[Insight-users] vnl_svd suspicious return value error
Sandhitsu Das
sudas at seas.upenn.edu
Thu Apr 26 13:13:08 EDT 2007
While executing the following code segment
this->m_RefinedLatticeCoefficients[i] = ( vnl_svd<RealType>
( R ).solve( C ) ).extract( 2, C.cols() );
I get the following runtime error:
/InsightToolkit-2.8.1/Utilities/vxl/core/vnl/algo/vnl_svd.txx:
suspicious return value (4) from SVDC
/InsightToolkit-2.8.1/Utilities/vxl/core/vnl/algo/vnl_svd.txx: M is 4x4
M = [ ...
0.1666666666667 0.6666666666667 0.1666666666667 0
-1.0000000000000 0 1.0000000000000 0
2.0000000000000 -4.0000000000000 2.0000000000000 0
-1.3333333333333 4.0000000000000 -4.0000000000000 1.3333333333333 ]
This happens on a variety of linux systems (P4, Xeon, Opteron), but
not on Mac OS X. RealType is double. Is there a fix for this other
than digging dip into netlib code and changing things as suggested in
vnl_svd.txx ?
Thanks for any help,
Sandy
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