From d2ffdb108897151d3bcb7e079aa6b0d37c4409fb Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Mon, 12 May 2025 13:51:12 +0900
Subject: [PATCH] Explicit cast down from `double` to `int`

---
 ext/json/vendor/fpconv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ext/json/vendor/fpconv.c b/ext/json/vendor/fpconv.c
index 440759e5a0..1bbca28739 100644
--- a/ext/json/vendor/fpconv.c
+++ b/ext/json/vendor/fpconv.c
@@ -92,7 +92,7 @@ static Fp find_cachedpow10(int exp, int* k)
 {
     const double one_log_ten = 0.30102999566398114;
 
-    int approx = -(exp + npowers) * one_log_ten;
+    int approx = (int)(-(exp + npowers) * one_log_ten);
     int idx = (approx - firstpower) / steppowers;
 
     while(1) {