added extrapolation cost to example

HintCOEngine/instances/algebraic_loop_opt_test.hintco

@@ -2,30 +2,30 @@
 <hintco:HintConfiguration xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:hintco="ua.ansymo.hintco">
   <candidates identifier="Scenario" stopTime="10.0" stepSize="1.0" outputStepSize="1.0">
     <cosimunits xsi:type="hintco:CosimUnitInstance" identifier="A" declaration="//@csuDeclarations.0">
-      <ports xsi:type="hintco:InputPortInstance" identifier="3fromB" valueFrom="//@candidates.0/@cosimunits.1/@ports.1">
+      <ports xsi:type="hintco:InputPortInstance" identifier="3fromB" extrapolationCost="3.0" valueFrom="//@candidates.0/@cosimunits.1/@ports.1">
         <adaptation xsi:type="hintco:InterpolationAdaptation"/>
       </ports>
-      <ports xsi:type="hintco:InputPortInstance" identifier="5fromC" valueFrom="//@candidates.0/@cosimunits.2/@ports.2">
+      <ports xsi:type="hintco:InputPortInstance" identifier="5fromC" extrapolationCost="5.0" valueFrom="//@candidates.0/@cosimunits.2/@ports.2">
         <adaptation xsi:type="hintco:InterpolationAdaptation"/>
       </ports>
       <ports xsi:type="hintco:OutputPortInstance" identifier="4toB" valueTo="//@candidates.0/@cosimunits.1/@ports.0"/>
       <ports xsi:type="hintco:OutputPortInstance" identifier="3toC" valueTo="//@candidates.0/@cosimunits.2/@ports.1"/>
     </cosimunits>
     <cosimunits xsi:type="hintco:CosimUnitInstance" identifier="B" declaration="//@csuDeclarations.0">
-      <ports xsi:type="hintco:InputPortInstance" identifier="4fromA" valueFrom="//@candidates.0/@cosimunits.0/@ports.2">
+      <ports xsi:type="hintco:InputPortInstance" identifier="4fromA" extrapolationCost="4.0" valueFrom="//@candidates.0/@cosimunits.0/@ports.2">
         <adaptation xsi:type="hintco:InterpolationAdaptation"/>
       </ports>
       <ports xsi:type="hintco:OutputPortInstance" identifier="3toA" valueTo="//@candidates.0/@cosimunits.0/@ports.0"/>
       <ports xsi:type="hintco:OutputPortInstance" identifier="3toC" valueTo="//@candidates.0/@cosimunits.2/@ports.0"/>
-      <ports xsi:type="hintco:InputPortInstance" identifier="10fromC" valueFrom="//@candidates.0/@cosimunits.2/@ports.3">
+      <ports xsi:type="hintco:InputPortInstance" identifier="10fromC" extrapolationCost="10.0" valueFrom="//@candidates.0/@cosimunits.2/@ports.3">
         <adaptation xsi:type="hintco:ExtrapolationAdaptation"/>
       </ports>
     </cosimunits>
     <cosimunits xsi:type="hintco:CosimUnitInstance" identifier="C" declaration="//@csuDeclarations.0">
-      <ports xsi:type="hintco:InputPortInstance" identifier="3fromB" valueFrom="//@candidates.0/@cosimunits.1/@ports.2">
+      <ports xsi:type="hintco:InputPortInstance" identifier="3fromB" extrapolationCost="3.0" valueFrom="//@candidates.0/@cosimunits.1/@ports.2">
         <adaptation xsi:type="hintco:InterpolationAdaptation"/>
       </ports>
-      <ports xsi:type="hintco:InputPortInstance" identifier="3fromA" valueFrom="//@candidates.0/@cosimunits.0/@ports.3">
+      <ports xsi:type="hintco:InputPortInstance" identifier="3fromA" extrapolationCost="3.0" valueFrom="//@candidates.0/@cosimunits.0/@ports.3">
         <adaptation xsi:type="hintco:InterpolationAdaptation"/>
       </ports>
       <ports xsi:type="hintco:OutputPortInstance" identifier="5toA" valueTo="//@candidates.0/@cosimunits.0/@ports.1"/>