PetscGlobalMinMaxReal

Get the global min/max from local min/max input

Synopsis

#include "petscsys.h"  
PetscErrorCode PetscGlobalMinMaxReal(MPI_Comm comm, const PetscReal minMaxVal[2], PetscReal minMaxValGlobal[2])

Collective

Input Parameters

• comm - The MPI communicator to reduce with

• minMaxVal - An array with the local min and max

Output Parameter

• minMaxValGlobal - An array with the global min and max

See Also

PetscSplitOwnership(), PetscGlobalMinMaxInt()

Level

beginner

Location

src/sys/utils/mpiu.c

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