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* numeric.c (flo_hash): improve collision. fixed: [ruby-dev:29352]

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@10864 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu 2006-09-04 20:57:02 +00:00
parent 401ff253ef
commit dfac39ff8d
2 changed files with 5 additions and 1 deletions
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ChangeLog
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@ -1,3 +1,7 @@
Tue Sep 5 05:56:51 2006 Nobuyoshi Nakada <nobu@ruby-lang.org>
* numeric.c (flo_hash): improve collision. fixed: [ruby-dev:29352]
Tue Sep 5 05:49:41 2006 Nobuyoshi Nakada <nobu@ruby-lang.org>
* file.c (path_check_0): check if sticky bit is set on parent

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numeric.c
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@ -870,7 +870,7 @@ flo_hash(num)
if (d == 0) d = fabs(d);
c = (char*)&d;
for (hash=0, i=0; i<sizeof(double);i++) {
hash += c[i] * 971;
hash = (hash * 971) ^ (unsigned char)c[i];
}
if (hash < 0) hash = -hash;
return INT2FIX(hash);