PetscMPIIntCheck(a) checks if the given PetscInt a will fit in a PetscMPIInt, if not it generates a PETSC_ERR_ARG_OUTOFRANGE.
PetscMPIInt b = PetscMPIIntCast(a) checks if the given PetscInt a will fit in a PetscMPIInt, if not it generates a PETSC_ERR_ARG_OUTOFRANGE
Level:intermediate
Location:include/petsc.h
Index of all Sys routines
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Index of all manual pages