Full merge from trunk at revision 41356 of entire boost-root tree.

[SVN r41370]
2026-02-26 16:52:28 +00:00 · 2007-11-25 18:38:02 +00:00
parent 2fb89dd7c2
commit a4cec69069
78 changed files with 8642 additions and 0 deletions
--- a/src/python/py_communicator.cpp
+++ b/src/python/py_communicator.cpp
@@ -0,0 +1,134 @@
+// (C) Copyright 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)
+
+//  Authors: Douglas Gregor
+
+/** @file communicator.cpp
+ *
+ *  This file reflects the Boost.MPI @c communicator class into
+ *  Python.
+ */
+#include <boost/python.hpp>
+#include <boost/mpi.hpp>
+#include <boost/mpi/python/serialize.hpp>
+
+using namespace boost::python;
+using namespace boost::mpi;
+
+namespace boost { namespace mpi { namespace python {
+
+extern const char* communicator_docstring;
+extern const char* communicator_default_constructor_docstring;
+extern const char* communicator_rank_docstring;
+extern const char* communicator_size_docstring;
+extern const char* communicator_send_docstring;
+extern const char* communicator_recv_docstring;
+extern const char* communicator_isend_docstring;
+extern const char* communicator_irecv_docstring;
+extern const char* communicator_probe_docstring;
+extern const char* communicator_iprobe_docstring;
+extern const char* communicator_barrier_docstring;
+extern const char* communicator_split_docstring;
+extern const char* communicator_split_key_docstring;
+extern const char* communicator_abort_docstring;
+
+object 
+communicator_recv(const communicator& comm, int source, int tag,
+                  bool return_status)
+{
+  using boost::python::make_tuple;
+
+  object result;
+  status stat = comm.recv(source, tag, result);
+  if (return_status)
+    return make_tuple(result, stat);
+  else
+    return result;
+}
+
+object 
+communicator_irecv(const communicator& comm, int source, int tag)
+{
+  using boost::python::make_tuple;
+
+  object result;
+  object req(comm.irecv(source, tag, result));
+  req.attr("value") = result;
+  return req;
+}
+
+object
+communicator_iprobe(const communicator& comm, int source, int tag)
+{
+  if (boost::optional<status> result = comm.iprobe(source, tag))
+    return object(*result);
+  else
+    return object();
+}
+
+extern void export_skeleton_and_content(class_<communicator>&);
+
+void export_communicator()
+{
+  using boost::python::arg;
+  using boost::python::object;
+  
+  class_<communicator> comm("communicator", communicator_docstring);
+  comm
+    .def(init<>())
+    .add_property("rank", &communicator::rank, communicator_rank_docstring)
+    .add_property("size", &communicator::size, communicator_size_docstring)
+    .def("send", 
+         (void (communicator::*)(int, int, const object&) const)
+           &communicator::send<object>, 
+         (arg("dest"), arg("tag") = 0, arg("value") = object()),
+         communicator_send_docstring)
+    .def("recv", &communicator_recv, 
+         (arg("source") = any_source, arg("tag") = any_tag,
+          arg("return_status") = false),
+         communicator_recv_docstring)
+    .def("isend", 
+         (request (communicator::*)(int, int, const object&) const)
+           &communicator::isend<object>, 
+         (arg("dest"), arg("tag") = 0, arg("value") = object()),
+         communicator_isend_docstring)
+    .def("irecv", &communicator_irecv, 
+         (arg("source") = any_source, arg("tag") = any_tag),
+         communicator_irecv_docstring)
+    .def("probe", &communicator::probe, 
+         (arg("source") = any_source, arg("tag") = any_tag),
+         communicator_probe_docstring)
+    .def("iprobe", &communicator_iprobe, 
+         (arg("source") = any_source, arg("tag") = any_tag),
+         communicator_iprobe_docstring)
+    .def("barrier", &communicator::barrier, communicator_barrier_docstring)
+    .def("__nonzero__", &communicator::operator bool)
+    .def("split", 
+         (communicator (communicator::*)(int) const)&communicator::split,
+         (arg("color")), communicator_split_docstring)
+    .def("split", 
+         (communicator (communicator::*)(int, int) const)&communicator::split,
+         (arg("color"), arg("key")))
+    .def("abort", &communicator::abort, arg("errcode"), 
+         communicator_abort_docstring)
+       ;
+
+  // Module-level attributes
+  scope().attr("any_source") = any_source;
+  scope().attr("any_tag") = any_tag;
+
+  {
+    communicator world;
+    scope().attr("world") = world;
+    scope().attr("rank") = world.rank();
+    scope().attr("size") = world.size();
+  }
+
+  // Export skeleton and content
+  export_skeleton_and_content(comm);
+}
+
+} } } // end namespace boost::mpi::python