4d47302179
https://svn.boost.org/svn/boost/trunk ........ r43417 | danieljames | 2008-02-26 22:04:55 +0000 (Tue, 26 Feb 2008) | 2 lines Fix a link to Boost.Bimap. ........ r43418 | danieljames | 2008-02-26 22:07:25 +0000 (Tue, 26 Feb 2008) | 2 lines Change another link that's no longer in the repository to link to the website. ........ r43422 | danieljames | 2008-02-27 18:51:14 +0000 (Wed, 27 Feb 2008) | 1 line Fix broken copyright urls. Fixes #1573. ........ r43423 | danieljames | 2008-02-27 19:22:01 +0000 (Wed, 27 Feb 2008) | 1 line Fix incorrect links to copyright of the form 'http:#www.boost.org ........ [SVN r43425]
30 lines
1.1 KiB
Python
30 lines
1.1 KiB
Python
# Copyright (C) 2006 Douglas Gregor <doug.gregor -at- gmail.com>.
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# Use, modification and distribution is subject to the Boost Software
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# License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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# http://www.boost.org/LICENSE_1_0.txt)
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# Test scan() collective.
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import boost.parallel.mpi as mpi
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from generators import *
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def scan_test(comm, generator, kind, op, op_kind):
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if comm.rank == 0:
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print ("Prefix reduction to %s of %s..." % (op_kind, kind)),
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my_value = generator(comm.rank)
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result = mpi.scan(comm, my_value, op)
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expected_result = generator(0);
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for p in range(1, comm.rank+1):
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expected_result = op(expected_result, generator(p))
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assert result == expected_result
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if comm.rank == 0:
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print "OK."
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return
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scan_test(mpi.world, int_generator, "integers", lambda x,y:x + y, "sum")
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scan_test(mpi.world, int_generator, "integers", lambda x,y:x * y, "product")
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scan_test(mpi.world, string_generator, "strings", lambda x,y:x + y, "concatenation")
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scan_test(mpi.world, string_list_generator, "list of strings", lambda x,y:x + y, "concatenation")
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