{
{   This request converts a real number to  its  string  representation.   The
{ result  is  left  justified  in  the returned string.  If the real number is
{ negative, the first character of the result is a minus  sign  (-).   If  the
{ absolute value of the real number is less than or equal to 10**-6 or greater
{ than 10**9, then an exponent is included in the result.
{
{       CLP$CONVERT_REAL_TO_STRING (REAL_NUMBER, NUMBER_OF_DIGITS, STR,
{         STATUS)
{
{ REAL_NUMBER:  (input)  This  parameter  specifies  the  real  number  to  be
{       converted.
{
{ NUMBER_OF_DIGITS:  (input)  This  parameter  specifies the maximum number of
{       digits to include in the result.  There may be fewer digits than  this
{       since zero  digits to the right of the decimal point are not included.
{
{ STR: (output) This parameter specifies the string representation of the real
{       number.
{
{ STATUS: (output) This parameter specifies the request status.
{       CONDITIONS:
{
