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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 gather() collective.
- import boost.parallel.mpi as mpi
- from generators import *
- def gather_test(comm, generator, kind, root):
- if comm.rank == root:
- print ("Gathering %s to root %d..." % (kind, root)),
- my_value = generator(comm.rank)
- result = mpi.gather(comm, my_value, root)
- if comm.rank == root:
- for p in range(0, comm.size):
- assert result[p] == generator(p)
- print "OK."
- else:
- assert result == None
- return
- gather_test(mpi.world, int_generator, "integers", 0)
- gather_test(mpi.world, int_generator, "integers", 1)
- gather_test(mpi.world, gps_generator, "GPS positions", 0)
- gather_test(mpi.world, gps_generator, "GPS positions", 1)
- gather_test(mpi.world, string_generator, "strings", 0)
- gather_test(mpi.world, string_generator, "strings", 1)
- gather_test(mpi.world, string_list_generator, "list of strings", 0)
- gather_test(mpi.world, string_list_generator, "list of strings", 1)
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