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// 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;
static void test_dynamic_size()
{
Eigen::DSizes<int, 3> dimensions(2,3,7);
VERIFY_IS_EQUAL((int)Eigen::internal::array_get<0>(dimensions), 2);
VERIFY_IS_EQUAL((int)Eigen::internal::array_get<1>(dimensions), 3);
VERIFY_IS_EQUAL((int)Eigen::internal::array_get<2>(dimensions), 7);
VERIFY_IS_EQUAL((int)dimensions.TotalSize(), 2*3*7);
VERIFY_IS_EQUAL((int)dimensions[0], 2);
VERIFY_IS_EQUAL((int)dimensions[1], 3);
VERIFY_IS_EQUAL((int)dimensions[2], 7);
}
static void test_fixed_size()
{
Eigen::Sizes<2,3,7> dimensions;
VERIFY_IS_EQUAL((int)Eigen::internal::array_get<0>(dimensions), 2);
VERIFY_IS_EQUAL((int)Eigen::internal::array_get<1>(dimensions), 3);
VERIFY_IS_EQUAL((int)Eigen::internal::array_get<2>(dimensions), 7);
VERIFY_IS_EQUAL((int)dimensions.TotalSize(), 2*3*7);
}
static void test_match()
{
Eigen::DSizes<unsigned int, 3> dyn((unsigned int)2,(unsigned int)3,(unsigned int)7);
Eigen::Sizes<2,3,7> stat;
VERIFY_IS_EQUAL(Eigen::dimensions_match(dyn, stat), true);
Eigen::DSizes<int, 3> dyn1(2,3,7);
Eigen::DSizes<int, 2> dyn2(2,3);
VERIFY_IS_EQUAL(Eigen::dimensions_match(dyn1, dyn2), false);
}
static void test_rank_zero()
{
Eigen::Sizes<> scalar;
VERIFY_IS_EQUAL((int)scalar.TotalSize(), 1);
VERIFY_IS_EQUAL((int)scalar.rank(), 0);
VERIFY_IS_EQUAL((int)internal::array_prod(scalar), 1);
Eigen::DSizes<ptrdiff_t, 0> dscalar;
VERIFY_IS_EQUAL((int)dscalar.TotalSize(), 1);
VERIFY_IS_EQUAL((int)dscalar.rank(), 0);
}
static void test_index_type_promotion() {
Eigen::DSizes<int, 3> src0(1, 2, 3);
Eigen::array<int, 3> src1;
src1[0] = 4;
src1[1] = 5;
src1[2] = 6;
Eigen::DSizes<long, 3> dst0(src0);
Eigen::DSizes<long, 3> dst1(src1);
VERIFY_IS_EQUAL(dst0[0], 1L);
VERIFY_IS_EQUAL(dst0[1], 2L);
VERIFY_IS_EQUAL(dst0[2], 3L);
VERIFY_IS_EQUAL(dst1[0], 4L);
VERIFY_IS_EQUAL(dst1[1], 5L);
VERIFY_IS_EQUAL(dst1[2], 6L);
}
EIGEN_DECLARE_TEST(cxx11_tensor_dimension)
{
CALL_SUBTEST(test_dynamic_size());
CALL_SUBTEST(test_fixed_size());
CALL_SUBTEST(test_match());
CALL_SUBTEST(test_rank_zero());
CALL_SUBTEST(test_index_type_promotion());
}
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