Commit fa0e133f authored by Jakub Klinkovský's avatar Jakub Klinkovský
Browse files

Switched to unqualified calls to min/max functions in VerticalOperations.h to... 

Switched to unqualified calls to min/max functions in VerticalOperations.h to support argument-dependent lookup
parent 6d72ec7f

src/TNL/Containers/Expressions/VerticalOperations.h

+12 −2
Original line number Diff line number Diff line
@@ -35,7 +35,12 @@ auto ExpressionMin( const Expression& expression ) 


   const auto view = expression.getConstView();

   auto fetch = [=] __cuda_callable__ ( IndexType i ) { return view[ i ]; };

   auto reduction = [] __cuda_callable__ ( const ResultType& a, const ResultType& b ) { return TNL::min( a, b ); };

   auto reduction = [] __cuda_callable__ ( const ResultType& a, const ResultType& b )

   {

      // use argument-dependent lookup and make TNL::min available for unqualified calls

      using TNL::min;

      return min( a, b );

   };

   static_assert( std::numeric_limits< ResultType >::is_specialized,

                  "std::numeric_limits is not specialized for the reduction's result type" );

   return Algorithms::Reduction< typename Expression::DeviceType >::reduce( ( IndexType ) 0, expression.getSize(), reduction, fetch, std::numeric_limits< ResultType >::max() );
@@ -72,7 +77,12 @@ auto ExpressionMax( const Expression& expression ) 


   const auto view = expression.getConstView();

   auto fetch = [=] __cuda_callable__ ( IndexType i ) { return view[ i ]; };

   auto reduction = [] __cuda_callable__ ( const ResultType& a, const ResultType& b ) { return TNL::max( a, b ); };

   auto reduction = [] __cuda_callable__ ( const ResultType& a, const ResultType& b )

   {

      // use argument-dependent lookup and make TNL::max available for unqualified calls

      using TNL::max;

      return max( a, b );

   };

   static_assert( std::numeric_limits< ResultType >::is_specialized,

                  "std::numeric_limits is not specialized for the reduction's result type" );

   return Algorithms::Reduction< typename Expression::DeviceType >::reduce( ( IndexType ) 0, expression.getSize(), reduction, fetch, std::numeric_limits< ResultType >::lowest() );