Remove unneeded make_precision

This commit is contained in:
Howard Hinnant 2019-02-03 23:21:36 -05:00
parent 09a19a09f4
commit 5a62c405e0
3 changed files with 7 additions and 85 deletions

View File

@ -3694,21 +3694,6 @@ struct static_pow10<0>
static CONSTDATA std::uint64_t value = 1;
};
template <class Rep, unsigned w, bool in_range = (w < 19)>
struct make_precision
{
using type = std::chrono::duration<Rep,
std::ratio<1, static_pow10<w>::value>>;
static CONSTDATA unsigned width = w;
};
template <class Rep, unsigned w>
struct make_precision<Rep, w, false>
{
using type = std::chrono::duration<Rep, std::micro>;
static CONSTDATA unsigned width = 6;
};
template <class Duration>
class decimal_format_seconds
{

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@ -20,16 +20,16 @@
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
// template <class Duration,
// unsigned w = width<std::common_type<
// Duration,
// std::chrono::seconds>::type::period::den>::value>
// template <class Duration>
// class decimal_format_seconds
// {
// using CT = typename std::common_type<Duration, std::chrono::seconds>::type;
// using rep = typename CT::rep;
// public:
// using precision = typename make_precision<w>::type;
// static auto constexpr width = make_precision<w>::width;
//
// static unsigned constexpr width = detail::width<CT::period::den>::value < 19 ?
// detail::width<CT::period::den>::value : 6u;
// using precision = std::chrono::duration<rep,
// std::ratio<1, static_pow10<width>::value>>;
// private:
// std::chrono::seconds s_;
// precision sub_s_;

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@ -1,63 +0,0 @@
// The MIT License (MIT)
//
// Copyright (c) 2017 Howard Hinnant
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
// template <unsigned w>
// struct make_precision
// {
// using type = std::chrono::duration<std::int64_t,
// std::ratio<1, static_pow10<w>::value>>;
// static constexpr unsigned width = w;
// };
#include "date.h"
#include <cstdint>
#include <type_traits>
int
main()
{
using namespace date::detail;
using namespace std;
using namespace std::chrono;
static_assert(make_precision<int64_t, 0>::width == 0, "");
static_assert(is_same<make_precision<int64_t, 0>::type, duration<int64_t, ratio<1, 1>>>{}, "");
static_assert(make_precision<int64_t, 1>::width == 1, "");
static_assert(is_same<make_precision<int64_t, 1>::type, duration<int64_t, ratio<1, 10>>>{}, "");
static_assert(make_precision<int64_t, 2>::width == 2, "");
static_assert(is_same<make_precision<int64_t, 2>::type, duration<int64_t, ratio<1, 100>>>{}, "");
static_assert(make_precision<int64_t, 3>::width == 3, "");
static_assert(is_same<make_precision<int64_t, 3>::type, duration<int64_t, ratio<1, 1000>>>{}, "");
static_assert(make_precision<int64_t, 18>::width == 18, "");
static_assert(is_same<make_precision<int64_t, 18>::type, duration<int64_t, ratio<1, 1000000000000000000>>>{}, "");
static_assert(make_precision<int64_t, 19>::width == 6, "");
static_assert(is_same<make_precision<int64_t, 19>::type, microseconds>{}, "");
static_assert(make_precision<int64_t, 20>::width == 6, "");
static_assert(is_same<make_precision<int64_t, 20>::type, microseconds>{}, "");
}