filters.h

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#ifndef FILTERS_H
#define FILTERS_H

#include <algorithm>

namespace filters
{
    
    template<typename T>
    static inline const T& clamp(const T &a, const T &b, const T &c)
    {
        return std::min<T>(std::max<T>(b, a), c);
    }

    static inline double exponentialSmoothing(double current_raw_value, double last_smoothed_value, double alpha)
    {
        return alpha*current_raw_value + (1-alpha)*last_smoothed_value;
    }
 }

#endif