[#MATH-267] Need a digamma function

Commons Math

Need a digamma function

Created: 23/May/09 11:40 PM Updated: 07/Aug/09 09:15 AM

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Component/s:

None

Affects Version/s:

None

Fix Version/s:

2.0

Time Tracking:

Not Specified

File Attachments:

File Name	Date Attached	Attached By	Size
Adds_digamma_function.patch	2009-05-24 04:37 AM	Ted Dunning	5 kB
Adds_trigamma_function,_improves_comments.patch	2009-05-24 06:39 AM	Ted Dunning	6 kB
digamma.tgz	2009-05-23 11:41 PM	Ted Dunning	12 kB

Resolution Date:

25/May/09 01:22 PM

Description

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A mahout summer of code student needed a digamma function with Apache permissions so I wrote one. It includes test cases, correct copyright and seems to work well. I don't know where in commons math this would go so I figured I would post this and ask for advice.

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Ted Dunning made changes - 23/May/09 11:41 PM

Field	Original Value	New Value
Attachment		digamma.tgz [ 12408892 ]

Ted Dunning made changes - 24/May/09 04:37 AM

Attachment

Adds_digamma_function.patch [ 12408900 ]

Phil Steitz made changes - 24/May/09 06:05 AM

Resolution		Fixed [ 1 ]
Fix Version/s		2.0 [ 12312686 ]
Status	Open [ 1 ]	Resolved [ 5 ]

Ted Dunning made changes - 24/May/09 06:37 AM

Status	Resolved [ 5 ]	Reopened [ 4 ]
Resolution	Fixed [ 1 ]

Ted Dunning made changes - 24/May/09 06:39 AM

Attachment

Adds_trigamma_function,_improves_comments.patch [ 12408901 ]

Phil Steitz made changes - 25/May/09 01:22 PM

Resolution		Fixed [ 1 ]
Status	Reopened [ 4 ]	Resolved [ 5 ]

Luc Maisonobe made changes - 07/Aug/09 09:15 AM

Status

Resolved [ 5 ]

Closed [ 6 ]