fix: handle case when max cooling power for driver and passenger is 0 => set...

fix: handle case when max cooling power for driver and passenger is 0 => set COP to 1 (avoid division 0/0)

VectoCore/VectoCore/Models/Declaration/DeclarationData.cs

@@ -304,6 +304,9 @@ namespace TUGraz.VectoCore.Models.Declaration
 				if (coolingPwrDriver.IsGreater(0) && comprTypeDriver == ACCompressorType.None) {
 					comprTypeDriver = comprTypePass;
 				}
+				if (coolingPwrDriver.IsEqual(0) && coolingPwrPass.IsEqual(0)) {
+					return 1.0;
+				}
 				return (coolingPwrDriver * comprTypeDriver.COP(floorType) + coolingPwrPass * comprTypePass.COP(floorType)) /
 						(coolingPwrDriver + coolingPwrPass);
 			}