PetscGlobalMax

Computes the maximum value over several processors

Synopsis

#include "petsc.h"   
int PetscGlobalMax(PetscReal* local,PetscReal* result,MPI_Comm comm)
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 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/src/objects/pinit.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages

Examples

src/snes/examples/tutorials/ex26.c.html