92 lines
3.5 KiB
C++
92 lines
3.5 KiB
C++
|
|
/*
|
|
//@HEADER
|
|
// ************************************************************************
|
|
//
|
|
// Kokkos v. 3.0
|
|
// Copyright (2020) 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.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are
|
|
// met:
|
|
//
|
|
// 1. Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
//
|
|
// 2. Redistributions in binary form must reproduce the above copyright
|
|
// notice, this list of conditions and the following disclaimer in the
|
|
// documentation and/or other materials provided with the distribution.
|
|
//
|
|
// 3. Neither the name of the Corporation nor the names of the
|
|
// contributors may be used to endorse or promote products derived from
|
|
// this software without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY NTESS "AS IS" AND ANY
|
|
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NTESS OR THE
|
|
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
// Questions? Contact Christian R. Trott (crtrott@sandia.gov)
|
|
//
|
|
// ************************************************************************
|
|
//@HEADER
|
|
*/
|
|
|
|
#ifndef TESTHALFCONVERSION_HPP_
|
|
#define TESTHALFCONVERSION_HPP_
|
|
namespace Test {
|
|
|
|
template <class T>
|
|
void test_half_conversion_type() {
|
|
double epsilon = KOKKOS_HALF_T_IS_FLOAT ? 0.0000003 : 0.0003;
|
|
T base = static_cast<T>(3.3);
|
|
Kokkos::Experimental::half_t a = Kokkos::Experimental::cast_to_half(base);
|
|
T b = Kokkos::Experimental::cast_from_half<T>(a);
|
|
ASSERT_TRUE((double(b - base) / double(base)) < epsilon);
|
|
|
|
// TODO: Remove ifndef once https://github.com/kokkos/kokkos/pull/3480 merges
|
|
#ifndef KOKKOS_ENABLE_SYCL
|
|
#ifdef KOKKOS_ENABLE_CXX11_DISPATCH_LAMBDA
|
|
Kokkos::View<T> b_v("b_v");
|
|
Kokkos::parallel_for(
|
|
"TestHalfConversion", 1, KOKKOS_LAMBDA(int) {
|
|
Kokkos::Experimental::half_t d_a =
|
|
Kokkos::Experimental::cast_to_half(base);
|
|
b_v() = Kokkos::Experimental::cast_from_half<T>(d_a);
|
|
});
|
|
|
|
Kokkos::deep_copy(b, b_v);
|
|
ASSERT_TRUE((double(b - base) / double(base)) < epsilon);
|
|
#endif // KOKKOS_ENABLE_CXX11_DISPATCH_LAMBDA
|
|
#endif // KOKKOS_ENABLE_SYCL
|
|
}
|
|
|
|
void test_half_conversion() {
|
|
test_half_conversion_type<float>();
|
|
test_half_conversion_type<double>();
|
|
test_half_conversion_type<short>();
|
|
test_half_conversion_type<int>();
|
|
test_half_conversion_type<long>();
|
|
test_half_conversion_type<long long>();
|
|
test_half_conversion_type<unsigned short>();
|
|
test_half_conversion_type<unsigned int>();
|
|
test_half_conversion_type<unsigned long>();
|
|
test_half_conversion_type<unsigned long long>();
|
|
}
|
|
|
|
TEST(TEST_CATEGORY, half_conversion) { test_half_conversion(); }
|
|
|
|
} // namespace Test
|
|
#endif
|