math.hpp
No OneTemporary
Actions

Size

592 B

Referenced Files

None

Subscribers

None

math.hpp
View Options

	/*******************************************************************************
	*
	* File: math.hpp
	*
	* Contents: Math helpers.
	*
	* Copyright 2017
	*
	* Author: David Juhasz (david.juhasz@tuwien.ac.at)
	*
	******************************************************************************/

	#ifndef ROSA_SUPPORT_MATH_HPP
	#define ROSA_SUPPORT_MATH_HPP

	#include <cstdlib>

	namespace rosa {

	// Computes log base 2 of an integer as a constexpr.
	constexpr size_t log2(const size_t N) {
	return ((N < 2) ? 1 : 1 + log2(N / 2));
	}

	} // End namespace rosa

	#endif // ROSA_SUPPORT_MATH_HPP