timestamps.hpp

Go to the documentation of this file.

/*
 * SPDX-FileCopyrightText: Copyright (c) 2019-2024, NVIDIA CORPORATION.
 * SPDX-License-Identifier: Apache-2.0
 */
 
#pragma once
 
#include <cudf/utilities/export.hpp>
#include <cudf/wrappers/durations.hpp>
 
namespace CUDF_EXPORT cudf {
namespace detail {
// TODO: Use chrono::utc_clock when available in libcu++?
template <class Duration>
using time_point = cuda::std::chrono::sys_time<Duration>;  
 
template <class Duration>
using timestamp = time_point<Duration>;
}  // namespace detail
 
using timestamp_D = detail::timestamp<cudf::duration_D>;
using timestamp_h = detail::timestamp<cudf::duration_h>;
using timestamp_m = detail::timestamp<cudf::duration_m>;
using timestamp_s = detail::timestamp<cudf::duration_s>;
using timestamp_ms = detail::timestamp<cudf::duration_ms>;
using timestamp_us = detail::timestamp<cudf::duration_us>;
using timestamp_ns = detail::timestamp<cudf::duration_ns>;
 
static_assert(sizeof(timestamp_D) == sizeof(typename timestamp_D::rep));
static_assert(sizeof(timestamp_h) == sizeof(typename timestamp_h::rep));
static_assert(sizeof(timestamp_m) == sizeof(typename timestamp_m::rep));
static_assert(sizeof(timestamp_s) == sizeof(typename timestamp_s::rep));
static_assert(sizeof(timestamp_ms) == sizeof(typename timestamp_ms::rep));
static_assert(sizeof(timestamp_us) == sizeof(typename timestamp_us::rep));
static_assert(sizeof(timestamp_ns) == sizeof(typename timestamp_ns::rep));
  // end of group
}  // namespace CUDF_EXPORT cudf