# Copyright (C) 2006 Douglas Gregor . # Use, modification and distribution is subject to the Boost Software # License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at # http://www.boost.org/LICENSE_1_0.txt) # Test broadcast() collective. import boost.parallel.mpi as mpi def broadcast_test(comm, value, kind, root): if comm.rank == root: print ("Broadcasting %s from root %d..." % (kind, root)), got_value = mpi.broadcast(comm, value, root) assert got_value == value if comm.rank == root: print "OK." return broadcast_test(mpi.world, 17, 'integer', 0) broadcast_test(mpi.world, 17, 'integer', 1) broadcast_test(mpi.world, 'Hello, World!', 'string', 0) broadcast_test(mpi.world, 'Hello, World!', 'string', 1) broadcast_test(mpi.world, ['Hello', 'MPI', 'Python', 'World'], 'list of strings', 0) broadcast_test(mpi.world, ['Hello', 'MPI', 'Python', 'World'], 'list of strings', 1)