KSPHPDDMType#

Type of Krylov method used by KSPHPDDM

Synopsis#

typedef enum {
  KSP_HPDDM_TYPE_GMRES   = 0,
  KSP_HPDDM_TYPE_BGMRES  = 1,
  KSP_HPDDM_TYPE_CG      = 2,
  KSP_HPDDM_TYPE_BCG     = 3,
  KSP_HPDDM_TYPE_GCRODR  = 4,
  KSP_HPDDM_TYPE_BGCRODR = 5,
  KSP_HPDDM_TYPE_BFBCG   = 6,
  KSP_HPDDM_TYPE_PREONLY = 7
} KSPHPDDMType;

Values#

KSP_HPDDM_TYPE_GMRES (default) - Generalized Minimal Residual method
KSP_HPDDM_TYPE_BGMRES - block GMRES
KSP_HPDDM_TYPE_CG - Conjugate Gradient
KSP_HPDDM_TYPE_BCG - block CG
KSP_HPDDM_TYPE_GCRODR - Generalized Conjugate Residual method with inner Orthogonalization and Deflated Restarting
KSP_HPDDM_TYPE_BGCRODR - block GCRODR
KSP_HPDDM_TYPE_BFBCG - breakdown-free BCG
KSP_HPDDM_TYPE_PREONLY - apply the preconditioner only