Actual source code: petscdsimpl.h

petsc-3.10.4 2019-02-26
Report Typos and Errors
  1: #if !defined(_PETSCDSIMPL_H)
  2: #define _PETSCDSIMPL_H

  4:  #include <petscds.h>
  5:  #include <petsc/private/petscimpl.h>

  7: PETSC_EXTERN PetscBool      PetscDSRegisterAllCalled;
  8: PETSC_EXTERN PetscErrorCode PetscDSRegisterAll(void);

 10: typedef struct _n_DSBoundary *DSBoundary;

 12: struct _n_DSBoundary {
 13:   const char *name;
 14:   const char *labelname;
 15:   DMBoundaryConditionType type;
 16:   PetscInt    field;
 17:   PetscInt    numcomps;
 18:   PetscInt   *comps;
 19:   void      (*func)(void);
 20:   PetscInt    numids;
 21:   PetscInt   *ids;
 22:   void       *ctx;
 23:   DSBoundary  next;
 24: };

 26: typedef struct _PetscDSOps *PetscDSOps;
 27: struct _PetscDSOps {
 28:   PetscErrorCode (*setfromoptions)(PetscDS);
 29:   PetscErrorCode (*setup)(PetscDS);
 30:   PetscErrorCode (*view)(PetscDS,PetscViewer);
 31:   PetscErrorCode (*destroy)(PetscDS);
 32: };

 34: struct _p_PetscDS {
 35:   PETSCHEADER(struct _PetscDSOps);
 36:   void        *data;              /* Implementation object */
 37:   PetscDS     *subprobs;          /* The subspaces for each dimension */
 38:   PetscBool    setup;             /* Flag for setup */
 39:   PetscInt     Nf;                /* The number of solution fields */
 40:   PetscBool   *implicit;          /* Flag for implicit or explicit solve for each field */
 41:   PetscBool    defaultAdj[2];     /* [use cone() or support() first, use the transitive closure] for the case of no fields */
 42:   PetscBool   *adjacency;         /* Flags for defining variable influence (adjacency) for each field [use cone() or support() first, use the transitive closure] */
 43:   PetscBool    useJacPre;         /* Flag for using the Jacobian preconditioner */
 44:   PetscObject *disc;              /* The discretization for each solution field (PetscFE, PetscFV, etc.) */
 45:   PetscPointFunc   *obj;          /* Scalar integral (like an objective function) */
 46:   PetscPointFunc   *f;            /* Weak form integrands for F, f_0, f_1 */
 47:   PetscPointJac    *g;            /* Weak form integrands for J = dF/du, g_0, g_1, g_2, g_3 */
 48:   PetscPointJac    *gp;           /* Weak form integrands for preconditioner for J, g_0, g_1, g_2, g_3 */
 49:   PetscPointJac    *gt;           /* Weak form integrands for dF/du_t, g_0, g_1, g_2, g_3 */
 50:   PetscBdPointFunc *fBd;          /* Weak form boundary integrands F_bd, f_0, f_1 */
 51:   PetscBdPointJac  *gBd;          /* Weak form boundary integrands J_bd = dF_bd/du, g_0, g_1, g_2, g_3 */
 52:   PetscRiemannFunc *r;            /* Riemann solvers */
 53:   PetscPointFunc   *update;       /* Direct update of field coefficients */
 54:   PetscSimplePointFunc *exactSol; /* Exact solutions for each field */
 55:   PetscInt          numConstants; /* Number of constants passed to point functions */
 56:   PetscScalar      *constants;    /* Array of constants passed to point functions */
 57:   void       **ctx;               /* User contexts for each field */
 58:   PetscInt     dimEmbed;          /* The real space coordinate dimension */
 59:   /* Computed sizes */
 60:   PetscInt     totDim;            /* Total system dimension */
 61:   PetscInt     totComp;           /* Total field components */
 62:   PetscInt    *Nc;                /* Number of components for each field */
 63:   PetscInt    *Nb;                /* Number of basis functions for each field */
 64:   PetscInt    *off;               /* Offsets for each field */
 65:   PetscInt    *offDer;            /* Derivative offsets for each field */
 66:   PetscReal  **basis;             /* Default basis tabulation for each field */
 67:   PetscReal  **basisDer;          /* Default basis derivative tabulation for each field */
 68:   PetscReal  **basisFace;         /* Basis tabulation for each local face and field */
 69:   PetscReal  **basisDerFace;      /* Basis derivative tabulation for each local face and field */
 70:   /* Work space */
 71:   PetscScalar *u;                 /* Field evaluation */
 72:   PetscScalar *u_t;               /* Field time derivative evaluation */
 73:   PetscScalar *u_x;               /* Field gradient evaluation */
 74:   PetscScalar *refSpaceDer;       /* Workspace for computing derivative in the reference coordinates */
 75:   PetscReal   *x;                 /* Workspace for computing real coordinates */
 76:   PetscScalar *f0, *f1;           /* Point evaluations of weak form residual integrands */
 77:   PetscScalar *g0, *g1, *g2, *g3; /* Point evaluations of weak form Jacobian integrands */
 78:   DSBoundary   boundary;          /* Linked list of boundary conditions */
 79: };

 81: typedef struct {
 82:   PetscInt dummy; /* */
 83: } PetscDS_Basic;

 85: #endif