private static String formulasVector(String java, String errorType, String prefix)
    {
        String ret = java;
        while (ret.contains("%FORMULAS%"))
        {
            int pos = ret.indexOf("%FORMULAS%");
            ret = ret.replaceFirst("%FORMULAS%", "");
            int end = ret.indexOf("%", pos);
            if (end == -1)
            {
                System.err.println("Closing % not found for %FORMULAS% in file for type " + errorType);
                return ret;
            }
            String type = ret.substring(pos, end);
            if (!formulas.containsKey(type))
            {
                System.err.println("Formulas in FORMULAS.txt does not contain entry for type " + errorType);
                return ret.substring(0, pos - 1) + ret.substring(pos + type.length() + 2, ret.length() - 1);
            }
            String fStr = "";
            ret = ret.substring(0, pos - 1) + fStr + ret.substring(pos + type.length() + 1, ret.length() - 1);
        }
        return ret;
    }

    /****************************************************************************************************************/
    /********************************************* DOUBLEVECTOR *****************************************************/
    /****************************************************************************************************************/

    /**
     * Generate all Abs + Rel classes in value.vdouble.vector.
     * @throws IOException on I/O error
     * @throws URISyntaxException when file could not be found on thhe file system
     */
    private static void generateDoubleVectorAbsRel() throws IOException, URISyntaxException

                for (Field f : c.getFields())
                {
                    if (Modifier.isPublic(f.getModifiers()) && Modifier.isStatic(f.getModifiers())
                            && Modifier.isFinal(f.getModifiers()) && !f.getName().equals("SI")
                            && !f.getName().equals("STANDARD_UNITS"))
                    {
                        String n = f.getName();
                        if (f.getName().contains("ELECTRONVOLT"))
                        {
                            n = cs.trim() + "_" + n;
                        }