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Deleted an invalid assertion that prevented the assignment of empty tensors.

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This commit is contained in:
Benoit Steiner 2016-01-27 17:09:30 -08:00
parent 291069e885
commit 4bf9eaf77a
3 changed files with 37 additions and 1 deletions
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1
unsupported/Eigen/CXX11/src/Tensor/TensorStorage.h
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@ -105,7 +105,6 @@ class TensorStorage<T, DSizes<IndexType, NumIndices_>, Options_>
EIGEN_DEVICE_FUNC void resize(Index size, const array<Index, NumIndices_>& nbDimensions)
{
eigen_assert(size >= 1);
const Index currentSz = internal::array_prod(m_dimensions);
if(size != currentSz)
{

1
unsupported/test/CMakeLists.txt
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@ -147,6 +147,7 @@ if(EIGEN_TEST_CXX11)
ei_add_test(cxx11_tensor_sugar "-std=c++0x")
ei_add_test(cxx11_tensor_fft "-std=c++0x")
ei_add_test(cxx11_tensor_ifft "-std=c++0x")
ei_add_test(cxx11_tensor_empty "-std=c++0x")
endif()

36
unsupported/test/cxx11_tensor_empty.cpp Normal file
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@ -0,0 +1,36 @@
// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2015 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>
static void test_empty_tensor()
{
Tensor<float, 2> source;
Tensor<float, 2> tgt1 = source;
Tensor<float, 2> tgt2;
tgt2 = source;
}
static void test_empty_fixed_size_tensor()
{
TensorFixedSize<float, Sizes<0>> source;
TensorFixedSize<float, Sizes<0>> tgt1 = source;
TensorFixedSize<float, Sizes<0>> tgt2;
tgt2 = source;
}
void test_cxx11_tensor_empty()
{
CALL_SUBTEST(test_empty_tensor());
CALL_SUBTEST(test_empty_fixed_size_tensor());
}