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* bignum.c (bitlength_bdigit): Fix an off-by-one error.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41060 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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akr 2013-06-04 09:42:25 +00:00
parent 5c11384416
commit d893082841
2 changed files with 5 additions and 1 deletions
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ChangeLog
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@ -1,3 +1,7 @@
Tue Jun 4 18:41:47 2013 Tanaka Akira <akr@fsij.org>
* bignum.c (bitlength_bdigit): Fix an off-by-one error.
Tue Jun 4 15:30:00 2013 Kenta Murata <mrkn@cookpad.com>
* ext/bigdecimal/lib/bigdecimal/util.rb (Float#to_d): fix the number

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bignum.c
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@ -3193,7 +3193,7 @@ bitlength_bdigit(BDIGIT v)
v++;
if (v == 0)
return SIZEOF_BDIGITS*CHAR_BIT;
return ffs(v); /* assumption: sizeof(BDIGIT) <= sizeof(int) */
return ffs(v)-1; /* assumption: sizeof(BDIGIT) <= sizeof(int) */
}
/*