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

  6:    This file is part of SLEPc.
  7:    SLEPc is distributed under a 2-clause BSD license (see LICENSE).
  8:    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
  9: */

 11: #include <petsc/private/fortranimpl.h>
 12: #include <slepcfn.h>

 14: #if defined(PETSC_HAVE_FORTRAN_CAPS)
 15: #define fndestroy_                 FNDESTROY
 16: #define fnview_                    FNVIEW
 17: #define fnviewfromoptions_         FNVIEWFROMOPTIONS
 18: #define fnsetoptionsprefix_        FNSETOPTIONSPREFIX
 19: #define fnappendoptionsprefix_     FNAPPENDOPTIONSPREFIX
 20: #define fngetoptionsprefix_        FNGETOPTIONSPREFIX
 21: #define fnsettype_                 FNSETTYPE
 22: #define fngettype_                 FNGETTYPE
 23: #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE)
 24: #define fndestroy_                 fndestroy
 25: #define fnview_                    fnview
 26: #define fnviewfromoptions_         fnviewfromoptions
 27: #define fnsetoptionsprefix_        fnsetoptionsprefix
 28: #define fnappendoptionsprefix_     fnappendoptionsprefix
 29: #define fngetoptionsprefix_        fngetoptionsprefix
 30: #define fnsettype_                 fnsettype
 31: #define fngettype_                 fngettype
 32: #endif

 34: SLEPC_EXTERN void fndestroy_(FN *fn,PetscErrorCode *ierr)
 35: {
 36:   PETSC_FORTRAN_OBJECT_F_DESTROYED_TO_C_NULL(fn);
 37:   *ierr = FNDestroy(fn); if (*ierr) return;
 38:   PETSC_FORTRAN_OBJECT_C_NULL_TO_F_DESTROYED(fn);
 39: }

 41: SLEPC_EXTERN void fnview_(FN *fn,PetscViewer *viewer,PetscErrorCode *ierr)
 42: {
 43:   PetscViewer v;
 44:   PetscPatchDefaultViewers_Fortran(viewer,v);
 45:   *ierr = FNView(*fn,v);
 46: }

 48: SLEPC_EXTERN void fnviewfromoptions_(FN *fn,PetscObject obj,char* type,PetscErrorCode *ierr,PETSC_FORTRAN_CHARLEN_T len)
 49: {
 50:   char *t;

 52:   FIXCHAR(type,len,t);
 53:   CHKFORTRANNULLOBJECT(obj);
 54:   *ierr = FNViewFromOptions(*fn,obj,t);if (*ierr) return;
 55:   FREECHAR(type,t);
 56: }

 58: SLEPC_EXTERN void fnsetoptionsprefix_(FN *fn,char *prefix,PetscErrorCode *ierr,PETSC_FORTRAN_CHARLEN_T len)
 59: {
 60:   char *t;

 62:   FIXCHAR(prefix,len,t);
 63:   *ierr = FNSetOptionsPrefix(*fn,t);if (*ierr) return;
 64:   FREECHAR(prefix,t);
 65: }

 67: SLEPC_EXTERN void fnappendoptionsprefix_(FN *fn,char *prefix,PetscErrorCode *ierr,PETSC_FORTRAN_CHARLEN_T len)
 68: {
 69:   char *t;

 71:   FIXCHAR(prefix,len,t);
 72:   *ierr = FNAppendOptionsPrefix(*fn,t);if (*ierr) return;
 73:   FREECHAR(prefix,t);
 74: }

 76: SLEPC_EXTERN void fngetoptionsprefix_(FN *fn,char *prefix,PetscErrorCode *ierr,PETSC_FORTRAN_CHARLEN_T len)
 77: {
 78:   const char *tname;

 80:   *ierr = FNGetOptionsPrefix(*fn,&tname); if (*ierr) return;
 81:   *ierr = PetscStrncpy(prefix,tname,len);if (*ierr) return;
 82:   FIXRETURNCHAR(PETSC_TRUE,prefix,len);
 83: }

 85: SLEPC_EXTERN void fnsettype_(FN *fn,char *type,PetscErrorCode *ierr,PETSC_FORTRAN_CHARLEN_T len)
 86: {
 87:   char *t;

 89:   FIXCHAR(type,len,t);
 90:   *ierr = FNSetType(*fn,t);if (*ierr) return;
 91:   FREECHAR(type,t);
 92: }

 94: SLEPC_EXTERN void fngettype_(FN *fn,char *name,PetscErrorCode *ierr,PETSC_FORTRAN_CHARLEN_T len)
 95: {
 96:   FNType tname;

 98:   *ierr = FNGetType(*fn,&tname);if (*ierr) return;
 99:   *ierr = PetscStrncpy(name,tname,len);if (*ierr) return;
100:   FIXRETURNCHAR(PETSC_TRUE,name,len);
101: }