From 371f9c71cac4f0f6f7f15c10bf552255b3343660 Mon Sep 17 00:00:00 2001
From: Victor Zverovich <viz@fb.com>
Date: Tue, 19 Jul 2022 08:36:34 -0700
Subject: [PATCH] Fix even in format_dragon

---
 include/fmt/format.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/fmt/format.h b/include/fmt/format.h
index 749f8e4a..83b2a222 100644
--- a/include/fmt/format.h
+++ b/include/fmt/format.h
@@ -2989,7 +2989,7 @@ FMT_CONSTEXPR20 inline void format_dragon(basic_fp<uint128_t> value,
       upper = &upper_store;
     }
   }
-  int even = static_cast<int>(value.f & 1);
+  int even = static_cast<int>((value.f & 1) == 0);
   if (!upper) upper = &lower;
   if ((flags & dragon::fixup) != 0) {
     if (add_compare(numerator, *upper, denominator) + even <= 0) {