| /* Distributed under the OSI-approved BSD 3-Clause License. See accompanying |
| file Copyright.txt or https://cmake.org/licensing for details. */ |
| #pragma once |
| |
| #include <chrono> |
| #include <ratio> |
| |
| using cmDuration = std::chrono::duration<double, std::ratio<1>>; |
| |
| /* |
| * This function will return number of seconds in the requested type T. |
| * |
| * A duration_cast from duration<double> to duration<T> will not yield what |
| * one might expect if the double representation does not fit into type T. |
| * This function aims to safely convert, by clamping the double value between |
| * the permissible valid values for T. |
| */ |
| template <typename T> |
| T cmDurationTo(const cmDuration& duration); |
| |
| #ifndef CMDURATION_CPP |
| extern template int cmDurationTo<int>(const cmDuration&); |
| extern template unsigned int cmDurationTo<unsigned int>(const cmDuration&); |
| #endif |
