Merge pull request #7 from Ferix9288/fix_fast_cos

Fix FastCos
smira · Jun 27, 2019 · b2d9c6d · b2d9c6d
2 parents 065780e + 3a89fc2
commit b2d9c6d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/distance.go b/distance.go
@@ -45,7 +45,7 @@ func FastSine(x float64) float64 {
 // FastCos calculates cosinus from sinus
 func FastCos(x float64) float64 {
 	x += math.Pi / 2.0
-	if x > math.Pi {
+	for x > math.Pi {
 		x -= 2 * math.Pi
 	}