cwood1967

/* fast floating point exp function
 * must initialize table with buildexptable before using
 
Based on 
 A Fast, Compact Approximation of the Exponential Function
 Nicol N. Schraudolph 1999

Adapted to single precision to improve speed and added adjustment table to improve accuracy.
Alrecenk 2014

cwood1967

    private void drawRoi(double x, double y) {

        int x0 = (int)x - roiSize/2;
        int y0 = (int)y - roiSize/2;
        Roi roi = new Roi(x0, y0, roiSize, roiSize);

        manager.add(imp, roi, 1);
        manager.runCommand(imp, "Show All");

    }