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Diffstat (limited to 'unsupported/test/cxx11_tensor_mixed_indices.cpp')
-rw-r--r-- | unsupported/test/cxx11_tensor_mixed_indices.cpp | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/unsupported/test/cxx11_tensor_mixed_indices.cpp b/unsupported/test/cxx11_tensor_mixed_indices.cpp new file mode 100644 index 000000000..8a12f9207 --- /dev/null +++ b/unsupported/test/cxx11_tensor_mixed_indices.cpp @@ -0,0 +1,55 @@ +// 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; +using Eigen::RowMajor; + +static void test_simple() +{ + Tensor<float, 1> vec1({6}); + Tensor<float, 1, Index32Bit> vec2({6}); + + vec1(0) = 4.0; vec2(0) = 0.0; + vec1(1) = 8.0; vec2(1) = 1.0; + vec1(2) = 15.0; vec2(2) = 2.0; + vec1(3) = 16.0; vec2(3) = 3.0; + vec1(4) = 23.0; vec2(4) = 4.0; + vec1(5) = 42.0; vec2(5) = 5.0; + + float data3[6]; + TensorMap<Tensor<float, 1>> vec3(data3, 6); + vec3 = vec1.sqrt(); + float data4[6]; + TensorMap<Tensor<float, 1, Index32Bit>> vec4(data4, 6); + vec4 = vec2.square(); + + VERIFY_IS_APPROX(vec3(0), sqrtf(4.0)); + VERIFY_IS_APPROX(vec3(1), sqrtf(8.0)); + VERIFY_IS_APPROX(vec3(2), sqrtf(15.0)); + VERIFY_IS_APPROX(vec3(3), sqrtf(16.0)); + VERIFY_IS_APPROX(vec3(4), sqrtf(23.0)); + VERIFY_IS_APPROX(vec3(5), sqrtf(42.0)); + + VERIFY_IS_APPROX(vec4(0), 0.0f); + VERIFY_IS_APPROX(vec4(1), 1.0f); + VERIFY_IS_APPROX(vec4(2), 2.0f * 2.0f); + VERIFY_IS_APPROX(vec4(3), 3.0f * 3.0f); + VERIFY_IS_APPROX(vec4(4), 4.0f * 4.0f); + VERIFY_IS_APPROX(vec4(5), 5.0f * 5.0f); +} + + +void test_cxx11_tensor_mixed_indices() +{ + CALL_SUBTEST(test_simple()); +} |