152 lines
6.1 KiB
C++
152 lines
6.1 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 <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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#if defined(KOKKOS_ENABLE_CXX17)
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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::Experimental::TRAIT##_v<T>; \
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}
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#else
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#define DEFINE_MATH_CONSTANT_TRAIT(TRAIT) \
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template <class> \
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struct TRAIT; \
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template <> \
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struct TRAIT<float> { \
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static constexpr float value = Kokkos::Experimental::TRAIT##_v<float>; \
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}; \
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template <> \
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struct TRAIT<double> { \
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static constexpr double value = Kokkos::Experimental::TRAIT##_v<double>; \
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}; \
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template <> \
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struct TRAIT<long double> { \
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static constexpr long double value = \
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Kokkos::Experimental::TRAIT##_v<long double>; \
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}; \
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constexpr float TRAIT<float>::value; \
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constexpr double TRAIT<double>::value; \
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constexpr long double TRAIT<long double>::value
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#endif
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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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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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#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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