From ba4995045465204805d55318efa0cbf086e4265d Mon Sep 17 00:00:00 2001
From: gingerBill <bill@gingerbill.org>
Date: Tue, 16 Jul 2024 18:33:01 +0100
Subject: [PATCH] Improve `rand.shuffle`

---
 core/math/rand/rand.odin | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/math/rand/rand.odin b/core/math/rand/rand.odin
index 4fdbad01c..4f736985f 100644
--- a/core/math/rand/rand.odin
+++ b/core/math/rand/rand.odin
@@ -618,7 +618,7 @@ shuffle :: proc(array: $T/[]$E, gen := context.random_generator) {
 		return
 	}
 
-	for i := i64(n - 1); i > 0; i -= 1 {
+	for i := i64(n - 2); i >= 0; i -= 1 {
 		j := int63_max(i + 1, gen)
 		array[i], array[j] = array[j], array[i]
 	}