.. _program_listing_file_lib_utilities_time.ipp:

Program Listing for File time.ipp
=================================

|exhale_lsh| :ref:`Return to documentation for file <file_lib_utilities_time.ipp>` (``lib/utilities/time.ipp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   // ---------------------------------------------------------------------
   // This file is part of falcon-core.
   //
   // Copyright (C) 2015, 2016, 2017 Neuro-Electronics Research Flanders
   //
   // Falcon-server is free software: you can redistribute it and/or modify
   // it under the terms of the GNU General Public License as published by
   // the Free Software Foundation, either version 3 of the License, or
   // (at your option) any later version.
   //
   // Falcon-server is distributed in the hope that it will be useful,
   // but WITHOUT ANY WARRANTY; without even the implied warranty of
   // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   // GNU General Public License for more details.
   //
   // You should have received a copy of the GNU General Public License
   // along with falcon-core. If not, see <http://www.gnu.org/licenses/>.
   // ---------------------------------------------------------------------
   
   template <typename T> T time2samples(double t, double rate, TruncateFlag flag) {
   
     switch (flag) {
     case (TruncateFlag::FLOOR):
       return static_cast<T>(std::floor(t * rate));
     case (TruncateFlag::CEIL):
       return static_cast<T>(std::ceil(t * rate));
     default:
       return static_cast<T>(std::round(t * rate));
     }
   }
   
   template <typename T> constexpr double samples2time(T nsamples, double rate) {
   
     return static_cast<double>(nsamples / rate);
   }