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#include <unittest/unittest.h>
#include <cusp/array2d.h>
#include <cusp/coo_matrix.h>
#include <cusp/csr_matrix.h>
#include <cusp/dia_matrix.h>
#include <cusp/ell_matrix.h>
#include <cusp/hyb_matrix.h>
#include <cusp/detail/format_utils.h>
template <class Space>
void TestOffsetsToIndices(void)
{
cusp::array1d<int, Space> offsets(8);
offsets[0] = 0;
offsets[1] = 0;
offsets[2] = 0;
offsets[3] = 1;
offsets[4] = 1;
offsets[5] = 2;
offsets[6] = 5;
offsets[7] = 10;
cusp::array1d<int, Space> expected(10);
expected[0] = 2;
expected[1] = 4;
expected[2] = 5;
expected[3] = 5;
expected[4] = 5;
expected[5] = 6;
expected[6] = 6;
expected[7] = 6;
expected[8] = 6;
expected[9] = 6;
cusp::array1d<int, Space> indices(10);
cusp::detail::offsets_to_indices(offsets, indices);
ASSERT_EQUAL(indices, expected);
}
DECLARE_HOST_DEVICE_UNITTEST(TestOffsetsToIndices);
template <class Space>
void TestIndicesToOffsets(void)
{
cusp::array1d<int, Space> indices(10);
indices[0] = 2;
indices[1] = 4;
indices[2] = 5;
indices[3] = 5;
indices[4] = 5;
indices[5] = 6;
indices[6] = 6;
indices[7] = 6;
indices[8] = 6;
indices[9] = 6;
cusp::array1d<int, Space> expected(8);
expected[0] = 0;
expected[1] = 0;
expected[2] = 0;
expected[3] = 1;
expected[4] = 1;
expected[5] = 2;
expected[6] = 5;
expected[7] = 10;
cusp::array1d<int, Space> offsets(8);
cusp::detail::indices_to_offsets(indices, offsets);
ASSERT_EQUAL(offsets, expected);
}
DECLARE_HOST_DEVICE_UNITTEST(TestIndicesToOffsets);
template <class Matrix>
void TestExtractDiagonal(void)
{
typedef typename Matrix::index_type IndexType;
typedef typename Matrix::value_type ValueType;
typedef typename Matrix::memory_space Space;
{
cusp::array2d<float, Space> A(2,2);
A(0,0) = 1.0; A(0,1) = 2.0;
A(1,0) = 3.0; A(1,1) = 4.0;
cusp::array1d<float, Space> expected(2);
expected[0] = 1.0;
expected[1] = 4.0;
cusp::array1d<float, Space> output;
cusp::detail::extract_diagonal(Matrix(A), output);
ASSERT_EQUAL(output, expected);
}
{
cusp::array2d<float, Space> A(3,4);
A(0,0) = 0.0; A(0,1) = 0.0; A(0,2) = 4.0; A(0,3) = 0.0;
A(1,0) = 1.0; A(1,1) = 2.0; A(1,2) = 0.0; A(1,3) = 6.0;
A(2,0) = 0.0; A(2,1) = 3.0; A(2,2) = 5.0; A(2,3) = 0.0;
cusp::array1d<float, Space> expected(3);
expected[0] = 0.0;
expected[1] = 2.0;
expected[2] = 5.0;
cusp::array1d<float, Space> output;
cusp::detail::extract_diagonal(Matrix(A), output);
ASSERT_EQUAL(output, expected);
}
{
cusp::array2d<float, Space> A(5,5);
A(0,0) = 1.0; A(0,1) = 1.0; A(0,2) = 2.0; A(0,3) = 0.0; A(0,4) = 0.0;
A(1,0) = 3.0; A(1,1) = 4.0; A(1,2) = 0.0; A(1,3) = 0.0; A(1,4) = 0.0;
A(2,0) = 0.0; A(2,1) = 6.0; A(2,2) = 0.0; A(2,3) = 0.0; A(2,4) = 0.0;
A(3,0) = 0.0; A(3,1) = 0.0; A(3,2) = 7.0; A(3,3) = 8.0; A(3,4) = 0.0;
A(4,0) = 0.0; A(4,1) = 0.0; A(4,2) = 0.0; A(4,3) = 0.0; A(4,4) = 9.0;
cusp::array1d<float, Space> expected(5);
expected[0] = 1.0;
expected[1] = 4.0;
expected[2] = 0.0;
expected[3] = 8.0;
expected[4] = 9.0;
cusp::array1d<float, Space> output;
cusp::detail::extract_diagonal(Matrix(A), output);
ASSERT_EQUAL(output, expected);
}
}
DECLARE_SPARSE_MATRIX_UNITTEST(TestExtractDiagonal);
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