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* finally, the good approach was two-sided Jacobi. Indeed, it allowsGravatar Benoit Jacob2009-08-12
| | | | | | | | | | to guarantee the precision of the output, which is very valuable. Here, we guarantee that the diagonal matrix returned by the SVD is actually diagonal, to machine precision. Performance isn't bad at all at 50% of the current householder SVD performance for a 200x200 matrix (no vectorization) and we have lots of room for improvement.
* add EIGEN_DEBUG_VARGravatar Benoit Jacob2009-08-11
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* overload operartor* with a ProductBase such that "scalar * (mat * mat)" is ↵Gravatar Gael Guennebaud2009-08-11
| | | | | | optimized as one could naturally expect
* fix issue #36 (missing return *this in Rotation2DGravatar Gael Guennebaud2009-08-11
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* remove #include Bidiagonalization, and add missing ";"Gravatar Gael Guennebaud2009-08-11
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* mergeGravatar Gael Guennebaud2009-08-09
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* | make custom asm directive volatileGravatar Gael Guennebaud2009-08-09
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| * LinearVectorization: If the destination isn't aligned,Gravatar Benoit Jacob2009-08-09
| | | | | | | | we have to do runtime checks and we don't unroll, so it's only good for large enough sizes
| * now you can #define EIGEN_DEBUG_ASSIGN, and all the values in ↵Gravatar Benoit Jacob2009-08-09
| | | | | | | | ei_assign_traits are printed
| * disable the assembly for fast unaligned stores. indeed, there is a strange ↵Gravatar Benoit Jacob2009-08-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | bug that is triggered by this code: #include<Eigen/Core> int main() { Eigen::Matrix4f m; m <<1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16; m.col(0).swap(m.col(1)); std::cout << m << std::endl; } when the fast unaligned stores are used, the column is copied instead of being swapped.
| * don't depend on uninitialized valueGravatar Benoit Jacob2009-08-09
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| * * add Jacobi transformationsGravatar Benoit Jacob2009-08-09
| | | | | | | | | | * add Jacobi (Hestenes) SVD decomposition for square matrices * add function for trivial Householder
* | make LU::solve() not to crash when rank=0Gravatar Gael Guennebaud2009-08-09
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| * fix bug in sorting of singular valuesGravatar Benoit Jacob2009-08-09
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* add basic .hgignore file for most common generated/temporary filesGravatar Thomas Capricelli2009-08-08
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* replace custom rank one update in LU by an expressionGravatar Gael Guennebaud2009-08-08
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* * implement a second level of micro blocking (faster for small sizes)Gravatar Gael Guennebaud2009-08-07
| | | | * workaround GCC bad implementation of _mm_set1_p*
* Fix compilation in sparse moduleGravatar Gael Guennebaud2009-08-06
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* fix determinant in PartialLUGravatar Gael Guennebaud2009-08-06
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* oops, one more bug fix in homogeneousGravatar Gael Guennebaud2009-08-06
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* fixes in determinant and homogeneousGravatar Gael Guennebaud2009-08-06
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* compilation fix in EigenSolver,Gravatar Gael Guennebaud2009-08-06
| | | | bugfix in PartialLU
* typoGravatar Gael Guennebaud2009-08-06
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* fix VS compilation issue in MapBase::operator+= and -=Gravatar Gael Guennebaud2009-08-06
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* shame on meGravatar Gael Guennebaud2009-08-06
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* fix my bad fix of Hauke's fix ;)Gravatar Gael Guennebaud2009-08-06
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* fix a couple of compilations issuesGravatar Gael Guennebaud2009-08-06
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* fixed inversion for AffineCompact matricesGravatar Hauke Heibel2009-08-06
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* more product refactoringGravatar Gael Guennebaud2009-08-06
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* fix vs.net compilation issueGravatar Hauke Heibel2009-08-06
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* fix vs.net compilation issueGravatar Hauke Heibel2009-08-06
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* fix compilation and segfault issuesGravatar Gael Guennebaud2009-08-06
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* add the missing Affine Transform * set of column vectors products...Gravatar Gael Guennebaud2009-08-06
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* remove remnant of MultiplierBaseGravatar Benoit Jacob2009-08-06
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* implement the missing outer product,Gravatar Gael Guennebaud2009-08-05
| | | | and attempt to workaround a gcc internal error
* big refactoring in Product.h:Gravatar Gael Guennebaud2009-08-05
| | | | | | | | - all specialized products now inherits ProductBase - the default product evaluated by Assign is still here, but it is currently enabled for small fixed sizes only - => this significantly speed up compilation for large matrices - I left the OuterProduct specialization empty as an exercise...
* fix assertions, improve docs.Gravatar Benoit Jacob2009-08-05
| | | | | we never assert on conditions that depend on the result of a computation!! also the assertion that rank>0 amounts to matrix!=0 which we have to leave under the responsibility of the user.
* mergeGravatar Benoit Jacob2009-08-04
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* \ mergeGravatar Gael Guennebaud2009-08-04
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| * | remove the FORCEGravatar Benoit Jacob2009-08-04
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| | * implement a ProductBase class and, as a proof of concept, update ↵Gravatar Gael Guennebaud2009-08-04
| | | | | | | | | | | | | | | | | | TriangularProduct and SelfAdjointMatrixProduct to take advantage of it => fewer LOC
| | * fix a couple of compilation issue due to the removal of MultiplierBaseGravatar Gael Guennebaud2009-08-04
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* | mergeGravatar Gael Guennebaud2009-08-04
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* | add ger and lu with partial pivoting in BTLGravatar Gael Guennebaud2009-08-04
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* | implement two levels of blocking in PartialLU => high speedupGravatar Gael Guennebaud2009-08-04
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| * use explicit Block/VectorBlock xprs to make sure that compile-time known ↵Gravatar Benoit Jacob2009-08-04
| | | | | | | | sizes are used
| * make the dot product linear in the second variable, not the first variableGravatar Benoit Jacob2009-08-03
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* merge with special_matrix branchGravatar Gael Guennebaud2009-08-03
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* \ mergeGravatar Gael Guennebaud2009-08-03
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| * | add new Householder moduleGravatar Benoit Jacob2009-08-03
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