Merge branch 'issue/fold_expressions' into 'develop'

changed compiler feature detection name for fold expressions

See merge request spraetor/dune-amdis!82

cmake/modules/AMDiSCXXFeatures.cmake

@@ -13,7 +13,7 @@ check_cxx_source_compiles("
   {
     f(0,1,2,3,4,5);
   }
-"  AMDIS_HAS_CXX_FOLD_EXPRESSION
+"  AMDIS_HAS_CXX_FOLD_EXPRESSIONS
 )
 
 check_cxx_source_compiles("

src/amdis/common/Math.hpp

@@ -47,7 +47,6 @@ namespace AMDiS
       return a < b ? a : b;
     }
 
-#ifndef AMDIS_HAS_CXX_FOLD_EXPRESSIONS
     template <class T0>
     constexpr T0 min(T0 a)
     {
@@ -59,14 +58,6 @@ namespace AMDiS
     {
       return min(a, min(ts...));
     }
-#else
-    template <class T0, class... Ts>
-    constexpr auto min(T0 a, Ts... ts)
-    {
-      std::common_type_t<T0,Ts...> result = a;
-      return (result = min(result, ts), ...);
-    }
-#endif
 
     /// @}
 
@@ -80,7 +71,6 @@ namespace AMDiS
       return a < b ? b : a;
     }
 
-#ifndef AMDIS_HAS_CXX_FOLD_EXPRESSIONS
     template <class T0>
     constexpr T0 max(T0 a)
     {
@@ -92,14 +82,6 @@ namespace AMDiS
     {
       return max(a, max(ts...));
     }
-#else
-    template <class T0, class... Ts>
-    constexpr auto max(T0 a, Ts... ts)
-    {
-      std::common_type_t<T0,Ts...> result = a;
-      return (result = max(result, ts), ...);
-    }
-#endif
 
     /// @}