{
{   This request converts the string representation of a real number to a real
{ number.  The string representation may contain leading sign (+ or -).
{
{       CLP$CONVERT_STRING_TO_REAL (STR, REAL_NUMBER, STATUS)
{
{ STR: (input) This parameter specifies the string to be converted.
{
{ REAL_NUMBER: (output) This parameter specifies the resulting real number.
{
{ STATUS: (output) This parameter specifies the request status.
{       CONDITIONS:
{
