float e_tot=0, e_left, e_right, e_sum;
float e_tot=0; float e_left; float e_right; float e_sum;
  public void decode(final float[] data, final int frameSize)  {    int i;    float e_tot=0, e_left, e_right, e_sum;    for (i=frameSize-1; i>=0; i--) {      e_tot += data[i]*data[i];    }    e_sum=e_tot/e_ratio;    e_left  = e_sum*balance / (1+balance);    e_right = e_sum-e_left;    e_left  = (float)Math.sqrt(e_left/(e_tot+.01f));    e_right = (float)Math.sqrt(e_right/(e_tot+.01f));    for (i=frameSize-1;i>=0;i--) {      float ftmp=data[i];      smooth_left  = .98f*smooth_left  + .02f*e_left;      smooth_right = .98f*smooth_right + .02f*e_right;      data[2*i] = smooth_left*ftmp;      data[2*i+1] = smooth_right*ftmp;    }  }