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| author | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-07-13 13:51:49 +0000 |
|---|---|---|
| committer | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-07-13 13:51:49 +0000 |
| commit | 7287b852da95b3bee1395fd80752e62b686da294 () | |
| tree | f22c154e749662d907df5b6fdb98e3208b8528e0 /lib/prime.rb | |
| parent | 0fefd1902329f72434e859bd77a7ea5a114c00ff (diff) | |
* lib/prime.rb (Prime#prime_division): now decomposes
negative integer into a decomposition with element [-1, 1]. * test/test_prime.rb: test for it. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24091 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
| -rw-r--r-- | lib/prime.rb | 7 |
1 files changed, 6 insertions, 1 deletions
@@ -194,7 +194,12 @@ class Prime # def prime_division(value, generator= Prime::Generator23.new) raise ZeroDivisionError if value == 0 - pv = [] for prime in generator count = 0 while (value1, mod = value.divmod(prime) |