216 lines
7.4 KiB
C++
216 lines
7.4 KiB
C++
/*
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//@HEADER
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// ************************************************************************
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//
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// Kokkos v. 3.0
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// Copyright (2020) National Technology & Engineering
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// Solutions of Sandia, LLC (NTESS).
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//
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// Under the terms of Contract DE-NA0003525 with NTESS,
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// the U.S. Government retains certain rights in this software.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// 3. Neither the name of the Corporation nor the names of the
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY NTESS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NTESS OR THE
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Questions? Contact Christian R. Trott (crtrott@sandia.gov)
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//
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// ************************************************************************
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//@HEADER
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*/
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#include <Kokkos_Core.hpp>
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#define KOKKOS_PRAGMA_UNROLL(a)
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namespace {
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template <class Scalar, class ExecutionSpace>
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struct SumPlain {
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using execution_space = ExecutionSpace;
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using type = typename Kokkos::View<Scalar*, execution_space>;
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type view;
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SumPlain(type view_) : view(view_) {}
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KOKKOS_INLINE_FUNCTION
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void operator()(int /*i*/, Scalar& val) { val += Scalar(); }
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};
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template <class Scalar, class ExecutionSpace>
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struct SumInitJoinFinalValueType {
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using execution_space = ExecutionSpace;
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using type = typename Kokkos::View<Scalar*, execution_space>;
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using value_type = Scalar;
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type view;
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SumInitJoinFinalValueType(type view_) : view(view_) {}
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KOKKOS_INLINE_FUNCTION
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void init(value_type& val) const { val = value_type(); }
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KOKKOS_INLINE_FUNCTION
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void join(volatile value_type& val, volatile value_type& src) const {
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val += src;
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}
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KOKKOS_INLINE_FUNCTION
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void operator()(int /*i*/, value_type& val) const { val += value_type(); }
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};
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template <class Scalar, class ExecutionSpace>
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struct SumInitJoinFinalValueType2 {
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using execution_space = ExecutionSpace;
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using type = typename Kokkos::View<Scalar*, execution_space>;
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using value_type = Scalar;
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type view;
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SumInitJoinFinalValueType2(type view_) : view(view_) {}
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KOKKOS_INLINE_FUNCTION
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void init(volatile value_type& val) const { val = value_type(); }
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KOKKOS_INLINE_FUNCTION
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void join(volatile value_type& val, const volatile value_type& src) const {
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val += src;
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}
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KOKKOS_INLINE_FUNCTION
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void operator()(int /*i*/, value_type& val) const { val += value_type(); }
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};
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template <class Scalar, class ExecutionSpace>
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struct SumInitJoinFinalValueTypeArray {
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using execution_space = ExecutionSpace;
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using type = typename Kokkos::View<Scalar*, execution_space>;
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using value_type = Scalar[];
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type view;
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int n;
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SumInitJoinFinalValueTypeArray(type view_, int n_) : view(view_), n(n_) {}
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KOKKOS_INLINE_FUNCTION
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void init(value_type val) const {
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for (int k = 0; k < n; k++) {
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val[k] = 0;
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}
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}
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KOKKOS_INLINE_FUNCTION
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void join(volatile value_type val, const volatile value_type src) const {
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for (int k = 0; k < n; k++) {
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val[k] += src[k];
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}
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}
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KOKKOS_INLINE_FUNCTION
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void operator()(int i, value_type val) const {
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for (int k = 0; k < n; k++) {
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val[k] += k * i;
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}
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}
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};
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template <class Scalar, class ExecutionSpace>
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struct SumWrongInitJoinFinalValueType {
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using execution_space = ExecutionSpace;
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using type = typename Kokkos::View<Scalar*, execution_space>;
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using value_type = Scalar;
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type view;
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SumWrongInitJoinFinalValueType(type view_) : view(view_) {}
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KOKKOS_INLINE_FUNCTION
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void init(double& val) const { val = double(); }
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KOKKOS_INLINE_FUNCTION
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void join(volatile value_type& val, const value_type& src) const {
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val += src;
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}
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KOKKOS_INLINE_FUNCTION
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void operator()(int /*i*/, value_type& val) const { val += value_type(); }
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};
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template <class Scalar, class ExecutionSpace>
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void TestTemplateMetaFunctions() {
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using type = typename Kokkos::View<Scalar*, ExecutionSpace>;
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type a("A", 100);
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/*
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int sum_plain_has_init_arg = Kokkos::Impl::FunctorHasInit< SumPlain<Scalar,
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ExecutionSpace>, Scalar & >::value; ASSERT_EQ( sum_plain_has_init_arg, 0 );
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int sum_initjoinfinalvaluetype_has_init_arg = Kokkos::Impl::FunctorHasInit<
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SumInitJoinFinalValueType<Scalar, ExecutionSpace>, Scalar >::value;
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ASSERT_EQ( sum_initjoinfinalvaluetype_has_init_arg, 1 );
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int sum_initjoinfinalvaluetype_has_init_arg2 = Kokkos::Impl::FunctorHasInit<
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SumInitJoinFinalValueType2<Scalar,ExecutionSpace>, Scalar >::value;
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ASSERT_EQ( sum_initjoinfinalvaluetype_has_init_arg2, 1 );
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int sum_wronginitjoinfinalvaluetype_has_init_arg =
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Kokkos::Impl::FunctorHasInit< SumWrongInitJoinFinalValueType<Scalar,
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ExecutionSpace>, Scalar >::value; ASSERT_EQ(
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sum_wronginitjoinfinalvaluetype_has_init_arg, 0 );
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//int sum_initjoinfinalvaluetypearray_has_init_arg =
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Kokkos::Impl::FunctorHasInit< SumInitJoinFinalValueTypeArray<Scalar,
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ExecutionSpace>, Scalar[] >::value;
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//ASSERT_EQ( sum_initjoinfinalvaluetypearray_has_init_arg, 1 );
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//printf( "Values Init: %i %i %i\n", sum_plain_has_init_arg,
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sum_initjoinfinalvaluetype_has_init_arg,
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sum_wronginitjoinfinalvaluetype_has_init_arg );
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int sum_plain_has_join_arg = Kokkos::Impl::FunctorHasJoin< SumPlain<Scalar,
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ExecutionSpace>, Scalar >::value; ASSERT_EQ( sum_plain_has_join_arg, 0 );
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int sum_initjoinfinalvaluetype_has_join_arg = Kokkos::Impl::FunctorHasJoin<
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SumInitJoinFinalValueType<Scalar, ExecutionSpace>, Scalar >::value;
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ASSERT_EQ( sum_initjoinfinalvaluetype_has_join_arg, 1 );
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int sum_initjoinfinalvaluetype_has_join_arg2 = Kokkos::Impl::FunctorHasJoin<
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SumInitJoinFinalValueType2<Scalar, ExecutionSpace>, Scalar >::value;
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ASSERT_EQ( sum_initjoinfinalvaluetype_has_join_arg2, 1 );
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int sum_wronginitjoinfinalvaluetype_has_join_arg =
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Kokkos::Impl::FunctorHasJoin< SumWrongInitJoinFinalValueType<Scalar,
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ExecutionSpace>, Scalar >::value; ASSERT_EQ(
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sum_wronginitjoinfinalvaluetype_has_join_arg, 0 );
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//printf( "Values Join: %i %i %i\n", sum_plain_has_join_arg,
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sum_initjoinfinalvaluetype_has_join_arg,
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sum_wronginitjoinfinalvaluetype_has_join_arg );
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*/
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}
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} // namespace
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namespace Test {
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TEST(TEST_CATEGORY, template_meta_functions) {
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TestTemplateMetaFunctions<int, TEST_EXECSPACE>();
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}
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} // namespace Test
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