diff options
author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-03-18 03:01:58 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-03-18 03:01:58 +0000 |
commit | 3bcf9fb53e4b9efabb15a3091fddfb68e5b6fbbe (patch) | |
tree | ecf199a6ec42abd624f2c79c8df435f8dd528764 /numeric.c | |
parent | 1e98a25e9fff7e4c9c858f67c9ca7c6b9ee793f8 (diff) |
hash.c: same hash values with Float#hash
* hash.c (rb_any_hash): use same hash values with Float#hash so
that -0.0 and +0.0 will be identical.
[ruby-core:68541] [Bug #10979]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49999 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'numeric.c')
-rw-r--r-- | numeric.c | 8 |
1 files changed, 6 insertions, 2 deletions
@@ -1137,10 +1137,14 @@ flo_eq(VALUE x, VALUE y) static VALUE flo_hash(VALUE num) { - double d; + return rb_dbl_hash(RFLOAT_VALUE(num)); +} + +VALUE +rb_dbl_hash(double d) +{ st_index_t hash; - d = RFLOAT_VALUE(num); /* normalize -0.0 to 0.0 */ if (d == 0.0) d = 0.0; hash = rb_memhash(&d, sizeof(d)); |