110 lines
4.0 KiB
C++
110 lines
4.0 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_Macros.hpp>
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#ifdef KOKKOS_ENABLE_LIBQUADMATH
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#include <impl/Kokkos_QuadPrecisionMath.hpp>
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#include <Kokkos_Core.hpp>
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#include <gtest/gtest.h>
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// FIXME instantiate only once for default host execution space
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TEST(TEST_CATEGORY, quad_precision_reductions) {
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int const n = 100;
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__float128 r;
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Kokkos::parallel_reduce(
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Kokkos::RangePolicy<Kokkos::DefaultHostExecutionSpace>(0, n),
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KOKKOS_LAMBDA(int i, __float128 &v) { v += static_cast<__float128>(i); },
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r);
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EXPECT_EQ(r, n * (n - 1) / 2);
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Kokkos::parallel_reduce(
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Kokkos::RangePolicy<Kokkos::DefaultHostExecutionSpace>(0, n),
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KOKKOS_LAMBDA(int i, __float128 &v) { v += static_cast<__float128>(i); },
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Kokkos::Sum<__float128>(r));
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EXPECT_EQ(r, n * (n - 1) / 2);
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Kokkos::parallel_reduce(
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Kokkos::RangePolicy<Kokkos::DefaultHostExecutionSpace>(0, n),
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KOKKOS_LAMBDA(int i, __float128 &v) {
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if (v > static_cast<__float128>(i)) {
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v = static_cast<__float128>(i);
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}
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},
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Kokkos::Min<__float128>(r));
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EXPECT_EQ(r, 0);
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Kokkos::parallel_reduce(
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Kokkos::RangePolicy<Kokkos::DefaultHostExecutionSpace>(0, n),
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KOKKOS_LAMBDA(int i, __float128 &v) {
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if (v < static_cast<__float128>(i)) {
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v = static_cast<__float128>(i);
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}
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},
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Kokkos::Max<__float128>(r));
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EXPECT_EQ(r, n - 1);
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Kokkos::parallel_reduce(
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Kokkos::RangePolicy<Kokkos::DefaultHostExecutionSpace>(1, n),
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KOKKOS_LAMBDA(int i, __float128 &v) { v *= static_cast<__float128>(i); },
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Kokkos::Prod<__float128>(r));
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EXPECT_FLOAT_EQ(r, tgammaq(n + 1)); // factorial(n) = tgamma(n+1)
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}
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TEST(TEST_CATEGORY, quad_precision_common_math_functions) {
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Kokkos::parallel_for(
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Kokkos::RangePolicy<Kokkos::DefaultHostExecutionSpace>(0, 1),
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KOKKOS_LAMBDA(int) {
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(void)Kokkos::Experimental::fabs((__float128)0);
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(void)Kokkos::Experimental::sqrt((__float128)1);
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(void)Kokkos::Experimental::exp((__float128)2);
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(void)Kokkos::Experimental::sin((__float128)3);
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(void)Kokkos::Experimental::cosh((__float128)4);
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});
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}
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#endif
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