Files
scylladb/utils/div_ceil.hh
Avi Kivity 1c6cecd9d0 utils: introduce div_ceil()
Divides integrals but rounds up rather than down.
2017-05-17 12:30:03 +03:00

31 lines
938 B
C++

/*
* Copyright (C) 2017 ScyllaDB
*/
/*
* This file is part of Scylla.
*
* Scylla is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Scylla 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 Scylla. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
template <typename Dividend, typename Divisor>
inline
// requires Integral<Dividend> && Integral<Divisor>
auto
div_ceil(Dividend dividend, Divisor divisor) {
return (dividend + divisor - 1) / divisor;
}