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Diffstat (limited to 'unsupported/test/cxx11_tensor_layout_swap.cpp')
-rw-r--r-- | unsupported/test/cxx11_tensor_layout_swap.cpp | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/unsupported/test/cxx11_tensor_layout_swap.cpp b/unsupported/test/cxx11_tensor_layout_swap.cpp new file mode 100644 index 000000000..ae297a9da --- /dev/null +++ b/unsupported/test/cxx11_tensor_layout_swap.cpp @@ -0,0 +1,61 @@ +// This file is part of Eigen, a lightweight C++ template library +// for linear algebra. +// +// Copyright (C) 2014 Benoit Steiner <benoit.steiner.goog@gmail.com> +// +// This Source Code Form is subject to the terms of the Mozilla +// Public License v. 2.0. If a copy of the MPL was not distributed +// with this file, You can obtain one at http://mozilla.org/MPL/2.0/. + +#include "main.h" + +#include <Eigen/CXX11/Tensor> + +using Eigen::Tensor; + +static void test_simple_swap() +{ + Tensor<float, 3, ColMajor> tensor(2,3,7); + tensor.setRandom(); + + Tensor<float, 3, RowMajor> tensor2 = tensor.swap_layout(); + VERIFY_IS_EQUAL(tensor.dimension(0), tensor2.dimension(2)); + VERIFY_IS_EQUAL(tensor.dimension(1), tensor2.dimension(1)); + VERIFY_IS_EQUAL(tensor.dimension(2), tensor2.dimension(0)); + + for (int i = 0; i < 2; ++i) { + for (int j = 0; j < 3; ++j) { + for (int k = 0; k < 7; ++k) { + VERIFY_IS_EQUAL(tensor(i,j,k), tensor2(k,j,i)); + } + } + } +} + + +static void test_swap_as_lvalue() +{ + Tensor<float, 3, ColMajor> tensor(2,3,7); + tensor.setRandom(); + + Tensor<float, 3, RowMajor> tensor2(7,3,2); + tensor2.swap_layout() = tensor; + VERIFY_IS_EQUAL(tensor.dimension(0), tensor2.dimension(2)); + VERIFY_IS_EQUAL(tensor.dimension(1), tensor2.dimension(1)); + VERIFY_IS_EQUAL(tensor.dimension(2), tensor2.dimension(0)); + + for (int i = 0; i < 2; ++i) { + for (int j = 0; j < 3; ++j) { + for (int k = 0; k < 7; ++k) { + VERIFY_IS_EQUAL(tensor(i,j,k), tensor2(k,j,i)); + } + } + } +} + + +void test_cxx11_tensor_layout_swap() +{ + CALL_SUBTEST(test_simple_swap()); + CALL_SUBTEST(test_swap_as_lvalue()); +} |