bug0100 :: [S,D]gesdd correct minimum LWORK size

  • CORRECTED

  • Present in LAPACK 3.4.1

  • bug report by Tim Wentz (CRAY) on August 23 2012

  • Email sent directly to Julie

  • correct LWORK size bug for the case JOBZ=A and M >> N (which corresponds to path 4 in the code)

  • the minimum LWORK size in this case had incorrectly used N as the length of LWORK to the DORGQR call, when it should have been M

  • Corrected by Rodney on August 23rd in rev 1329

bug0099 :: [S,D]sgesvj array SVA(N2=0) can be out of the array boundary

  • CORRECTED

  • Present in LAPACK 3.4.1

  • bug report by Shandong Lao (ORACLE) on August 20 2012

  • Email sent directly to Julie

  • Corrected by Rodney on August 21st in rev 1327

bug0098 :: DSYEV may return non-orthogonal eigenvectors

  • CORRECTED

  • Present in LAPACK 3.4.1

  • bug report by Duncan Po (Mathworks) on August 15 2012

  • See forum topic 3597

  • Corrected by Rodney on August 16 2012 in rev 1319

bug0097 :: [S,D]LASQ3 could cause NaNs appearance in ?GESVD and ?GESDD

  • CORRECTED

  • Present in LAPACK 3.4.1

  • bug report by Alexander Kobotov (INTEL) on June 28 2012

  • See forum topic 3455

  • Corrected by Rodney on rev

bug0096 :: ?STEMR sorting is not done for N=2.

  • CORRECTED

  • Present in LAPACK 3.4.1

  • bug report by Joseph Young (SANDIA) on June 26 2012

  • bug report sent to lapack mailing list

  • corrected by Julie on July 3 2012 in rev 1307

bug0095 :: [S,D]LASQ3 could cause NaNs appearance in ?GESVD and ?GESDD

  • CORRECTED

  • Present in LAPACK 3.4.1

  • bug report by Alexander Kobotov (INTEL) on June 29 2012

  • Added fix to prevent dividing by T when T=0 .

  • See forum topic 3455

  • corrected by Rodney on June 29 2012 in rev 1304

bug0094 :: [S,D]SYEVR and [C,Z]SYEVR routine - workspace indices problem

  • CORRECTED

  • Present in LAPACK 3.4.1

  • bug report by Keita Teranishi (CRAY) on May 18 2012

  • INDIWO should be INDIFL+N. Otherwise, subsequent {S,D}STEIN call takes the same address for IWORK(INDIWO) and INWROK(INDIFL).

  • Sent to LAPACK team

  • corrected by Julie on May 21 2012 in rev 1302

bug0093 :: LAPACKE - LAPACKE_xlange routine - workspace problem

  • CORRECTED

  • Present in LAPACK 3.4.1

  • bug report by Mathieu (PLASMA)

  • Was allocating workspace for Frobenius norm, but not inf norm - This is wrong, only the inf norm needs a workspace.

  • Sent directly yo Julie

  • corrected by Julie on May 11 2012 in rev 1299

bug0020 :: in xGESDD, workspace query can overflow for large matrices

  • CLOSED

  • reported by Stephan Ripke (Broad Institute, Boston) on Thu May 21 2009

  • confirmed by Julien Langou on Thu May 21 2009

  • see forum topic 1418

  • This is a standard 32-bit integer overflow issue. This can be addressed by recompiling the whole LAPACK library with 64-bit integers.