source.h

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#ifndef SOURCE_H
#define SOURCE_H

#include <itpp/base/vec.h>
#include <itpp/itexports.h>

namespace itpp
{


class ITPP_EXPORT Sine_Source
{
public:
  Sine_Source(double freq, double mean = 0.0, double ampl = 1.0, double inphase = 0.0);
  double operator()() { return sample(); }
  vec operator()(int n);
  mat operator()(int h, int w);
protected:
private:
  double sample();
  double m, A, theta, dtheta;
};

class ITPP_EXPORT Square_Source
{
public:
  Square_Source(double freq, double mean = 0.0, double ampl = 1.0, double inphase = 0.0);
  double operator()() { return sample(); }
  vec operator()(int n);
  mat operator()(int h, int w);
protected:
private:
  double sample();
  double m, A, theta, dtheta;
};

class ITPP_EXPORT Triangle_Source
{
public:
  Triangle_Source(double freq, double mean = 0.0, double ampl = 1.0, double inphase = 0.0);
  double operator()() { return sample(); }
  vec operator()(int n);
  mat operator()(int h, int w);
protected:
private:
  double sample();
  double m, A, theta, dtheta;
};

class ITPP_EXPORT Sawtooth_Source
{
public:
  Sawtooth_Source(double freq, double mean = 0.0, double ampl = 1.0, double inphase = 0.0);
  double operator()() { return sample(); }
  vec operator()(int n);
  mat operator()(int h, int w);
protected:
private:
  double sample();
  double m, A, theta, dtheta;
};

class ITPP_EXPORT Impulse_Source
{
public:
  Impulse_Source(double freq, double ampl = 1.0, double inphase = 0.0);
  double operator()() { return sample(); }
  vec operator()(int n);
  mat operator()(int h, int w);
protected:
private:
  double sample();
  double A, pos, dtheta;
};

class ITPP_EXPORT Pattern_Source
{
public:
  Pattern_Source(const vec &pattern, int start_pos = 0);
  virtual ~Pattern_Source() { }
  double operator()() { return sample(); }
  vec operator()(int n);
  mat operator()(int h, int w);
protected:
private:
  double sample();
  int pos;
  vec pat;
  double mean, var;
};

} //namespace itpp

#endif // #ifndef SOURCE_H