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authornobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2015-03-18 03:01:58 (GMT)
committernobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2015-03-18 03:01:58 (GMT)
commit3bcf9fb53e4b9efabb15a3091fddfb68e5b6fbbe (patch)
treeecf199a6ec42abd624f2c79c8df435f8dd528764 /hash.c
parent1e98a25e9fff7e4c9c858f67c9ca7c6b9ee793f8 (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 'hash.c')
-rw-r--r--hash.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/hash.c b/hash.c
index 6ab27e8..463c7c8 100644
--- a/hash.c
+++ b/hash.c
@@ -142,13 +142,16 @@ rb_any_hash(VALUE a)
}
else if (FLONUM_P(a)) {
/* prevent pathological behavior: [Bug #10761] */
- a = (st_index_t)rb_float_value(a);
+ return rb_dbl_hash(rb_float_value(a));
}
hnum = rb_objid_hash((st_index_t)a);
}
else if (BUILTIN_TYPE(a) == T_STRING) {
hnum = rb_str_hash(a);
}
+ else if (BUILTIN_TYPE(a) == T_FLOAT) {
+ return rb_dbl_hash(rb_float_value(a));
+ }
else {
hval = rb_hash(a);
hnum = FIX2LONG(hval);