/* Copyright 2021, Ableton AG, Berlin. All rights reserved.
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see .
*
* If you would like to incorporate Link into a proprietary software application,
* please contact .
*/
#pragma once
#include
#include
#include
namespace ableton
{
namespace link
{
template
double median(It begin, It end)
{
const auto n = std::distance(begin, end);
assert(n > 2);
if (n % 2 == 0)
{
std::nth_element(begin, begin + n / 2, end);
std::nth_element(begin, begin + (n - 1) / 2, end);
return (*(begin + (n / 2)) + *(begin + (n - 1) / 2)) / 2.0;
}
else
{
std::nth_element(begin, begin + n / 2, end);
return *(begin + (n / 2));
}
};
} // namespace link
} // namespace ableton