xtensor/test/test_xsimd.cpp at master · xtensor-stack/xtensor · GitHub

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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. *

****************************************************************************/

#if defined(_MSC_VER) && !defined(__clang__)

#define VS_SKIP_XFIXED 1

#endif

// xfixed leads to ICE in debug mode, this provides

// an easy way to prevent compilation

#ifndef VS_SKIP_XFIXED

#if (_MSC_VER < 1910 && _WIN64) || (_MSC_VER >= 1910) || !defined(_MSC_VER)

#include <complex>

#include <limits>

#include "xtensor/containers/xfixed.hpp"

#include "xtensor/core/xtensor_config.hpp"

#include "test_common_macros.hpp"

// On VS2015, when compiling in x86 mode, alignas(T) leads to C2718

// when used for a function parameter, even indirectly. This means that

// we cannot pass parameters whose class is declared with alignas specifier

// or any type wrapping or inheriting from such a type.

// The xtensor_fixed class internally uses aligned_array which is declared as

// alignas(something_different_from_0), hence the workaround.

#if _MSC_VER < 1910 && !_WIN64

#define VS_X86_WORKAROUND 1

#endif

template <typename T>

class alignas(XTENSOR_FIXED_ALIGN) Foo

{

public:

using allocator_type = std::conditional_t<

XTENSOR_FIXED_ALIGN != 0,

xt_simd::aligned_allocator<T, XTENSOR_FIXED_ALIGN>,

std::allocator<T>>;

Foo(T fac)

: m_fac(fac)

{

m_bar.fill(fac);

}

auto get() const

{

return m_bar;

}

private:

xt::xtensor_fixed<T, xt::xshape<10, 10>> m_bar;

T m_fac;

};

namespace xt

{

TEST(xsimd, alignas)

{

int fac = 10;

Foo<int> foo(10);

EXPECT_TRUE(xt::sum(foo.get())() == fac * 10 * 10);

}

#endif

#endif // VS_SKIP_XFIXED

xtensor/test/test_xsimd.cpp at master · xtensor-stack/xtensor · GitHub

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