Known Bugs: Difference between revisions

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* The October 2007 and the November 2007 versions do not evaluate DATA_RANGE= in the CORRECT step. The August 2007 version, and versions since December 2007 do.
* The October 2007 and the November 2007 versions do not evaluate DATA_RANGE= in the CORRECT step. The August 2007 version, and versions since December 2007 do.
* The June and July 2008 versions of "xds_par" under Linux suffer from a compiler bug in the CORRECT step: the correlation coefficient against a reference data set is always 0.00, and therefore sometimes the wrong decision is made concerning re-indexing of the data. Example taken from CORRECT.LP produced with xds_par:
* The June and July 2008 versions of "xds_par" under Linux suffer from a bug in the CORRECT step: the correlation coefficient against a reference data set is always 0.00, and therefore sometimes the wrong decision is made concerning re-indexing of the data. Example taken from CORRECT.LP produced with xds_par:
  CORRELATION  NPAIR  Rmeas  COMPARED  ESD      REINDEX TRANSFORMATION
  CORRELATION  NPAIR  Rmeas  COMPARED  ESD      REINDEX TRANSFORMATION
   
   
Line 9: Line 9:
   
   
   *  0.89    5960  25.1  53803    1.65  1  0  0  0  0  1  0  0  0  0  1  0
   *  0.89    5960  25.1  53803    1.65  1  0  0  0  0  1  0  0  0  0  1  0
       0.06    5960  25.1  53803    1.65  1  1  0  0 -1  0  0  0  0  0  1  
       0.06    5960  25.1  53803    1.65  1  1  0  0 -1  0  0  0  0  0  1 0
The workaround is to use the single-processor version ("xds") instead.
The problem is fixed in XDS versions starting September 2008.

Revision as of 12:06, 10 September 2008

  • The October 2007 and the November 2007 versions do not evaluate DATA_RANGE= in the CORRECT step. The August 2007 version, and versions since December 2007 do.
  • The June and July 2008 versions of "xds_par" under Linux suffer from a bug in the CORRECT step: the correlation coefficient against a reference data set is always 0.00, and therefore sometimes the wrong decision is made concerning re-indexing of the data. Example taken from CORRECT.LP produced with xds_par:
CORRELATION  NPAIR  Rmeas  COMPARED  ESD       REINDEX TRANSFORMATION

     0.00211818312   25.1   53803    1.65  1  0  0  0  0  1  0  0  0  0  1  0
 *   0.00260052808   25.1   53803    1.65  1  1  0  0 -1  0  0  0  0  0  1  0

whereas xds produces the correct output: 

CORRELATION  NPAIR  Rmeas  COMPARED  ESD       REINDEX TRANSFORMATION

 *   0.89     5960   25.1   53803    1.65  1  0  0  0  0  1  0  0  0  0  1  0
     0.06     5960   25.1   53803    1.65  1  1  0  0 -1  0  0  0  0  0  1  0

The problem is fixed in XDS versions starting September 2008.

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