[Bug 1468965] [NEW] sdsdot is buggy in LTS 12

[Carter Schonwald]

Public bug reported:

the sdsdot function in CBLAS  in ubuntu lts 12  precise (and perhaps in
newer ubuntu versions) is buggy

I am mentoring a google summer of code student who's contributing to my haskell blas and lapack binding, and in the course of writing basic unit tests the student has noticed this bug in two different linux distros! 
https://github.com/wellposed/hblas/pull/34

the students full report for Arch can be found here
https://bugs.archlinux.org/task/45325

it seems ubuntu distros have the same bug

** Affects: blas (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1468965

Title:
  sdsdot is buggy in LTS 12

Status in blas package in Ubuntu:
  New

Bug description:
  the sdsdot function in CBLAS  in ubuntu lts 12  precise (and perhaps
  in newer ubuntu versions) is buggy

  I am mentoring a google summer of code student who's contributing to my haskell blas and lapack binding, and in the course of writing basic unit tests the student has noticed this bug in two different linux distros! 
  https://github.com/wellposed/hblas/pull/34

  the students full report for Arch can be found here
  https://bugs.archlinux.org/task/45325

  it seems ubuntu distros have the same bug

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