LaTridiagMatFactorize()

void LaTridiagMatFactorize ( LaTridiagMatDouble &  A, LaTridiagFactDouble &  AF  )

inline

Definition at line 107 of file trfd.h.

References LaTridiagFactDouble::copy(), dgttrf(), LaTridiagFactDouble::diag(), F77NAME, and LaTridiagFactDouble::pivot().

{
    integer N = A.size(), info = 0;
    AF.copy(A);
    double *DL = &AF.diag(-1)(0), *D = &AF.diag(0)(0),
         *DU = &AF.diag(1)(0), *DU2 = &AF.diag(2)(0);

cerr << " \t*\n";

    F77NAME(dgttrf)(&N, DL, D, DU, DU2, &(AF.pivot()(0)), &info);

cerr << " \t\t**\n";
}

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