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More tests to validate the const-correctness of the tensor code.

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This commit is contained in:
Benoit Steiner 2014-10-02 10:30:44 -07:00
parent 7caaf6453b
commit 5cc23199be
4 changed files with 51 additions and 1 deletions
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2
Eigen/src/Core/GenericPacketMath.h
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@ -95,6 +95,8 @@ template<typename T> struct packet_traits : default_packet_traits
}; };
}; };
template<typename T> struct packet_traits<const T> : packet_traits<T> { };
/** \internal \returns a + b (coeff-wise) */ /** \internal \returns a + b (coeff-wise) */
template<typename Packet> EIGEN_DEVICE_FUNC inline Packet template<typename Packet> EIGEN_DEVICE_FUNC inline Packet
padd(const Packet& a, padd(const Packet& a,

8
Eigen/src/Core/util/XprHelper.h
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@ -415,6 +415,14 @@ template <typename A> struct promote_storage_type<A,A>
{ {
typedef A ret; typedef A ret;
}; };
template <typename A> struct promote_storage_type<A, const A>
{
typedef A ret;
};
template <typename A> struct promote_storage_type<const A, A>
{
typedef A ret;
};
/** \internal gives the plain matrix or array type to store a row/column/diagonal of a matrix type. /** \internal gives the plain matrix or array type to store a row/column/diagonal of a matrix type.
* \param Scalar optional parameter allowing to pass a different scalar type than the one of the MatrixType. * \param Scalar optional parameter allowing to pass a different scalar type than the one of the MatrixType.

3
unsupported/test/CMakeLists.txt
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@ -106,7 +106,8 @@ if(EIGEN_TEST_CXX11)
ei_add_test(cxx11_tensor_convolution "-std=c++0x") ei_add_test(cxx11_tensor_convolution "-std=c++0x")
ei_add_test(cxx11_tensor_expr "-std=c++0x") ei_add_test(cxx11_tensor_expr "-std=c++0x")
# ei_add_test(cxx11_tensor_fixed_size "-std=c++0x") # ei_add_test(cxx11_tensor_fixed_size "-std=c++0x")
# ei_add_test(cxx11_tensor_of_const_values "-std=c++0x") ei_add_test(cxx11_tensor_const "-std=c++0x")
ei_add_test(cxx11_tensor_of_const_values "-std=c++0x")
ei_add_test(cxx11_tensor_of_strings "-std=c++0x") ei_add_test(cxx11_tensor_of_strings "-std=c++0x")
ei_add_test(cxx11_tensor_intdiv "-std=c++0x") ei_add_test(cxx11_tensor_intdiv "-std=c++0x")
ei_add_test(cxx11_tensor_lvalue "-std=c++0x") ei_add_test(cxx11_tensor_lvalue "-std=c++0x")

39
unsupported/test/cxx11_tensor_const.cpp Normal file
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@ -0,0 +1,39 @@
// 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_simple_assign()
{
Tensor<int, 3> random(2,3,7);
random.setRandom();
TensorMap<Tensor<const int, 3> > constant(random.data(), 2, 3, 7);
Tensor<int, 3> result(2,3,7);
result = constant;
for (int i = 0; i < 2; ++i) {
for (int j = 0; j < 3; ++j) {
for (int k = 0; k < 7; ++k) {
VERIFY_IS_EQUAL((result(i,j,k)), random(i,j,k));
}
}
}
}
void test_cxx11_tensor_const()
{
CALL_SUBTEST(test_simple_assign());
}