EqualsBuilder synchronizes on HashCodeBuilder
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Key: LANG-685
URL: https://issues.apache.org/jira/browse/LANG-685
Project: Commons Lang
Issue Type: Bug
Components: lang.builder.*
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https://issues.apache.org/jira/browse/LANG-663?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12976662#action_12976662
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Christian Semrau commented on LANG-663:
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I favor having only one Fraction class,
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https://issues.apache.org/jira/browse/LANG-663?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12976735#action_12976735
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Christian Semrau commented on LANG-663:
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Oh, and seeing that method Fraction.addSub
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Christian Semrau commented on LANG-662:
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The commons-math version does not have this
org.apache.commons.lang3.math.Fraction does not reduce (Integer.MIN_VALUE, 2^k)
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Key: LANG-662
URL: https://issues.apache.org/jira/browse/LANG-662
Project: Commons Lang
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https://issues.apache.org/jira/browse/LANG-662?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12968469#action_12968469
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Christian Semrau commented on LANG-662:
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The current implementation:
org.apache.commons.lang3.math.Fraction does not always succeed in multiplyBy
and divideBy
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Key: LANG-663
URL: https://issues.apache.org/jira/browse/LANG-663
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https://issues.apache.org/jira/browse/LANG-663?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12968478#action_12968478
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Christian Semrau commented on LANG-663:
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These methods fail to reduce their arguments.
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Christian Semrau commented on LANG-663:
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Even if both arguments are reduced, if the
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https://issues.apache.org/jira/browse/MATH-239?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Christian Semrau updated MATH-239:
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Attachment: gcdForLong.txt
The long versions of gcd and lcm are adapted copies of the int
Multiplying sparse matrices is slow
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Key: MATH-248
URL: https://issues.apache.org/jira/browse/MATH-248
Project: Commons Math
Issue Type: Improvement
Reporter: Christian Semrau
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https://issues.apache.org/jira/browse/MATH-248?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12675698#action_12675698
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Christian Semrau commented on MATH-248:
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According to my little tests, walking in
MathUtils.gcd(Integer.MIN_VALUE, 0) should throw an Exception instead of
returning Integer.MIN_VALUE
Key: MATH-243
URL:
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https://issues.apache.org/jira/browse/MATH-242?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12665979#action_12665979
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Christian Semrau commented on MATH-242:
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Opened another issue: MATH-243
Missing tests
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https://issues.apache.org/jira/browse/MATH-243?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Christian Semrau updated MATH-243:
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Attachment: gcdPatch.txt
Attached is a patch for gcd, and also for lcm, which failed for some
Missing tests in MathUtilsTest
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Key: MATH-242
URL: https://issues.apache.org/jira/browse/MATH-242
Project: Commons Math
Issue Type: Test
Affects Versions: 2.0
Reporter: Christian Semrau
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https://issues.apache.org/jira/browse/MATH-242?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12665583#action_12665583
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Christian Semrau commented on MATH-242:
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After thinking a bit longer, I think the gcd
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https://issues.apache.org/jira/browse/MATH-241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12665253#action_12665253
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Christian Semrau commented on MATH-241:
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I think the recursive computation of Pascal's
MathUtils.gcd(u, v) fails when u and v both contain a high power of 2
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Key: MATH-238
URL: https://issues.apache.org/jira/browse/MATH-238
Project: Commons Math
Issue Type:
Add gcd and lcm for long values in MathUtils
Key: MATH-239
URL: https://issues.apache.org/jira/browse/MATH-239
Project: Commons Math
Issue Type: New Feature
Reporter: Christian Semrau
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https://issues.apache.org/jira/browse/MATH-240?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Christian Semrau updated MATH-240:
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Description:
The result of MathUtils.factorial( n ) for n = 17...20 is wrong, probably
because
MathUtils.factorial(n) fails for n = 17
Key: MATH-240
URL: https://issues.apache.org/jira/browse/MATH-240
Project: Commons Math
Issue Type: Bug
Affects Versions: 2.0
Reporter:
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https://issues.apache.org/jira/browse/MATH-240?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Christian Semrau updated MATH-240:
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Description:
The result of MathUtils.factorial( n ) for n = 17, 18, 19 is wrong, probably
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https://issues.apache.org/jira/browse/MATH-241?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Christian Semrau updated MATH-241:
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Description:
Probably due to rounding errors, MathUtils.binomialCoefficient(n,k) fails for
Modifications of a SetUniqueList.subList() invalidate the parent list
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Key: COLLECTIONS-310
URL: https://issues.apache.org/jira/browse/COLLECTIONS-310
Project: Commons Collections
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https://issues.apache.org/jira/browse/COLLECTIONS-310?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12662689#action_12662689
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Christian Semrau commented on COLLECTIONS-310:
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It seems that properties
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https://issues.apache.org/jira/browse/COLLECTIONS-307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12646952#action_12646952
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Christian Semrau commented on COLLECTIONS-307:
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The same problem occurs
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