Changeset 1965

Timestamp:

Dec 6, 2009 2:26:40 PM (11 years ago)

Author:

jwatson

Message:

Migrating reduced-cost reads for CPLEX SOL file format into svn.

File:

• coopr.plugins/trunk/coopr/plugins/mip/CPLEX.py (modified) (3 diffs)

coopr.plugins/trunk/coopr/plugins/mip/CPLEX.py

@@ -299 +299 @@
                 variable_name = None
                 variable_value = None
+                variable_reduced_cost = None
                 for i in range(1,len(tokens)):
                    field_name =  string.strip(tokens[i].split('=')[0])
@@ -306 +307 @@
                    elif field_name == "value":
                       variable_value = field_value
+                   elif field_name == "reducedCost":
+                      variable_reduced_cost = field_value
+
                 # skip the "constant-one" variable, used to capture/retain objective offsets in the CPLEX LP format.
                 if variable_name != "ONE_VAR_CONSTANT":
@@ -313 +317 @@
                    except:
                        soln.variable[variable_name].value = variable_value
+                   try:
+                       soln.variable[variable_name].rc = eval(variable_reduced_cost)
+                   except:
+                       soln.variable[variable_name].rc = variable_reduced_cost
             elif tokens[0] == "constraint":
                 constraint_name = None