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/*
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SLEPc - Scalable Library for Eigenvalue Problem Computations
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Copyright (c) 2002-2009, Universidad Politecnica de Valencia, Spain
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This file is part of SLEPc.
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SLEPc is free software: you can redistribute it and/or modify it under the
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terms of version 3 of the GNU Lesser General Public License as published by
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the Free Software Foundation.
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SLEPc is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
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more details.
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You should have received a copy of the GNU Lesser General Public License
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along with SLEPc. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "private/fortranimpl.h"
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#include "slepcst.h"
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#ifdef PETSC_HAVE_FORTRAN_CAPS
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#define stshellsetapply_ STSHELLSETAPPLY
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#define stshellsetapplytranspose_ STSHELLSETAPPLYTRANSPOSE
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#define stshellsetbacktransform_ STSHELLSETBACKTRANSFORM
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#elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE)
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#define stshellsetapply_ stshellsetapply
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#define stshellsetapplytranspose_ stshellsetapplytranspose
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#define stshellsetbacktransform_ stshellsetbacktransform
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#endif
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EXTERN_C_BEGIN
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static void (PETSC_STDCALL *f1)(void*,Vec*,Vec*,PetscErrorCode*);
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static void (PETSC_STDCALL *f2)(void*,Vec*,Vec*,PetscErrorCode*);
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static void (PETSC_STDCALL *f3)(void*,PetscScalar*,PetscScalar*,PetscErrorCode*);
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EXTERN_C_END
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/* These are not extern C because they are passed into non-extern C user level functions */
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static PetscErrorCode ourshellapply(void *ctx,Vec x,Vec y)
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{
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PetscErrorCode ierr = 0;
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(*f1)(ctx,&x,&y,&ierr);CHKERRQ(ierr);
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return 0;
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}
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static PetscErrorCode ourshellapplytranspose(void *ctx,Vec x,Vec y)
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{
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PetscErrorCode ierr = 0;
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(*f2)(ctx,&x,&y,&ierr);CHKERRQ(ierr);
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return 0;
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}
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static PetscErrorCode ourshellbacktransform(void *ctx,PetscScalar *eigr,PetscScalar *eigi)
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{
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PetscErrorCode ierr = 0;
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(*f3)(ctx,eigr,eigi,&ierr);CHKERRQ(ierr);
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return 0;
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}
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EXTERN_C_BEGIN
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void PETSC_STDCALL stshellsetapply_(ST *st,void (PETSC_STDCALL *apply)(void*,Vec *,Vec *,PetscErrorCode*),
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PetscErrorCode *ierr)
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{
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f1 = apply;
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*ierr = STShellSetApply(*st,ourshellapply);
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}
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void PETSC_STDCALL stshellsetapplytranspose_(ST *st,void (PETSC_STDCALL *applytranspose)(void*,Vec *,Vec *,PetscErrorCode*),
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PetscErrorCode *ierr)
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{
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f2 = applytranspose;
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*ierr = STShellSetApplyTranspose(*st,ourshellapplytranspose);
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}
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void PETSC_STDCALL stshellsetbacktransform_(ST *st,void (PETSC_STDCALL *backtransform)(void*,PetscScalar*,PetscScalar*,PetscErrorCode*),
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PetscErrorCode *ierr)
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{
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f3 = backtransform;
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*ierr = STShellSetBackTransform(*st,ourshellbacktransform);
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}
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EXTERN_C_END
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