Intermediate commit for cycle development.

Former-commit-id: c393673ef99ecd8ecca9760ee5f7798c707a59fd

examples/scripts/sellar_problem.py

@@ -3,6 +3,8 @@ import logging
 
 from collections import OrderedDict
 
+import networkx as nx
+
 from kadmos.graph import RepositoryConnectivityGraph, FundamentalProblemGraph, load
 from kadmos.utilities.general import get_mdao_setup
 
@@ -235,6 +237,17 @@ for mdao_definition in mdao_definitions:
 
     # Get Mdao graphs
     mpg = fpg.get_mpg(name='mpg Sellar problem')
+    cycles = nx.simple_cycles(mpg)
+    print 'Cycles:'
+    for cycle in cycles:
+        print cycle
+    iterative_nodes, process_info, nested_functions = mpg.get_nested_process_ordering()
+    print 'Ordering:'
+    print iterative_nodes
+    print process_info
+    print nested_functions
+    print ''
+
     mdg = fpg.get_mdg(name='mdg Sellar problem')
     mdg.graph['name'] = 'XDSM - ' + mdao_definition
     mdg.graph['description'] = 'Solution strategy to solve the Sellar problem using the strategy: ' \