fix test extension

CMakeLists_files.cmake

@@ -538,6 +538,7 @@ if (HAVE_CUDA)
   ADD_CUDA_OR_HIP_FILE(TEST_SOURCE_FILES tests test_cusparse_handle.cpp)
   ADD_CUDA_OR_HIP_FILE(TEST_SOURCE_FILES tests test_cuSparse_matrix_operations.cpp)
   ADD_CUDA_OR_HIP_FILE(TEST_SOURCE_FILES tests test_GpuSparseMatrix.cu)
+  ADD_CUDA_OR_HIP_FILE(TEST_SOURCE_FILES tests test_GpuSparseTable.cu)
   ADD_CUDA_OR_HIP_FILE(TEST_SOURCE_FILES tests test_GpuVector.cpp)
   ADD_CUDA_OR_HIP_FILE(TEST_SOURCE_FILES tests test_cuVector_operations.cpp)
   ADD_CUDA_OR_HIP_FILE(TEST_SOURCE_FILES tests test_safe_conversion.cpp)

tests/gpuistl/test_GpuSparseTable.cu

@@ -0,0 +1,100 @@
+/*
+  Copyright 2025 SINTEF AS
+
+  This file is part of the Open Porous Media project (OPM).
+
+  OPM is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  OPM is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with OPM.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#include <config.h>
+
+#define BOOST_TEST_MODULE TestGpuSparseTable
+
+#include <opm/simulators/linalg/gpuistl/GpuSparseMatrixWrapper.hpp>
+#include <opm/simulators/linalg/gpuistl/GpuVector.hpp>
+#include <opm/simulators/linalg/gpuistl/detail/gpu_safe_call.hpp>
+#include <opm/simulators/linalg/gpuistl/detail/gpusparse_matrix_operations.hpp>
+#include <opm/simulators/linalg/gpuistl/gpu_smart_pointer.hpp>
+#include <opm/simulators/linalg/istlsparsematrixadapter.hh>
+
+#include <opm/common/utility/pointerArithmetic.hpp>
+
+#include <dune/istl/bcrsmatrix.hh>
+
+#include <boost/mpl/range_c.hpp>
+#include <boost/test/data/monomorphic.hpp>
+#include <boost/test/data/test_case.hpp>
+#include <boost/test/unit_test.hpp>
+
+#include <opm/grid/utility/SparseTable.hpp>
+
+#include <cstddef>
+#include <random>
+#include <type_traits>
+
+
+__global__ void fetchSparseTableValuesInKernel(Opm::SparseTable<int, Opm::gpuistl::GpuView> tableView,
+                                               std::array<int, 6>* output)
+{
+    int idx = blockIdx.x * blockDim.x + threadIdx.x;
+    if (idx == 0) {
+        int offset = 0;
+        for (size_t row = 0; row < 3; ++row) {
+            auto rowData = tableView[row];
+            for (auto e : rowData) {
+                (*output)[offset++] = e;
+            }
+        }
+    }
+}
+
+BOOST_AUTO_TEST_CASE(TestOIJFOAIWJF)
+{
+    /*
+        Sparse table storting the data
+            R0 (idx=0)  R1 (idx=3)  R2 (idx=4)
+            {1,2,3},    {4},        {5,6}
+    */
+    Opm::SparseTable<int> cpuTable({1, 2, 3, 4, 5, 6}, {0, 3, 4, 6});
+    for (size_t row = 0; row < 3; ++row) {
+        if (row == 0) {
+            BOOST_CHECK_EQUAL(cpuTable[row].size(), 3);
+            BOOST_CHECK_EQUAL(cpuTable[row][0], 1);
+            BOOST_CHECK_EQUAL(cpuTable[row][1], 2);
+            BOOST_CHECK_EQUAL(cpuTable[row][2], 3);
+        } else if (row == 1) {
+            BOOST_CHECK_EQUAL(cpuTable[row].size(), 1);
+            BOOST_CHECK_EQUAL(cpuTable[row][0], 4);
+        } else if (row == 2) {
+            BOOST_CHECK_EQUAL(cpuTable[row].size(), 2);
+            BOOST_CHECK_EQUAL(cpuTable[row][0], 5);
+            BOOST_CHECK_EQUAL(cpuTable[row][1], 6);
+        }
+    }
+
+    auto gpuBufferTable = Opm::gpuistl::copy_to_gpu<int>(cpuTable);
+    auto gpuTableView = Opm::gpuistl::make_view(gpuBufferTable);
+
+    auto valuesFetchedFromGpu = Opm::gpuistl::make_gpu_unique_ptr<std::array<int, 6>>({-1});
+
+    fetchSparseTableValuesInKernel<<<1, 1>>>(gpuTableView, valuesFetchedFromGpu.get());
+
+    auto hostValues = Opm::gpuistl::copyFromGPU<std::array<int, 6>>(valuesFetchedFromGpu);
+
+    BOOST_CHECK_EQUAL(hostValues[0], 1);
+    BOOST_CHECK_EQUAL(hostValues[1], 2);
+    BOOST_CHECK_EQUAL(hostValues[2], 3);
+    BOOST_CHECK_EQUAL(hostValues[3], 4);
+    BOOST_CHECK_EQUAL(hostValues[4], 5);
+    BOOST_CHECK_EQUAL(hostValues[5], 6);
+}