LaLinearSolve()

void LaLinearSolve ( LaBandFactDouble &  AF, LaGenMatDouble &  X, LaGenMatDouble &  B  )

inline

Definition at line 148 of file bfd.h.

References LaBandFactDouble::B(), dgbtrs(), F77NAME, and LaBandFactDouble::pivot().

{
    char trans = 'N';
    integer n = AF.B().size(1), lda = AF.B().gdim(0), nrhs = X.size(1), 
            ldb = B.size(0), kl = AF.B().subdiags(), 
            ku = AF.B().superdiags(), info=0;

    X.inject(B);
    F77NAME(dgbtrs)(
        &trans, 
        &n, 
        &kl, &ku, &nrhs, &(AF.B()(-kl,0)), 
            &lda, &(AF.pivot()(0)), &X(0,0), &ldb, &info);
}

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