//graph.h
//(c) 1997, Oguz Yetkin
//graphics routines


#ifndef GRAPH_H
#define GRAPH_H

int graphsetup(float xmin, float xmax, float ymin, float ymax);

int plot(float worldx, float worldy);

int graphline(float worldx1, float worldy1, float worldx2, float worldy2);

int grid();


//utility functions to get resolution

float deltax();
float deltay();


void  graphclose();





#endif