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136 lines
3.2 KiB
136 lines
3.2 KiB
// 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 the mozilla.org home page |
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#include "main.h" |
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#include <sstream> |
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#include <string> |
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#include <Eigen/CXX11/Tensor> |
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template<int DataLayout> |
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static void test_output_0d() |
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{ |
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Tensor<int, 0, DataLayout> tensor; |
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tensor() = 123; |
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std::stringstream os; |
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os << tensor; |
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std::string expected("123"); |
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VERIFY_IS_EQUAL(std::string(os.str()), expected); |
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} |
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template<int DataLayout> |
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static void test_output_1d() |
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{ |
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Tensor<int, 1, DataLayout> tensor(5); |
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for (int i = 0; i < 5; ++i) { |
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tensor(i) = i; |
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} |
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std::stringstream os; |
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os << tensor; |
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std::string expected("0\n1\n2\n3\n4"); |
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VERIFY_IS_EQUAL(std::string(os.str()), expected); |
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Eigen::Tensor<double,1,DataLayout> empty_tensor(0); |
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std::stringstream empty_os; |
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empty_os << empty_tensor; |
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std::string empty_string; |
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VERIFY_IS_EQUAL(std::string(empty_os.str()), empty_string); |
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} |
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template<int DataLayout> |
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static void test_output_2d() |
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{ |
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Tensor<int, 2, DataLayout> tensor(5, 3); |
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for (int i = 0; i < 5; ++i) { |
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for (int j = 0; j < 3; ++j) { |
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tensor(i, j) = i*j; |
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} |
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} |
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std::stringstream os; |
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os << tensor; |
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std::string expected("0 0 0\n0 1 2\n0 2 4\n0 3 6\n0 4 8"); |
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VERIFY_IS_EQUAL(std::string(os.str()), expected); |
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} |
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template<int DataLayout> |
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static void test_output_expr() |
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{ |
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Tensor<int, 1, DataLayout> tensor1(5); |
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Tensor<int, 1, DataLayout> tensor2(5); |
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for (int i = 0; i < 5; ++i) { |
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tensor1(i) = i; |
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tensor2(i) = 7; |
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} |
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std::stringstream os; |
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os << tensor1 + tensor2; |
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std::string expected(" 7\n 8\n 9\n10\n11"); |
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VERIFY_IS_EQUAL(std::string(os.str()), expected); |
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} |
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template<int DataLayout> |
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static void test_output_string() |
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{ |
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Tensor<std::string, 2, DataLayout> tensor(5, 3); |
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tensor.setConstant(std::string("foo")); |
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std::cout << tensor << std::endl; |
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std::stringstream os; |
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os << tensor; |
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std::string expected("foo foo foo\nfoo foo foo\nfoo foo foo\nfoo foo foo\nfoo foo foo"); |
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VERIFY_IS_EQUAL(std::string(os.str()), expected); |
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} |
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template<int DataLayout> |
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static void test_output_const() |
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{ |
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Tensor<int, 1, DataLayout> tensor(5); |
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for (int i = 0; i < 5; ++i) { |
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tensor(i) = i; |
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} |
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TensorMap<Tensor<const int, 1, DataLayout> > tensor_map(tensor.data(), 5); |
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std::stringstream os; |
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os << tensor_map; |
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std::string expected("0\n1\n2\n3\n4"); |
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VERIFY_IS_EQUAL(std::string(os.str()), expected); |
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} |
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EIGEN_DECLARE_TEST(cxx11_tensor_io) |
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{ |
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CALL_SUBTEST(test_output_0d<ColMajor>()); |
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CALL_SUBTEST(test_output_0d<RowMajor>()); |
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CALL_SUBTEST(test_output_1d<ColMajor>()); |
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CALL_SUBTEST(test_output_1d<RowMajor>()); |
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CALL_SUBTEST(test_output_2d<ColMajor>()); |
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CALL_SUBTEST(test_output_2d<RowMajor>()); |
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CALL_SUBTEST(test_output_expr<ColMajor>()); |
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CALL_SUBTEST(test_output_expr<RowMajor>()); |
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CALL_SUBTEST(test_output_string<ColMajor>()); |
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CALL_SUBTEST(test_output_string<RowMajor>()); |
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CALL_SUBTEST(test_output_const<ColMajor>()); |
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CALL_SUBTEST(test_output_const<RowMajor>()); |
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}
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