#ifndef RC_ACTIVATION_H
#define RC_ACTIVATION_H

#include <math.h>

namespace Passer {
namespace RoboidControl {

/// @brief Activation function for control
/// @note This is mainly for future use :-)
class Activation {
public:
  static float HeavisideStep(float inputValue, float bias = 0); // Range: {0,1}

  static float Tanh(float inputValue); // Range: (-1, 1)

  static float Sigmoid(float inputValue); // Range: (0, 1)

  static float Linear(float inputValue, float bias = 0, float range = 0);

  static float Quadratic(float inputValue, float bias = 0,
                         float range = 0); // minValue = bias

  static float ParticleLife(float minValue, float maxValue, float attraction,
                            float inputValue); // minValue = bias
};

} // namespace RoboidControl
} // namespace Passer
using namespace Passer::RoboidControl;

#endif