Removed the test for non-type-template-parameters (NTTP) in source code.

If the compiler does not support NTTP, an error is thrown now in `Macros,h`.
cpp977 · Feb 3, 2024 · 127b753 · 127b753
1 parent f1ea42a
commit 127b753
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Showing 4 changed files with 4 additions and 6 deletions.
diff --git a/include/Xped/AD/ADTensor.hpp b/include/Xped/AD/ADTensor.hpp
@@ -190,7 +190,6 @@ class Tensor<Scalar_, Rank, CoRank, Symmetry_, true, AllocationPolicy_>
         return permute<shift, p...>(Bool<TRACK>{});
     }
 
-#if XPED_HAS_NTTP
     template <auto a1,
               auto a2,
               std::size_t ResRank,
@@ -218,7 +217,6 @@ class Tensor<Scalar_, Rank, CoRank, Symmetry_, true, AllocationPolicy_>
                                 other.template permute<shift2>(util::constFct::as_sequence<p2>(), Bool<TRACK>{}))
             .template permute<shiftres>(util::constFct::as_sequence<pres>(), Bool<TRACK>{});
     }
-#endif
 
     template <bool TRACK = true>
     std::tuple<XTensor<TRACK, Scalar, Rank, 1, Symmetry, AllocationPolicy>,

diff --git a/include/Xped/Core/Tensor.hpp b/include/Xped/Core/Tensor.hpp
@@ -321,7 +321,6 @@ class Tensor<Scalar_, Rank, CoRank, Symmetry_, false, AllocationPolicy_>
     template <std::size_t... legs>
     Tensor<Scalar, Rank, CoRank, Symmetry, false, AllocationPolicy> shiftQN(std::array<qType, sizeof...(legs)> charges) const;
 
-#if XPED_HAS_NTTP
     template <auto a1,
               auto a2,
               std::size_t ResRank,
@@ -346,7 +345,6 @@ class Tensor<Scalar_, Rank, CoRank, Symmetry_, false, AllocationPolicy_>
                                 other.template permute<shift2>(util::constFct::as_sequence<p2>(), Bool<TRACK>{}))
             .template permute<shiftres>(util::constFct::as_sequence<pres>(), Bool<TRACK>{});
     }
-#endif
 
     std::tuple<Tensor<Scalar, Rank, 1, Symmetry, false, AllocationPolicy>,
                Tensor<RealScalar, 1, 1, Symmetry, false, AllocationPolicy>,

diff --git a/include/Xped/Util/Constfct.hpp b/include/Xped/Util/Constfct.hpp
@@ -52,7 +52,6 @@ inline constexpr int posmod(int x)
 
 inline constexpr int posmod(int x, int N) { return (x % N + N) % N; }
 
-#if XPED_HAS_NTTP
 template <auto a1, std::size_t rank1, auto a2, std::size_t rank2, std::size_t rankres>
 consteval auto get_permutations()
 {
@@ -121,6 +120,5 @@ auto as_sequence()
     return as_sequence_impl<A>(Indices{});
 }
 
-#endif
 } // namespace Xped::util::constFct
 #endif
diff --git a/include/Xped/Util/Macros.hpp b/include/Xped/Util/Macros.hpp
@@ -73,6 +73,10 @@ const std::string XPED_BLAS_STR = "None";
 #    endif
 #endif
 
+#ifndef XPED_HAS_NTTP
+#    error "Compiler has no non-type-template-parameter support"
+#endif
+
 #if __has_include("boost/functional/hash.hpp")
 #    define XPED_HAS_BOOST_HASH_COMBINE 1
 #endif