Hotfixes

test/test_dataAcquisition.c

@@ -429,22 +429,42 @@ void test_getMetrics()
 
     // initialize a matrix of readings
     float **readings = (float **)malloc(NUMBER_OF_SENSORS * sizeof(float *));
-    for (int i = 0; i < NUMBER_OF_SENSORS; i++)
+    for (int sensor = 0; sensor < NUMBER_OF_SENSORS; sensor++)
     {
-        readings[i] = (float *)malloc(SLIDING_WINDOW_SIZE * sizeof(float));
-        for (int j = 0; j < SLIDING_WINDOW_SIZE; j++)
+        readings[sensor] = (float *)malloc(10000 * sizeof(float));
+    }
+
+    // fill the matrix with normal distribution data
+    for (int i = 0; i < 10000; i++)
+    {
+        for (int sensor = 0; sensor < NUMBER_OF_SENSORS; sensor++)
         {
-            readings[i][j] = j + 1;
+        float u1 = (float)rand() / RAND_MAX;
+        float u2 = (float)rand() / RAND_MAX;
+        float z0 = sqrt(-2.0 * log(u1)) * cos(2.0 * M_PI * u2);
+        readings[sensor][i] = NORMAL_DISTRIBUTION_MEAN + z0 * NORMAL_DISTRIBUTION_STDDEV;
         }
     }
 
-    // get metrics
-    Metrics metrics = getMetrics(readings, NUMBER_OF_SENSORS, SLIDING_WINDOW_SIZE);
+    // add a broken sensor
+    for (int i = 0; i < 100; i++)
+    {
+        readings[0][i] = 1000;
+    }
 
-    printf("Metrics:\n");
+    // get metrics
+    Metrics metrics = getMetrics(readings, NUMBER_OF_SENSORS, 10000);
+
+    printf("\nMetrics:\n") ;
     printf("Mean: %f\n", metrics.mean);
     printf("Standard Deviation: %f\n", metrics.standardDeviation);
-    printf("Possible Faulty Sensor: %d\n", metrics.possibleFaultySensor);
+
+    // print the faulty sensors
+    printf("Possible faulty sensors: ");
+    for (int i = 0; i < NUMBER_OF_SENSORS; i++)
+    {
+        printf("%d ", metrics.possibleFaultySensor[i]);
+    }
 
 }