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

* 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. *

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

#ifndef XTENSOR_CONFIG_HPP

#define XTENSOR_CONFIG_HPP

#define XTENSOR_VERSION_MAJOR 0

#define XTENSOR_VERSION_MINOR 21

#define XTENSOR_VERSION_PATCH 3

// DETECT 3.6 <= clang < 3.8 for compiler bug workaround.

#ifdef __clang__

#if __clang_major__ == 3 && __clang_minor__ < 8

#define X_OLD_CLANG

#include <initializer_list>

#include <vector>

#endif

#endif

// Define if the library is going to be using exceptions.

#if (!defined(__cpp_exceptions) && !defined(__EXCEPTIONS) && !defined(_CPPUNWIND))

#undef XTENSOR_DISABLE_EXCEPTIONS

#define XTENSOR_DISABLE_EXCEPTIONS

#endif

// Exception support.

#if defined(XTENSOR_DISABLE_EXCEPTIONS)

#define XTENSOR_THROW(_, msg) \

{ \

std::cerr << msg << std::endl; \

std::abort(); \

}

#else

#define XTENSOR_THROW(exception, msg) throw exception(msg)

#endif

// Workaround for some missing constexpr functionality in MSVC 2015 and MSVC 2017 x86

#if defined(_MSC_VER)

#define XTENSOR_CONSTEXPR_ENHANCED const

// The following must not be defined to const, otherwise

// it prevents generation of copy operators of classes

// containing XTENSOR_CONSTEXPR_ENHANCED_STATIC members

#define XTENSOR_CONSTEXPR_ENHANCED_STATIC

#define XTENSOR_CONSTEXPR_RETURN inline

#else

#define XTENSOR_CONSTEXPR_ENHANCED constexpr

#define XTENSOR_CONSTEXPR_RETURN constexpr

#define XTENSOR_CONSTEXPR_ENHANCED_STATIC constexpr static

#define XTENSOR_HAS_CONSTEXPR_ENHANCED

#endif

#ifndef XTENSOR_DEFAULT_DATA_CONTAINER

#define XTENSOR_DEFAULT_DATA_CONTAINER(T, A) uvector<T, A>

#endif

#ifndef XTENSOR_DEFAULT_SHAPE_CONTAINER

#define XTENSOR_DEFAULT_SHAPE_CONTAINER(T, EA, SA) \

xt::svector<typename XTENSOR_DEFAULT_DATA_CONTAINER(T, EA)::size_type, 4, SA, true>

#endif

#ifndef XTENSOR_DEFAULT_ALLOCATOR

#ifdef XTENSOR_ALLOC_TRACKING

#ifndef XTENSOR_ALLOC_TRACKING_POLICY

#define XTENSOR_ALLOC_TRACKING_POLICY xt::alloc_tracking::policy::print

#endif

#ifdef XTENSOR_USE_XSIMD

#include <xsimd/xsimd.hpp>

#define XTENSOR_DEFAULT_ALLOCATOR(T) \

xt::tracking_allocator<T, xsimd::aligned_allocator<T, XSIMD_DEFAULT_ALIGNMENT>, XTENSOR_ALLOC_TRACKING_POLICY>

#else

#define XTENSOR_DEFAULT_ALLOCATOR(T) \

xt::tracking_allocator<T, std::allocator<T>, XTENSOR_ALLOC_TRACKING_POLICY>

#endif

#else

#ifdef XTENSOR_USE_XSIMD

#include <xsimd/xsimd.hpp>

#define XTENSOR_DEFAULT_ALLOCATOR(T) \

xsimd::aligned_allocator<T, XSIMD_DEFAULT_ALIGNMENT>

#else

#define XTENSOR_DEFAULT_ALLOCATOR(T) \

std::allocator<T>

#endif

#endif

#endif

#ifndef XTENSOR_DEFAULT_ALIGNMENT

#ifdef XTENSOR_USE_XSIMD

#define XTENSOR_DEFAULT_ALIGNMENT XSIMD_DEFAULT_ALIGNMENT

#else

#define XTENSOR_DEFAULT_ALIGNMENT 0

#endif

#endif

#ifndef XTENSOR_DEFAULT_LAYOUT

#define XTENSOR_DEFAULT_LAYOUT ::xt::layout_type::row_major

#endif

#ifndef XTENSOR_DEFAULT_TRAVERSAL

#define XTENSOR_DEFAULT_TRAVERSAL ::xt::layout_type::row_major

#endif

#ifndef XTENSOR_OPENMP_TRESHOLD

#define XTENSOR_OPENMP_TRESHOLD 0

#endif

#ifdef IN_DOXYGEN

namespace xtl

{

template <class... T>

struct conjunction

{

constexpr bool value = true;

};

template <class... C>

using check_concept = std::enable_if_t<conjunction<C...>::value, int>;

#define XTL_REQUIRES(...) xtl::check_concept<__VA_ARGS__> = 0

}

#endif

#endif