unsupported/test/cxx11_tensor_lvalue.cpp

// 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::RowMajor;
using Eigen::Tensor;

static void test_compound_assignment() {
  Tensor<float, 3> mat1(2, 3, 7);
  Tensor<float, 3> mat2(2, 3, 7);
  Tensor<float, 3> mat3(2, 3, 7);

  mat1.setRandom();
  mat2.setRandom();
  mat3 = mat1;
  mat3 += mat2;

  for (int i = 0; i < 2; ++i) {
    for (int j = 0; j < 3; ++j) {
      for (int k = 0; k < 7; ++k) {
        VERIFY_IS_APPROX(mat3(i, j, k), mat1(i, j, k) + mat2(i, j, k));
      }
    }
  }
}

EIGEN_DECLARE_TEST(cxx11_tensor_lvalue) { CALL_SUBTEST(test_compound_assignment()); }