petsc-3.11.4 2019-09-28
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PetscBagCreate

 Create a bag of values

Synopsis

#include "petscbag.h"   
PetscErrorCode PetscBagCreate(MPI_Comm comm, size_t bagsize, PetscBag *bag)
Collective on MPI_Comm

Input Parameters

comm - communicator to share bag
bagsize - 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; this means a bag cannot be larger than 2 gigabytes in length. 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(), PetscBagRegisterBool(), PetscBagRegisterScalar() PetscBagSetFromOptions(), PetscBagCreate(), PetscBagDestroy(), PetscBagRegisterEnum()

Level

Intermediate

Location

src/sys/classes/bag/bag.c

Examples

src/sys/examples/tutorials/ex5.c.html
src/sys/examples/tutorials/ex5f90.F90.html
src/dm/examples/tutorials/ex7.c.html

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