protected void prepareYLegend(){
  ArrayList<Float> yLegend=new ArrayList<Float>();
  if (mRoundedYLegend) {
    float interval=(mDeltaY) / (mYLegendCount - 1);
    double log10=Math.log10(interval);
    int exp=(int)Math.floor(log10);
    if (exp < 0) {
      exp=0;
    }
    double tenPowExp=POW_10[exp + 5];
    double multi=Math.round(interval / tenPowExp);
    if (multi >= 1) {
      if (multi > 2 && multi <= 3) {
        multi=3;
      }
 else       if (multi > 3 && multi <= 5) {
        multi=5;
      }
 else       if (multi > 5 && multi < 10) {
        multi=10;
      }
    }
 else {
      multi=1;
    }
    float step=(float)(multi * tenPowExp);
    log(" log10 is " + log10 + " interval is "+ interval+ " mDeltaY is "+ mDeltaY+ " tenPowExp is "+ tenPowExp+ " multi is "+ multi+ " mYChartMin is "+ mYChartMin+ " step is "+ step);
    float val=0;
    if (step >= 1f) {
      val=(int)(mYChartMin / step) * step;
    }
 else {
      val=mYChartMin;
    }
    while (val <= mDeltaY + step + mYChartMin) {
      yLegend.add(val);
      val=val + step;
    }
    if (step >= 1f) {
      mYChartMin=(int)(mYChartMin / step) * step;
      log("mYChartMin write --- step >= 1f -- and mYChartMin is " + mYChartMin);
    }
    mDeltaY=val - step - mYChartMin;
    mYChartMax=yLegend.get(yLegend.size() - 1);
  }
 else {
    float interval=(mDeltaY) / (mYLegendCount - 1);
    yLegend.add(mYChartMin);
    int i=1;
    if (!isDrawOutline) {
      i=0;
    }
    for (; i < mYLegendCount - 1; i++) {
      yLegend.add(mYChartMin + ((float)i * interval));
    }
    yLegend.add(mDeltaY + mYChartMin);
  }
  mYLegend=yLegend.toArray(new Float[0]);
}

protected void prepareYLegend ( ) { ArrayList < Float > yLegend = new ArrayList < Float > ( ) ; if ( mRoundedYLegend ) { float interval = ( mDeltaY ) / ( mYLegendCount - 1 ) ; double log10 = Math . log10 ( interval ) ; int exp = ( int ) Math . floor ( log10 ) ; if ( exp < 0 ) { exp = 0 ; } double tenPowExp = POW_10 [ exp + 5 ] ; double multi = Math . round ( interval / tenPowExp ) ; if ( multi >= 1 ) { if ( multi > 2 && multi <= 3 ) { multi = 3 ; } else if ( multi > 3 && multi <= 5 ) { multi = 5 ; } else if ( multi > 5 && multi < 10 ) { multi = 10 ; } } else { multi = 1 ; } float step = ( float ) ( multi * tenPowExp ) ; log ( " log10 is " + log10 + " interval is " + interval + " mDeltaY is " + mDeltaY + " tenPowExp is " + tenPowExp + " multi is " + multi + " mYChartMin is " + mYChartMin + " step is " + step ) ; float val = 0 ; if ( step >= 1f ) { val = ( int ) ( mYChartMin / step ) * step ; } else { val = mYChartMin ; } while ( val <= mDeltaY + step + mYChartMin ) { yLegend . add ( val ) ; val = val + step ; } if ( step >= 1f ) { mYChartMin = ( int ) ( mYChartMin / step ) * step ; log ( "mYChartMin write --- step >= 1f -- and mYChartMin is " + mYChartMin ) ; } mDeltaY = val - step - mYChartMin ; mYChartMax = yLegend . get ( yLegend . size ( ) - 1 ) ; } else { float interval = ( mDeltaY ) / ( mYLegendCount - 1 ) ; yLegend . add ( mYChartMin ) ; int i = 1 ; if ( ! isDrawOutline ) { i = 0 ; } for ( ; i < mYLegendCount - 1 ; i ++ ) { yLegend . add ( mYChartMin + ( ( float ) i * interval ) ) ; } yLegend . add ( mDeltaY + mYChartMin ) ; } mYLegend = yLegend . toArray ( new Float [ 0 ] ) ; }
setup the y legend
