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38 lines
1.1 KiB
C++
38 lines
1.1 KiB
C++
// 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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#define EIGEN_USE_THREADS
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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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void test_cxx11_tensor_thread_pool()
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{
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Eigen::Tensor<float, 3> in1(Eigen::array<ptrdiff_t, 3>(2,3,7));
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Eigen::Tensor<float, 3> in2(Eigen::array<ptrdiff_t, 3>(2,3,7));
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Eigen::Tensor<float, 3> out(Eigen::array<ptrdiff_t, 3>(2,3,7));
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in1.setRandom();
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in2.setRandom();
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Eigen::ThreadPoolDevice thread_pool_device(3);
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out.device(thread_pool_device) = in1 + in2 * 3.14f;
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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_APPROX(out(Eigen::array<ptrdiff_t, 3>(i,j,k)), in1(Eigen::array<ptrdiff_t, 3>(i,j,k)) + in2(Eigen::array<ptrdiff_t, 3>(i,j,k)) * 3.14f);
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}
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}
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}
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}
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