From 75775157ea68efdd0b71345a37a6930e5bf1d2ef Mon Sep 17 00:00:00 2001
From: ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 7 Nov 2016 00:45:00 +0000
Subject: 	Introduce table improvement by Vladimir Makarov
 <vmakarov@redhat.com>. 	[Feature #12142] 	See header of st.c for
 improvment details.

	You can see all of code history here:
	<https://github.com/vnmakarov/ruby/tree/hash_tables_with_open_addressing>

	This improvement is discussed at
	<https://bugs.ruby-lang.org/issues/12142>
	with many people, especially with Yura Sokolov.

	* st.c: improve st_table.

	* include/ruby/st.h: ditto.

	* internal.h, numeric.c, hash.c (rb_dbl_long_hash): extract a function.

	* ext/-test-/st/foreach/foreach.c: catch up this change.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56650 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 internal.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'internal.h')

diff --git a/internal.h b/internal.h
index 41e6f2ac66..83883daf46 100644
--- a/internal.h
+++ b/internal.h
@@ -1085,6 +1085,7 @@ VALUE rb_hash_has_key(VALUE hash, VALUE key);
 VALUE rb_hash_default_value(VALUE hash, VALUE key);
 VALUE rb_hash_set_default_proc(VALUE hash, VALUE proc);
 long rb_objid_hash(st_index_t index);
+long rb_dbl_long_hash(double d);
 st_table *rb_init_identtable(void);
 st_table *rb_init_identtable_with_size(st_index_t size);
 
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