/*---------------     rkf45.h  6 January 1984	   -------------------*/
#include <stdio.h>
#include <math.h>

typedef int	 boolean;
typedef int	 integer;
typedef int	 int_2;
typedef long int int_4;
typedef float	 real_4;
typedef double	 real_8;

#define FALSE	 0
#define false	 0
#define TRUE	 1
#define true	 1

#define NEQN 20 	       /* maximum number of equations */