pljoin: Draw a line between two points

pljoin (x1,
 y1,
 x2,
 y2);
 

Joins the point (x1, y1) to (x2, y2).

x1 (PLFLT, input)

x coordinate of first point.

y1 (PLFLT, input)

y coordinate of first point.

x2 (PLFLT, input)

x coordinate of second point.

y2 (PLFLT, input)

y coordinate of second point.

Redacted form: pljoin(x1,y1,x2,y2)

This function is used in examples 3 and 14.