From 42dafd9fa725a232be82f15a53e5ae0520d7bfc1 Mon Sep 17 00:00:00 2001
From: astrojhgu <astrojhgu@ed2142bd-67ad-457f-ba7c-d818d4011675>
Date: Mon, 7 Feb 2011 18:10:20 +0000
Subject: git-svn-id: file:///home/svn/opt_utilities@172
 ed2142bd-67ad-457f-ba7c-d818d4011675

---
 interface/pymodel.hpp | 46 +++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 45 insertions(+), 1 deletion(-)

diff --git a/interface/pymodel.hpp b/interface/pymodel.hpp
index 8a55839..8165d6d 100644
--- a/interface/pymodel.hpp
+++ b/interface/pymodel.hpp
@@ -16,6 +16,50 @@
 namespace opt_utilities
 {
 
+  template<typename T>
+  boost::python::object convert_to_object(const T& x)
+  {
+    boost::python::list result;
+    for(size_t i=0;i<get_size(x);++i)
+      {
+	result.append(get_element(x,i));
+      }
+    return result;
+  }
+
+  static inline boost::python::object convert_to_object(double x)
+  {
+    return boost::python::object(x);
+  }
+
+  static inline boost::python::object convert_to_object(float x)
+  {
+    return boost::python::object(x);
+  }
+
+  
+  template <typename T>
+  T convert_from_object(const boost::python::object& o,const T&)
+  {
+    T result(boost::python::len(o));
+    for(int i=0;i<get_size(result);++i)
+      {
+	result[i]=boost::python::extract<typename element_type_trait<T>::element_type>(o[i]);
+      }
+    return result;
+  }
+
+  static inline double convert_from_object(const boost::python::object& o,double)
+  {
+    return boost::python::extract<double>(o);
+  }
+  
+  static inline double convert_from_object(const boost::python::object& o,float)
+  {
+    return boost::python::extract<double>(o);
+  }
+
+
   template <typename Ty,typename Tx,typename Tp>
   class pymodel
     :public model<Ty,Tx,Tp,std::string>
@@ -100,7 +144,7 @@ namespace opt_utilities
 	{
 	  args.append(get_element(p,i));
 	}
-      return boost::python::extract<Ty>(pyfunc(x,args));
+      return convert_from_object(pyfunc(convert_to_object(x),args),x);
     }
 
     const char* do_get_type_name()const
-- 
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