Changeset 3084

Timestamp:

Oct 12, 2010 11:12:17 PM (11 years ago)

Author:

jwatson

Message:

Fixed bug in constraint stage determination code in PySP - forgot to ignore constant terms, which of course don't have variables!

File:

• coopr.pysp/trunk/coopr/pysp/scenariotree.py (modified) (1 diff)

coopr.pysp/trunk/coopr/pysp/scenariotree.py

@@ -751 +751 @@
       largest_stage_index = -1
       largest_stage = None
-      
+
       canonical_repn = constraint[index].repn
       for degree, terms in canonical_repn.items():
-         if degree != -1:
+         if (degree != -1) and (degree != 0): # ignore constant terms and the variable definitions themselves.
             for var_key, coefficient in terms.items():
                var_value = canonical_repn[-1][var_key.keys()[0]]