shithub: riscv

ref: b7a4dab54ab89f9cd62f3a31166cff553450cd28
dir: /sys/src/cmd/plot/libplot/circ.c/

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#include "mplot.h"
void circ(double xc, double yc, double r){
	Point p;
	int rad;
	p.x=SCX(xc);
	p.y=SCY(yc);
	if (r < 0) 
		rad=SCR(-r);
	else
		rad=SCR(r);
	ellipse(screen, p, rad, rad, 0, getcolor(e1->foregr), ZP);
}