minmax.hpp

#ifndef PASTELSYS_MINMAX_HPP
#define PASTELSYS_MINMAX_HPP

#include "pastel/sys/math/minmax.h"

namespace Pastel
{

    template <typename Type>
        void minMax(
        const NoDeduction<Type>& a,
        const NoDeduction<Type>& b,
        Type& min, Type& max)
    {
        if (b < a)
        {
            min = b;
            max = a;
        }
        else
        {
            min = a;
            max = b;
        }
    }

    template <typename Type>
        void minMax(
        const NoDeduction<Type>& a,
        const NoDeduction<Type>& b,
        const NoDeduction<Type>& c,
        Type& min, Type& max)
    {
        if (b < a)
        {
            if (c < b)
            {
                // c < b < a
                min = c;
                max = a;
            }
            else
            {
                // a > b <= c
                min = b;
                if (c < a)
                {
                    max = a;
                }
                else
                {
                    max = c;
                }
            }
        }
        else
        {
            if (c < b)
            {
                // c < b >= a
                max = b;
                if (c < a)
                {
                    min = c;
                }
                else
                {
                    min = a;
                }
            }
            else
            {
                // c >= b >= a
                min = a;
                max = c;
            }
        }
    }

}

#endif