1 2 #ifndef PETSCBAG_H 3 #define PETSCBAG_H 4 5 #include <petscsys.h> 6 7 /* SUBMANSEC = Sys */ 8 9 /*S 10 PetscBag - PETSc object that manages a collection of user data including parameters. 11 A bag is essentially a C struct with serialization (you can save it and load it from files). 12 13 Level: beginner 14 15 Sample Usage: 16 .vb 17 typedef struct { 18 PetscInt height; 19 PetscScalar root; 20 PetscReal byebye; 21 } MyParameters; 22 23 PetscBag bag; 24 MyParameters *params; 25 26 PetscCall(PetscBagCreate(PETSC_COMM_WORLD,sizeof(MyParameters),&bag)); 27 PetscCall(PetscBagGetData(bag,(void **)¶ms)); 28 PetscCall(PetscBagSetName(bag,"MyParameters")); 29 PetscCall(PetscBagRegisterInt(bag,¶ms.height,22,"height","Height of the water tower")); 30 .ve 31 32 .seealso: `PetscBagSetName()`, `PetscBagGetName()`, `PetscBagView()`, `PetscBagLoad()`, `PetscBagGetData()` 33 `PetscBagRegisterReal()`, `PetscBagRegisterInt()`, `PetscBagRegisterBool()`, `PetscBagRegisterScalar()` 34 `PetscBagSetFromOptions()`, `PetscBagRegisterVec()`, `PetscBagCreate()`, `PetscBagDestroy()`, `PetscBagRegisterEnum()` 35 S*/ 36 typedef struct _n_PetscBag *PetscBag; 37 typedef struct _n_PetscBagItem *PetscBagItem; 38 39 PETSC_EXTERN PetscErrorCode PetscBagCreate(MPI_Comm, size_t, PetscBag *); 40 PETSC_EXTERN PetscErrorCode PetscBagDestroy(PetscBag *); 41 PETSC_EXTERN PetscErrorCode PetscBagGetData(PetscBag, void **); 42 PETSC_EXTERN PetscErrorCode PetscBagRegisterReal(PetscBag, void *, PetscReal, const char *, const char *); 43 PETSC_EXTERN PetscErrorCode PetscBagRegisterRealArray(PetscBag, void *, PetscInt, const char *, const char *); 44 PETSC_EXTERN PetscErrorCode PetscBagRegisterString(PetscBag, void *, PetscInt, const char *, const char *, const char *); 45 PETSC_EXTERN PetscErrorCode PetscBagRegisterScalar(PetscBag, void *, PetscScalar, const char *, const char *); 46 PETSC_EXTERN PetscErrorCode PetscBagRegisterInt(PetscBag, void *, PetscInt, const char *, const char *); 47 PETSC_EXTERN PetscErrorCode PetscBagRegisterInt64(PetscBag, void *, PetscInt64, const char *, const char *); 48 PETSC_EXTERN PetscErrorCode PetscBagRegisterIntArray(PetscBag, void *, PetscInt, const char *, const char *); 49 PETSC_EXTERN PetscErrorCode PetscBagRegisterEnum(PetscBag, void *, const char *const *, PetscEnum, const char *, const char *); 50 PETSC_EXTERN PetscErrorCode PetscBagRegisterBool(PetscBag, void *, PetscBool, const char *, const char *); 51 PETSC_EXTERN PetscErrorCode PetscBagRegisterBoolArray(PetscBag, void *, PetscInt, const char *, const char *); 52 PETSC_EXTERN PetscErrorCode PetscBagGetNames(PetscBag, const char *[]); 53 54 PETSC_EXTERN PetscErrorCode PetscBagSetFromOptions(PetscBag); 55 PETSC_EXTERN PetscErrorCode PetscBagGetName(PetscBag, char **); 56 PETSC_EXTERN PetscErrorCode PetscBagSetName(PetscBag, const char *, const char *); 57 PETSC_EXTERN PetscErrorCode PetscBagSetOptionsPrefix(PetscBag, const char *); 58 59 PETSC_EXTERN PetscErrorCode PetscBagView(PetscBag, PetscViewer); 60 PETSC_EXTERN PetscErrorCode PetscBagLoad(PetscViewer, PetscBag); 61 PETSC_EXTERN PetscErrorCode PetscBagViewFromOptions(PetscBag, PetscObject, const char[]); 62 63 PETSC_EXTERN PetscErrorCode PetscBagSetViewer(PetscBag, PetscErrorCode (*)(PetscBag, PetscViewer)); 64 PETSC_EXTERN PetscErrorCode PetscBagSetLoader(PetscBag, PetscErrorCode (*)(PetscBag, PetscViewer)); 65 PETSC_EXTERN PetscErrorCode PetscBagSetDestroy(PetscBag, PetscErrorCode (*)(PetscBag)); 66 67 #define PETSC_BAG_FILE_CLASSID 1211219 68 69 #endif 70