Long floating-point number

Sample COBOL usage PL/I procedure
IDENTIFICATION DIVISION.
PROGRAM-ID. CSFTD16.
ENVIRONMENT DIVISION.
DATA DIVISION.
WORKING-STORAGE SECTION.
1   X  USAGE IS COMPUTATIONAL-2.
PROCEDURE DIVISION.
    MOVE 0 TO X.
    CALL "PTFTD16" USING X.
    GOBACK.
END PROGRAM CSFTD16.
 
PTFTD16: Proc (X) Options(COBOL);
  Dcl SYSPRINT file;
  Dcl X Float Decimal(16);

  Put Skip List( X );
End;