comm -the MPI communicator or MPI_COMM_NULL if object is not valid
Notes: Never use this in the form
comm = PetscObjectComm((PetscObject)obj);
instead use PetscObjectGetComm()
See Also
PetscObjectGetComm()
Level:advanced
Location:src/sys/objects/gcomm.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages
Examples
src/mat/examples/tutorials/ex8.c.html
src/ksp/ksp/examples/tutorials/ex49.c.html
src/ksp/ksp/examples/tutorials/ex65.c.html
src/snes/examples/tutorials/ex12.c.html
src/snes/examples/tutorials/ex15.c.html
src/snes/examples/tutorials/ex48.c.html
src/snes/examples/tutorials/ex62.c.html
src/snes/examples/tutorials/ex77.c.html
src/ts/examples/tutorials/ex9.c.html
src/ts/examples/tutorials/ex11.c.html
src/ts/examples/tutorials/ex14.c.html