1 | double minimum = Double.POSITIVE_INFINITY;↵ | | 1 | double maximum = Double.NEGATIVE_INFINITY;↵
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2 | int seriesCount = dataset.getSeriesCount();↵ | | 2 | int seriesCount = dataset.getSeriesCount();↵
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3 | for (int series = 0; series < seriesCount; series++) {↵ | | 3 | for (int series = 0; series < seriesCount; series++) {↵
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4 | int itemCount = dataset.getItemCount(series);↵ | | 4 | int itemCount = dataset.getItemCount(series);↵
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5 | for (int item = 0; item < itemCount; item++) {↵ | | 5 | for (int item = 0; item < itemCount; item++) {↵
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6 | double value;↵ | | 6 | double value;↵
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7 | if (dataset instanceof IntervalXYDataset) {↵ | | 7 | if (dataset instanceof IntervalXYDataset) {↵
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8 | IntervalXYDataset intervalXYData↵ | | 8 | IntervalXYDataset intervalXYData↵
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9 | = (IntervalXYDataset) dataset;↵ | | 9 | = (IntervalXYDataset) dataset;↵
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10 | value = intervalXYData.getStartYValue(series, item);↵ | | 10 | value = intervalXYData.getEndYValue(series, item);↵
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11 | }↵ | | 11 | }↵
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12 | else if (dataset instanceof OHLCDataset) {↵ | | 12 | else if (dataset instanceof OHLCDataset) {↵
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13 | OHLCDataset highLowData = (OHLCDataset) dataset;↵ | | 13 | OHLCDataset highLowData = (OHLCDataset) dataset;↵
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14 | value = highLowData.getLowValue(series, item);↵ | | 14 | value = highLowData.getHighValue(series, item);↵
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15 | }↵ | | 15 | }↵
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16 | else {↵ | | 16 | else {↵
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17 | value = dataset.getYValue(series, item);↵ | | 17 | value = dataset.getYValue(series, item);↵
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18 | }↵ | | 18 | }↵
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19 | if (!Double.isNaN(value)) {↵ | | 19 | if (!Double.isNaN(value)) {↵
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20 | minimum = Math.min(minimum, value);↵ | | 20 | maximum = Math.max(maximum, value);↵
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21 | }↵ | | 21 | }↵
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22 | }↵ | | 22 | }↵
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23 | }↵ | | 23 | }↵
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24 | if (minimum == Double.POSITIVE_INFINITY) {↵ | | 24 | if (maximum == Double.NEGATIVE_INFINITY) {↵
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25 | return null;↵ | | 25 | return null;↵
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26 | }↵ | | 26 | }↵
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27 | else {↵ | | 27 | else {↵
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28 | return new Double(minimum);↵ | | 28 | return new Double(maximum);↵
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29 | } | | 29 | }
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