bug0092 :: xLAED6 avoid div by zero

  • CORRECTED

  • Present in LAPACK 3.4.0

  • bug report by Mict Pont (NAG).

  • In the 40 loop - when DSCALE(I)=TAU you get a divide by zero (rare in practice). This can cause some compilers to immediately stop, e.g. the Sun compiler.

  • Sent directly yo Julie

  • corrected by Julie on Apr 18 2012

bug0091 :: xLANHF div by zero

  • CORRECTED- see svn 1254, 1255

  • Present in LAPACK 3.4.0

  • bug report by Ake Sandgren, Umea University and HPC2N, on 10-22-2011.

  • See LAPACK Mailing list msg 01195

  • corrected by Rodney on Apr 11 2012

bug0090 :: xGGEV and xGGEVX: Need to unscale if necessary when there is an error in DHGEQZ (QZ iteration failed)

  • CORRECTED - see svn 1231

  • Present in LAPACK 3.4.0

  • bug report by Hong Bo Peng, on 03-19-2012.

  • See LAPACK Mailing list msg 01257

  • corrected by Julie on Mar 20 2012

bug0089 :: unused external declarations

  • CORRECTED - see svn 1091

  • Present in LAPACK 3.4.0

  • bug report by Ake Sandgren, Umea University and HPC2N, on 11-16-2011.

  • See LAPACK Mailing list msg 01176

bug0088 :: Uninitialized variable bug in ZHERFSX

  • CORRECTED- see svn 1262, 1263

  • Present in LAPACK 3.4.0

  • bug report by Mick Pont from NAG on Sat, 30 Nov 2011

  • See forum topic 2893

  • corrected by Julie on April 11 2012

bug0087 :: Wrong call name for XBLAS xLA_RPVGRW, needs to be xLA_GERPVGRW

  • CORRECTED - see svn 1128

  • Present in LAPACK 3.4.0

  • bug detected and corrected by Julie

bug0086 :: ILAxLR:commit r1006 reverts the change made in commit r977

bug0085 :: xGESVD Problem in Workspace computation

  • CORRECTED - see svn 1207

  • Present in LAPACK 3.4.0

  • bug report by Marco on Nov 18th 2011

  • See forum topic 2861

  • Problem in Workspace computation

  • corrected by Julie on Jan 6 2012

bug0028 :: failure of convergence of DHGEQZ for some specific matrix pencils

  • CORRECTED

  • reported by Vasile Sima on Thu Jan 22 2009

  • see: email from Vasile

  • more information at: see lapack known issues

  • related to bug0026 below

  • Confirmed by Rodney on Tue, 08 Feb 2011

  • committed by Rodney on Tue Apr 17 2012

bug0026 :: problem when playing with DGEEV and gfortran optimization flags