/usr/lib/petscdir/3.4.2/include/petsc-private/pcimpl.h is in libpetsc3.4.2-dev 3.4.2.dfsg1-8.1+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | #ifndef _PCIMPL_H
#define _PCIMPL_H
#include <petscksp.h>
#include <petscpc.h>
#include <petsc-private/petscimpl.h>
typedef struct _PCOps *PCOps;
struct _PCOps {
PetscErrorCode (*setup)(PC);
PetscErrorCode (*apply)(PC,Vec,Vec);
PetscErrorCode (*applyrichardson)(PC,Vec,Vec,Vec,PetscReal,PetscReal,PetscReal,PetscInt,PetscBool ,PetscInt*,PCRichardsonConvergedReason*);
PetscErrorCode (*applyBA)(PC,PCSide,Vec,Vec,Vec);
PetscErrorCode (*applytranspose)(PC,Vec,Vec);
PetscErrorCode (*applyBAtranspose)(PC,PetscInt,Vec,Vec,Vec);
PetscErrorCode (*setfromoptions)(PC);
PetscErrorCode (*presolve)(PC,KSP,Vec,Vec);
PetscErrorCode (*postsolve)(PC,KSP,Vec,Vec);
PetscErrorCode (*getfactoredmatrix)(PC,Mat*);
PetscErrorCode (*applysymmetricleft)(PC,Vec,Vec);
PetscErrorCode (*applysymmetricright)(PC,Vec,Vec);
PetscErrorCode (*setuponblocks)(PC);
PetscErrorCode (*destroy)(PC);
PetscErrorCode (*view)(PC,PetscViewer);
PetscErrorCode (*reset)(PC);
PetscErrorCode (*load)(PC,PetscViewer);
};
/*
Preconditioner context
*/
struct _p_PC {
PETSCHEADER(struct _PCOps);
DM dm;
PetscInt setupcalled;
PetscInt setfromoptionscalled;
MatStructure flag;
Mat mat,pmat;
Vec diagonalscaleright,diagonalscaleleft; /* used for time integration scaling */
PetscBool diagonalscale;
PetscBool nonzero_guess; /* used by PCKSP, PCREDUNDANT and PCHMPI */
PetscBool useAmat; /* used by several PC that including applying the operator inside the preconditioner */
PetscErrorCode (*modifysubmatrices)(PC,PetscInt,const IS[],const IS[],Mat[],void*); /* user provided routine */
void *modifysubmatricesP; /* context for user routine */
void *data;
PetscInt presolvedone; /* has PCPreSolve() already been run */
void *user; /* optional user-defined context */
};
PETSC_EXTERN PetscLogEvent PC_SetUp, PC_SetUpOnBlocks, PC_Apply, PC_ApplyCoarse, PC_ApplyMultiple, PC_ApplySymmetricLeft;
PETSC_EXTERN PetscLogEvent PC_ApplySymmetricRight, PC_ModifySubMatrices, PC_ApplyOnBlocks, PC_ApplyTransposeOnBlocks, PC_ApplyOnMproc;
#endif
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