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# Copyright (C) 2006 Douglas Gregor <doug.gregor -at- gmail.com>.
# 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 all_to_all() collective.
import boost.parallel.mpi as mpi
from generators import *
def all_to_all_test(comm, generator, kind):
if comm.rank == 0:
print ("All-to-all transmission of %s..." % (kind,)),
values = list()
for p in range(0, comm.size):
values.append(generator(p))
result = mpi.all_to_all(comm, values)
for p in range(0, comm.size):
assert result[p] == generator(comm.rank)
if comm.rank == 0: print "OK."
return
all_to_all_test(mpi.world, int_generator, "integers")
all_to_all_test(mpi.world, gps_generator, "GPS positions")
all_to_all_test(mpi.world, string_generator, "strings")
all_to_all_test(mpi.world, string_list_generator, "list of strings")
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