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#ifndef PETSC_DEFINES_H
#define PETSC_DEFINES_H
#include "cctk.h"
#include <petsc.h>
#include <petscversion.h>
/* The PETSc API changes frequently, sometimes even in minor releases.
The #defines below map calls to the PETSc linear solver to the
corresponding PETSc call (or sequence of calls), depending on the
version of PETSc. */
#if PETSC_VERSION_MAJOR < 2 || \
(PETSC_VERSION_MAJOR == 2 && PETSC_VERSION_MINOR == 0)
/* Up to and including version 2.0.x */
# include <sles.h>
#elif PETSC_VERSION_MAJOR == 2 && PETSC_VERSION_MINOR <= 1
/* Up to and including version 2.1.x */
# include <petscsles.h>
#elif PETSC_VERSION_MAJOR == 2 && PETSC_VERSION_MINOR == 2
/* Version 2.2.x */
# include <petscmat.h>
# include <petscksp.h>
# define SLES KSP
# define SLESCreate KSPCreate
# define SLESSetOperators KSPSetOperators
# define SLESGetKSP(a,b) ((*b) = (a), 0)
# define SLESGetPC KSPGetPC
# define SLESSetFromOptions KSPSetFromOptions
# define SLESSolve(a,b,c,d) (KSPSetRhs(a,b), \
KSPSetSolution(a,c), \
KSPSolve(a), \
KSPGetIterationNumber(a,d))
# define SLESDestroy KSPDestroy
#else
/* Later versions */
# include <petscmat.h>
# include <petscksp.h>
# define SLES KSP
# define SLESCreate KSPCreate
# define SLESSetOperators KSPSetOperators
# define SLESGetKSP(a,b) ((*b) = (a), 0)
# define SLESGetPC KSPGetPC
# define SLESSetFromOptions KSPSetFromOptions
# define SLESSolve(a,b,c,d) (KSPSolve(a,b,c), \
KSPGetIterationNumber(a,d))
# define SLESDestroy KSPDestroy
#endif
#endif /* #ifndef PETSC_DEFINES_H */
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