From 11c641b03883941f4de627c170ab28d97e6d8fcc Mon Sep 17 00:00:00 2001
From: Joachim Schoeberl <joachim.schoeberl@tuwien.ac.at>
Date: Wed, 8 Oct 2014 14:09:03 +0000
Subject: [PATCH] ngpython

---
 libsrc/csg/python_csg.cpp   | 28 +-------------------------
 libsrc/general/ngpython.hpp | 40 +++++++++++++++++++++++++++++++++++++
 2 files changed, 41 insertions(+), 27 deletions(-)
 create mode 100644 libsrc/general/ngpython.hpp

diff --git a/libsrc/csg/python_csg.cpp b/libsrc/csg/python_csg.cpp
index aa253320..bb27b4eb 100644
--- a/libsrc/csg/python_csg.cpp
+++ b/libsrc/csg/python_csg.cpp
@@ -1,39 +1,13 @@
 #ifdef NG_PYTHON
 
-#include <boost/python.hpp>
+#include <../general/ngpython.hpp>
 #include <csg.hpp>
 
 
 using namespace netgen;
-namespace bp = boost::python;
 
 
-//////////////////////////////////////////////////////////////////////
-// Lambda to function pointer conversion
-template <typename Function>
-struct function_traits
-  : public function_traits<decltype(&Function::operator())> {};
 
-template <typename ClassType, typename ReturnType, typename... Args>
-struct function_traits<ReturnType(ClassType::*)(Args...) const> {
-  typedef ReturnType (*pointer)(Args...);
-  typedef ReturnType return_type;
-};
-
-template <typename Function>
-typename function_traits<Function>::pointer
-FunctionPointer (const Function& lambda) {
-  return static_cast<typename function_traits<Function>::pointer>(lambda);
-}
-
-
-template <class T>
-inline string ToString (const T& t)
-{
-  stringstream ss;
-  ss << t;
-  return ss.str();
-}
 
 // a shadow solid tree using shared pointers.
 
diff --git a/libsrc/general/ngpython.hpp b/libsrc/general/ngpython.hpp
new file mode 100644
index 00000000..12b31cec
--- /dev/null
+++ b/libsrc/general/ngpython.hpp
@@ -0,0 +1,40 @@
+#ifdef NG_PYTHON
+
+#include <boost/python.hpp>
+namespace bp = boost::python;
+
+
+namespace netgen
+{
+
+  //////////////////////////////////////////////////////////////////////
+  // Lambda to function pointer conversion
+  template <typename Function>
+  struct function_traits
+    : public function_traits<decltype(&Function::operator())> {};
+
+  template <typename ClassType, typename ReturnType, typename... Args>
+  struct function_traits<ReturnType(ClassType::*)(Args...) const> {
+    typedef ReturnType (*pointer)(Args...);
+    typedef ReturnType return_type;
+  };
+
+  template <typename Function>
+  typename function_traits<Function>::pointer
+  FunctionPointer (const Function& lambda) {
+    return static_cast<typename function_traits<Function>::pointer>(lambda);
+  }
+
+
+  template <class T>
+  inline std::string ToString (const T& t)
+  {
+    std::stringstream ss;
+    ss << t;
+    return ss.str();
+  }
+
+}
+
+#endif
+