GNU Scientific Library - Bugs: bug #28500, overflow in gsl_ran_fdist_pdf
You are not allowed to post comments on this tracker with your current authentication level.
bug #28500: overflow in gsl_ran_fdist_pdf
Submitter: | -Deleted Account- <bjg> | ||
Submitted: | Wed 06 Jan 2010 05:55:17 PM UTC | ||
Category: | Runtime error | Severity: | 3 - Normal |
Operating System: | Status: | Fixed | |
Assigned to: | None | Open/Closed: | Closed |
Release: | 1.13 |
Wed 24 Feb 2010 07:52:38 PM UTC, comment #2: |
-Deleted Account- <bjg> |
Wed 06 Jan 2010 05:55:56 PM UTC, comment #1: There is a product of terms exp(A)*B*C where the exponential overflows. It needs to be rewritten as exp(A+log(B)+log(C)) when there is a danger of overflow.
|
-Deleted Account- <bjg> |
Wed 06 Jan 2010 05:55:17 PM UTC, original submission:
From: Gunjan Verma <gunjan.verma@gmail.com>
|
-Deleted Account- <bjg> |
No files currently attached
Depends on the following items: None found
Items that depend on this one: None found
Follow 3 latest changes.
Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|
2010-02-24 | bjg | Status | Confirmed | Fixed | |
Open/Closed | Open | Closed | |||
2010-01-06 | bjg | Carbon-Copy | - | Added -email is unavailable- |
Powered by Savane 3.13-f8d8.
Corresponding source code
fixed by commit 87c4d916076889709158ff189db1ec0d80211e78
compute logarithm of pdf to avoid underflow/overflow
fixes bug #28500: overflow in gsl_ran_fdist_pdf
added test case