# PetscBagCreate

Create a bag of values

### Synopsis

    #include "petsc.h"
    #include "petscbag.h"
    PetscErrorCode PetscBagCreate(MPI_Comm comm, size_t size, PetscBag *bag)

Collective on MPI_Comm

### Input Parameters

| comm | - communicator to share bag
| size | - size of the C structure holding the values

### Output Parameter

bag -the bag of values

### Notes

The size of the A struct must be small enough to fit in a PetscInt; by default PetscInt is 4 bytes. The warning about casting to a shorter length can be ignored below unless your A struct is too large

### See Also

PetscBag, PetscBagGetName(), PetscBagView(), PetscBagLoad(), PetscBagGetData()
PetscBagRegisterReal(), PetscBagRegisterInt(), PetscBagRegisterTruth(), PetscBagRegisterScalar() PetscBagSetFromOptions(), PetscBagCreate(), PetscBagDestroy(), PetscBagRegisterEnum()

Level:Intermediate
Location:src/sys/bag/bag.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages

### Examples

src/sys/examples/tutorials/ex5.c.html
src/sys/examples/tutorials/ex5f90.F90.html