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46 lines
990 B
46 lines
990 B
// 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) 2015 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 <Eigen/CXX11/Tensor> |
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using Eigen::Tensor; |
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using Eigen::RowMajor; |
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static void test_tanh() |
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{ |
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Tensor<float, 1> vec1(6); |
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vec1.setRandom(); |
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Tensor<float, 1> vec2 = vec1.tanh(); |
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for (int i = 0; i < 6; ++i) { |
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VERIFY_IS_APPROX(vec2(i), tanhf(vec1(i))); |
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} |
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} |
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static void test_sigmoid() |
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{ |
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Tensor<float, 1> vec1(6); |
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vec1.setRandom(); |
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Tensor<float, 1> vec2 = vec1.sigmoid(); |
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for (int i = 0; i < 6; ++i) { |
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VERIFY_IS_APPROX(vec2(i), 1.0f / (1.0f + std::exp(-vec1(i)))); |
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} |
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} |
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EIGEN_DECLARE_TEST(cxx11_tensor_math) |
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{ |
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CALL_SUBTEST(test_tanh()); |
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CALL_SUBTEST(test_sigmoid()); |
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}
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