/* ------- file: -------------------------- atom.h ------------------ */

#ifndef __INPUT_H__
#define __INPUT_H__

/* Defines input data structure.
 *
 * Sara Seager
 * Last modified: Apr. 16, 1999
 */

#define YP  0.24
#define To  2.728

struct Input {
  double Omega0;
  double OmegaB;    /* Omega Baryons */
  double OmegaK;    /* Omega Curvature */
  double OmegaL;    /* Omega Lambda  */
  double zstart;
  double zend;
  double hstep;
  double F;
  double H0;
};


/* --- Associated function prototypes --               -------------- */

void H_z(double z, double *Hz, double *DHz);
double NHnow(double z);


#endif /* !__INPUT_H__ */

/* ------- end ---------------------------- atom.h ------------------ */