Replaced the built round method to custom one

examples/talk_detector/talkdet.go

@@ -112,7 +112,7 @@ func FindFaces(pixels []uint8) uintptr {
 		dist1 := math.Sqrt(math.Pow(float64(p2.y-p1.y), 2) + math.Pow(float64(p2.x-p1.x), 2))
 		dist2 := math.Sqrt(math.Pow(float64(p4.y-p3.y), 2) + math.Pow(float64(p4.x-p3.x), 2))
 
-		mar := int(math.Round((dist1 / dist2) * 0.19))
+		mar := int(round((dist1 / dist2) * 0.19))
 		dets[i] = append(dets[i], flp.Row, flp.Col, int(flp.Scale), int(results[i].Q), 3, mar)
 	}
 
@@ -200,3 +200,12 @@ func clusterDetection(pixels []uint8, rows, cols int) []pigo.Detection {
 
 	return dets
 }
+
+// round returns the nearest integer, rounding ties away from zero.
+func round(x float64) float64 {
+	t := math.Trunc(x)
+	if math.Abs(x-t) >= 0.5 {
+		return t + math.Copysign(1, x)
+	}
+	return t
+}