https://github.com/Kitware/CMake
Tip revision: 4771c4e447c88a0e6a361d98c2c6f44ac7746ad3 authored by Brad King on 10 December 2019, 14:40:28 UTC
CMake 3.16.1
CMake 3.16.1
Tip revision: 4771c4e
cmDuration.cxx
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#define CMDURATION_CPP
#include "cmDuration.h"
template <typename T>
T cmDurationTo(const cmDuration& duration)
{
/* This works because the comparison operators for duration rely on
* std::common_type.
* So for example duration<int>::max() gets promoted to a duration<double>,
* which can then be safely compared.
*/
if (duration >= std::chrono::duration<T>::max()) {
return std::chrono::duration<T>::max().count();
}
if (duration <= std::chrono::duration<T>::min()) {
return std::chrono::duration<T>::min().count();
}
// Ensure number of seconds by defining ratio<1>
return std::chrono::duration_cast<std::chrono::duration<T, std::ratio<1>>>(
duration)
.count();
}
template int cmDurationTo<int>(const cmDuration&);
template unsigned int cmDurationTo<unsigned int>(const cmDuration&);