104 lines
3.3 KiB
C++
104 lines
3.3 KiB
C++
//@HEADER
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// ************************************************************************
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//
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// Kokkos v. 4.0
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// Copyright (2022) 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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// Part of Kokkos, under the Apache License v2.0 with LLVM Exceptions.
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// See https://kokkos.org/LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//@HEADER
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#include <gtest/gtest.h>
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#include <Kokkos_Core.hpp>
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template <class T>
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KOKKOS_FUNCTION T *take_address_of(T &arg) {
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return &arg;
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}
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template <class T>
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KOKKOS_FUNCTION void take_by_value(T) {}
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#define DEFINE_MATH_CONSTANT_TRAIT(TRAIT) \
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template <class T> \
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struct TRAIT { \
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static constexpr T value = Kokkos::numbers::TRAIT##_v<T>; \
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}
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DEFINE_MATH_CONSTANT_TRAIT(e);
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DEFINE_MATH_CONSTANT_TRAIT(log2e);
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DEFINE_MATH_CONSTANT_TRAIT(log10e);
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DEFINE_MATH_CONSTANT_TRAIT(pi);
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DEFINE_MATH_CONSTANT_TRAIT(inv_pi);
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DEFINE_MATH_CONSTANT_TRAIT(inv_sqrtpi);
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DEFINE_MATH_CONSTANT_TRAIT(ln2);
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DEFINE_MATH_CONSTANT_TRAIT(ln10);
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DEFINE_MATH_CONSTANT_TRAIT(sqrt2);
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DEFINE_MATH_CONSTANT_TRAIT(sqrt3);
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DEFINE_MATH_CONSTANT_TRAIT(inv_sqrt3);
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DEFINE_MATH_CONSTANT_TRAIT(egamma);
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DEFINE_MATH_CONSTANT_TRAIT(phi);
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template <class Space, class Trait>
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struct TestMathematicalConstants {
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using T = std::decay_t<decltype(Trait::value)>;
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TestMathematicalConstants() { run(); }
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void run() const {
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int errors = 0;
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Kokkos::parallel_reduce(Kokkos::RangePolicy<Space, Trait>(0, 1), *this,
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errors);
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ASSERT_EQ(errors, 0);
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(void)take_address_of(Trait::value); // use on host
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}
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KOKKOS_FUNCTION void operator()(Trait, int, int &) const { use_on_device(); }
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KOKKOS_FUNCTION void use_on_device() const {
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#if defined(KOKKOS_COMPILER_NVCC) || defined(KOKKOS_ENABLE_OPENMPTARGET) || \
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defined(KOKKOS_ENABLE_OPENACC)
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take_by_value(Trait::value);
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#else
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(void)take_address_of(Trait::value);
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#endif
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}
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};
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#if defined(KOKKOS_ENABLE_CUDA) || defined(KOKKOS_ENABLE_HIP) || \
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defined(KOKKOS_ENABLE_SYCL) || defined(KOKKOS_ENABLE_OPENMPTARGET) || \
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defined(KOKKOS_ENABLE_OPENACC)
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#define TEST_MATH_CONSTANT(TRAIT) \
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TEST(TEST_CATEGORY, mathematical_constants_##TRAIT) { \
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TestMathematicalConstants<TEST_EXECSPACE, TRAIT<float>>(); \
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TestMathematicalConstants<TEST_EXECSPACE, TRAIT<double>>(); \
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}
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#else
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#define TEST_MATH_CONSTANT(TRAIT) \
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TEST(TEST_CATEGORY, mathematical_constants_##TRAIT) { \
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TestMathematicalConstants<TEST_EXECSPACE, TRAIT<float>>(); \
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TestMathematicalConstants<TEST_EXECSPACE, TRAIT<double>>(); \
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TestMathematicalConstants<TEST_EXECSPACE, TRAIT<long double>>(); \
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}
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#endif
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TEST_MATH_CONSTANT(e)
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TEST_MATH_CONSTANT(log2e)
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TEST_MATH_CONSTANT(log10e)
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TEST_MATH_CONSTANT(pi)
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TEST_MATH_CONSTANT(inv_pi)
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TEST_MATH_CONSTANT(inv_sqrtpi)
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TEST_MATH_CONSTANT(ln2)
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TEST_MATH_CONSTANT(ln10)
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TEST_MATH_CONSTANT(sqrt2)
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TEST_MATH_CONSTANT(sqrt3)
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TEST_MATH_CONSTANT(inv_sqrt3)
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TEST_MATH_CONSTANT(egamma)
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TEST_MATH_CONSTANT(phi)
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