mirror of
https://gitlab.com/libeigen/eigen.git
synced 2024-12-27 07:29:52 +08:00
82f0ce2726
This provide several advantages: - more flexibility in designing unit tests - unit tests can be glued to speed up compilation - unit tests are compiled with same predefined macros, which is a requirement for zapcc
62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
// 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));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
EIGEN_DECLARE_TEST(cxx11_tensor_layout_swap)
|
|
{
|
|
CALL_SUBTEST(test_simple_swap());
|
|
CALL_SUBTEST(test_swap_as_lvalue());
|
|
}
|