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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_gather() collective.
from __future__ import print_function
import mpi
from generators import *
def all_gather_test(comm, generator, kind):
if comm.rank == 0: print ("Gathering %s..." % (kind,)),
my_value = generator(comm.rank)
result = mpi.all_gather(comm, my_value)
for p in range(0, comm.size):
assert result[p] == generator(p)
if comm.rank == 0: print( "OK.")
return
all_gather_test(mpi.world, int_generator, "integers")
all_gather_test(mpi.world, gps_generator, "GPS positions")
all_gather_test(mpi.world, string_generator, "strings")
all_gather_test(mpi.world, string_list_generator, "list of strings")
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