IFEM-2/EigSolver_8h_source.html

// $Id$

//==============================================================================

//==============================================================================


#ifndef _EIG_SOLVER_H

#define _EIG_SOLVER_H


#include "MatVec.h"


class SystemMatrix;


namespace eig

{

  int solve(SystemMatrix* A, SystemMatrix* B,

            Vector& eigVal, Matrix& eigVec, int nev, int iop = 1,

            double shift = 0.0);


  bool solve(SystemMatrix* A, SystemMatrix* B,

             Vector& eigVal, Matrix& eigVec, int nev, int ncv, int mode,

             double shift = 0.0);

}


#endif

MatVec.h
Global algebraic operations on index 1-based matrices and vectors.

SystemMatrix
Base class for representing a system matrix on different formats.
Definition SystemMatrix.h:220

utl::matrix< Real >

utl::vector
A vector class with some added algebraic operations.
Definition matrix.h:64

eig
Top-level functions for invoking eigenproblem solvers.
Definition SIMoptions.C:32

eig::solve
int solve(SystemMatrix *A, SystemMatrix *B, Vector &eigVal, Matrix &eigVec, int nev, int iop=1, double shift=0.0)
Solves the eigenvalue problem using either SPRLAN, LAPACK or SLEPC.
Definition EigSolver.C:104