From 642497fe1950f28b3d769b0750ef59a73e4ed700 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Mon, 26 Jul 2021 10:57:42 +0900
Subject: fmt_fp.c: add implicit cast from `mrb_float` to `int8_t`.

---
 src/fmt_fp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/fmt_fp.c b/src/fmt_fp.c
index bac62b88a..bcb9ccc24 100644
--- a/src/fmt_fp.c
+++ b/src/fmt_fp.c
@@ -276,7 +276,7 @@ mrb_format_float(mrb_float f, char *buf, size_t buf_size, char fmt, int prec, ch
 
   // Print the digits of the mantissa
   for (int i = 0; i < num_digits; ++i, --dec) {
-    int8_t d = f;
+    int8_t d = (int8_t)((int)f)%10;
     *s++ = '0' + d;
     if (dec == 0 && (prec > 0 || alt_form)) {
       *s++ = '.';
-- 
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