     displayNumber();
   }
 
-  //testCaseAllNum();
-  splitNumber(.1111);
+  testCaseAllNum();
+  //splitNumber(1000);
 }
 
 void clearLEDs() {


//global variables for the test function
const long testInterval = 500; //counter delay in milliseconds
long previousTestTime = 0; //previous count time
int testLoop = -110; //counter for counting loop
int resetTestLoop = 10000;

void testCaseAllNum() {
  //test case, a loop timer that runs through each integer from 0 to 9999

  int digitsLeft = 0;
  int index = 0;

  int splitLeft[4]={-1,-1,-1,-1};
  int splitRight[4]={0,0,0,0};

  //clear previous values of the num array
  for (int i=0; i<4; i++)
