Review

class SimplexTableau {
    /**
     * Get new versions of the constraints which have positive right hand sides.
     * @param originalConstraints original (not normalized) constraints
     * @return new versions of the constraints
     */
    public List<LinearConstraint> normalizeConstraints(Collection<LinearConstraint> originalConstraints) {
        List<LinearConstraint> normalized = new ArrayList<LinearConstraint>();
        for (LinearConstraint constraint : originalConstraints) {
            normalized.add(normalize(constraint));
        }
        return normalized;
    }

}