change so that scrapping mean etc can be read as float

dream/simulation/BatchScrapMachine.py

@@ -75,7 +75,7 @@ class BatchScrapMachine(Machine):
     def removeEntity(self, entity=None):
         activeEntity = Machine.removeEntity(self, entity)
         scrapQuantity=self.scrapRng.generateNumber()        
-        activeEntity.numberOfUnits-=scrapQuantity
+        activeEntity.numberOfUnits-=int(scrapQuantity)  # the scrapQuantity should be integer at whatever case
         if activeEntity.numberOfUnits<0:
             activeEntity.numberOfUnits==0
         return activeEntity

dream/simulation/LineGenerationJSON.py

@@ -356,10 +356,10 @@ def createObjects():
             processingTime=element.get('processingTime',{})
             scrapQuantity=element.get('scrapQuantity', {})
             scrapDistributionType=scrapQuantity.get('distributionType', 'not found')
-            scrMean=int(scrapQuantity.get('mean') or 0)
+            scrMean=float(scrapQuantity.get('mean') or 0)
             scrStdev=float(scrapQuantity.get('stdev') or 0)
-            scrMin=int(scrapQuantity.get('min') or 0)
-            scrMax=int(scrapQuantity.get('max') or scrMean+5*scrStdev)
+            scrMin=float(scrapQuantity.get('min') or 0)
+            scrMax=float(scrapQuantity.get('max') or scrMean+5*scrStdev)
             failures=element.get('failures', {})  
             failureDistribution=failures.get('failureDistribution', 'not found')
             MTTF=float(failures.get('MTTF') or 0)
@@ -386,10 +386,10 @@ def createObjects():
             processingTime=element.get('processingTime', {})
             scrapQuantity=element.get('scrapQuantity', {})
             scrapDistributionType=scrapQuantity.get('distributionType', 'not found')
-            scrMean=int(scrapQuantity.get('mean') or 0)
+            scrMean=float(scrapQuantity.get('mean') or 0)
             scrStdev=float(scrapQuantity.get('stdev') or 0)
-            scrMin=int(scrapQuantity.get('min') or 0)
-            scrMax=int(scrapQuantity.get('max') or scrMean+5*scrStdev)
+            scrMin=float(scrapQuantity.get('min') or 0)
+            scrMax=float(scrapQuantity.get('max') or scrMean+5*scrStdev)
             failures=element.get('failures', {})  
             failureDistribution=failures.get('distributionType', 'not found')
             MTTF=float(failures.get('MTTF') or 0)