Program Listing for File time.ipp

Return to documentation for file (lib/utilities/time.ipp)

// ---------------------------------------------------------------------
// 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);
}