static double validateProbabilities()

in commons-rng-sampling/src/main/java/org/apache/commons/rng/sampling/distribution/InternalUtils.java [70:85]

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

    static double validateProbabilities(double[] probabilities) {
        if (probabilities == null || probabilities.length == 0) {
            throw new IllegalArgumentException("Probabilities must not be empty.");
        }

        double sumProb = 0;
        for (final double prob : probabilities) {
            validateProbability(prob);
            sumProb += prob;
        }

        if (Double.isInfinite(sumProb) || sumProb <= 0) {
            throw new IllegalArgumentException("Invalid sum of probabilities: " + sumProb);
        }
        return sumProb;
    }