Subversion Repositories slepc-dev

/*

   - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

      SLEPc - Scalable Library for Eigenvalue Problem Computations

      Copyright (c) 2002-2007, Universidad Politecnica de Valencia, Spain

      This file is part of SLEPc. See the README file for conditions of use

      and additional information.

   - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

*/

#include "private/fortranimpl.h"

#include "slepceps.h"

#include "src/eps/epsimpl.h"

#ifdef PETSC_HAVE_FORTRAN_CAPS

#define epsview_                    EPSVIEW

#define epssetoptionsprefix_        EPSSETOPTIONSPREFIX

#define epsappendoptionsprefix_     EPSAPPENDOPTIONSPREFIX

#define epsgetoptionsprefix_        EPSGETOPTIONSPREFIX

#define epscreate_                  EPSCREATE

#define epssettype_                 EPSSETTYPE           

#define epsgettype_                 EPSGETTYPE

#define epsmonitordefault_          EPSMONITORDEFAULT

#define epsmonitorlg_               EPSMONITORLG

#define epsmonitorset_              EPSMONITORSET

#define epsgetst_                   EPSGETST

#define epsgetip_                   EPSGETIP

#define epsgetwhicheigenpairs_      EPSGETWHICHEIGENPAIRS

#define epsgetproblemtype_          EPSGETPROBLEMTYPE

#define epsgetprojection_           EPSGETPROJECTION

#define epsgetclass_                EPSGETCLASS

#define epsgetconvergedreason_      EPSGETCONVERGEDREASON

#define epspowergetshifttype_       EPSPOWERGETSHIFTTYPE

#define epslanczosgetreorthog_      EPSLANCZOSGETREORTHOG

#elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE)

#define epsview_                    epsview

#define epssetoptionsprefix_        epssetoptionsprefix

#define epsappendoptionsprefix_     epsappendoptionsprefix

#define epsgetoptionsprefix_        epsgetoptionsprefix

#define epscreate_                  epscreate

#define epssettype_                 epssettype           

#define epsgettype_                 epsgettype

#define epsmonitordefault_          epsmonitordefault

#define epsmonitorlg_               epsmonitorlg

#define epsmonitorset_              epsmonitorset

#define epsgetst_                   epsgetst

#define epsgetip_                   epsgetip

#define epsgetwhicheigenpairs_      epsgetwhicheigenpairs

#define epsgetproblemtype_          epsgetproblemtype

#define epsgetprojection_           epsgetprojection

#define epsgetclass_                epsgetclass

#define epsgetconvergedreason_      epsgetconvergedreason

#define epspowergetshifttype_       epspowergetshifttype

#define epslanczosgetreorthog_      epslanczosgetreorthog

#endif

EXTERN_C_BEGIN

static void (PETSC_STDCALL *f1)(EPS*,int*,int*,PetscScalar*,PetscScalar*,PetscReal*,int*,void*,PetscErrorCode*);

static void (PETSC_STDCALL *f2)(void*,PetscErrorCode*);

/*

   These are not usually called from Fortran but allow Fortran users

   to transparently set these monitors from .F code, hence no STDCALL

*/

void epsmonitordefault_(EPS *eps,int *it,int *nconv,PetscScalar *eigr,PetscScalar *eigi,PetscReal *errest,int *nest,void *ctx,PetscErrorCode *ierr)

{

  *ierr = EPSMonitorDefault(*eps,*it,*nconv,eigr,eigi,errest,*nest,ctx);

}

void epsmonitorlg_(EPS *eps,int *it,int *nconv,PetscScalar *eigr,PetscScalar *eigi,PetscReal *errest,int *nest,void *ctx,PetscErrorCode *ierr)

{

  *ierr = EPSMonitorLG(*eps,*it,*nconv,eigr,eigi,errest,*nest,ctx);

}

EXTERN_C_END

/* These are not extern C because they are passed into non-extern C user level functions */

static PetscErrorCode ourmonitor(EPS eps,int i,int nc,PetscScalar *er,PetscScalar *ei,PetscReal *d,int l,void* ctx)

{

  PetscErrorCode ierr = 0;

  (*f1)(&eps,&i,&nc,er,ei,d,&l,ctx,&ierr);CHKERRQ(ierr);

  return 0;

}

static PetscErrorCode ourdestroy(void* ctx)

{

  PetscErrorCode ierr = 0;

  (*f2)(ctx,&ierr);CHKERRQ(ierr);

  return 0;

}

EXTERN_C_BEGIN

void PETSC_STDCALL epsview_(EPS *eps,PetscViewer *viewer, PetscErrorCode *ierr)

{

  PetscViewer v;

  PetscPatchDefaultViewers_Fortran(viewer,v);

  *ierr = EPSView(*eps,v);

}

void PETSC_STDCALL epssettype_(EPS *eps,CHAR type PETSC_MIXED_LEN(len),PetscErrorCode *ierr PETSC_END_LEN(len))

{

  char *t;

  FIXCHAR(type,len,t);

  *ierr = EPSSetType(*eps,t);

  FREECHAR(type,t);

}

void PETSC_STDCALL epsgettype_(EPS *eps,CHAR name PETSC_MIXED_LEN(len),PetscErrorCode *ierr PETSC_END_LEN(len))

{

  const EPSType tname;

  *ierr = EPSGetType(*eps,&tname);if (*ierr) return;

#if defined(PETSC_USES_CPTOFCD)

  {

    char *t = _fcdtocp(name); int len1 = _fcdlen(name);

    *ierr = PetscStrncpy(t,tname,len1);

  }

#else

  *ierr = PetscStrncpy(name,tname,len);

#endif

  FIXRETURNCHAR(PETSC_TRUE,name,len);

}

void PETSC_STDCALL epssetoptionsprefix_(EPS *eps,CHAR prefix PETSC_MIXED_LEN(len),PetscErrorCode *ierr PETSC_END_LEN(len))

{

  char *t;

  FIXCHAR(prefix,len,t);

  *ierr = EPSSetOptionsPrefix(*eps,t);

  FREECHAR(prefix,t);

}

void PETSC_STDCALL epsappendoptionsprefix_(EPS *eps,CHAR prefix PETSC_MIXED_LEN(len),PetscErrorCode *ierr PETSC_END_LEN(len))

{

  char *t;

  FIXCHAR(prefix,len,t);

  *ierr = EPSAppendOptionsPrefix(*eps,t);

  FREECHAR(prefix,t);

}

void PETSC_STDCALL epscreate_(MPI_Fint *comm,EPS *eps,PetscErrorCode *ierr)

{

  *ierr = EPSCreate(MPI_Comm_f2c(*(comm)),eps);

}

void PETSC_STDCALL epsmonitorset_(EPS *eps,void (PETSC_STDCALL *monitor)(EPS*,int*,int*,PetscScalar*,PetscScalar*,PetscReal*,int*,void*,PetscErrorCode*),

                                  void *mctx,void (PETSC_STDCALL *monitordestroy)(void *,PetscErrorCode *),PetscErrorCode *ierr)

{

  if ((void(*)())monitor == (void(*)())epsmonitordefault_) {

    *ierr = EPSMonitorSet(*eps,EPSMonitorDefault,0,0);

  } else if ((void(*)())monitor == (void(*)())epsmonitorlg_) {

    *ierr = EPSMonitorSet(*eps,EPSMonitorLG,0,0);

  } else {

    f1  = monitor;

    if (FORTRANNULLFUNCTION(monitordestroy)) {

      *ierr = EPSMonitorSet(*eps,ourmonitor,mctx,0);

    } else {

      f2 = monitordestroy;

      *ierr = EPSMonitorSet(*eps,ourmonitor,mctx,ourdestroy);

    }

  }

}

void PETSC_STDCALL epsgetoptionsprefix_(EPS *eps,CHAR prefix PETSC_MIXED_LEN(len),PetscErrorCode *ierr PETSC_END_LEN(len))

{

  const char *tname;

  *ierr = EPSGetOptionsPrefix(*eps,&tname);

#if defined(PETSC_USES_CPTOFCD)

  {

    char *t = _fcdtocp(prefix); int len1 = _fcdlen(prefix);

    *ierr = PetscStrncpy(t,tname,len1); if (*ierr) return;

  }

#else

  *ierr = PetscStrncpy(prefix,tname,len); if (*ierr) return;

#endif

  FIXRETURNCHAR(PETSC_TRUE,prefix,len);

}

void PETSC_STDCALL epsgetst_(EPS *eps,ST *st,int *ierr)

{

  *ierr = EPSGetST(*eps,st);

}

void PETSC_STDCALL epsgetip_(EPS *eps,IP *ip,int *ierr)

{

  *ierr = EPSGetIP(*eps,ip);

}

void PETSC_STDCALL epsgetwhicheigenpairs_(EPS *eps,EPSWhich *which,int *ierr)

{

  *ierr = EPSGetWhichEigenpairs(*eps,which);

}

void PETSC_STDCALL epsgetproblemtype_(EPS *eps,EPSProblemType *type,int *ierr)

{

  *ierr = EPSGetProblemType(*eps,type);

}

void PETSC_STDCALL epsgetprojection_(EPS *eps,EPSProjection *proj,int *ierr)

{

  *ierr = EPSGetProjection(*eps,proj);

}

void PETSC_STDCALL epsgetclass_(EPS *eps,EPSClass *cl,int *ierr)

{

  *ierr = EPSGetClass(*eps,cl);

}

void PETSC_STDCALL epsgetconvergedreason_(EPS *eps,EPSConvergedReason *reason,int *ierr)

{

  *ierr = EPSGetConvergedReason(*eps,reason);

}

void PETSC_STDCALL epspowergetshifttype_(EPS *eps,EPSPowerShiftType *shift,int *ierr)

{

  *ierr = EPSPowerGetShiftType(*eps,shift);

}

void PETSC_STDCALL epslanczosgetreorthog_(EPS *eps,EPSLanczosReorthogType *reorthog,int *ierr)

{

  *ierr = EPSLanczosGetReorthog(*eps,reorthog);

}

EXTERN_C_END