math_functions.h

#pragma once
 
#include <algorithm>
 
#include "software/geom/circle.h"
#include "software/geom/point.h"
#include "software/geom/rectangle.h"
 
double linear(double value, double offset, double linear_width);
 
double rectangleSigmoid(const Rectangle& rect, const Point& point,
                        const double& sig_width);
 
double circleSigmoid(const Circle& circle, const Point& point, const double& sig_width);
 
double sigmoid(const double& v, const double& offset, const double& sig_width);
 
template <typename T>
T normalizeValueToRange(T value, const T& value_min, const T& value_max,
                        const T& range_min, const T& range_max)
{
    static_assert(std::is_integral<T>::value || std::is_floating_point<T>::value,
                  "Integral or floating point type required.");
    value         = std::clamp<T>(value, value_min, value_max);
    T value_range = value_max - value_min;
    T new_range   = range_max - range_min;
    return new_range / value_range * (value - value_max) + range_max;
}
 
double percent_difference(double a, double b);