SparseMatrix.h

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#pragma once
 
 
#include "objects/containers/Array.h"
#include "objects/wrappers/AutoPtr.h"
#include "objects/wrappers/Expected.h"
#include "objects/wrappers/PropagateConst.h"
 
NAMESPACE_SPH_BEGIN
 
class SparseMatrix {
private:
    class Impl;
    PropagateConst<AutoPtr<Impl>> impl;
 
public:
    SparseMatrix();
 
    SparseMatrix(const Size rows, const Size cols);
 
    ~SparseMatrix();
 
    void resize(const Size rows, const Size cols);
 
    void insert(const Size i, const Size j, const Float value);
 
    enum class Solver {
        LU,
 
        CG,
 
        LSCG,
 
        BICGSTAB,
    };
 
    Expected<Array<Float>> solve(const Array<Float>& values, const Solver solver, const Float tolerance = 0.);
};
 
NAMESPACE_SPH_END