text: /*
  //@HEADER
  // ************************************************************************
  //
  //                        Kokkos v. 2.0
  //              Copyright (2014) Sandia Corporation
  //
  // Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
  // the U.S. Government retains certain rights in this software.
  //
  // Redistribution and use in source and binary forms, with or without
  // modification, are permitted provided that the following conditions are
  // met:
  //
  // 1. Redistributions of source code must retain the above copyright
  // notice, this list of conditions and the following disclaimer.
  //
  // 2. Redistributions in binary form must reproduce the above copyright
  // notice, this list of conditions and the following disclaimer in the
  // documentation and/or other materials provided with the distribution.
  //
  // 3. Neither the name of the Corporation nor the names of the
  // contributors may be used to endorse or promote products derived from
  // this software without specific prior written permission.
  //
  // THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
  // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
  // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  //
  // Questions? Contact Christian R. Trott (crtrott@sandia.gov)
  //
  // ************************************************************************
  //@HEADER
  */
  
  // Experimental unified task-data parallel manycore LDRD
  
  #ifndef KOKKOS_IMPL_TASKRESULT_HPP
  #define KOKKOS_IMPL_TASKRESULT_HPP
  
  #include <Kokkos_Macros.hpp>
  #if defined( KOKKOS_ENABLE_TASKDAG )
  
  #include <Kokkos_TaskScheduler_fwd.hpp>
  #include <Kokkos_Core_fwd.hpp>
  
  #include <impl/Kokkos_TaskBase.hpp>
  #include <impl/Kokkos_TaskNode.hpp>
  
  #include <string>
  #include <typeinfo>
  #include <stdexcept>
  
  //----------------------------------------------------------------------------
  //----------------------------------------------------------------------------
  
  namespace Kokkos {
  namespace Impl {
  
  template< typename ResultType >
  struct TaskResult {
  
    enum : int32_t { size = sizeof(ResultType) };
  
    using reference_type = ResultType & ;
  
    template <class CountType>
    KOKKOS_INLINE_FUNCTION static
    ResultType * ptr( PoolAllocatedObjectBase<CountType>* task )
    {
      return reinterpret_cast< ResultType * >
      ( reinterpret_cast< char * >(task) + task->get_allocation_size() - sizeof(ResultType) );
    }
  
    KOKKOS_INLINE_FUNCTION static
    ResultType * ptr( TaskBase* task )
      {
        return reinterpret_cast< ResultType * >
          ( reinterpret_cast< char * >(task) + task->m_alloc_size - sizeof(ResultType) );
      }
  
    KOKKOS_INLINE_FUNCTION static
    reference_type get( TaskBase* task )
      { return *ptr( task ); }
  
    template <class TaskQueueTraits>
    KOKKOS_INLINE_FUNCTION static
    reference_type get( TaskNode<TaskQueueTraits>* task )
    { return *ptr( task ); }
  
    KOKKOS_INLINE_FUNCTION static
    void destroy( TaskBase* task )
      { get(task).~ResultType(); }
  
  
    //template <class TaskQueueTraits>
    //KOKKOS_INLINE_FUNCTION static
    //void destroy( TaskNode<TaskQueueTraits>* task )
    //{ get(task).~ResultType(); }
  };
  
  template<>
  struct TaskResult< void > {
  
    enum : int32_t { size = 0 };
  
    using reference_type = void ;
  
    template <class TaskQueueTraits>
    KOKKOS_INLINE_FUNCTION static
    void* ptr( TaskNode<TaskQueueTraits>* task )
    { return nullptr; }
  
    KOKKOS_INLINE_FUNCTION static
    void * ptr( TaskBase* ) { return (void*) nullptr ; }
  
    template <class TaskQueueTraits>
    KOKKOS_INLINE_FUNCTION static
    reference_type get( TaskNode<TaskQueueTraits>* task )
    { /* Should never be called */ }
  
    KOKKOS_INLINE_FUNCTION static
    reference_type get( TaskBase* ) {}
  
    KOKKOS_INLINE_FUNCTION static
    void destroy( TaskBase* task )
      { }
  
    //template <class TaskQueueTraits>
    //KOKKOS_INLINE_FUNCTION static
    //void destroy( TaskNode<TaskQueueTraits>* task )
    //{ }
  };
  
  } /* namespace Impl */
  } /* namespace Kokkos */
  
  //----------------------------------------------------------------------------
  //----------------------------------------------------------------------------
  
  #endif /* #if defined( KOKKOS_ENABLE_TASKDAG ) */
  #endif /* #ifndef KOKKOS_IMPL_TASKRESULT_HPP */
  
  