private double createFiniteUpperBound()

in commons-statistics-distribution/src/main/java/org/apache/commons/statistics/distribution/AbstractContinuousDistribution.java [307:331]

• 23 lines of code
• 6 McCabe index (conditional complexity)

    private double createFiniteUpperBound(final double p, final double q, boolean complement,
        double lowerBound, final double mu, final double sig, final boolean chebyshevApplies) {
        double upperBound;
        if (chebyshevApplies) {
            upperBound = mu + sig * Math.sqrt(p / q);
        } else {
            upperBound = Double.POSITIVE_INFINITY;
        }
        // Bound may have been set as infinite
        if (upperBound == Double.POSITIVE_INFINITY) {
            upperBound = Math.max(1, lowerBound);
            if (complement) {
                while (survivalProbability(upperBound) >= q) {
                    upperBound *= 2;
                }
            } else {
                while (cumulativeProbability(upperBound) < p) {
                    upperBound *= 2;
                }
            }
            // Ensure finite
            upperBound = Math.min(upperBound, Double.MAX_VALUE);
        }
        return upperBound;
    }