b5d9e433
 Peter M. Groen
Fixed License Hea...
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/* ****************************************************************************
* Copyright 2019 Open Systems Development BV *
* *
* 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. *
* ***************************************************************************/
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51becbde
Peter M. Groen
Committed the ent...
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#include <chrono>
#include <type_traits>
// function std::chrono::ceil is added in the c++17 standard.
// Added implementation from https://en.cppreference.com/w/cpp/chrono/duration/ceil
// to this compatibility header. The header only defines this implementation when
// the c++ compiler is used with an older standard.
#if !defined __cpp_lib_chrono || __cpp_lib_chrono < 201611
namespace std {
namespace chrono {
template <class T>
struct is_duration : std::false_type
{
};
template <class Rep, class Period>
struct is_duration<
std::chrono::duration<Rep, Period>> : std::true_type
{
};
template <class To, class Rep, class Period,
class = typename enable_if<is_duration<To>{}>::type>
To ceil(const std::chrono::duration<Rep, Period>& d)
{
To t = std::chrono::duration_cast<To>(d);
if (t < d)
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