SYNTAX

C Syntax

int MPI_Op_commutative(MPI_Op op, int* commute)

Fortran Syntax

USE MPI
! or the older form: INCLUDE 'mpif.h'
MPI_OP_COMMUTATIVE(OP, COMMUTE, IERROR)
    INTEGER OP, IERROR
    LOGICAL COMMUTE

Fortran 2008 Syntax

USE mpi_f08
MPI_Op_commutative(op, commute, ierror)
    TYPE(MPI_Op), INTENT(IN) :: op
    LOGICAL, INTENT(OUT) :: commute
    INTEGER, OPTIONAL, INTENT(OUT) :: ierror