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.
Introduce table improvement by Vladimir Makarov vmakarov@redhat.com.
[Feature #12142]
See header of st.c for improvment details.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56650 b2dd03c8-39d4-4d8f-98ff-823fe69b080e