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date and time created 85/01/02 20:10:36 by jak
[unix-history]
/
usr
/
src
/
lib
/
libplot
/
bitgraph
/
bg.h
/* bg.h 4.1 83/11/10 */
/*
* Displays plot files on a bbn bitgraph terminal.
*/
#include <stdio.h>
#include <math.h>
#define ESC 033
#define PI 3.141592659
/* The graphics address range is 0..XMAX, 0..YMAX. */
#define XMAX 768
#define YMAX 1024
#define scaleX(xi) ((int) ((xi - lowx)*scale +0.5))
#define scaleY(yi) ((int) ((yi - lowy)*scale +0.5))
extern
int
currentx
;
extern
int
currenty
;
extern
double
lowx
;
extern
double
lowy
;
extern
double
scale
;