https://git.ruby-lang.org/ruby.git/commit/?id=84160dc29b

From 84160dc29bf156aa7290236dcf42a8f601129cac Mon Sep 17 00:00:00 2001
From: "S.H" <gamelinks007@g...>
Date: Tue, 16 Jun 2020 17:47:59 +0900
Subject: Add static modifier for rb_int_ceil & rb_int_floor (#3217)


diff --git a/numeric.c b/numeric.c
index 04fd3a2..0061f08 100644
--- a/numeric.c
+++ b/numeric.c
@@ -176,8 +176,8 @@ static VALUE fix_rshift(long, unsigned long); https://github.com/ruby/ruby/blob/trunk/numeric.c#L176
 static VALUE int_pow(long x, unsigned long y);
 static VALUE int_even_p(VALUE x);
 static int int_round_zero_p(VALUE num, int ndigits);
-VALUE rb_int_floor(VALUE num, int ndigits);
-VALUE rb_int_ceil(VALUE num, int ndigits);
+static VALUE rb_int_floor(VALUE num, int ndigits);
+static VALUE rb_int_ceil(VALUE num, int ndigits);
 static VALUE flo_to_i(VALUE num);
 static int float_round_overflow(int ndigits, int binexp);
 static int float_round_underflow(int ndigits, int binexp);
@@ -2148,7 +2148,7 @@ rb_int_round(VALUE num, int ndigits, enum ruby_num_rounding_mode mode) https://github.com/ruby/ruby/blob/trunk/numeric.c#L2148
     return n;
 }
 
-VALUE
+static VALUE
 rb_int_floor(VALUE num, int ndigits)
 {
     VALUE f;
@@ -2171,7 +2171,7 @@ rb_int_floor(VALUE num, int ndigits) https://github.com/ruby/ruby/blob/trunk/numeric.c#L2171
     return rb_int_minus(num, rb_int_modulo(num, f));
 }
 
-VALUE
+static VALUE
 rb_int_ceil(VALUE num, int ndigits)
 {
     VALUE f;
-- 
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