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lammps/lib/kokkos/core/unit_test/TestCrs.hpp
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TestCrs.hpp
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/*
//@HEADER
// ************************************************************************
//
// Kokkos v. 2.0
// Copyright (2014) Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// 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 SANDIA CORPORATION "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 SANDIA CORPORATION 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 H. Carter Edwards (hcedwar@sandia.gov)
//
// ************************************************************************
//@HEADER
*/
#include <vector>
#include <Kokkos_Core.hpp>
namespace Test {
namespace {
template< class ExecSpace >
struct CountFillFunctor {
KOKKOS_INLINE_FUNCTION
std::int32_t operator()(std::int32_t row, std::int32_t* fill) const {
auto n = (row % 4) + 1;
if (fill) {
for (std::int32_t j = 0; j < n; ++j) {
fill[j] = j + 1;
}
}
return n;
}
};
template< class ExecSpace >
void test_count_fill(std::int32_t nrows) {
Kokkos::Experimental::Crs<std::int32_t, ExecSpace, void, std::int32_t> graph;
Kokkos::Experimental::count_and_fill_crs(graph, nrows, CountFillFunctor<ExecSpace>());
ASSERT_EQ(graph.numRows(), nrows);
auto row_map = Kokkos::create_mirror_view(graph.row_map);
Kokkos::deep_copy(row_map, graph.row_map);
auto entries = Kokkos::create_mirror_view(graph.entries);
Kokkos::deep_copy(entries, graph.entries);
for (std::int32_t row = 0; row < nrows; ++row) {
auto n = (row % 4) + 1;
ASSERT_EQ(row_map(row + 1) - row_map(row), n);
for (std::int32_t j = 0; j < n; ++j) {
ASSERT_EQ(entries(row_map(row) + j), j + 1);
}
}
}
} // anonymous namespace
TEST_F( TEST_CATEGORY, crs_count_fill )
{
test_count_fill<TEST_EXECSPACE>(0);
test_count_fill<TEST_EXECSPACE>(1);
test_count_fill<TEST_EXECSPACE>(2);
test_count_fill<TEST_EXECSPACE>(3);
test_count_fill<TEST_EXECSPACE>(13);
test_count_fill<TEST_EXECSPACE>(100);
test_count_fill<TEST_EXECSPACE>(1000);
test_count_fill<TEST_EXECSPACE>(10000);
}
} // namespace Test
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