gradient.h

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#ifndef GRADIENT_H
#define GRADIENT_H
 
#include <cassert>
#include "utils.h"
 
class Gradient : public sp_mat
{
 
public:
    using sp_mat::operator=;
 
    // 1-D Constructor
    Gradient(u16 k, u32 m, Real dx);
    // 2-D Constructor
    Gradient(u16 k, u32 m, u32 n, Real dx, Real dy);
    // 3-D Constructor
    Gradient(u16 k, u32 m, u32 n, u32 o, Real dx, Real dy, Real dz);
    // Returns weights
    vec getP();
 
private:
    vec P;
};
 
#endif // GRADIENT_H