1 files changed, 11 insertions, 0 deletions
diff --git a/src/cmd/plot/libplot/range.c b/src/cmd/plot/libplot/range.c
new file mode 100644
index 00000000..c4485560
--- /dev/null
+++ b/src/cmd/plot/libplot/range.c
@@ -0,0 +1,11 @@
+#include "mplot.h"
+void range(double x0, double y0, double x1, double y1){
+	e1->xmin = x0;
+	e1->ymin = y0;
+	e1->scalex = e1->sidex / (x1 - x0 );
+	e1->scaley = e1->sidey / (y1 - y0 );
+	e1->quantum=e0->quantum/sqrt(e1->scalex*e1->scalex +
+		e1->scaley*e1->scaley);
+	if(e1->quantum < .01)
+		e1->quantum = .01;
+}