petsc-3.3-p7 2013-05-11
PetscGlobalMax
Computes the maximum value over several processors. Only for use with ADIC!
Synopsis
PetscErrorCode PetscGlobalMax(MPI_Comm comm,const PetscReal* local,PetscReal* result)
Collective on MPI_Comm
Input Parameters
| local | - the local value
|
| comm | - the processors that find the maximum
|
Output Parameter
result -the maximum value
Notes
These functions are to be used ONLY inside user functions that are to be processed with
ADIC. PETSc will automatically provide differentiated versions of these functions
See Also
PetscGlobalMin(), PetscGlobalSum()
Level:intermediate
Location:src/sys/adic/petscglobal.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages