#ifndef _sgp4io_
#define _sgp4io_
/*     ----------------------------------------------------------------
*
*                                 sgp4io.h;
*
*    this file contains a function to read two line element sets. while 
*    not formerly part of the sgp4 mathematical theory, it is 
*    required for practical implemenation.
*
*                            companion code for
*               fundamentals of astrodynamics and applications
*                                    2007
*                              by david vallado
*
*       (w) 719-573-2600, email dvallado@agi.com
*
*    current :
*               3 sep 07  david vallado
*                           add operationmode for afspc (a) or improved (i)
*    changes :
*              20 apr 07  david vallado
*                           misc updates for manual operation
*              14 aug 06  david vallado
*                           original baseline
*       ----------------------------------------------------------------      */

#include <stdio.h>
#include <math.h>

#include "sgp4ext.h"    // for several misc routines
#include "sgp4unit.h"   // for sgp4init and getgravconst

// ------------------------- function declarations -------------------------

void twoline2rv
     (
      char      longstr1[130], char longstr2[130],
      char      typerun,  char typeinput, char opsmode,
      gravconsttype       whichconst,
      double& startmfe, double& stopmfe, double& deltamin,
      elsetrec& satrec
     );

#endif