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* | Fix condition that made the unit test spam stdout with bogus error messages.Gravatar Rasmus Munk Larsen2016-02-04
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| * Merged in rmlarsen/eigen (pull request PR-161)Gravatar Gael Guennebaud2016-02-03
| |\ | |/ |/| | | Change Eigen's ColPivHouseholderQR to use numerically stable norm downdate formula
* | Fix bad line break. Don't repeat Kahan matrix test since it is deterministic.Gravatar Rasmus Munk Larsen2016-02-03
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| * bug #1164: fix list and deque specializations such that our aligned ↵Gravatar Damien R2016-02-03
| | | | | | | | allocator is automatically activatived only when the user did not specified an allocator (or specified the default std::allocator).
* | merging.Gravatar Rasmus Munk Larsen2016-02-01
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| * bug #557: make InnerIterator of sparse storage types more versatile by ↵Gravatar Gael Guennebaud2016-02-01
| | | | | | | | adding default-ctor, copy-ctor/assignment
| * Fix integer path for num_steps==1Gravatar Gael Guennebaud2016-02-01
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| * bug #698: fix linspaced for integer types.Gravatar Gael Guennebaud2016-02-01
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| * Avoid overflow in unit test.Gravatar Gael Guennebaud2016-01-30
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| * Disable underflow unit test on the i387 FPU.Gravatar Gael Guennebaud2016-01-30
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| * bug #632: add support for "dense +/- sparse" operations. The current ↵Gravatar Gael Guennebaud2016-01-29
| | | | | | | | implementation is based on SparseView to make the dense subexpression compatible with the sparse one.
| * bug #696: enable zero-sized block at compile-time by relaxing the respective ↵Gravatar Gael Guennebaud2016-01-29
| | | | | | | | assertion
* | Change Eigen's ColPivHouseholderQR to use the numerically stable norm ↵Gravatar Rasmus Munk Larsen2016-01-28
|/ | | | | | | | | | | | | | | | | | | | | | | | downdate formula from http://www.netlib.org/lapack/lawnspdf/lawn176.pdf, which has been used in LAPACK's xGEQPF and xGEQP3 since 2006. With the old formula, the code chooses the wrong pivots and fails to correctly determine rank on graded matrices. This change also adds additional checks for non-increasing diagonal in R11 to existing unit tests, and adds a new unit test with the Kahan matrix, which consistently fails for the original code. Benchmark timings on Intel(R) Xeon(R) CPU E5-1650 v3 @ 3.50GHz. Code compiled with AVX & FMA. I just ran on square matrices of 3 difference sizes. Benchmark Time(ns) CPU(ns) Iterations ------------------------------------------------------- Before: BM_EigencolPivQR/64 53677 53627 12890 BM_EigencolPivQR/512 15265408 15250784 46 BM_EigencolPivQR/4k 15403556228 15388788368 2 After (non-vectorized version): Benchmark Time(ns) CPU(ns) Iterations Degradation -------------------------------------------------------------------- BM_EigencolPivQR/64 63736 63669 10844 18.5% BM_EigencolPivQR/512 16052546 16037381 43 5.1% BM_EigencolPivQR/4k 15149263620 15132025316 2 -2.0% Performance-wise there seems to be a ~18.5% degradation for small (64x64) matrices, probably due to the cost of more O(min(m,n)^2) sqrt operations that are not needed for the unstable formula.
* bug #178: remove additional const on nested expression, and remove several ↵Gravatar Gael Guennebaud2016-01-28
| | | | const_cast.
* mergeGravatar Gael Guennebaud2016-01-28
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* | bug #1158: PartialReduxExpr is a vector expression, and it thus must expose ↵Gravatar Gael Guennebaud2016-01-28
| | | | | | | | the LinearAccessBit flag
* | Extend mixing type unit test with trmv, and the following not yet supported ↵Gravatar Gael Guennebaud2016-01-27
| | | | | | | | products: trmm, symv, symm
* | add nomalloc unit test for rank2 updatesGravatar Gael Guennebaud2016-01-27
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* | Fix tri = complex * real product, and add respective unit test.Gravatar Gael Guennebaud2016-01-27
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* | Remove redundant test.Gravatar Gael Guennebaud2016-01-26
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* | bug #51: add block preallocation mechanism to selfadjoit*matrix product.Gravatar Gael Guennebaud2016-01-25
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* | bug #51: make general_matrix_matrix_triangular_product use L3-blocking ↵Gravatar Gael Guennebaud2016-01-25
| | | | | | | | helper so that general symmetric rank-updates and general-matrix-to-triangular products do not trigger dynamic memory allocation for fixed size matrices.
* | Add SparseVector::conservativeResize() method.Gravatar Gael Guennebaud2016-01-25
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* | bug #977: add stableNormalize[d] methods: they are analogues to normalize[d] ↵Gravatar Gael Guennebaud2016-01-23
| | | | | | | | but with carefull handling of under/over-flow
* | bug #1150: make IncompleteCholesky more robust by iteratively increase the ↵Gravatar Gael Guennebaud2016-01-23
| | | | | | | | shift until the factorization succeed (with at most 10 attempts).
* | bug #1095: add Cholmod*::logDeterminant/determinant (from patch of Joshua ↵Gravatar Gael Guennebaud2016-01-22
| | | | | | | | Pritikin)
* | bug #977: avoid division by 0 in normalize() and normalized().Gravatar Gael Guennebaud2016-01-21
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* | add upper|lower case in incomplete_cholesky unit testGravatar Gael Guennebaud2016-01-21
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* | bug #1149: fix Pastix*::*parm()Gravatar Gael Guennebaud2016-01-20
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* | bug #1144: fix regression in x=y+A*x (aliasing), and move ↵Gravatar Gael Guennebaud2016-01-09
| | | | | | | | evaluator_traits::AssumeAliasing to evaluator_assume_aliasing.
| * Protect digamma tests behind a EIGEN_HAS_C99_MATH check.Gravatar Eugene Brevdo2015-12-24
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| * Add digamma for CPU + CUDA. Includes tests.Gravatar Eugene Brevdo2015-12-24
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* Merged in ebrevdo/eigen (pull request PR-148)Gravatar Gael Guennebaud2015-12-11
|\ | | | | | | Add special functions to eigen: lgamma, erf, erfc.
* | Fix unit tests wrt EIGEN_DEFAULT_TO_ROW_MAJORGravatar Gael Guennebaud2015-12-11
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| * Fixed compilation error triggered by MSVC 2008Gravatar Benoit Steiner2015-12-10
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| * Only test the lgamma, erf and erfc function when using a C99 compliant compilerGravatar Benoit Steiner2015-12-10
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| * Only implement the lgamma, erf, and erfc functions when using a compiler ↵Gravatar Benoit Steiner2015-12-10
| | | | | | | | compliant with the C99 specification.
* | Workaround gcc issue with -O3 and the i387 FPU.Gravatar Gael Guennebaud2015-12-10
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| * Only disable the erf, erfc, and lgamma tests for older versions of c++.Gravatar Benoit Steiner2015-12-07
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| * Fixed a couple of typosGravatar Benoit Steiner2015-12-07
| | | | | | | | Cleaned up the code a bit.
| * Add special functions to Eigen: lgamma, erf, erfc.Gravatar Eugene Brevdo2015-12-07
| | | | | | | | Includes CUDA support and unit tests.
* | Disable complex scalar types because the compiler might aggressively vectorizeGravatar Gael Guennebaud2015-12-09
| | | | | | | | the initialization of complex coeffs to 0 before we can check for alignedness
* | Extend unit test of coeff-based product to check many more combinationsGravatar Gael Guennebaud2015-12-08
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* Added rsqrt() method to the Array class: this method computes the ↵Gravatar Benoit Steiner2015-12-03
| | | | coefficient-wise inverse square root much more efficiently than calling sqrt().inverse().
* Add missing Rotation2D::operator=(Matrix2x2)Gravatar Gael Guennebaud2015-12-03
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* Add LU::transpose().solve() and LU::adjoint().solve() API.Gravatar Gael Guennebaud2015-12-01
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* Add internal method _solve_impl_transposed() to LU decomposition classes ↵Gravatar Rasmus Munk Larsen2015-11-30
| | | | that solves A^T x = b or A^* x = b.
* Fix matrix to quaternion (and angleaxis) conversion for matrix expression.Gravatar Gael Guennebaud2015-12-01
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* Do not check NeedsToAlign if no static alignmentGravatar Gael Guennebaud2015-11-30
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* Extend superlu cmake script to check versionGravatar Gael Guennebaud2015-11-30
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