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62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
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// This file is part of Eigen, a lightweight C++ template library
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// for linear algebra.
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//
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// Copyright (C) 2014 Benoit Steiner <benoit.steiner.goog@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla
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// Public License v. 2.0. If a copy of the MPL was not distributed
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// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#include "main.h"
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#include <Eigen/CXX11/Tensor>
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using Eigen::Tensor;
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static void test_simple_swap()
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{
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Tensor<float, 3, ColMajor> tensor(2,3,7);
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tensor.setRandom();
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Tensor<float, 3, RowMajor> tensor2 = tensor.swap_layout();
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VERIFY_IS_EQUAL(tensor.dimension(0), tensor2.dimension(2));
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VERIFY_IS_EQUAL(tensor.dimension(1), tensor2.dimension(1));
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VERIFY_IS_EQUAL(tensor.dimension(2), tensor2.dimension(0));
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for (int i = 0; i < 2; ++i) {
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for (int j = 0; j < 3; ++j) {
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for (int k = 0; k < 7; ++k) {
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VERIFY_IS_EQUAL(tensor(i,j,k), tensor2(k,j,i));
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}
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}
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}
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}
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static void test_swap_as_lvalue()
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{
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Tensor<float, 3, ColMajor> tensor(2,3,7);
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tensor.setRandom();
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Tensor<float, 3, RowMajor> tensor2(7,3,2);
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tensor2.swap_layout() = tensor;
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VERIFY_IS_EQUAL(tensor.dimension(0), tensor2.dimension(2));
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VERIFY_IS_EQUAL(tensor.dimension(1), tensor2.dimension(1));
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VERIFY_IS_EQUAL(tensor.dimension(2), tensor2.dimension(0));
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for (int i = 0; i < 2; ++i) {
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for (int j = 0; j < 3; ++j) {
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for (int k = 0; k < 7; ++k) {
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VERIFY_IS_EQUAL(tensor(i,j,k), tensor2(k,j,i));
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}
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}
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}
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}
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void test_cxx11_tensor_layout_swap()
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{
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CALL_SUBTEST(test_simple_swap());
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CALL_SUBTEST(test_swap_as_lvalue());
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}
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