From e6d9330a978373ffc24209b5edf03eda6491f818 Mon Sep 17 00:00:00 2001
From: Dominick Allen <djallen@librehumanitas.org>
Date: Wed, 2 Apr 2025 06:43:43 -0500
Subject: Add more testing for hash maps.

---
 include/fud_hash.hpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'include/fud_hash.hpp')

diff --git a/include/fud_hash.hpp b/include/fud_hash.hpp
index a472171..8567e1f 100644
--- a/include/fud_hash.hpp
+++ b/include/fud_hash.hpp
@@ -36,6 +36,9 @@ namespace fud::detail {
 
 constexpr uint64_t roundToNearest2(uint64_t inputValue) noexcept
 {
+    if (inputValue == 0) {
+        return 1;
+    }
     uint64_t outputValue = inputValue - 1;
     constexpr uint8_t max2PowerShift = 32;
     for (uint8_t shift = 1; shift <= max2PowerShift; shift *= 2) {
-- 
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