Date: 2017-05-17T08:27:41+00:00

Actual source code: slepcmfn.h
slepc-3.7.4 2017-05-17
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      1: /*
      2:    User interface for the SLEPC matrix function object.

      4:    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
      5:    SLEPc - Scalable Library for Eigenvalue Problem Computations
      6:    Copyright (c) 2002-2016, Universitat Politecnica de Valencia, Spain

      8:    This file is part of SLEPc.

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

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

     19:    You  should have received a copy of the GNU Lesser General  Public  License
     20:    along with SLEPc. If not, see <http://www.gnu.org/licenses/>.
     21:    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
     22: */

     26: #include <slepcbv.h>
     27: #include <slepcfn.h>

     29: PETSC_EXTERN PetscErrorCode MFNInitializePackage(void);

     31: /*S
     32:     MFN - SLEPc object that encapsulates functionality for matrix functions.

     34:     Level: beginner

     36: .seealso:  MFNCreate()
     37: S*/
     38: typedef struct _p_MFN* MFN;

     40: /*J
     41:     MFNType - String with the name of a method for computing matrix functions.

     43:     Level: beginner

     45: .seealso: MFNSetType(), MFN
     46: J*/
     47: typedef const char* MFNType;
     48: #define MFNKRYLOV   "krylov"
     49: #define MFNEXPOKIT  "expokit"

     51: /* Logging support */
     52: PETSC_EXTERN PetscClassId MFN_CLASSID;

     54: PETSC_EXTERN PetscErrorCode MFNCreate(MPI_Comm,MFN *);
     55: PETSC_EXTERN PetscErrorCode MFNDestroy(MFN*);
     56: PETSC_EXTERN PetscErrorCode MFNReset(MFN);
     57: PETSC_EXTERN PetscErrorCode MFNSetType(MFN,MFNType);
     58: PETSC_EXTERN PetscErrorCode MFNGetType(MFN,MFNType*);
     59: PETSC_EXTERN PetscErrorCode MFNSetOperator(MFN,Mat);
     60: PETSC_EXTERN PetscErrorCode MFNGetOperator(MFN,Mat*);
     61: PETSC_EXTERN PetscErrorCode MFNSetFromOptions(MFN);
     62: PETSC_EXTERN PetscErrorCode MFNSetUp(MFN);
     63: PETSC_EXTERN PetscErrorCode MFNSolve(MFN,Vec,Vec);
     64: PETSC_EXTERN PetscErrorCode MFNView(MFN,PetscViewer);
     65: PETSC_STATIC_INLINE PetscErrorCode MFNViewFromOptions(MFN mfn,PetscObject obj,const char name[]) {return PetscObjectViewFromOptions((PetscObject)mfn,obj,name);}
     66: PETSC_EXTERN PetscErrorCode MFNReasonView(MFN,PetscViewer);
     67: PETSC_EXTERN PetscErrorCode MFNReasonViewFromOptions(MFN);

     69: PETSC_EXTERN PetscErrorCode MFNSetBV(MFN,BV);
     70: PETSC_EXTERN PetscErrorCode MFNGetBV(MFN,BV*);
     71: PETSC_EXTERN PetscErrorCode MFNSetFN(MFN,FN);
     72: PETSC_EXTERN PetscErrorCode MFNGetFN(MFN,FN*);
     73: PETSC_EXTERN PetscErrorCode MFNSetTolerances(MFN,PetscReal,PetscInt);
     74: PETSC_EXTERN PetscErrorCode MFNGetTolerances(MFN,PetscReal*,PetscInt*);
     75: PETSC_EXTERN PetscErrorCode MFNSetDimensions(MFN,PetscInt);
     76: PETSC_EXTERN PetscErrorCode MFNGetDimensions(MFN,PetscInt*);

     78: PETSC_EXTERN PetscErrorCode MFNMonitor(MFN,PetscInt,PetscReal);
     79: PETSC_EXTERN PetscErrorCode MFNMonitorSet(MFN,PetscErrorCode (*)(MFN,PetscInt,PetscReal,void*),void*,PetscErrorCode (*)(void**));
     80: PETSC_EXTERN PetscErrorCode MFNMonitorSetFromOptions(MFN,const char*,const char*,const char*,PetscErrorCode (*)(MFN,PetscInt,PetscReal,PetscViewerAndFormat*));
     81: PETSC_EXTERN PetscErrorCode MFNMonitorCancel(MFN);
     82: PETSC_EXTERN PetscErrorCode MFNGetMonitorContext(MFN,void **);
     83: PETSC_EXTERN PetscErrorCode MFNGetIterationNumber(MFN,PetscInt*);

     85: PETSC_EXTERN PetscErrorCode MFNSetErrorIfNotConverged(MFN,PetscBool);
     86: PETSC_EXTERN PetscErrorCode MFNGetErrorIfNotConverged(MFN,PetscBool*);

     88: PETSC_EXTERN PetscErrorCode MFNMonitorDefault(MFN,PetscInt,PetscReal,PetscViewerAndFormat*);
     89: PETSC_EXTERN PetscErrorCode MFNMonitorLGCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscDrawLG*);
     90: PETSC_EXTERN PetscErrorCode MFNMonitorLG(MFN,PetscInt,PetscReal,void*);

     92: PETSC_EXTERN PetscErrorCode MFNSetOptionsPrefix(MFN,const char*);
     93: PETSC_EXTERN PetscErrorCode MFNAppendOptionsPrefix(MFN,const char*);
     94: PETSC_EXTERN PetscErrorCode MFNGetOptionsPrefix(MFN,const char*[]);

     96: /*E
     97:     MFNConvergedReason - reason a matrix function iteration was said to
     98:          have converged or diverged

    100:     Level: intermediate

    102: .seealso: MFNSolve(), MFNGetConvergedReason(), MFNSetTolerances()
    103: E*/
    104: typedef enum {/* converged */
    105:               MFN_CONVERGED_TOL                =  2,
    106:               MFN_CONVERGED_ITS                =  3,
    107:               /* diverged */
    108:               MFN_DIVERGED_ITS                 = -3,
    109:               MFN_DIVERGED_BREAKDOWN           = -4,
    110:               MFN_CONVERGED_ITERATING          =  0} MFNConvergedReason;
    111: PETSC_EXTERN const char *const*MFNConvergedReasons;

    113: PETSC_EXTERN PetscErrorCode MFNGetConvergedReason(MFN,MFNConvergedReason *);

    115: PETSC_EXTERN PetscFunctionList MFNList;
    116: PETSC_EXTERN PetscErrorCode MFNRegister(const char[],PetscErrorCode(*)(MFN));

    118: PETSC_EXTERN PetscErrorCode MFNAllocateSolution(MFN,PetscInt);

    120: #endif