Miscellany

 public class Steps {    public StepSpec computeDesign(double totalRise, double totalRun,                            StepEvaluator eval, double idealRise){        int numSteps;        StepSpec[] ssarray = new StepSpec[3];        double[] goodness = new double[3];        double newrise;        double newrun;        int i;        numSteps = (int) (totalRise / idealRise);        for(i = 0; i < 3; i++){                newrise = totalRise / numSteps;                newrun = totalRun / (numSteps -1);                ssarray[i] = new StepSpec(newrise, newrun, numSteps);                goodness[i] = eval.evaluate(ssarray[i]);        }        if (goodness[1] < goodness[2] && goodness[1] < goodness[3])                return ssarray[1];        if (goodness[2] < goodness[1] && goodness[2] < goodness[3])                return ssarray[2];        if (goodness[3] < goodness[2] && goodness[3] < goodness[1])                return ssarray[3];        }        return null;}