Added other tests

Added tests for:
-Average (all cases)
-STD (all cases)
-Anomaly detection (on a uniform distribution)

include/dataAcquisition.h

@@ -6,7 +6,7 @@
 #include <stdlib.h>
 
 void initializeReadings();
-void freeReadings();
+bool freeReadings();
 
 int getSensorsNumber();
 int getSlidingWindowSize();
@@ -20,6 +20,12 @@ float getOverallAverage();
 
 float getStandardDeviationOnSensor(int sensorIndex);
 float getStandardDeviationOnAllSensors();
-float getStandardDeviationOnAllSensors();
+float getOverallStandardDeviation();
+
+float getLastReading(int sensorIndex);
+
+bool anomalyDetect(float average, float standardDeviation);
+
+int getOutlierCount();
 
 #endif // DATA_ACQUISITION_H