git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@13583 f3b2605a-c512-4ea7-a41b-209d697bcdaa

lib/kokkos/core/unit_test/TestViewOfClass.hpp

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+/*
+//@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  H. Carter Edwards (hcedwar@sandia.gov)
+// 
+// ************************************************************************
+//@HEADER
+*/
+
+#include <gtest/gtest.h>
+
+#include <Kokkos_Core.hpp>
+#include <stdexcept>
+#include <sstream>
+#include <iostream>
+
+/*--------------------------------------------------------------------------*/
+
+namespace Test {
+
+namespace {
+volatile int nested_view_count ;
+}
+
+template< class Space >
+class NestedView {
+private:
+  Kokkos::View<int*,Space> member ;
+
+public:
+
+  KOKKOS_INLINE_FUNCTION
+  NestedView()
+#if defined( KOKKOS_ACTIVE_EXECUTION_MEMORY_SPACE_HOST )
+    : member("member",2)
+    { Kokkos::atomic_increment( & nested_view_count ); }
+#else
+    : member(){}
+#endif
+
+  ~NestedView()
+#if defined( KOKKOS_ACTIVE_EXECUTION_MEMORY_SPACE_HOST )
+    { Kokkos::atomic_decrement( & nested_view_count ); }
+#else
+    {}
+#endif
+
+};
+
+
+template< class Space >
+void view_nested_view()
+{
+  ASSERT_EQ( 0 , nested_view_count );
+  {
+    Kokkos::View< NestedView<Space> * , Space > a("a_nested_view",2);
+    ASSERT_EQ( 2 , nested_view_count );
+    Kokkos::View< NestedView<Space> * , Space > b("b_nested_view",2);
+    ASSERT_EQ( 4 , nested_view_count );
+  }
+  // ASSERT_EQ( 0 , nested_view_count );
+}
+
+}
+
+namespace Kokkos {
+namespace Impl {
+
+template< class ExecSpace , class S >
+struct ViewDefaultConstruct< ExecSpace , Test::NestedView<S> , true >
+{
+  typedef Test::NestedView<S> type ;
+  type * const m_ptr ;
+
+  KOKKOS_FORCEINLINE_FUNCTION
+  void operator()( const typename ExecSpace::size_type& i ) const
+    { new(m_ptr+i) type(); }
+
+  ViewDefaultConstruct( type * pointer , size_t capacity )
+    : m_ptr( pointer )
+    {
+      Kokkos::RangePolicy< ExecSpace > range( 0 , capacity );
+      parallel_for( range , *this );
+      ExecSpace::fence();
+    }
+};
+
+} // namespace Impl
+} // namespace Kokkos
+
+/*--------------------------------------------------------------------------*/
+