Actual source code: ipimpl.h

  1: /*
  2:    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
  3:    SLEPc - Scalable Library for Eigenvalue Problem Computations
  4:    Copyright (c) 2002-2013, Universitat Politecnica de Valencia, Spain

  6:    This file is part of SLEPc.

  8:    SLEPc is free software: you can redistribute it and/or modify it under  the
  9:    terms of version 3 of the GNU Lesser General Public License as published by
 10:    the Free Software Foundation.

 12:    SLEPc  is  distributed in the hope that it will be useful, but WITHOUT  ANY
 13:    WARRANTY;  without even the implied warranty of MERCHANTABILITY or  FITNESS
 14:    FOR  A  PARTICULAR PURPOSE. See the GNU Lesser General Public  License  for
 15:    more details.

 17:    You  should have received a copy of the GNU Lesser General  Public  License
 18:    along with SLEPc. If not, see <http://www.gnu.org/licenses/>.
 19:    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 20: */

 22: #if !defined(_IPIMPL)
 23: #define _IPIMPL

 25: #include <slepcip.h>
 26: #include <slepc-private/slepcimpl.h>

 28: PETSC_EXTERN PetscLogEvent IP_InnerProduct,IP_Orthogonalize,IP_ApplyMatrix;

 30: typedef struct _IPOps *IPOps;

 32: struct _IPOps {
 33:   PetscErrorCode (*normbegin)(IP,Vec,PetscReal*);
 34:   PetscErrorCode (*normend)(IP,Vec,PetscReal*);
 35:   PetscErrorCode (*innerproductbegin)(IP,Vec,Vec,PetscScalar*);
 36:   PetscErrorCode (*innerproductend)(IP,Vec,Vec,PetscScalar*);
 37:   PetscErrorCode (*minnerproductbegin)(IP,Vec,PetscInt,const Vec[],PetscScalar*);
 38:   PetscErrorCode (*minnerproductend)(IP,Vec,PetscInt,const Vec[],PetscScalar*);
 39: };

 41: struct _p_IP {
 42:   PETSCHEADER(struct _IPOps);
 43:   IPOrthogType       orthog_type;    /* which orthogonalization to use */
 44:   IPOrthogRefineType orthog_ref;     /* refinement method */
 45:   PetscReal          orthog_eta;     /* refinement threshold */
 46:   Mat                matrix;
 47:   PetscInt           innerproducts;
 48:   PetscScalar        *work;
 49:   PetscInt           lwork;

 51:   /*------------------------- Cache Bx product -------------------*/
 52:   PetscInt           xid;
 53:   PetscInt           xstate;
 54:   Vec                Bx;
 55: };

 57: PETSC_INTERN PetscErrorCode IPSetType_Default(IP);
 58: PETSC_INTERN PetscErrorCode IPApplyMatrix_Private(IP,Vec);
 59: PETSC_INTERN PetscErrorCode IPOrthogonalizeCGS1(IP,PetscInt,Vec*,PetscInt,PetscBool*,Vec*,Vec,PetscScalar*,PetscReal*,PetscReal*);

 61: PETSC_INTERN PetscErrorCode IPOrthonormalizeBasis_Private(IP,PetscInt*,Vec**,Vec*);

 63: #endif