Example usage for java.lang Double isNaN

Introduction

In this page you can find the example usage for java.lang Double isNaN.

Prototype

public static boolean isNaN(double v)

Source Link

Document

Returns true if the specified number is a Not-a-Number (NaN) value, false otherwise.

Usage

From source file:cc.redberry.core.number.Numeric.java

/**
 * @return {@code Double.isNaN(value)}
 * @see Double#isNaN(double)
 */
@Override
public boolean isNaN() {
    return Double.isNaN(value);
}

From source file:org.jfree.data.statistics.DefaultBoxAndWhiskerCategoryDataset.java

/**
 * Adds a list of values relating to one Box and Whisker entity to the
 * table.  The various median values are calculated.
 *
 * @param item  a box and whisker item (<code>null</code> not permitted).
 * @param rowKey  the row key (<code>null</code> not permitted).
 * @param columnKey  the column key (<code>null</code> not permitted).
 *
 * @see #add(List, Comparable, Comparable)
 *//*from w ww  .  j a  v a 2 s.co m*/
public void add(BoxAndWhiskerItem item, Comparable rowKey, Comparable columnKey) {

    this.data.addObject(item, rowKey, columnKey);

    // update cached min and max values
    int r = this.data.getRowIndex(rowKey);
    int c = this.data.getColumnIndex(columnKey);
    if ((this.maximumRangeValueRow == r && this.maximumRangeValueColumn == c)
            || (this.minimumRangeValueRow == r && this.minimumRangeValueColumn == c)) {
        updateBounds();
    } else {

        double minval = Double.NaN;
        if (item.getMinOutlier() != null) {
            minval = item.getMinOutlier().doubleValue();
        }
        double maxval = Double.NaN;
        if (item.getMaxOutlier() != null) {
            maxval = item.getMaxOutlier().doubleValue();
        }

        if (Double.isNaN(this.maximumRangeValue)) {
            this.maximumRangeValue = maxval;
            this.maximumRangeValueRow = r;
            this.maximumRangeValueColumn = c;
        } else if (maxval > this.maximumRangeValue) {
            this.maximumRangeValue = maxval;
            this.maximumRangeValueRow = r;
            this.maximumRangeValueColumn = c;
        }

        if (Double.isNaN(this.minimumRangeValue)) {
            this.minimumRangeValue = minval;
            this.minimumRangeValueRow = r;
            this.minimumRangeValueColumn = c;
        } else if (minval < this.minimumRangeValue) {
            this.minimumRangeValue = minval;
            this.minimumRangeValueRow = r;
            this.minimumRangeValueColumn = c;
        }
    }

    fireDatasetChanged();

}