Add graph, plot

1 files changed, 17 insertions, 0 deletions

diff --git a/src/cmd/plot/libplot/poly.c b/src/cmd/plot/libplot/poly.c
new file mode 100644
index 00000000..e3ff7345
--- /dev/null
+++ b/src/cmd/plot/libplot/poly.c
@@ -0,0 +1,17 @@
+#include "mplot.h"
+void plotpoly(int num[], double *ff[]){
+	double *xp, *yp, **fp;
+	int i, *n;
+	n = num;
+	fp = ff;
+	while((i = *n++)){
+		xp = *fp++;
+		yp = xp+1;
+		move(*xp, *yp);
+		while(--i){
+			xp += 2;
+			yp += 2;
+			vec(*xp, *yp);
+		}
+	}
+}