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author | Miao Wang <miaowang@google.com> | 2017-03-06 13:45:08 -0800 |
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committer | Miao Wang <miaowang@google.com> | 2017-03-07 16:30:11 -0800 |
commit | 2b8756b6f1de65d3f8bffab45be6c44ceb7411fc (patch) | |
tree | 0488797fc544fe977bec6418c73445759f052482 /unsupported/test/cxx11_tensor_math.cpp | |
parent | 353bba589de58014a35f8f3666b7b96353c300f8 (diff) | |
download | eigen-2b8756b6f1de65d3f8bffab45be6c44ceb7411fc.tar.gz |
Rebase Eigen to 3.3.3.
Bug: 34161771
Test: mm and RenderScript BLAS tests pass on bullhead.
Change-Id: Ia448b3202708e395fed9c783ea4323289d69dbef
Diffstat (limited to 'unsupported/test/cxx11_tensor_math.cpp')
-rw-r--r-- | unsupported/test/cxx11_tensor_math.cpp | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/unsupported/test/cxx11_tensor_math.cpp b/unsupported/test/cxx11_tensor_math.cpp new file mode 100644 index 000000000..61c742a16 --- /dev/null +++ b/unsupported/test/cxx11_tensor_math.cpp @@ -0,0 +1,46 @@ +// 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> + +using Eigen::Tensor; +using Eigen::RowMajor; + +static void test_tanh() +{ + Tensor<float, 1> vec1(6); + vec1.setRandom(); + + Tensor<float, 1> vec2 = vec1.tanh(); + + for (int i = 0; i < 6; ++i) { + VERIFY_IS_APPROX(vec2(i), tanhf(vec1(i))); + } +} + +static void test_sigmoid() +{ + Tensor<float, 1> vec1(6); + vec1.setRandom(); + + Tensor<float, 1> vec2 = vec1.sigmoid(); + + for (int i = 0; i < 6; ++i) { + VERIFY_IS_APPROX(vec2(i), 1.0f / (1.0f + std::exp(-vec1(i)))); + } +} + + +void test_cxx11_tensor_math() +{ + CALL_SUBTEST(test_tanh()); + CALL_SUBTEST(test_sigmoid()); +} |