Actual source code: fcgimpl.h

  1: #ifndef __KSP_FCG_H

  4: #include <petsc/private/kspimpl.h>

  6: typedef struct {
  7:   KSPCGType    type;       /* type of system (symmetric of Hermitian) */
  8:   PetscScalar  emin, emax; /* eigenvalues */
  9:   PetscInt     ned;        /* size of following arrays */
 10:   PetscScalar *e, *d;
 11:   PetscReal   *ee, *dd; /* work space for Lanczos algorithm */

 13:   PetscInt             mmax;                              /* The maximum number of P/C vectors to store */
 14:   PetscInt             nprealloc;                         /* How many vectors to preallocate */
 15:   PetscInt             nvecs;                             /* How many P/C vecs are actually stored */
 16:   PetscInt             vecb;                              /* How many vecs to allocate at a time in a chunk */
 17:   Vec                 *Pvecs, *Cvecs, **pPvecs, **pCvecs; /* Arrays of vectors, and arrays of pointers to them */
 18:   PetscInt            *chunksizes;                        /* Chunk sizes allocated */
 19:   PetscInt             nchunks;                           /* Number of chunks */
 20:   KSPFCDTruncationType truncstrat;
 21: } KSP_FCG;

 23: #endif