diff options
author | Stanislaw Halik <sthalik@misaki.pl> | 2019-03-03 21:09:10 +0100 |
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committer | Stanislaw Halik <sthalik@misaki.pl> | 2019-03-03 21:10:13 +0100 |
commit | f0238cfb6997c4acfc2bd200de7295f3fa36968f (patch) | |
tree | b215183760e4f615b9c1dabc1f116383b72a1b55 /eigen/unsupported/test/cxx11_tensor_generator.cpp | |
parent | 543edd372a5193d04b3de9f23c176ab439e51b31 (diff) |
don't index Eigen
Diffstat (limited to 'eigen/unsupported/test/cxx11_tensor_generator.cpp')
-rw-r--r-- | eigen/unsupported/test/cxx11_tensor_generator.cpp | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/eigen/unsupported/test/cxx11_tensor_generator.cpp b/eigen/unsupported/test/cxx11_tensor_generator.cpp deleted file mode 100644 index dcb9287..0000000 --- a/eigen/unsupported/test/cxx11_tensor_generator.cpp +++ /dev/null @@ -1,91 +0,0 @@ -// This file is part of Eigen, a lightweight C++ template library -// for linear algebra. -// -// Copyright (C) 2015 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> - -struct Generator1D { - Generator1D() { } - - float operator()(const array<Eigen::DenseIndex, 1>& coordinates) const { - return coordinates[0]; - } -}; - -template <int DataLayout> -static void test_1D() -{ - Tensor<float, 1> vec(6); - Tensor<float, 1> result = vec.generate(Generator1D()); - - for (int i = 0; i < 6; ++i) { - VERIFY_IS_EQUAL(result(i), i); - } -} - - -struct Generator2D { - Generator2D() { } - - float operator()(const array<Eigen::DenseIndex, 2>& coordinates) const { - return 3 * coordinates[0] + 11 * coordinates[1]; - } -}; - -template <int DataLayout> -static void test_2D() -{ - Tensor<float, 2> matrix(5, 7); - Tensor<float, 2> result = matrix.generate(Generator2D()); - - for (int i = 0; i < 5; ++i) { - for (int j = 0; j < 5; ++j) { - VERIFY_IS_EQUAL(result(i, j), 3*i + 11*j); - } - } -} - - -template <int DataLayout> -static void test_gaussian() -{ - int rows = 32; - int cols = 48; - array<float, 2> means; - means[0] = rows / 2.0f; - means[1] = cols / 2.0f; - array<float, 2> std_devs; - std_devs[0] = 3.14f; - std_devs[1] = 2.7f; - internal::GaussianGenerator<float, Eigen::DenseIndex, 2> gaussian_gen(means, std_devs); - - Tensor<float, 2> matrix(rows, cols); - Tensor<float, 2> result = matrix.generate(gaussian_gen); - - for (int i = 0; i < rows; ++i) { - for (int j = 0; j < cols; ++j) { - float g_rows = powf(rows/2.0f - i, 2) / (3.14f * 3.14f) * 0.5f; - float g_cols = powf(cols/2.0f - j, 2) / (2.7f * 2.7f) * 0.5f; - float gaussian = expf(-g_rows - g_cols); - VERIFY_IS_EQUAL(result(i, j), gaussian); - } - } -} - - -void test_cxx11_tensor_generator() -{ - CALL_SUBTEST(test_1D<ColMajor>()); - CALL_SUBTEST(test_1D<RowMajor>()); - CALL_SUBTEST(test_2D<ColMajor>()); - CALL_SUBTEST(test_2D<RowMajor>()); - CALL_SUBTEST(test_gaussian<ColMajor>()); - CALL_SUBTEST(test_gaussian<RowMajor>()); -} |