/*

Copyright (C) 2017-2026 Topological Manifold

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 3 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 <http://www.gnu.org/licenses/>.

*/

#pragma once

#include <array>

#include <cstddef>

namespace ns

{

template <typename T>

[[nodiscard]] constexpr T group_count(const T& size, const T& group_size)

{

return (size + group_size - T{1}) / group_size;

}

template <std::size_t N, typename T>

[[nodiscard]] constexpr std::array<T, N> group_count(const std::array<T, N>& sizes, const std::array<T, N>& group_sizes)

{

std::array<T, N> res;

for (std::size_t i = 0; i < N; ++i)

{

res[i] = group_count(sizes[i], group_sizes[i]);

}

return res;

}

}