/* find_smallest.pde
 Created by Justin Hsia, modified by Sam Wolfson
 
 Declares and uses a function that returns the index
 of the smallest float in an array.
 Implementation of an algorithm discussed from the
 Algorithms lecture.
 */
float[] numbers = {0.0, 3.14, -2.71, 120, 5};

// in Processing, program must be active in order to use functions 
void draw() {
  int index = findSmallest(numbers);
  println("Smallest: " + numbers[index] + " in index " + index);
  noLoop();  // don't run draw() again
}

// returns the index of the smallest number in an array
int findSmallest(float[] list) {  
  int smallest = 0;

  /* We implemented this in lecture */
  int i = 0;
  while (i < list.length) {
    if (list[i] < list[smallest]) {
      smallest = i;  
    }
    i = i + 1;
  }
  
  
  return smallest;
}