lu-superlu.h

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#if (!defined(HEX_LU_SUPERLU_H) && defined(WITH_SUPERLU))
#define HEX_LU_SUPERLU_H

// --------------------------------------------------------------------------------- //

#include "hex-csrmatrix.h"

// --------------------------------------------------------------------------------- //

#include "luft.h"

// --------------------------------------------------------------------------------- //

#ifdef SINGLE
    #include <slu_cdefs.h>
#else
    #include <slu_zdefs.h>
#endif

// --------------------------------------------------------------------------------- //

class LUft_SUPERLU : public LUft
{
    public:
    
        // run-time selection mechanism
        factorizerRunTimeSelectionDefinitions(LUft_SUPERLU, "superlu")
        
        
        LUft_SUPERLU ();
        
        virtual ~LUft_SUPERLU () { drop(); }
        
        // Disable bitwise copy
        LUft_SUPERLU const & operator= (LUft_SUPERLU const &) = delete;
        
        virtual void factorize (CsrMatrix<LU_int_t,Complex> const & matrix, LUftData data);
        
        virtual bool valid () const;
        
        virtual std::size_t size () const { return size_; }
        
        virtual void solve (const cArrayView b, cArrayView x, int eqs) const;
        
        virtual void save (std::string name) const;
        
        virtual void load (std::string name, bool throw_on_io_failure = true);
        
        virtual void drop ();
        
    private:
        
        NumberArray<int_t> P_;
        NumberArray<int_t> I_;
        cArray X_;
        
        iArray perm_c_;
        
        iArray perm_r_;
        
        iArray etree_;
        
        char equed_;
        
        rArray R_;
        
        rArray C_;
        
        SuperMatrix L_;
        
        SuperMatrix U_;
        
        GlobalLU_t Glu_;
        
        std::size_t size_;
        
        Real droptol_;
};

#endif // WITH_SUPERLU