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/***************************************************************************
* Copyright (c) Johan Mabille, Sylvain Corlay, Wolf Vollprecht and *
* Martin Renou *
* Copyright (c) QuantStack *
* Copyright (c) Serge Guelton *
* *
* Distributed under the terms of the BSD 3-Clause License. *
* *
* The full license is in the file LICENSE, distributed with this software. *
****************************************************************************/
#ifndef XSIMD_EMULATED_REGISTER_HPP
#define XSIMD_EMULATED_REGISTER_HPP
#include "./xsimd_generic_arch.hpp"
#include "./xsimd_register.hpp"
namespace xsimd
{
/**
* @ingroup architectures
*
* emulated instructions
*/
template <size_t N>
struct emulated : generic
{
static constexpr bool supported() noexcept { return true; }
static constexpr bool available() noexcept { return true; }
static constexpr bool requires_alignment() noexcept { return false; }
static constexpr std::size_t alignment() noexcept { return 8; }
static constexpr char const* name() noexcept { return "emulated"; }
};
namespace types
{
template <size_t N>
struct simd_emulated_bool_register
{
using register_type = std::array<bool, N>;
register_type data;
simd_emulated_bool_register() = default;
simd_emulated_bool_register(register_type r) { data = r; }
operator register_type() const noexcept { return data; }
};
template <typename T, size_t N>
struct get_bool_simd_register<T, emulated<N>>
{
using type = simd_emulated_bool_register<N / (8 * sizeof(T))>;
};
template <typename T, size_t N>
struct simd_register<T, emulated<N>>
{
static_assert(N % (8 * sizeof(T)) == 0, "bit width must be a multiple of scalar width");
using register_type = std::array<T, N / (8 * sizeof(T))>;
register_type data;
inline operator register_type() const noexcept
{
return data;
}
};
template <typename T, size_t N>
struct has_simd_register<T, emulated<N>> : std::is_scalar<T>
{
};
template <typename T, size_t N>
struct has_simd_register<std::complex<T>, emulated<N>> : std::true_type
{
};
#ifdef XSIMD_ENABLE_XTL_COMPLEX
template <typename T, bool i3ec, size_t N>
struct has_simd_register<xtl::complex<T, T, i3ec>, emulated<N>> : std::true_type
{
};
#endif
}
}
#endif
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