+      void
+      from_to_(const value::int_u<n>& from, double& to_)
+      {
+	to_ = static_cast<double>(from);
+      }
+
 
     } // end of namespace mln::convert::over_load