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106 Commits

Author SHA1 Message Date
Rasmus Munk Larsen
7eaf9ae68d Add a method to SelfAdjointEigenSolver for computing the matrix exponential 2025-10-05 15:06:04 +00:00
Antonio Sánchez
500a3602f0 Use traits<Matrix>::Options instead of Matrix::Options. 2024-02-16 00:11:57 +00:00
Tobias Wood
f38e16c193 Apply clang-format 2023-11-29 11:12:48 +00:00
Antonio Sánchez
6e4d5d4832 Add IWYU private pragmas to internal headers. 2023-08-21 16:25:22 +00:00
Charles Schlosser
cb8e6d4975 Fix 2240, 2620 2023-03-06 23:11:06 +00:00
Erik Schultheis
d271a7d545 reduce float warnings (comparisons and implicit conversions) 2022-01-26 18:16:19 +00:00
Rasmus Munk Larsen
6cadab6896 Clean up EIGEN_STATIC_ASSERT to only use standard c++11 static_assert. 2021-09-16 20:43:54 +00:00
Rasmus Munk Larsen
d7d0bf832d Issue an error in case of direct inclusion of internal headers. 2021-09-10 19:12:26 +00:00
Rasmus Munk Larsen
a5a7faeb45 Avoid memory allocation in tridiagonalization_inplace_selector::run. 2021-08-06 20:48:10 +00:00
Alexander Karatarakis
4ba872bd75 Avoid leading underscore followed by cap in template identifiers 2021-08-04 22:41:52 +00:00
Antonio Sanchez
fcb5106c6e Scaled epsilon the wrong way. 
Should have been 0.5 to widen the bounds, since this is inverse
precision.  Setting to 0.5, however, leads to many more failing
tests at Google, so reverting to 1 for now.
 2021-04-07 15:08:39 -07:00
Antonio Sanchez
90187a33e1 Fix SelfAdjoingEigenSolver (#2191) 
Adjust the relaxation step to use the condition
```
abs(subdiag[i]) <= epsilon * sqrt(abs(diag[i]) + abs(diag[i+1]))
```
for setting the subdiagonal entry to zero.

Also adjust Wilkinson shift for small `e = subdiag[end-1]` -
I couldn't find a reference for the original, and it was not
consistent with the Wilkinson definition.

Fixes #2191.
 2021-04-05 11:19:09 -07:00
Theo Fletcher
b8502a9dd6 Updated SelfAdjointEigenSolver documentation to include that the eigenvectors matrix is unitary. 2021-03-16 18:48:02 +00:00
David Tellenbach
4091f6b25c Drop EIGEN_USING_STD_MATH in favour of EIGEN_USING_STD 2020-10-09 02:05:05 +02:00
Gael Guennebaud
a7842daef2 Fix several uninitialized member from ctor 2018-11-23 15:10:28 +01:00
Gael Guennebaud
3e8188fc77 bug #1600: initialize m_info to InvalidInput by default, even though m_info is not accessible until it has been initialized (assert) 2018-09-18 21:24:48 +02:00
Deven Desai
f124f07965 applying EIGEN_DECLARE_TEST to *gpu* tests 
Also, a few minor fixes for GPU tests running in HIP mode.

1. Adding an include for hip/hip_runtime.h in the Macros.h file
   For HIP __host__ and __device__ are macros which are defined in hip headers.
   Their definitions need to be included before their use in the file.

2. Fixing the compile failure in TensorContractionGpu introduced by the commit to
   "Fuse computations into the Tensor contractions using output kernel"

3. Fixing a HIP/clang specific compile error by making the struct-member assignment explicit
 2018-07-17 14:16:48 -04:00
Andrea Bocci
f7124b3e46 Extend CUDA support to matrix inversion and selfadjointeigensolver 2018-06-11 18:33:24 +02:00
luz.paz
e3912f5e63 MIsc. source and comment typos 
Found using `codespell` and `grep` from downstream FreeCAD
 2018-03-11 10:01:44 -04:00
Gael Guennebaud
76687f385c bug #1394: fix compilation of SelfAdjointEigenSolver<Matrix>(sparse*sparse); 2017-02-20 14:27:26 +01:00
Gael Guennebaud
ea2e968257 Address several implicit scalar conversions. 2016-08-23 18:44:33 +02:00
Gael Guennebaud
95113cb15c Improve robustness of 2x2 eigenvalue with shifting and scaling 2016-07-26 14:43:54 +02:00
Gael Guennebaud
1b0353c659 Fix misuse of dummy_precesion in eigenvalues solvers 2016-07-23 17:52:31 +02:00
Gael Guennebaud
fe62c06d9b Fix compilation. 2016-06-03 07:47:38 +02:00
Gael Guennebaud
df9a5e13c6 Fix SelfAdjointEigenSolver for some input expression types, and add new regression unit tests for sparse and selfadjointview inputs. 2016-05-19 13:07:33 +02:00
Gael Guennebaud
21d692d054 Use coeff(i,j) instead of operator(). 2016-05-18 17:09:20 +02:00
Gael Guennebaud
8b0d1eb0f7 Fix numerous doxygen shortcomings, and workaround some clang -Wdocumentation warnings 2016-01-01 21:45:06 +01:00
Gael Guennebaud
29bb599e03 Fix numerous doxygen issues in auto-link generation 2015-12-30 16:04:24 +01:00
Gael Guennebaud
f93654ae16 bug #1098: fix regression introduced when generalizing some compute() methods in changeset 7031a851d4 
.
 2015-10-26 16:00:25 +01:00
Christoph Hertzberg
d6f762d955 Fixed cuda code: EIGEN_DEVICE_FUNC must come after template<...> 2015-09-10 11:46:27 +02:00
Christoph Hertzberg
e3f69eb60d Fixed minor regression caused by 7031a851d4 2015-09-08 10:53:10 +02:00
Gael Guennebaud
7031a851d4 Generalize matrix ctor and compute() method of dense decomposition to 1) limit temporaries, 2) forward expressions to nested decompositions, 3) fix ambiguous ctor instanciation for square decomposition 2015-09-07 10:42:04 +02:00
Gael Guennebaud
3b0ad02c10 Remove wrongly pushed debugging statements 2015-07-22 14:33:57 +02:00
Gael Guennebaud
f5aa640862 Clean some previous changes and more cuda fixes 2015-07-15 10:57:55 +02:00
Gael Guennebaud
c911fc8dee split compiler intensive bdcsvd_1 unit test 2015-06-26 16:14:23 +02:00
Gael Guennebaud
82b6ac0864 Enforce eigenvectors to be column-major (for performance reasons) 2015-06-19 11:25:46 +02:00
Gael Guennebaud
cd8b996f99 Extend unit test and documentation of SelfAdjointEigenSolver::computeDirect 2015-06-08 16:16:42 +02:00
Christoph Hertzberg
ebea530782 bug #1014: More stable direct computation of eigenvalues and -vectors for 3x3 matrices 2015-05-17 21:54:32 +02:00
Gael Guennebaud
ef81730625 Ignore denormal numbers in selfadjoint eigensolver. 2015-05-12 18:38:43 +02:00
Gael Guennebaud
4a936974a5 bug #1013: fix 2x2 direct eigensolver for identical eiegnvalues 2015-05-07 15:55:12 +02:00
Gael Guennebaud
8580eb6808 bug #949: add static assertion for incompatible scalar types in dense end-user decompositions. 2015-03-13 21:06:20 +01:00
Gael Guennebaud
cc641aabb7 Remove deprecated usage of expr::Index. 2015-02-16 14:46:51 +01:00
Gael Guennebaud
fe57b2f963 bug #701: workaround (min) and (max) blocking ADL by introducing numext::mini and numext::maxi internal functions and a EIGEN_NOT_A_MACRO macro. 2014-10-20 15:55:32 +02:00
Christoph Hertzberg
36448c9e28 Make constructors explicit if they could lead to unintended implicit conversion 2014-09-23 14:28:23 +02:00
Gael Guennebaud
9c0aa81fbf bug #854: fix numerical issue in SelfAdjointEigenSolver::computeDirect for 3x3 matrices. The tolerance to detect stable cross products was too optimistic. 
Add respective unit tests.
 2014-08-21 10:49:09 +02:00
Chen-Pang He
2bf58316ee Fix dox at internal::tridiagonal_qr_step 2014-07-06 13:49:43 +08:00
Christoph Hertzberg
324e7e8fc9 Removed the deprecated EIGEN2_SUPPORT, as previously announced. A compilation error is raised, if this compile-switch is defined. The documentation references to the corresponding pages from Eigen3.2 now. Also, the Eigen2 testsuite has been removed. 2014-07-01 16:58:11 +02:00
Gael Guennebaud
deab937d45 NVCC: fix closed-form eigenvalue decomposition, workaround gcc4.7/nvcc5.5 issue 2014-01-24 12:50:29 +01:00
Gael Guennebaud
8fe609311d Move internal::swap to numext to fix ambiguous call with std::swap 2013-11-07 09:01:26 +01:00
Gael Guennebaud
1bb1a57ef7 merge with default branch 2013-11-05 10:31:59 +01:00