diff options
Diffstat (limited to 'unsupported/test/cxx11_tensor_contraction.cpp')
| -rw-r--r-- | unsupported/test/cxx11_tensor_contraction.cpp | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/unsupported/test/cxx11_tensor_contraction.cpp b/unsupported/test/cxx11_tensor_contraction.cpp index 73623b2ed..ace97057f 100644 --- a/unsupported/test/cxx11_tensor_contraction.cpp +++ b/unsupported/test/cxx11_tensor_contraction.cpp @@ -489,6 +489,27 @@ static void test_tensor_product() } +template<int DataLayout> +static void test_const_inputs() +{ + Tensor<float, 2, DataLayout> in1(2, 3); + Tensor<float, 2, DataLayout> in2(3, 2); + in1.setRandom(); + in2.setRandom(); + + TensorMap<Tensor<const float, 2, DataLayout> > mat1(in1.data(), 2, 3); + TensorMap<Tensor<const float, 2, DataLayout> > mat2(in2.data(), 3, 2); + Tensor<float, 2, DataLayout> mat3(2,2); + + Eigen::array<DimPair, 1> dims = {{DimPair(1, 0)}}; + mat3 = mat1.contract(mat2, dims); + + VERIFY_IS_APPROX(mat3(0,0), mat1(0,0)*mat2(0,0) + mat1(0,1)*mat2(1,0) + mat1(0,2)*mat2(2,0)); + VERIFY_IS_APPROX(mat3(0,1), mat1(0,0)*mat2(0,1) + mat1(0,1)*mat2(1,1) + mat1(0,2)*mat2(2,1)); + VERIFY_IS_APPROX(mat3(1,0), mat1(1,0)*mat2(0,0) + mat1(1,1)*mat2(1,0) + mat1(1,2)*mat2(2,0)); + VERIFY_IS_APPROX(mat3(1,1), mat1(1,0)*mat2(0,1) + mat1(1,1)*mat2(1,1) + mat1(1,2)*mat2(2,1)); +} + void test_cxx11_tensor_contraction() { CALL_SUBTEST(test_evals<ColMajor>()); @@ -519,4 +540,6 @@ void test_cxx11_tensor_contraction() CALL_SUBTEST(test_small_blocking_factors<RowMajor>()); CALL_SUBTEST(test_tensor_product<ColMajor>()); CALL_SUBTEST(test_tensor_product<RowMajor>()); + CALL_SUBTEST(test_const_inputs<ColMajor>()); + CALL_SUBTEST(test_const_inputs<RowMajor>()); } |