docs: public static IntTuple getArgmax(float[][] array, float delta) {
          float maxValue = Float.NEGATIVE_INFINITY;
          int maxX = -1;
          int maxY = -1;
          float numMax = 1;
          for (int x=0; x<array.length; x++) {
              for (int y=0; y<array[x].length; y++) {
                  float diff = Primitives.compare(array[x][y], maxValue, delta);
                  if (diff == 0 && Prng.nextFloat() < 1.0 / numMax) {
                      maxValue = array[x][y];
                      maxX = x;
                      maxY = y;
                      numMax++;
                  } else if (diff > 0) {
                      maxValue = array[x][y];
                      maxX = x;
                      maxY = y;
                      numMax = 1;
                  }
              }
          }
          return new IntTuple(maxX, maxY);
      }