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author | Stanislaw Halik <sthalik@misaki.pl> | 2017-03-25 14:17:07 +0100 |
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committer | Stanislaw Halik <sthalik@misaki.pl> | 2017-03-25 14:17:07 +0100 |
commit | 35f7829af10c61e33dd2e2a7a015058e11a11ea0 (patch) | |
tree | 7135010dcf8fd0a49f3020d52112709bcb883bd6 /eigen/unsupported/test/cxx11_tensor_padding.cpp | |
parent | 6e8724193e40a932faf9064b664b529e7301c578 (diff) |
update
Diffstat (limited to 'eigen/unsupported/test/cxx11_tensor_padding.cpp')
-rw-r--r-- | eigen/unsupported/test/cxx11_tensor_padding.cpp | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/eigen/unsupported/test/cxx11_tensor_padding.cpp b/eigen/unsupported/test/cxx11_tensor_padding.cpp new file mode 100644 index 0000000..ffa1989 --- /dev/null +++ b/eigen/unsupported/test/cxx11_tensor_padding.cpp @@ -0,0 +1,93 @@ +// 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; + +template<int DataLayout> +static void test_simple_padding() +{ + Tensor<float, 4, DataLayout> tensor(2,3,5,7); + tensor.setRandom(); + + array<std::pair<ptrdiff_t, ptrdiff_t>, 4> paddings; + paddings[0] = std::make_pair(0, 0); + paddings[1] = std::make_pair(2, 1); + paddings[2] = std::make_pair(3, 4); + paddings[3] = std::make_pair(0, 0); + + Tensor<float, 4, DataLayout> padded; + padded = tensor.pad(paddings); + + VERIFY_IS_EQUAL(padded.dimension(0), 2+0); + VERIFY_IS_EQUAL(padded.dimension(1), 3+3); + VERIFY_IS_EQUAL(padded.dimension(2), 5+7); + VERIFY_IS_EQUAL(padded.dimension(3), 7+0); + + for (int i = 0; i < 2; ++i) { + for (int j = 0; j < 6; ++j) { + for (int k = 0; k < 12; ++k) { + for (int l = 0; l < 7; ++l) { + if (j >= 2 && j < 5 && k >= 3 && k < 8) { + VERIFY_IS_EQUAL(padded(i,j,k,l), tensor(i,j-2,k-3,l)); + } else { + VERIFY_IS_EQUAL(padded(i,j,k,l), 0.0f); + } + } + } + } + } +} + +template<int DataLayout> +static void test_padded_expr() +{ + Tensor<float, 4, DataLayout> tensor(2,3,5,7); + tensor.setRandom(); + + array<std::pair<ptrdiff_t, ptrdiff_t>, 4> paddings; + paddings[0] = std::make_pair(0, 0); + paddings[1] = std::make_pair(2, 1); + paddings[2] = std::make_pair(3, 4); + paddings[3] = std::make_pair(0, 0); + + Eigen::DSizes<ptrdiff_t, 2> reshape_dims; + reshape_dims[0] = 12; + reshape_dims[1] = 84; + + Tensor<float, 2, DataLayout> result; + result = tensor.pad(paddings).reshape(reshape_dims); + + for (int i = 0; i < 2; ++i) { + for (int j = 0; j < 6; ++j) { + for (int k = 0; k < 12; ++k) { + for (int l = 0; l < 7; ++l) { + const float result_value = DataLayout == ColMajor ? + result(i+2*j,k+12*l) : result(j+6*i,l+7*k); + if (j >= 2 && j < 5 && k >= 3 && k < 8) { + VERIFY_IS_EQUAL(result_value, tensor(i,j-2,k-3,l)); + } else { + VERIFY_IS_EQUAL(result_value, 0.0f); + } + } + } + } + } +} + +void test_cxx11_tensor_padding() +{ + CALL_SUBTEST(test_simple_padding<ColMajor>()); + CALL_SUBTEST(test_simple_padding<RowMajor>()); + CALL_SUBTEST(test_padded_expr<ColMajor>()); + CALL_SUBTEST(test_padded_expr<RowMajor>()); +} |