#ifdef NG_PYTHON #include <pybind11/pybind11.h> #include <pybind11/operators.h> namespace py = pybind11; #include <iostream> #include <sstream> namespace PYBIND11_NAMESPACE { template<typename T> bool CheckCast( py::handle obj ) { try{ obj.cast<T>(); return true; } catch (py::cast_error &e) { return false; } } template <typename T> struct extract { py::handle obj; extract( py::handle aobj ) : obj(aobj) {} bool check() { return CheckCast<T>(obj); } T operator()() { return obj.cast<T>(); } }; } struct NGDummyArgument {}; inline void NOOP_Deleter(void *) { ; } 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