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2c247fc8a8
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10 Commits

Author SHA1 Message Date
Hauke Heibel
2c247fc8a8 LU and PartialLU decomposition interface unification. 
Added default ctor and public compute method as well
as safe-guards against uninitialized usage.
Added unit tests for the safe-guards.
 2009-05-22 14:27:58 +02:00
Hauke Heibel
6358c12998 * introduced method createRandomMatrixOfRank (R = U*D*V where U,V unitary, D r-by-c diag. with rank non-zero values) 
* switched lu/qr tests to be using createRandomMatrixOfRank
* removed unused methods doSomeRankPreservingOperations
* removed NOTE about doSomeRankPreservingOperations
 2009-05-17 16:07:12 +02:00
Benoit Jacob
9e3c73110a fix a bunch of warnings (actual issues) reported by Frank 2009-01-22 00:09:34 +00:00
Benoit Jacob
294682a25a lu test:don't fail 2009-01-20 19:06:39 +00:00
Benoit Jacob
c22d10f94c LU class: 
* add image() and computeImage() methods, with unit test
* fix a mistake in the definition of KernelResultType
* fix and improve comments
 2008-12-17 16:47:55 +00:00
Benoit Jacob
00f89a8f37 Update e-mail address 2008-11-24 13:40:43 +00:00
Benoit Jacob
46fe7a3d9e if EIGEN_NICE_RANDOM is defined, the random functions will return numbers with 
few bits left of the comma and for floating-point types will never return zero.
This replaces the custom functions in test/main.h, so one does not anymore need
to think about that when writing tests.
 2008-09-01 17:31:21 +00:00
Gael Guennebaud
2120fed849 * bug fixes in: Dot, generalized eigen problem, singular matrix detetection in Cholesky 
* fix all numerical instabilies in the unit tests, now all tests can be run 2000 times
  with almost zero failures.
 2008-08-23 15:14:20 +00:00
Gael Guennebaud
f0394edfa7 * bugfix in SolveTriangular found by Timothy Hunter (did not compiled for very small fixed size matrices) 
* bugfix in Dot unroller
* added special random generator for the unit tests and reduced the tolerance threshold by an order of magnitude
  this fixes issues with sum.cpp but other tests still failed sometimes, this have to be carefully checked...
 2008-08-22 17:48:36 +00:00
Benoit Jacob
d6e88f8155 * add LU unit-test. Seems like we have very good numerical stability! 
* some cleanup, and grant me a copyright line on the determinant test.
 2008-08-09 19:26:14 +00:00