Function reduce

src/Pstream/mpi/UPstream.C:192–208

void Foam::reduce
(
    scalar& Value,
    const sumOp<scalar>& bop,
    const int tag,
    const label communicator
)
{
    if (UPstream::warnComm != -1 && communicator != UPstream::warnComm)
    {
        Pout<< "** reducing:" << Value << " with comm:" << communicator
            << " warnComm:" << UPstream::warnComm
            << endl;
        error::printStack(Pout);
    }
    allReduce(Value, 1, MPI_SCALAR, MPI_SUM, bop, tag, communicator);
}


void Foam::reduce