1 files changed, 4 insertions, 1 deletions
diff --git a/math.cpp b/math.cpp
index 568c306..c17f57e 100644
--- a/math.cpp
+++ b/math.cpp
@@ -84,7 +84,10 @@ static float randf(void) {
 
 static float rand_gauss(void) {
 	// https://en.wikipedia.org/wiki/Normal_distribution#Generating_values_from_normal_distribution
-	float U = randf(), V = randf();
+	float U, V;
+	do {
+		U = randf(), V = randf();
+	} while (U == 0 || V == 0);
 	return sqrtf(-2 * logf(U)) * cosf(TAUf * V);
 }