cuda_toolkit/include/__functional/operations.h

// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// SPDX-FileCopyrightText: Copyright (c) 2023 NVIDIA CORPORATION & AFFILIATES.
//
//===----------------------------------------------------------------------===//

#ifndef _LIBCUDACXX___FUNCTIONAL_OPERATIONS_H
#define _LIBCUDACXX___FUNCTIONAL_OPERATIONS_H

#ifndef __cuda_std__
#include <__config>
#endif // __cuda_std__

#include "../__functional/binary_function.h"
#include "../__functional/unary_function.h"
#include "../__utility/forward.h"

#if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC)
#  pragma GCC system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG)
#  pragma clang system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC)
#  pragma system_header
#endif // no system header

_LIBCUDACXX_BEGIN_NAMESPACE_STD

// Arithmetic operations

#if _LIBCUDACXX_STD_VER > 11
template <class _Tp = void>
#else
template <class _Tp>
#endif
struct _LIBCUDACXX_TEMPLATE_VIS plus
    : __binary_function<_Tp, _Tp, _Tp>
{
    typedef _Tp __result_type;  // used by valarray
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    _Tp operator()(const _Tp& __x, const _Tp& __y) const
        {return __x + __y;}
};
_LIBCUDACXX_CTAD_SUPPORTED_FOR_TYPE(plus);

#if _LIBCUDACXX_STD_VER > 11
template <>
struct _LIBCUDACXX_TEMPLATE_VIS plus<void>
{
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    template <class _T1, class _T2>
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    auto operator()(_T1&& __t, _T2&& __u) const
        noexcept(noexcept(_CUDA_VSTD::forward<_T1>(__t) + _CUDA_VSTD::forward<_T2>(__u)))
        -> decltype(      _CUDA_VSTD::forward<_T1>(__t) + _CUDA_VSTD::forward<_T2>(__u))
        { return          _CUDA_VSTD::forward<_T1>(__t) + _CUDA_VSTD::forward<_T2>(__u); }
    typedef void is_transparent;
};
#endif

#if _LIBCUDACXX_STD_VER > 11
template <class _Tp = void>
#else
template <class _Tp>
#endif
struct _LIBCUDACXX_TEMPLATE_VIS minus
    : __binary_function<_Tp, _Tp, _Tp>
{
    typedef _Tp __result_type;  // used by valarray
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    _Tp operator()(const _Tp& __x, const _Tp& __y) const
        {return __x - __y;}
};
_LIBCUDACXX_CTAD_SUPPORTED_FOR_TYPE(minus);

#if _LIBCUDACXX_STD_VER > 11
template <>
struct _LIBCUDACXX_TEMPLATE_VIS minus<void>
{
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    template <class _T1, class _T2>
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    auto operator()(_T1&& __t, _T2&& __u) const
        noexcept(noexcept(_CUDA_VSTD::forward<_T1>(__t) - _CUDA_VSTD::forward<_T2>(__u)))
        -> decltype(      _CUDA_VSTD::forward<_T1>(__t) - _CUDA_VSTD::forward<_T2>(__u))
        { return          _CUDA_VSTD::forward<_T1>(__t) - _CUDA_VSTD::forward<_T2>(__u); }
    typedef void is_transparent;
};
#endif

#if _LIBCUDACXX_STD_VER > 11
template <class _Tp = void>
#else
template <class _Tp>
#endif
struct _LIBCUDACXX_TEMPLATE_VIS multiplies
    : __binary_function<_Tp, _Tp, _Tp>
{
    typedef _Tp __result_type;  // used by valarray
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    _Tp operator()(const _Tp& __x, const _Tp& __y) const
        {return __x * __y;}
};
_LIBCUDACXX_CTAD_SUPPORTED_FOR_TYPE(multiplies);

#if _LIBCUDACXX_STD_VER > 11
template <>
struct _LIBCUDACXX_TEMPLATE_VIS multiplies<void>
{
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    template <class _T1, class _T2>
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    auto operator()(_T1&& __t, _T2&& __u) const
        noexcept(noexcept(_CUDA_VSTD::forward<_T1>(__t) * _CUDA_VSTD::forward<_T2>(__u)))
        -> decltype(      _CUDA_VSTD::forward<_T1>(__t) * _CUDA_VSTD::forward<_T2>(__u))
        { return          _CUDA_VSTD::forward<_T1>(__t) * _CUDA_VSTD::forward<_T2>(__u); }
    typedef void is_transparent;
};
#endif

#if _LIBCUDACXX_STD_VER > 11
template <class _Tp = void>
#else
template <class _Tp>
#endif
struct _LIBCUDACXX_TEMPLATE_VIS divides
    : __binary_function<_Tp, _Tp, _Tp>
{
    typedef _Tp __result_type;  // used by valarray
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    _Tp operator()(const _Tp& __x, const _Tp& __y) const
        {return __x / __y;}
};
_LIBCUDACXX_CTAD_SUPPORTED_FOR_TYPE(divides);

#if _LIBCUDACXX_STD_VER > 11
template <>
struct _LIBCUDACXX_TEMPLATE_VIS divides<void>
{
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    template <class _T1, class _T2>
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    auto operator()(_T1&& __t, _T2&& __u) const
        noexcept(noexcept(_CUDA_VSTD::forward<_T1>(__t) / _CUDA_VSTD::forward<_T2>(__u)))
        -> decltype(      _CUDA_VSTD::forward<_T1>(__t) / _CUDA_VSTD::forward<_T2>(__u))
        { return          _CUDA_VSTD::forward<_T1>(__t) / _CUDA_VSTD::forward<_T2>(__u); }
    typedef void is_transparent;
};
#endif

#if _LIBCUDACXX_STD_VER > 11
template <class _Tp = void>
#else
template <class _Tp>
#endif
struct _LIBCUDACXX_TEMPLATE_VIS modulus
    : __binary_function<_Tp, _Tp, _Tp>
{
    typedef _Tp __result_type;  // used by valarray
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    _Tp operator()(const _Tp& __x, const _Tp& __y) const
        {return __x % __y;}
};
_LIBCUDACXX_CTAD_SUPPORTED_FOR_TYPE(modulus);

#if _LIBCUDACXX_STD_VER > 11
template <>
struct _LIBCUDACXX_TEMPLATE_VIS modulus<void>
{
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    template <class _T1, class _T2>
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    auto operator()(_T1&& __t, _T2&& __u) const
        noexcept(noexcept(_CUDA_VSTD::forward<_T1>(__t) % _CUDA_VSTD::forward<_T2>(__u)))
        -> decltype(      _CUDA_VSTD::forward<_T1>(__t) % _CUDA_VSTD::forward<_T2>(__u))
        { return          _CUDA_VSTD::forward<_T1>(__t) % _CUDA_VSTD::forward<_T2>(__u); }
    typedef void is_transparent;
};
#endif

#if _LIBCUDACXX_STD_VER > 11
template <class _Tp = void>
#else
template <class _Tp>
#endif
struct _LIBCUDACXX_TEMPLATE_VIS negate
    : __unary_function<_Tp, _Tp>
{
    typedef _Tp __result_type;  // used by valarray
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    _Tp operator()(const _Tp& __x) const
        {return -__x;}
};
_LIBCUDACXX_CTAD_SUPPORTED_FOR_TYPE(negate);

#if _LIBCUDACXX_STD_VER > 11
template <>
struct _LIBCUDACXX_TEMPLATE_VIS negate<void>
{
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    template <class _Tp>
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    auto operator()(_Tp&& __x) const
        noexcept(noexcept(- _CUDA_VSTD::forward<_Tp>(__x)))
        -> decltype(      - _CUDA_VSTD::forward<_Tp>(__x))
        { return          - _CUDA_VSTD::forward<_Tp>(__x); }
    typedef void is_transparent;
};
#endif

// Bitwise operations

#if _LIBCUDACXX_STD_VER > 11
template <class _Tp = void>
#else
template <class _Tp>
#endif
struct _LIBCUDACXX_TEMPLATE_VIS bit_and
    : __binary_function<_Tp, _Tp, _Tp>
{
    typedef _Tp __result_type;  // used by valarray
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    _Tp operator()(const _Tp& __x, const _Tp& __y) const
        {return __x & __y;}
};
_LIBCUDACXX_CTAD_SUPPORTED_FOR_TYPE(bit_and);

#if _LIBCUDACXX_STD_VER > 11
template <>
struct _LIBCUDACXX_TEMPLATE_VIS bit_and<void>
{
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    template <class _T1, class _T2>
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    auto operator()(_T1&& __t, _T2&& __u) const
        noexcept(noexcept(_CUDA_VSTD::forward<_T1>(__t) & _CUDA_VSTD::forward<_T2>(__u)))
        -> decltype(      _CUDA_VSTD::forward<_T1>(__t) & _CUDA_VSTD::forward<_T2>(__u))
        { return          _CUDA_VSTD::forward<_T1>(__t) & _CUDA_VSTD::forward<_T2>(__u); }
    typedef void is_transparent;
};
#endif

#if _LIBCUDACXX_STD_VER > 11
template <class _Tp = void>
struct _LIBCUDACXX_TEMPLATE_VIS bit_not
    : __unary_function<_Tp, _Tp>
{
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    _Tp operator()(const _Tp& __x) const
        {return ~__x;}
};
_LIBCUDACXX_CTAD_SUPPORTED_FOR_TYPE(bit_not);

template <>
struct _LIBCUDACXX_TEMPLATE_VIS bit_not<void>
{
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    template <class _Tp>
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    auto operator()(_Tp&& __x) const
        noexcept(noexcept(~_CUDA_VSTD::forward<_Tp>(__x)))
        -> decltype(      ~_CUDA_VSTD::forward<_Tp>(__x))
        { return          ~_CUDA_VSTD::forward<_Tp>(__x); }
    typedef void is_transparent;
};
#endif

#if _LIBCUDACXX_STD_VER > 11
template <class _Tp = void>
#else
template <class _Tp>
#endif
struct _LIBCUDACXX_TEMPLATE_VIS bit_or
    : __binary_function<_Tp, _Tp, _Tp>
{
    typedef _Tp __result_type;  // used by valarray
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    _Tp operator()(const _Tp& __x, const _Tp& __y) const
        {return __x | __y;}
};
_LIBCUDACXX_CTAD_SUPPORTED_FOR_TYPE(bit_or);

#if _LIBCUDACXX_STD_VER > 11
template <>
struct _LIBCUDACXX_TEMPLATE_VIS bit_or<void>
{
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    template <class _T1, class _T2>
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    auto operator()(_T1&& __t, _T2&& __u) const
        noexcept(noexcept(_CUDA_VSTD::forward<_T1>(__t) | _CUDA_VSTD::forward<_T2>(__u)))
        -> decltype(      _CUDA_VSTD::forward<_T1>(__t) | _CUDA_VSTD::forward<_T2>(__u))
        { return          _CUDA_VSTD::forward<_T1>(__t) | _CUDA_VSTD::forward<_T2>(__u); }
    typedef void is_transparent;
};
#endif

#if _LIBCUDACXX_STD_VER > 11
template <class _Tp = void>
#else
template <class _Tp>
#endif
struct _LIBCUDACXX_TEMPLATE_VIS bit_xor
    : __binary_function<_Tp, _Tp, _Tp>
{
    typedef _Tp __result_type;  // used by valarray
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    _Tp operator()(const _Tp& __x, const _Tp& __y) const
        {return __x ^ __y;}
};
_LIBCUDACXX_CTAD_SUPPORTED_FOR_TYPE(bit_xor);

#if _LIBCUDACXX_STD_VER > 11
template <>
struct _LIBCUDACXX_TEMPLATE_VIS bit_xor<void>
{
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    template <class _T1, class _T2>
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    auto operator()(_T1&& __t, _T2&& __u) const
        noexcept(noexcept(_CUDA_VSTD::forward<_T1>(__t) ^ _CUDA_VSTD::forward<_T2>(__u)))
        -> decltype(      _CUDA_VSTD::forward<_T1>(__t) ^ _CUDA_VSTD::forward<_T2>(__u))
        { return          _CUDA_VSTD::forward<_T1>(__t) ^ _CUDA_VSTD::forward<_T2>(__u); }
    typedef void is_transparent;
};
#endif

// Comparison operations

#if _LIBCUDACXX_STD_VER > 11
template <class _Tp = void>
#else
template <class _Tp>
#endif
struct _LIBCUDACXX_TEMPLATE_VIS equal_to
    : __binary_function<_Tp, _Tp, bool>
{
    typedef bool __result_type;  // used by valarray
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    bool operator()(const _Tp& __x, const _Tp& __y) const
        {return __x == __y;}
};
_LIBCUDACXX_CTAD_SUPPORTED_FOR_TYPE(equal_to);

#if _LIBCUDACXX_STD_VER > 11
template <>
struct _LIBCUDACXX_TEMPLATE_VIS equal_to<void>
{
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    template <class _T1, class _T2>
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    auto operator()(_T1&& __t, _T2&& __u) const
        noexcept(noexcept(_CUDA_VSTD::forward<_T1>(__t) == _CUDA_VSTD::forward<_T2>(__u)))
        -> decltype(      _CUDA_VSTD::forward<_T1>(__t) == _CUDA_VSTD::forward<_T2>(__u))
        { return          _CUDA_VSTD::forward<_T1>(__t) == _CUDA_VSTD::forward<_T2>(__u); }
    typedef void is_transparent;
};
#endif

#if _LIBCUDACXX_STD_VER > 11
template <class _Tp = void>
#else
template <class _Tp>
#endif
struct _LIBCUDACXX_TEMPLATE_VIS not_equal_to
    : __binary_function<_Tp, _Tp, bool>
{
    typedef bool __result_type;  // used by valarray
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    bool operator()(const _Tp& __x, const _Tp& __y) const
        {return __x != __y;}
};
_LIBCUDACXX_CTAD_SUPPORTED_FOR_TYPE(not_equal_to);

#if _LIBCUDACXX_STD_VER > 11
template <>
struct _LIBCUDACXX_TEMPLATE_VIS not_equal_to<void>
{
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    template <class _T1, class _T2>
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    auto operator()(_T1&& __t, _T2&& __u) const
        noexcept(noexcept(_CUDA_VSTD::forward<_T1>(__t) != _CUDA_VSTD::forward<_T2>(__u)))
        -> decltype(      _CUDA_VSTD::forward<_T1>(__t) != _CUDA_VSTD::forward<_T2>(__u))
        { return          _CUDA_VSTD::forward<_T1>(__t) != _CUDA_VSTD::forward<_T2>(__u); }
    typedef void is_transparent;
};
#endif

#if _LIBCUDACXX_STD_VER > 11
template <class _Tp = void>
#else
template <class _Tp>
#endif
struct _LIBCUDACXX_TEMPLATE_VIS less
    : __binary_function<_Tp, _Tp, bool>
{
    typedef bool __result_type;  // used by valarray
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    bool operator()(const _Tp& __x, const _Tp& __y) const
        {return __x < __y;}
};
_LIBCUDACXX_CTAD_SUPPORTED_FOR_TYPE(less);

#if _LIBCUDACXX_STD_VER > 11
template <>
struct _LIBCUDACXX_TEMPLATE_VIS less<void>
{
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    template <class _T1, class _T2>
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    auto operator()(_T1&& __t, _T2&& __u) const
        noexcept(noexcept(_CUDA_VSTD::forward<_T1>(__t) < _CUDA_VSTD::forward<_T2>(__u)))
        -> decltype(      _CUDA_VSTD::forward<_T1>(__t) < _CUDA_VSTD::forward<_T2>(__u))
        { return          _CUDA_VSTD::forward<_T1>(__t) < _CUDA_VSTD::forward<_T2>(__u); }
    typedef void is_transparent;
};
#endif

#if _LIBCUDACXX_STD_VER > 11
template <class _Tp = void>
#else
template <class _Tp>
#endif
struct _LIBCUDACXX_TEMPLATE_VIS less_equal
    : __binary_function<_Tp, _Tp, bool>
{
    typedef bool __result_type;  // used by valarray
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    bool operator()(const _Tp& __x, const _Tp& __y) const
        {return __x <= __y;}
};
_LIBCUDACXX_CTAD_SUPPORTED_FOR_TYPE(less_equal);

#if _LIBCUDACXX_STD_VER > 11
template <>
struct _LIBCUDACXX_TEMPLATE_VIS less_equal<void>
{
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    template <class _T1, class _T2>
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    auto operator()(_T1&& __t, _T2&& __u) const
        noexcept(noexcept(_CUDA_VSTD::forward<_T1>(__t) <= _CUDA_VSTD::forward<_T2>(__u)))
        -> decltype(      _CUDA_VSTD::forward<_T1>(__t) <= _CUDA_VSTD::forward<_T2>(__u))
        { return          _CUDA_VSTD::forward<_T1>(__t) <= _CUDA_VSTD::forward<_T2>(__u); }
    typedef void is_transparent;
};
#endif

#if _LIBCUDACXX_STD_VER > 11
template <class _Tp = void>
#else
template <class _Tp>
#endif
struct _LIBCUDACXX_TEMPLATE_VIS greater_equal
    : __binary_function<_Tp, _Tp, bool>
{
    typedef bool __result_type;  // used by valarray
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    bool operator()(const _Tp& __x, const _Tp& __y) const
        {return __x >= __y;}
};
_LIBCUDACXX_CTAD_SUPPORTED_FOR_TYPE(greater_equal);

#if _LIBCUDACXX_STD_VER > 11
template <>
struct _LIBCUDACXX_TEMPLATE_VIS greater_equal<void>
{
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    template <class _T1, class _T2>
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    auto operator()(_T1&& __t, _T2&& __u) const
        noexcept(noexcept(_CUDA_VSTD::forward<_T1>(__t) >= _CUDA_VSTD::forward<_T2>(__u)))
        -> decltype(      _CUDA_VSTD::forward<_T1>(__t) >= _CUDA_VSTD::forward<_T2>(__u))
        { return          _CUDA_VSTD::forward<_T1>(__t) >= _CUDA_VSTD::forward<_T2>(__u); }
    typedef void is_transparent;
};
#endif

#if _LIBCUDACXX_STD_VER > 11
template <class _Tp = void>
#else
template <class _Tp>
#endif
struct _LIBCUDACXX_TEMPLATE_VIS greater
    : __binary_function<_Tp, _Tp, bool>
{
    typedef bool __result_type;  // used by valarray
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    bool operator()(const _Tp& __x, const _Tp& __y) const
        {return __x > __y;}
};
_LIBCUDACXX_CTAD_SUPPORTED_FOR_TYPE(greater);

#if _LIBCUDACXX_STD_VER > 11
template <>
struct _LIBCUDACXX_TEMPLATE_VIS greater<void>
{
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    template <class _T1, class _T2>
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    auto operator()(_T1&& __t, _T2&& __u) const
        noexcept(noexcept(_CUDA_VSTD::forward<_T1>(__t) > _CUDA_VSTD::forward<_T2>(__u)))
        -> decltype(      _CUDA_VSTD::forward<_T1>(__t) > _CUDA_VSTD::forward<_T2>(__u))
        { return          _CUDA_VSTD::forward<_T1>(__t) > _CUDA_VSTD::forward<_T2>(__u); }
    typedef void is_transparent;
};
#endif

// Logical operations

#if _LIBCUDACXX_STD_VER > 11
template <class _Tp = void>
#else
template <class _Tp>
#endif
struct _LIBCUDACXX_TEMPLATE_VIS logical_and
    : __binary_function<_Tp, _Tp, bool>
{
    typedef bool __result_type;  // used by valarray
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    bool operator()(const _Tp& __x, const _Tp& __y) const
        {return __x && __y;}
};
_LIBCUDACXX_CTAD_SUPPORTED_FOR_TYPE(logical_and);

#if _LIBCUDACXX_STD_VER > 11
template <>
struct _LIBCUDACXX_TEMPLATE_VIS logical_and<void>
{
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    template <class _T1, class _T2>
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    auto operator()(_T1&& __t, _T2&& __u) const
        noexcept(noexcept(_CUDA_VSTD::forward<_T1>(__t) && _CUDA_VSTD::forward<_T2>(__u)))
        -> decltype(      _CUDA_VSTD::forward<_T1>(__t) && _CUDA_VSTD::forward<_T2>(__u))
        { return          _CUDA_VSTD::forward<_T1>(__t) && _CUDA_VSTD::forward<_T2>(__u); }
    typedef void is_transparent;
};
#endif

#if _LIBCUDACXX_STD_VER > 11
template <class _Tp = void>
#else
template <class _Tp>
#endif
struct _LIBCUDACXX_TEMPLATE_VIS logical_not
    : __unary_function<_Tp, bool>
{
    typedef bool __result_type;  // used by valarray
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    bool operator()(const _Tp& __x) const
        {return !__x;}
};
_LIBCUDACXX_CTAD_SUPPORTED_FOR_TYPE(logical_not);

#if _LIBCUDACXX_STD_VER > 11
template <>
struct _LIBCUDACXX_TEMPLATE_VIS logical_not<void>
{
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    template <class _Tp>
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    auto operator()(_Tp&& __x) const
        noexcept(noexcept(!_CUDA_VSTD::forward<_Tp>(__x)))
        -> decltype(      !_CUDA_VSTD::forward<_Tp>(__x))
        { return          !_CUDA_VSTD::forward<_Tp>(__x); }
    typedef void is_transparent;
};
#endif

#if _LIBCUDACXX_STD_VER > 11
template <class _Tp = void>
#else
template <class _Tp>
#endif
struct _LIBCUDACXX_TEMPLATE_VIS logical_or
    : __binary_function<_Tp, _Tp, bool>
{
    typedef bool __result_type;  // used by valarray
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    bool operator()(const _Tp& __x, const _Tp& __y) const
        {return __x || __y;}
};
_LIBCUDACXX_CTAD_SUPPORTED_FOR_TYPE(logical_or);

#if _LIBCUDACXX_STD_VER > 11
template <>
struct _LIBCUDACXX_TEMPLATE_VIS logical_or<void>
{
    _LIBCUDACXX_DISABLE_EXEC_CHECK
    template <class _T1, class _T2>
    _LIBCUDACXX_CONSTEXPR_AFTER_CXX11 _LIBCUDACXX_INLINE_VISIBILITY
    auto operator()(_T1&& __t, _T2&& __u) const
        noexcept(noexcept(_CUDA_VSTD::forward<_T1>(__t) || _CUDA_VSTD::forward<_T2>(__u)))
        -> decltype(      _CUDA_VSTD::forward<_T1>(__t) || _CUDA_VSTD::forward<_T2>(__u))
        { return          _CUDA_VSTD::forward<_T1>(__t) || _CUDA_VSTD::forward<_T2>(__u); }
    typedef void is_transparent;
};
#endif

_LIBCUDACXX_END_NAMESPACE_STD

#endif // _LIBCUDACXX___FUNCTIONAL_OPERATIONS_H