Added Max for floating point numbers.

math.go

@@ -17,7 +17,27 @@ func NaN() float64 {
 	return math.NaN()
 }
 
-// NaN32 returns not a floating point  number.
+// NaN32 returns not a floating point number.
 func NaN32() float32 {
 	return float32(NaN())
 }
+
+// Max the maximum of the two values.
+func Max(a, b float64) float64 {
+	return math.Max(a, b)
+}
+
+// Max32 the maximum of the two values.
+func Max32(a, b float32) float32 {
+	return float32(math.Max(float64(a), float64(b)))
+}
+
+// Min the minimum of the two values.
+func Min(a, b float64) float64 {
+	return math.Min(a, b)
+}
+
+// Min32 the minimum of the two values.
+func Min32(a, b float32) float32 {
+	return float32(math.Min(float64(a), float64(b)))
+}

pointf32.go

@@ -12,3 +12,11 @@ var ZeroPtF32 = PointF32{X: 0, Y: 0}
 func PtF32(x, y float32) PointF32 {
 	return PointF32{x, y}
 }
+
+// In tests if the point p is inside the rectangle r.
+func (p PointF32) In(r RectangleF32) bool {
+	if p.X < r.Min.X || p.X >= r.Max.X || p.Y < r.Min.Y || p.Y >= r.Max.Y {
+		return false
+	}
+	return true
+}