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=============================================
Errata in LAPACK Users' Guide, Third Edition
=============================================
VERSION 3.0 : June 30, 1999
UPDATED: May 7, 2001
page
----
99: Removal of IWORK from calling sequence of SGGGLM
202: Correction to an author's name in LAWN 138:
J. Wa --> J. Wasniewski
208: Specification for SBDSDC:
Correction to the size of WORK array when COMPQ='I':
The line:
IF COMPQ = 'I' then LWORK >= 3*N^2 + 2*N.
should be replaced by:
IF COMPQ = 'I' then LWORK >= 3*N^2 + 4*N.
Correction to the size of IWORK array:
The line:
IWORK (workspace) INTEGER array, dimension (7*N)
should be replaced by:
IWORK (workspace) INTEGER array, dimension (8*N)
209: Documentation improvement for SBDSQR/CBDSQR.
Refer to "bug fixes" in this release_notes.html
file for new documentation.
230: Specification for SGELSD/CGELSD:
Correction to the description of argument A.
A (input) REAL array, dimension (LDA,N)
On entry, the M-by-N matrix A.
On exit, A has been destroyed.
Correction to the description of argument LWORK.
(SGELSD only)
If M>=N, LWORK >= 12*N + 2*N*SMLSIZ + 8*N*NLVL + N*NRHS + (SMLSIZ+1)**2.
If M<N, LWORK >= 12*M + 2*M*SMLSIZ + 8*M*NLVL + M*NRHS + (SMLSIZ+1)**2.
(CGELSD only)
If M>=N, LWORK >= 2*N + N*NRHS.
If M<N, LWORK >= 2*M + M*NRHS.
Description of argument RWORK is missing. It should be:
RWORK (workspace) (CGELSD only} REAL array, dimension (LRWORK)
If M>=N, LRWORK >= 10*N + 2*N*SMLSIZ + 8*N*NLVL +
3*SMLSIZ*NRHS + (SMLSIZ+1)**2.
If M<N, LRWORK >= 10*M + 2*M*SMLSIZ + 8*M*NLVL +
3*SMLSIZ*NRHS + (SMLSIZ+1)**2.
SMLSIZ is returned by ILAENV and is equal to the maximum
size of the subproblems at the bottom of the computation
tree (usually about 25), and
NLVL = MAX( 0, INT( LOG_2( MIN( M,N )/(SMLSIZ+1) ) ) + 1 )
237: Specification for SGESDD/CGESDD:
Correction to the description of argument LWORK for SGESDD.
SGESDD
If JOBZ = 'N', LWORK >= 3*min(M,N) + max(max(M,N),6*min(M,N)).
If JOBZ = 'O', LWORK >= 3*min(M,N)*min(M,N) +
max(max(M,N),5*min(M,N)*min(M,N)+4*min(M,N)).
If JOBZ = 'S' or 'A', LWORK >= 3*min(M,N)*min(M,N) +
max(max(M,N),4*min(M,N)*min(M,N)+4*min(M,N)).
254: Documentation improvement for SGGHRD/CGGHRD.
Refer to "bug fixes" in this release_notes.html
file for new documentation.
266-268: Documentation improvement for SHGEQZ/CHGEQZ.
Refer to "bug fixes" in this release_notes.html
file for new documentation.
338: Specification for SSTEVR:
Correction to the description of RANGE:
For RANGE = 'V' or 'I' and IU - IL < N - 1, SSTEBZ and
SSTEIN are called.
Correction to the description of ISUPPZ, where the following
text should be added:
Implemented only for RANGE = 'A' or 'I' and IU - IL = N - 1.
343: Specification for SSYEVR/CHEEVR:
Correction to the description of RANGE:
For RANGE = 'V' or 'I' and IU - IL < N - 1, SSTEBZ and
SSTEIN/CSTEIN are called.
Correction to the description of ISUPPZ, where the following
text should be added:
Implemented only for RANGE = 'A' or 'I' and IU - IL = N - 1.
359-360: Documentation improvement for STGEVC/CTGEVC.
Refer to "bug fixes" in this release_notes.html
file for new documentation.
373-374: Documentation improvement for STREVC/CTREVC.
Refer to "bug fixes" in this release_notes.html
file for new documentation.
377: Specification for STRSEN/CTRSEN:
Correction to the description of WORK:
On exit, if INFO=0, WORK(1) returns the optimal LWORK.
Added missing LWORK=-1 text to LWORK description:
If LWORK = -1, then a workspace query is assumed; the routine
only calculates the optimal size of the WORK array, returns
this value as the first entry of the WORK array, and no error
message related to LWORK is issued by XERBLA.
Correction to the description of IWORK:
On exit, if INFO=0, IWORK(1) returns the optimal LIWORK.
Added missing LIWORK=-1 text to LIWORK description:
If LIWORK = -1, then a workspace query is assumed; the routine
only calculates the optimal size of the IWORK array, returns
this value as the first entry of the IWORK array, and no error
message related to LIWORK is issued by XERBLA.
***********************************************************************
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