0000670: FIXED: some statistical functions are prone to integer overflow

Viewing Issue Advanced Details [ Jump to Notes ]

[ View Simple ] [ Issue History ] [ Print ]

Category

Severity

Reproducibility

Date Submitted

Last Update

0000670

[ALGLIB] Spec.functions

minor

have not tried

2016-04-07 13:22

2016-12-23 13:41

Reporter

SergeyB

View Status

public

Assigned To

SergeyB

Priority

normal

Resolution

fixed

Platform

Status

resolved

Projection

none

OS Version

ETA

none

Fixed in Version

3.11.0

Product Version

Target Version

3.11.0

Product Build

Summary

0000670: FIXED: some statistical functions are prone to integer overflow

Description

Running statistical test (t-test, MWU, WSR) with both samples larger than 32768 resulted in 32-bit overflow. Reproducible in ALGLIB for C#, in 32-bit ALGLIB for C++.

Initial report by Jury Gasnikov mentions unequalvariancettest, but several other functions were affected too.

Steps To Reproduce

Additional Information

Programming language

Unspecified

Attached Files

Relationships

There are no notes attached to this issue.

Issue History
Date Modified	Username	Field	Change
2016-04-07 13:22	SergeyB	New Issue
2016-04-07 13:22	SergeyB	Status	new => assigned
2016-04-07 13:22	SergeyB	Assigned To	=> SergeyB
2016-04-07 13:22	SergeyB	Programming language	=> Unspecified
2016-12-23 13:41	SergeyB	Summary	Some statistical functions are prone to integer overflow => FIXED: some statistical functions are prone to integer overflow
2016-12-23 13:41	SergeyB	Description Updated
2016-12-23 13:41	SergeyB	Status	assigned => resolved
2016-12-23 13:41	SergeyB	Fixed in Version	=> 3.11.0
2016-12-23 13:41	SergeyB	Resolution	open => fixed

Mantis 1.1.6[^]