/* decl.h:	Declarations for the "Newton" program.
 *
 * Written by Daniel Barrett.  100% PUBLIC DOMAIN. */

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

#ifdef UNIX
#define	BOOL	short
#define	TRUE	1
#define	FALSE	0
#else
#include <exec/types.h>
#endif
	
#define MAX_DEGREE	20		/* Maximum degree of equation. */
#define	MAX_ITERATIONS	10000
#define	EPSILON_DEFAULT	0.0000001

#define	EQUAL		!strcmp
#define	SQR(x)		((x)*(x))
	
struct ComplexNumber {			/* One complex number.     */
	double n[2];			/* Real & imaginary parts. */
};
typedef struct ComplexNumber complex;

#define	REAL		0		/* 1st element of ComplexNumber. */
#define	IMAG		1		/* 2nd element of ComplexNumber. */


/* If C is of type "complex", then:
 *
 *	C.n[REAL]	is the real part.
 *	C.n[IMAG]	is the imaginary part.
 *
*/