/*
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   SLEPc - Scalable Library for Eigenvalue Problem Computations
   Copyright (c) 2002-2021, Universitat Politecnica de Valencia, Spain

   This file is part of SLEPc.
   SLEPc is distributed under a 2-clause BSD license (see LICENSE).
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*/
/*
   SLEPc eigensolver: "ciss"

   Method: Contour Integral Spectral Slicing

   Algorithm:

       Contour integral based on Sakurai-Sugiura method to construct a
       subspace, with various eigenpair extractions (Rayleigh-Ritz,
       explicit moment).

   Based on code contributed by Y. Maeda, T. Sakurai.

   References:

       [1] T. Sakurai and H. Sugiura, "A projection method for generalized
           eigenvalue problems", J. Comput. Appl. Math. 159:119-128, 2003.

       [2] T. Sakurai and H. Tadano, "CIRR: a Rayleigh-Ritz type method with
           contour integral for generalized eigenvalue problems", Hokkaido
           Math. J. 36:745-757, 2007.
*/
/*
   Note: This solver has been deprecated and will be completely removed in future versions.
*/

#include <slepc/private/nepimpl.h>         /*I "slepcnep.h" I*/

SLEPC_EXTERN PetscErrorCode NEPCreate_CISS(NEP nep)
{
  PetscFunctionBegin;
  SETERRQ(PetscObjectComm((PetscObject)nep),1,"The NEPCISS solver has been removed since version 3.14");
}

