cxx11_tensor_custom_index.cpp File Reference

#include "main.h"
#include <limits>
#include <map>
#include <Eigen/Dense>
#include <Eigen/CXX11/Tensor>

Functions
template<int DataLayout>
static void	test_map_as_index ()
template<int DataLayout>
static void	test_matrix_as_index ()
template<int DataLayout>
static void	test_varlist_as_index ()
template<int DataLayout>
static void	test_sizes_as_index ()
	EIGEN_DECLARE_TEST (cxx11_tensor_custom_index)

Function Documentation

EIGEN_DECLARE_TEST()

EIGEN_DECLARE_TEST

(

cxx11_tensor_custom_index

)

                                              {
  test_map_as_index<ColMajor>();
  test_map_as_index<RowMajor>();
  test_matrix_as_index<ColMajor>();
  test_matrix_as_index<RowMajor>();
  test_varlist_as_index<ColMajor>();
  test_varlist_as_index<RowMajor>();
  test_sizes_as_index<ColMajor>();
  test_sizes_as_index<RowMajor>();
}

test_map_as_index()

template<int DataLayout>

static void test_map_as_index ( )

static

                                {
  Tensor<float, 4, DataLayout> tensor(2, 3, 5, 7);
  tensor.setRandom();
 
  using NormalIndex = DSizes<ptrdiff_t, 4>;
  using CustomIndex = std::map<ptrdiff_t, ptrdiff_t>;
  CustomIndex coeffC;
  coeffC[0] = 1;
  coeffC[1] = 2;
  coeffC[2] = 4;
  coeffC[3] = 1;
  NormalIndex coeff(1, 2, 4, 1);
 
  VERIFY_IS_EQUAL(tensor.coeff(coeffC), tensor.coeff(coeff));
  VERIFY_IS_EQUAL(tensor.coeffRef(coeffC), tensor.coeffRef(coeff));
}

References Eigen::Tensor< Scalar_, NumIndices_, Options_, IndexType_ >::coeff(), Eigen::Tensor< Scalar_, NumIndices_, Options_, IndexType_ >::coeffRef(), Eigen::TensorBase< Derived, AccessLevel >::setRandom(), and VERIFY_IS_EQUAL.

test_matrix_as_index()

template<int DataLayout>

static void test_matrix_as_index ( )

static

                                   {
  Tensor<float, 4, DataLayout> tensor(2, 3, 5, 7);
  tensor.setRandom();
 
  using NormalIndex = DSizes<ptrdiff_t, 4>;
  using CustomIndex = Matrix<unsigned int, 4, 1>;
  CustomIndex coeffC(1, 2, 4, 1);
  NormalIndex coeff(1, 2, 4, 1);
 
  VERIFY_IS_EQUAL(tensor.coeff(coeffC), tensor.coeff(coeff));
  VERIFY_IS_EQUAL(tensor.coeffRef(coeffC), tensor.coeffRef(coeff));
}

References Eigen::Tensor< Scalar_, NumIndices_, Options_, IndexType_ >::coeff(), Eigen::Tensor< Scalar_, NumIndices_, Options_, IndexType_ >::coeffRef(), Eigen::TensorBase< Derived, AccessLevel >::setRandom(), and VERIFY_IS_EQUAL.

test_sizes_as_index()

template<int DataLayout>

static void test_sizes_as_index ( )

static

                                  {
  Tensor<float, 4, DataLayout> tensor(2, 3, 5, 7);
  tensor.setRandom();
 
  DSizes<ptrdiff_t, 4> coeff(1, 2, 4, 1);
  Sizes<1, 2, 4, 1> coeffC;
 
  VERIFY_IS_EQUAL(tensor.coeff(coeffC), tensor.coeff(coeff));
  VERIFY_IS_EQUAL(tensor.coeffRef(coeffC), tensor.coeffRef(coeff));
}

References Eigen::Tensor< Scalar_, NumIndices_, Options_, IndexType_ >::coeff(), Eigen::Tensor< Scalar_, NumIndices_, Options_, IndexType_ >::coeffRef(), Eigen::TensorBase< Derived, AccessLevel >::setRandom(), and VERIFY_IS_EQUAL.

test_varlist_as_index()

template<int DataLayout>

static void test_varlist_as_index ( )

static

                                    {
  Tensor<float, 4, DataLayout> tensor(2, 3, 5, 7);
  tensor.setRandom();
 
  DSizes<ptrdiff_t, 4> coeff(1, 2, 4, 1);
 
  VERIFY_IS_EQUAL(tensor.coeff({1, 2, 4, 1}), tensor.coeff(coeff));
  VERIFY_IS_EQUAL(tensor.coeffRef({1, 2, 4, 1}), tensor.coeffRef(coeff));
}

References Eigen::Tensor< Scalar_, NumIndices_, Options_, IndexType_ >::coeff(), Eigen::Tensor< Scalar_, NumIndices_, Options_, IndexType_ >::coeffRef(), Eigen::TensorBase< Derived, AccessLevel >::setRandom(), and VERIFY_IS_EQUAL.