added documentation for all functions

2016-08-27 21:14:16 -07:00
parent 9b908a8db1
commit ecc870943e
4 changed files with 34 additions and 3 deletions
@@ -2,6 +2,7 @@ package rect

 import "math"

+// Returns the size of the triangle formed by points p1, p2, and p3
 func sizeTriangle(p1, p2, p3 Point) float64 {
 	return math.Abs((p1.X*p2.Y + p2.X*p3.Y + p3.X*p1.Y - p1.Y*p2.X - p2.Y*p3.X - p3.Y*p1.X) / 2)
 }