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/*
* GridTools
*
* Copyright (c) 2014-2023, ETH Zurich
* All rights reserved.
*
* Please, refer to the LICENSE file in the root directory.
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <gtest/gtest.h>
#include <gridtools/storage/builder.hpp>
#include <gridtools/storage/gpu.hpp>
#include <multiplet.hpp>
using namespace gridtools;
constexpr int c_x = 3 /* < 32 for this test */, c_y = 5, c_z = 7;
template <class View>
__global__ void mul2(View s) {
auto &&lengths = s.lengths();
bool expected_dims = lengths[0] == c_x && lengths[1] == c_y && lengths[2] == c_z;
bool expected_size = s.length() <= 32 * c_y * c_z && s.length() >= c_x * c_y * c_z;
s(0, 0, 0) *= 2 * expected_dims * expected_size;
s(1, 0, 0) *= 2 * expected_dims * expected_size;
}
TEST(DataViewTest, Simple) {
// create and allocate a data_store
auto ds = storage::builder<storage::gpu>.type<double>().layout<2, 1, 0>().dimensions(c_x, c_y, c_z)();
// create a rw view and fill with some data
auto dv = ds->host_view();
dv(0, 0, 0) = 50;
dv(1, 0, 0) = 60;
// check if interface works
EXPECT_TRUE(ds->lengths() == dv.lengths());
// check if data is there
EXPECT_EQ(50, dv(0, 0, 0));
EXPECT_EQ(60, dv(1, 0, 0));
// create a ro view
auto dvro = ds->const_host_view();
// check if data is the same
EXPECT_EQ(50, dvro(0, 0, 0));
EXPECT_EQ(60, dvro(1, 0, 0));
mul2<<<1, 1>>>(ds->target_view());
dvro = ds->const_host_view();
// check if data is the same
EXPECT_EQ(100, dvro(0, 0, 0));
EXPECT_EQ(120, dvro(1, 0, 0));
}
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