1: !
  2: !  "$Id: petscksp.h,v 1.32 2001/04/10 22:37:56 balay Exp $";
  3: !
  4: !  Include file for Fortran use of the KSP package in PETSc
  5: !
  6: #if !defined (__PETSCKSP_H)

  9: #define KSP PetscFortranAddr
 10: #define KSPType character*(80)
 11: #define KSPCGType integer
 12: #define KSPConvergedReason integer 
 13: #define KSPNormType integer
 14: !
 15: !  Various Krylov subspace methods
 16: !
 17: #define KSPRICHARDSON 'richardson'
 18: #define KSPCHEBYCHEV 'chebychev'
 19: #define KSPCG 'cg'
 20: #define KSPGMRES 'gmres'
 21: #define KSPTCQMR 'tcqmr'
 22: #define KSPBCGS 'bcgs'
 23: #define KSPCGS 'cgs'
 24: #define KSPTFQMR 'tfqmr'
 25: #define KSPCR 'cr'
 26: #define KSPLSQR 'lsqr'
 27: #define KSPPREONLY 'preonly'
 28: #define KSPQCG 'qcg'
 29: #define KSPBICG 'bicg'
 30: #define KSPFGMRES 'fgmres'
 31: #define KSPMINRES 'minres'
 32: #define KSPSYMMLQ 'symmlq'
 33: #endif


 36: #if !defined (PETSC_AVOID_DECLARATIONS)

 38: !
 39: !  CG Types
 40: !
 41:       integer KSP_CG_SYMMETRIC,KSP_CG_HERMITIAN

 43:       parameter (KSP_CG_SYMMETRIC=1,KSP_CG_HERMITIAN=2)

 45:       integer KSP_CONVERGED_RTOL,KSP_CONVERGED_ATOL
 46:       integer KSP_CONVERGED_ITS
 47:       integer KSP_DIVERGED_ITS,KSP_DIVERGED_DTOL
 48:       integer KSP_DIVERGED_BREAKDOWN,KSP_CONVERGED_ITERATING
 49:       integer KSP_CONVERGED_QCG_NEG_CURVE
 50:       integer KSP_CONVERGED_QCG_CONSTRAINED
 51:       integer KSP_CONVERGED_STEP_LENGTH
 52:       integer KSP_DIVERGED_BREAKDOWN_BICG
 53:       integer KSP_DIVERGED_NONSYMMETRIC
 54:       integer KSP_DIVERGED_INDEFINITE_PC

 56:       parameter (KSP_CONVERGED_RTOL      = 2)
 57:       parameter (KSP_CONVERGED_ATOL      = 3)
 58:       parameter (KSP_CONVERGED_ITS       = 4)
 59:       parameter (KSP_CONVERGED_QCG_NEG_CURVE = 5)
 60:       parameter (KSP_CONVERGED_QCG_CONSTRAINED = 6)
 61:       parameter (KSP_CONVERGED_STEP_LENGTH = 7)

 63:       parameter (KSP_DIVERGED_ITS        = -3)
 64:       parameter (KSP_DIVERGED_DTOL       = -4)
 65:       parameter (KSP_DIVERGED_BREAKDOWN  = -5)
 66:       parameter (KSP_DIVERGED_BREAKDOWN_BICG = -6)
 67:       parameter (KSP_DIVERGED_NONSYMMETRIC = -7)
 68:       parameter (KSP_DIVERGED_INDEFINITE_PC = -8)

 70:       parameter (KSP_CONVERGED_ITERATING = 0)
 71: !
 72: !  Possible arguments to KSPSetNormType()
 73: !
 74:       integer KSP_NO_NORM
 75:       integer KSP_PRECONDITIONED_NORM
 76:       integer KSP_UNPRECONDITIONED_NORM
 77:       integer KSP_NATURAL_NORM
 78: 
 79:       parameter (KSP_NO_NORM=0)
 80:       parameter (KSP_PRECONDITIONED_NORM=1)
 81:       parameter (KSP_UNPRECONDITIONED_NORM=2)
 82:       parameter (KSP_NATURAL_NORM=3)
 83: !
 84: !   Possible arguments to KSPSetMonitor()
 85: !
 86:       external KSPDEFAULTCONVERGED
 87:       external KSPDEFAULTMONITOR
 88:       external KSPTRUEMONITOR
 89:       external KSPLGMONITOR
 90:       external KSPLGTRUEMONITOR
 91:       external KSPVECVIEWMONITOR
 92:       external KSPSINGULARVALUEMONITOR
 93:       external KSPGMRESKRYLOVMONITOR

 95: !PETSC_DEC_ATTRIBUTES(KSPDEFAULTCONVERGED,'_KSPDEFAULTCONVERGED')
 96: !PETSC_DEC_ATTRIBUTES(KSPDEFAULTMONITOR,'_KSPDEFAULTMONITOR')
 97: !PETSC_DEC_ATTRIBUTES(KSPTRUEMONITOR,'_KSPTRUEMONITOR')
 98: !PETSC_DEC_ATTRIBUTES(KSPLGMONITOR,'_KSPLGMONITOR')
 99: !PETSC_DEC_ATTRIBUTES(KSPLGTRUEMONITOR,'_KSPLGTRUEMONITOR')
100: !PETSC_DEC_ATTRIBUTES(KSPVECVIEWMONITOR,'_KSPVECVIEWMONITOR')
101: !PETSC_DEC_ATTRIBUTES(KSPSINGULARVALUEMONITOR,'_KSPSINGULARVALUEMONITOR')
102: !PETSC_DEC_ATTRIBUTES(KSPGMRESKRYLOVMONITOR,'_KSPGMRESKRYLOVMONITOR')

104: !
105: !  End of Fortran include file for the KSP package in PETSc
106: !

108: #endif