From b4817a54f07f576a34a079f2e8d96f8c13611a76 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Sun, 17 Jan 2021 22:53:54 +0900
Subject: Make `mrb_to_flo()` to convert objects, not integer, not float; #5268

Thinking `Ratinal` and `Complex` in mind.
---
 src/numeric.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/numeric.c b/src/numeric.c
index 117f447e5..146eb635b 100644
--- a/src/numeric.c
+++ b/src/numeric.c
@@ -39,8 +39,13 @@ mrb_to_flo(mrb_state *mrb, mrb_value val)
     return (mrb_float)mrb_integer(val);
   case MRB_TT_FLOAT:
     break;
-  default:
+  case MRB_TT_STRING:
+  case MRB_TT_FALSE:
+  case MRB_TT_TRUE:
     mrb_raise(mrb, E_TYPE_ERROR, "non float value");
+  default:
+    val = mrb_type_convert(mrb, val, MRB_TT_FLOAT, MRB_SYM(to_f));
+    break;
   }
   return mrb_float(val);
 }
-- 
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