From 7bc8214fec0348d2dfdaa6c8bd80bf0c6ab4e87a Mon Sep 17 00:00:00 2001
From: ralfulrich <ralf.ulrich@kit.edu>
Date: Tue, 2 Apr 2019 11:33:18 +0200
Subject: [PATCH] some extra comments
---
Setup/SetupStack.h | 37 +++++++++++++++++++++++++++++++++++--
1 file changed, 35 insertions(+), 2 deletions(-)
diff --git a/Setup/SetupStack.h b/Setup/SetupStack.h
index dfcfa757d..2dde8fb4f 100644
--- a/Setup/SetupStack.h
+++ b/Setup/SetupStack.h
@@ -29,6 +29,12 @@
// definition of stack-data object to store geometry information
template <typename TEnvType>
+
+/**
+ * @class GeometryData
+ *
+ * definition of stack-data object to store geometry information
+ */
class GeometryData {
public:
@@ -57,8 +63,12 @@ private:
std::vector<const BaseNodeType*> fNode;
};
-// defintion of a stack-readout object, the iteractor dereference
-// operator will deliver access to these function
+/**
+ * @class GeometryDataInterface
+ *
+ * corresponding defintion of a stack-readout object, the iteractor
+ * dereference operator will deliver access to these function
+ */
template <typename T, typename TEnvType>
class GeometryDataInterface : public T {
@@ -120,6 +130,29 @@ namespace corsika::setup {
// this is the REAL stack we use:
using Stack = detail::StackWithGeometry;
+ /*
+ See Issue 161
+
+ unfortunately clang does not support this in the same way (yet) as
+ gcc, so we have to distinguish here. If clang cataches up, we
+ could remove the clang branch here and also in
+ corsika::Cascade. The gcc code is much more generic and
+ universal. If we could do the gcc version, we won't had to define
+ StackView globally, we could do it with MakeView whereever it is
+ actually needed. Keep an eye on this!
+ */
+#if defined(__clang__)
+ using StackView =
+ corsika::stack::SecondaryView<typename corsika::setup::Stack::StackImpl,
+ corsika::setup::detail::StackWithGeometryInterface>;
+#elif defined(__GNUC__) || defined(__GNUG__)
+ template <typename S, template <typename> typename _PIType = S::template PIType>
+ struct MakeView {
+ using type = corsika::stack::SecondaryView<typename S::StackImpl, _PIType>;
+ };
+ using StackView = MakeView<corsika::setup::Stack>::type;
+#endif
+
} // namespace corsika::setup
#endif
--
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