Actual source code: fcgimpl.h
petsc-3.7.1 2016-05-15
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4: #include <petsc/private/kspimpl.h> /*I "petscksp.h" I*/ 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 */ 12: 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