Add new file

debugging.py

+# -*- coding: utf-8 -*-
+"""
+Created on Tue Jun 26 13:43:04 2018
+
+@author: GVKD1542
+"""
+from cap_constraint import find_components
+from globals import *
+
+def show_x(instance):
+    expr = "   "
+    for j in instance.nodes:
+        expr += str(j) + "    "
+    print(expr)
+    for i in instance.nodes:
+        expr = ""
+        expr += str(i) + "  "
+        for j in range(i):
+            expr += ( str( (round(instance.x[i,j].value,2) )) if instance.x[i,j].value>eps else "-.-" ) + " "
+        print(expr)
+    
+def explore_x(instance,i):
+    sum = 0
+    for j in instance.nodes:
+        a,b = (max(i,j),min(i,j))
+        if(a==b):
+            continue
+        print(str(j)+ " : " + str(round(instance.x[a,b].value,4)) + "  ")
+        sum += instance.x[a,b].value
+    print()
+    print("total : " + str(sum))
+	
+
+def show_routes(instance):
+	print()
+	print("showing routes for found solution with capacity "+str(instance.capacity.value)+ " and "+str(instance.number_of_vehicles.value)+ " vehicles")
+	print()
+	comp = find_components(instance)
+	for c in comp:
+		expr = "0 "
+		pred = 0
+		total_load = 0
+		total_cost = 0
+		for node in c:
+			total_cost += instance.costs[pred,node]
+			total_load += instance.demands[node]
+			expr+="-- "+str(round(instance.costs[pred,node],2))+" --> "
+			expr+=str(node)+ " ("
+			expr+=str(instance.demands[node])+") "
+			pred = node
+		expr+= "--> 0"
+		print(expr)
+		print("total load : "+str(total_load) + " and total cost : "+str(total_cost))
+		print()
+		
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