From 2222b5c8334838e6f78e5bafa7e64bcf7c391717 Mon Sep 17 00:00:00 2001
From: Simon Praetorius <simon.praetorius@tu-dresden.de>
Date: Wed, 8 May 2019 14:15:27 +0200
Subject: [PATCH] added some comments to switch cases
---
src/amdis/common/SwitchCases.hpp | 92 --------------------------------
1 file changed, 92 deletions(-)
diff --git a/src/amdis/common/SwitchCases.hpp b/src/amdis/common/SwitchCases.hpp
index 55a6c11b..ddcc4727 100644
--- a/src/amdis/common/SwitchCases.hpp
+++ b/src/amdis/common/SwitchCases.hpp
@@ -27,54 +27,6 @@ namespace AMDiS
return elseBranch(value);
}
- // specialization for the case value in {0}
- template <class Value, class Then, class Else>
- constexpr decltype(auto) switchCases(const Dune::StaticIntegralRange<std::size_t,1,0>& cases, const Value& value,
- Then&& thenBranch, Else&& elseBranch)
- {
- return std::size_t(value) == std::size_t(0) ? thenBranch(index_t<0>{}) : elseBranch();
- }
-
- // specialization for the case value in {0,1}
- template <class Value, class Then, class Else>
- constexpr decltype(auto) switchCases(const Dune::StaticIntegralRange<std::size_t,2,0>& cases, const Value& value,
- Then&& thenBranch, Else&& elseBranch)
- {
- switch (std::size_t(value)) {
- case 0u: return thenBranch(index_t<0>{});
- case 1u: return thenBranch(index_t<1>{});
- default: return elseBranch();
- }
- }
-
- // specialization for the case value in {0,1,2}
- template <class Value, class Then, class Else>
- constexpr decltype(auto) switchCases(const Dune::StaticIntegralRange<std::size_t,3,0>& cases, const Value& value,
- Then&& thenBranch, Else&& elseBranch)
- {
- switch (std::size_t(value)) {
- case 0u: return thenBranch(index_t<0>{});
- case 1u: return thenBranch(index_t<1>{});
- case 2u: return thenBranch(index_t<2>{});
- default: return elseBranch();
- }
- }
-
- // specialization for the case value in {0,1,2,3}
- template <class Value, class Then, class Else>
- constexpr decltype(auto) switchCases(const Dune::StaticIntegralRange<std::size_t,4,0>& cases, const Value& value,
- Then&& thenBranch, Else&& elseBranch)
- {
- switch (std::size_t(value)) {
- case 0u: return thenBranch(index_t<0>{});
- case 1u: return thenBranch(index_t<1>{});
- case 2u: return thenBranch(index_t<2>{});
- case 3u: return thenBranch(index_t<3>{});
- default: return elseBranch();
- }
- }
-
-
// static switching. Iterates over all possible values
template<class T, T to, T from, class Value, class Then>
constexpr void switchCases(const Dune::StaticIntegralRange<T,to,from>& cases, const Value& value, Then&& thenBranch)
@@ -91,48 +43,4 @@ namespace AMDiS
thenBranch(value);
}
- // specialization for the case value in {0}
- template <class Value, class Then, class Else>
- constexpr decltype(auto) switchCases(const Dune::StaticIntegralRange<std::size_t,1,0>& cases, const Value& value, Then&& thenBranch)
- {
- assert(std::size_t(value) < 1u);
- return thenBranch(index_t<0>{});
- }
-
- // specialization for the case value in {0,1}
- template <class Value, class Then, class Else>
- constexpr decltype(auto) switchCases(const Dune::StaticIntegralRange<std::size_t,2,0>& cases, const Value& value, Then&& thenBranch)
- {
- assert(std::size_t(value) < 2u);
- switch (std::size_t(value)) {
- case 0u: return thenBranch(index_t<0>{});
- default: return thenBranch(index_t<1>{});
- }
- }
-
- // specialization for the case value in {0,1,2}
- template <class Value, class Then, class Else>
- constexpr decltype(auto) switchCases(const Dune::StaticIntegralRange<std::size_t,3,0>& cases, const Value& value, Then&& thenBranch)
- {
- assert(std::size_t(value) < 3u);
- switch (std::size_t(value)) {
- case 0u: return thenBranch(index_t<0>{});
- case 1u: return thenBranch(index_t<1>{});
- default: return thenBranch(index_t<2>{});
- }
- }
-
- // specialization for the case value in {0,1,2,3}
- template <class Value, class Then, class Else>
- constexpr decltype(auto) switchCases(const Dune::StaticIntegralRange<std::size_t,4,0>& cases, const Value& value, Then&& thenBranch)
- {
- assert(std::size_t(value) < 3u);
- switch (std::size_t(value)) {
- case 0u: return thenBranch(index_t<0>{});
- case 1u: return thenBranch(index_t<1>{});
- case 2u: return thenBranch(index_t<2>{});
- default: return thenBranch(index_t<3>{});
- }
- }
-
} // end namespace AMDiS
--
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