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/***************************************************************************
* Copyright (c) Johan Mabille, Sylvain Corlay and Wolf Vollprecht *
* Copyright (c) QuantStack *
* *
* Distributed under the terms of the BSD 3-Clause License. *
* *
* The full license is in the file LICENSE, distributed with this software. *
****************************************************************************/
#include <iterator>
#include <type_traits>
#include <vector>
#include "xtensor/xarray.hpp"
#include "xtensor/xassign.hpp"
#include "xtensor/xnoalias.hpp"
#include "xtensor/xtensor.hpp"
#include "test_common.hpp"
#include "test_common_macros.hpp"
// a dummy shape *not derived* from std::vector but compatible
template <class T>
class my_vector
{
private:
using vector_type = std::vector<T>;
public:
using value_type = T;
using size_type = typename vector_type::size_type;
template <class U>
my_vector(std::initializer_list<U> vals)
: m_data(vals.begin(), vals.end())
{
}
my_vector(const std::size_t size = 0, const T& val = T())
: m_data(size, val)
{
}
auto resize(const std::size_t size)
{
return m_data.resize(size);
}
auto size() const
{
return m_data.size();
}
auto cend() const
{
return m_data.cend();
}
auto cbegin() const
{
return m_data.cbegin();
}
auto end()
{
return m_data.end();
}
auto end() const
{
return m_data.end();
}
auto begin()
{
return m_data.begin();
}
auto begin() const
{
return m_data.begin();
}
auto rbegin() const
{
return std::make_reverse_iterator(end());
}
auto rend() const
{
return std::make_reverse_iterator(begin());
}
auto empty() const
{
return m_data.empty();
}
auto& back()
{
return m_data.back();
}
const auto& back() const
{
return m_data.back();
}
auto& front()
{
return m_data.front();
}
const auto& front() const
{
return m_data.front();
}
auto& operator[](const std::size_t i)
{
return m_data[i];
}
const auto& operator[](const std::size_t i) const
{
return m_data[i];
}
private:
std::vector<T> m_data;
};
namespace xt
{
template <class T, class C_T>
struct rebind_container<T, my_vector<C_T>>
{
using type = my_vector<T>;
};
TEST(xassign, mix_shape_types)
{
{
// xarray like with custom shape
using my_xarray = xt::xarray_container<std::vector<int>, xt::layout_type::row_major, my_vector<std::size_t>>;
auto a = my_xarray::from_shape({1, 3});
auto b = xt::xtensor<int, 2>::from_shape({2, 3});
xt::noalias(a) += b;
EXPECT_EQ(a.dimension(), 2);
EXPECT_EQ(a.shape(0), 2);
EXPECT_EQ(a.shape(1), 3);
}
{
// xarray like with custom shape
using my_xarray = xt::xarray_container<std::vector<int>, xt::layout_type::row_major, my_vector<std::size_t>>;
auto a = my_xarray::from_shape({3});
auto b = xt::xtensor<int, 2>::from_shape({2, 3});
xt::noalias(a) += b;
EXPECT_EQ(a.dimension(), 2);
EXPECT_EQ(a.shape(0), 2);
EXPECT_EQ(a.shape(1), 3);
}
}
}
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