banan-os/BAN/include/BAN/Math.h

#pragma once

#include <BAN/Traits.h>

#include <stdint.h>

namespace BAN::Math
{

	template<typename T>
	inline constexpr T min(T a, T b)
	{
		return a < b ? a : b;
	}

	template<typename T>
	inline constexpr T max(T a, T b)
	{
		return a > b ? a : b;
	}

	template<typename T>
	inline constexpr T clamp(T x, T min, T max)
	{
		return x < min ? min : x > max ? max : x;
	}

	template<integral T>
	inline constexpr T gcd(T a, T b)
	{
		T t;
		while (b)
		{
			t = b;
			b = a % b;
			a = t;
		}
		return a;
	}

	template<integral T>
	inline constexpr T lcm(T a, T b)
	{
		return a / gcd(a, b) * b;
	}

	template<integral T>
	inline constexpr T div_round_up(T a, T b)
	{
		return (a + b - 1) / b;
	}

}