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//@HEADER
// ************************************************************************
//
// Kokkos v. 4.0
// Copyright (2022) National Technology & Engineering
// Solutions of Sandia, LLC (NTESS).
//
// Under the terms of Contract DE-NA0003525 with NTESS,
// the U.S. Government retains certain rights in this software.
//
// Part of Kokkos, under the Apache License v2.0 with LLVM Exceptions.
// See https://kokkos.org/LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//@HEADER
#ifndef TEST_FUNCTOR_ANALYSIS_HPP
#define TEST_FUNCTOR_ANALYSIS_HPP
#include <gtest/gtest.h>
#include <Kokkos_Core.hpp>
/*--------------------------------------------------------------------------*/
namespace Test {
struct TestFunctorAnalysis_03 {
struct value_type {
double x[2];
};
KOKKOS_INLINE_FUNCTION
void operator()(int, value_type&) const {}
KOKKOS_INLINE_FUNCTION
void join(value_type&, value_type const&) const {}
KOKKOS_INLINE_FUNCTION static void init(value_type&) {}
};
struct TestFunctorAnalysis_04 {
KOKKOS_INLINE_FUNCTION
void operator()(int, float&) const {}
KOKKOS_INLINE_FUNCTION
void join(float&, float const&) const {}
KOKKOS_INLINE_FUNCTION static void init(float&) {}
};
template <class ExecSpace>
void test_functor_analysis() {
//------------------------------
auto c01 = KOKKOS_LAMBDA(int){};
using A01 =
Kokkos::Impl::FunctorAnalysis<Kokkos::Impl::FunctorPatternInterface::FOR,
Kokkos::RangePolicy<ExecSpace>,
decltype(c01), void>;
using R01 = typename A01::Reducer;
static_assert(std::is_void_v<typename A01::value_type>);
static_assert(std::is_void_v<typename A01::pointer_type>);
static_assert(std::is_void_v<typename A01::reference_type>);
static_assert(std::is_same_v<typename R01::functor_type, decltype(c01)>);
static_assert(!A01::has_join_member_function);
static_assert(!A01::has_init_member_function);
static_assert(!A01::has_final_member_function);
static_assert(A01::StaticValueSize == 0);
ASSERT_EQ(R01(c01).length(), 0);
//------------------------------
auto c02 = KOKKOS_LAMBDA(int, double&){};
using A02 = Kokkos::Impl::FunctorAnalysis<
Kokkos::Impl::FunctorPatternInterface::REDUCE,
Kokkos::RangePolicy<ExecSpace>, decltype(c02), void>;
using R02 = typename A02::Reducer;
static_assert(std::is_same_v<typename A02::value_type, double>);
static_assert(std::is_same_v<typename A02::pointer_type, double*>);
static_assert(std::is_same_v<typename A02::reference_type, double&>);
static_assert(std::is_same_v<typename R02::functor_type, decltype(c02)>);
static_assert(!A02::has_join_member_function);
static_assert(!A02::has_init_member_function);
static_assert(!A02::has_final_member_function);
static_assert(A02::StaticValueSize == sizeof(double));
ASSERT_EQ(R02(c02).length(), 1);
//------------------------------
TestFunctorAnalysis_03 c03;
using A03 = Kokkos::Impl::FunctorAnalysis<
Kokkos::Impl::FunctorPatternInterface::REDUCE,
Kokkos::RangePolicy<ExecSpace>, TestFunctorAnalysis_03, void>;
using R03 = typename A03::Reducer;
static_assert(std::is_same_v<typename A03::value_type,
TestFunctorAnalysis_03::value_type>);
static_assert(std::is_same_v<typename A03::pointer_type,
TestFunctorAnalysis_03::value_type*>);
static_assert(std::is_same_v<typename A03::reference_type,
TestFunctorAnalysis_03::value_type&>);
static_assert(
std::is_same_v<typename R03::functor_type, TestFunctorAnalysis_03>);
static_assert(A03::has_join_member_function);
static_assert(A03::has_init_member_function);
static_assert(!A03::has_final_member_function);
static_assert(A03::StaticValueSize ==
sizeof(TestFunctorAnalysis_03::value_type));
ASSERT_EQ(R03(c03).length(), 1);
//------------------------------
TestFunctorAnalysis_04 c04;
using A04 = Kokkos::Impl::FunctorAnalysis<
Kokkos::Impl::FunctorPatternInterface::REDUCE,
Kokkos::RangePolicy<ExecSpace>, TestFunctorAnalysis_04, float>;
using R04 = typename A04::Reducer;
static_assert(std::is_same_v<typename A04::value_type, float>);
static_assert(
std::is_same_v<typename A04::pointer_type, typename A04::value_type*>);
static_assert(
std::is_same_v<typename A04::reference_type, typename A04::value_type&>);
static_assert(
std::is_same_v<typename R04::functor_type, TestFunctorAnalysis_04>);
static_assert(A04::has_join_member_function);
static_assert(A04::has_init_member_function);
static_assert(!A04::has_final_member_function);
static_assert(A04::StaticValueSize == sizeof(typename A04::value_type));
ASSERT_EQ(R04(c04).length(), 1);
}
TEST(TEST_CATEGORY, functor_analysis) {
test_functor_analysis<TEST_EXECSPACE>();
}
} // namespace Test
/*--------------------------------------------------------------------------*/
#endif /* #ifndef TEST_FUNCTOR_ANALYSIS_HPP */
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