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/*
Author: Shane Neph
Date: Mon Jun 5 13:34:58 PDT 2017
*/
//
// BEDOPS
// Copyright (C) 2011-2022 Shane Neph, Scott Kuehn and Alex Reynolds
//
// 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, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
#ifndef UTILS_COMPILERMATH
#define UTILS_COMPILERMATH
#include <cstddef>
namespace Ext {
template <std::size_t Base, std::size_t L, bool b=(L<=Base)>
struct IntLogN {
static constexpr std::size_t value = 1 + IntLogN<Base, L/Base + (L%Base > 0)>::value;
};
template <std::size_t Base, std::size_t L>
struct IntLogN<Base, L, true> {
static constexpr std::size_t value = 1;
};
template <std::size_t V, std::size_t W>
struct Pow {
static constexpr std::size_t value = V*Pow<V, W-1>::value;
};
template <std::size_t V>
struct Pow<V,1> {
static constexpr std::size_t value = V;
};
template <std::size_t V>
struct Pow<V,0> {
static constexpr std::size_t value = 0;
};
} // namespace Ext
#endif // UTILS_COMPILERMATH
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