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1426 Commits

Author SHA1 Message Date
Gael Guennebaud
c5d7c9f0de remove the Triangular suffix to Upper, Lower, UnitLower, etc, 
and remove the respective bit flags
 2010-01-07 21:15:32 +01:00
Benoit Jacob
82ec250a0f make applyHouseholderOnTheRight take a row vector, not a column vector: 
this is how it's used in practice.
 2010-01-07 12:50:02 -05:00
Gael Guennebaud
7d3fe69eff Various documentation updates: 
- update the tutorial
- update doc of deprecated cwise function
- update cwise doc snippets
 2010-01-06 17:18:38 +01:00
Gael Guennebaud
c11300dbd5 a couple of fixes 2010-01-06 17:16:30 +01:00
Benoit Jacob
e77748ef96 merge 2010-01-06 08:24:42 -05:00
Benoit Jacob
f287ad651a fix comments 2010-01-06 08:23:19 -05:00
Gael Guennebaud
023e0dfb4e improve the new experimental sparse product 2010-01-05 19:56:59 +01:00
Gael Guennebaud
eda4e98c61 merge 2010-01-05 16:04:36 +01:00
Gael Guennebaud
d8534be728 add a novel, experimental sparse product 2010-01-05 15:57:16 +01:00
Gael Guennebaud
1837b65b28 add operators *= and /= (bis) 2010-01-05 15:41:01 +01:00
Gael Guennebaud
cab85218db add missing operators: /, /=, *= 2010-01-05 15:36:32 +01:00
Gael Guennebaud
3e22e3907f fix types of scalar constants 2010-01-05 15:35:44 +01:00
Gael Guennebaud
97f0f02e10 forgot to hg add this file 2010-01-05 14:36:55 +01:00
Gael Guennebaud
9d9e00b608 merge and add start/end to Eigen2Support 2010-01-05 13:07:32 +01:00
Gael Guennebaud
90d2ae7fec fix aliasing detection 2010-01-05 12:46:07 +01:00
Gael Guennebaud
37851cfe11 fix a coupe of warnings 2010-01-05 10:15:29 +01:00
Benoit Jacob
39ac57fa6d Big renaming: 
start ---> head
  end   ---> tail
Much frustration with sed syntax. Need to learn perl some day.
 2010-01-04 21:24:43 -05:00
Thomas Capricelli
57275b2b8c make some changes to please clang, fix some warnings too. 2010-01-04 23:21:04 +01:00
Gael Guennebaud
71a171c267 s/asMatrix()/matrix() 2010-01-04 19:13:08 +01:00
Gael Guennebaud
8eab9fb87e port VectorwiseOp and Swap to the novel mechanisms, and various cleanning 2010-01-04 19:00:16 +01:00
Gael Guennebaud
826bff58c6 Fix #69 for the second time, and add the respective regression test 2010-01-04 17:36:26 +01:00
Benoit Jacob
80d1f9e966 remove debug output. sorry! 2010-01-02 18:01:39 -05:00
Benoit Jacob
ff94eaa4ae clarify docs as requested on forum 2010-01-02 12:55:32 -05:00
Benoit Jacob
25f8adfa6c * Fix bug #79: ei_alignmentOffset was assuming that ptr is multiple of 
sizeof(Scalar), and that assumption breaks with double on linux x86-32.
* Rename ei_alignmentOffset to ei_first_aligned
* Rewrite its documentation and part of its body
* The variant taking a MatrixBase doesn't need a separate size argument.
 2010-01-02 12:38:16 -05:00
Benoit Jacob
ed5c972801 put the assign assert and debug info before the assignment itself 2010-01-01 21:47:53 -05:00
Gael Guennebaud
72b6c05bf0 sorry for committing this mess 2009-12-23 13:30:25 +01:00
Gael Guennebaud
24302ad5cd fix #76, MayLinearVectorize depends on MaxSizeAtCompileTime and not on MaxInnerSize 2009-12-23 13:19:28 +01:00
Gael Guennebaud
0b5853d917 fix the xpr analyzer for Transpose 2009-12-23 13:17:46 +01:00
Gael Guennebaud
c90ccd089a clean a bit Hessenberg and make sure the subdiagonal coeff is real even for 2x2 matrices 2009-12-23 12:30:05 +01:00
Gael Guennebaud
791bac25f2 fix #75, and add a basic unit test for Hessenberg 
(it was indirectly tested by the eigenvalue decomposition)
 2009-12-23 12:18:54 +01:00
Gael Guennebaud
d65c8cb60a fix #69 and extend unit tests or triangular solvers 2009-12-23 11:48:53 +01:00
Gael Guennebaud
fcc3be5dce a couple of fixes after thye merge 2009-12-23 09:07:01 +01:00
Gael Guennebaud
eaaba30cac merge with default branch 2009-12-22 22:51:08 +01:00
Gael Guennebaud
e182e9c616 extend the DenseStorageMatrix mechanism to all expressions 2009-12-22 17:37:11 +01:00
Benoit Jacob
4ec99bbc0c support gcc 4.5 2009-12-21 13:49:43 -05:00
Gael Guennebaud
02beaea2f8 add missing inclusion of LU/arch, thanks to J.B. Rouault 2009-12-19 13:49:00 +01:00
Gael Guennebaud
f8cb9a6230 oops, remove duplicated ctor 2009-12-19 13:45:14 +01:00
Gael Guennebaud
9d54783036 much better workaround for empty struct (the previous one caused GCC 4.3 to generate wrong code leading to segfaults) 2009-12-18 17:08:59 +01:00
Gael Guennebaud
af4d8c5cec a couple of fixes, now Array passes the linearstructure test 2009-12-17 19:28:54 +01:00
Gael Guennebaud
4b70b47998 clean a bit Matrix and fix static Map functions 2009-12-17 14:48:26 +01:00
Gael Guennebaud
5ca90e1b0c some cleaning in DenseStorageBase 2009-12-17 13:56:33 +01:00
Gael Guennebaud
ebb2878829 finally add a Array class with storage via the introduction of a DenseStorageBase 
base class shared by both Matrix and Array
 2009-12-17 13:37:00 +01:00
Gael Guennebaud
4e9c227bd5 partial LU optimization: noalias 2009-12-17 11:43:42 +01:00
Gael Guennebaud
30d47860dd more fixes 2009-12-17 10:43:46 +01:00
Gael Guennebaud
34c95029ca a couple of fixes and cleaning 2009-12-17 10:00:35 +01:00
Gael Guennebaud
9f79558839 a lot of cleaning and fixes 2009-12-16 19:18:40 +01:00
Gael Guennebaud
22a6ab1f4b add an eigen2support test and a few fixes 2009-12-16 17:37:21 +01:00
Benoit Jacob
5cb779e5e1 * introduce ei_alignmentOffset(MatrixBase&,Integer) 
couldnt put it in Memory.h as it needs the definition of MatrixBase
* make Redux use it
 2009-12-16 08:53:14 -05:00
Gael Guennebaud
e0aa29121f this really fix the previous warning 2009-12-16 13:06:47 +01:00
Gael Guennebaud
c35fcf3bbd fix warning by making ei_empty_struct::_ei_dummy_ private 2009-12-16 12:53:55 +01:00
Gael Guennebaud
bb59c22dc9 fix compilation when mixing types 2009-12-16 12:48:15 +01:00
Gael Guennebaud
6db6774c46 * fix aliasing checks when the lhs is also transposed. At the same time, 
significantly simplify the code of these checks while extending them
  to catch much more expressions!
* move the enabling/disabling of vectorized sin/cos to the architecture traits
 2009-12-16 11:41:16 +01:00
Gael Guennebaud
7a9988ebb6 fix spasre triangular solve for row major lower matrices 2009-12-14 10:25:21 +01:00
Gael Guennebaud
a314814a6e suppress unused variable warnings 2009-12-15 13:59:02 +01:00
Benoit Jacob
949f14e1e4 no, this wasn't equivalent to ei_pload at all, after all! 2009-12-15 07:43:05 -05:00
Benoit Jacob
805eb9cc8b Gael, who is a man of few words^Winstructions, is right, as usual. 2009-12-15 06:50:40 -05:00
Hauke Heibel
3ea1f97f69 Suppressed the warning for missing assignment generators (forgot that in the last submission). 
Commented Quake3's fast inverser sqrt in SSE's MathFunction header.
 2009-12-15 08:09:14 +01:00
Benoit Jacob
4948448939 *use scalar instructions, packet not needed here 
*remove unused var warning
 2009-12-14 23:13:54 -05:00
Benoit Jacob
39095c8faa only include SSE path if SSE enabled 2009-12-14 22:52:11 -05:00
Benoit Jacob
d02eccf584 add SSE path for Matrix4f inverse, taken from Intel except that we do a kosher 
division instead of RCPPS-followed-by-Newton-Raphson. The rationale for that is
that elsewhere in Eigen we dont allow ourselves this approximation (which throws
2 bits of mantissa), so there's no reason we should allow it here.
 2009-12-14 22:47:14 -05:00
Benoit Jacob
d5f3b2dc94 change the Arch constants: const int ---> enum, more explicit names, and use 
of a namespace instead of Prefix_Name.
 2009-12-14 17:26:24 -05:00
Hauke Heibel
832045d363 Warning 4512 (assignment operators could not be generated) is now simply disabled. 
All unimplemented assignment operators have been removed.
 2009-12-14 10:32:43 +01:00
Hauke Heibel
4498864fc8 Fixed a bad type conversion. 2009-12-13 09:26:57 +01:00
Jitse Niesen
929521678d Correct type of ei_solve_retval<LLT,...>::operator= 2009-12-12 23:54:44 +00:00
Hauke Heibel
3dce51bd8e Removed more warnings. 2009-12-12 14:49:43 +01:00
Hauke Heibel
d088ee35f6 Added to possibility to compile unit tests at maximum warning level. 
Silenced (amongst others) many conversion related warnings.
 2009-12-12 11:39:07 +01:00
Gael Guennebaud
9facdaf7b9 some compilation fixes 2009-12-10 22:15:22 +01:00
Gael Guennebaud
7caf751fdd adapt select, replicate and reverse 2009-12-10 22:00:35 +01:00
Benoit Jacob
d2e44f2636 * 4x4 inverse: revert to cofactors method 
* inverse tests: use createRandomMatrixOfRank, use more strict precision
* tests: createRandomMatrixOfRank: support 1x1 matrices
* determinant: nest the xpr
* Minor: add comment
 2009-12-09 12:43:25 -05:00
Jitse Niesen
8bfa354ee3 Documentation clean up. 
* remove non-existant reference to CwiseAll
* define \householder_module (used in HouseholderSequence.h)
* update I01_TopicLazyEvaluation.dox - Product is now called GeneralProduct
* remove reference to list of examples which was deleted ages ago
* rename PartialLU_solve.cpp snippet to PartialPivLU_solve.cpp
 2009-12-08 15:12:27 +00:00
Gael Guennebaud
8e05f9cfa1 add a DenseBase class for MAtrixBase and ArrayBase and more code factorisation 2009-12-04 23:17:14 +01:00
Gael Guennebaud
c68c695b87 Fix poor Quaternion::slerp snapping 2009-12-04 15:01:17 +01:00
Gael Guennebaud
ea684af6b4 merge 2009-12-04 12:40:29 +01:00
Gael Guennebaud
7aad434160 fix compilation and clean a bit Map<Quaternion> 2009-12-04 12:26:56 +01:00
Gael Guennebaud
e12f5adbde fix MSVC10 compilation 2009-12-02 19:32:54 +01:00
Benoit Jacob
3e73f6036c * HouseholderSequence: 
* be aware of number of actual householder vectors
    (optimization in non-full-rank case, no behavior change)
  * fix applyThisOnTheRight, it was using k instead of actual_k
* QR: rename matrixQ() to householderQ() where applicable
 2009-12-02 11:11:09 -05:00
Mathieu Gautier
26ea7c9801 * remove empty destructors in Matrix.h and MatrixStorage.h 2009-12-02 11:09:56 +01:00
Hauke Heibel
84551d067e merge 2009-12-02 11:08:44 +01:00
Hauke Heibel
95861fbd6c Added NestByValue and .nestByValue() again for the sake of backwards compatibility. 2009-12-02 10:53:30 +01:00
Hauke Heibel
e3612bc0b8 Removed unnecessary code. 2009-12-02 09:11:24 +01:00
Mark Borgerding
c05ae35441 merge with tip 2009-12-01 18:03:15 -05:00
Mark Borgerding
ff1e9542f6 added comments to help vim understand the header files are c++. 2009-12-01 18:00:29 -05:00
Benoit Jacob
68117c267c ColPivQR: now the unit tests even succeeds: 
* with random matrices multiplied by 1e+8 (i.e. fixed wrong absolute fuzzy compare)
* with 10,000 repetitions (i.e. the fuzzy compare is really clever)
and when it occasionnally fails, less than once in 10,000 repeats, it is only on the exact rank computation.
 2009-12-01 13:51:35 -05:00
Benoit Jacob
95d88e1327 Big reworking of ColPivQR and its unit test, which now passes even with thousands of repetitions and correctly tests matrices of all sizes. Several surprises along the way: for example, a major cause of trouble was the optimized "table of column squared norms" where the accumulation of imprecision was a serious issue; another surprise is that tests like "x!=0" before dividing by x really benefit from being replaced by fuzzy tests, as i hit real cases where i got wrong results in 1/epsilon. 2009-12-01 13:26:29 -05:00
Benoit Jacob
49c0986d86 minor cleanup 2009-12-01 13:22:14 -05:00
Hauke Heibel
d3250cb38f That's it NestByValue and .nestByValue() are both gone! 2009-12-01 13:29:08 +01:00
Hauke Heibel
b08d5b2d2c Even more NestByValue cleanup... 2009-12-01 13:16:51 +01:00
Hauke Heibel
2bf354da80 Much more NestByValue cleanup. 2009-12-01 11:51:22 +01:00
Hauke Heibel
3091be5134 Removed NestByValue dependency from Cholesky, Eigenvalues, LU and QR. 2009-12-01 10:22:54 +01:00
Hauke Heibel
7b3e205ebd Removed NestByValue dependency from VectorwiseOp. 2009-12-01 09:56:40 +01:00
Hauke Heibel
88be826791 Removed NestByValue dependency from MatrixBase::select(). 2009-12-01 09:49:15 +01:00
Gael Guennebaud
b2a5fb874f add specialization ei_ref_selector for sparse matrix types 2009-12-01 06:21:29 +01:00
Hauke Heibel
e6c560aedf Removed wrong typename. 2009-11-30 19:06:07 +01:00
Hauke Heibel
1c2e476fa7 Initial commit for a modified ei_nested logic. 2009-11-30 18:56:56 +01:00
Benoit Jacob
4b1aca2288 precision ---> dummy_precision 2009-11-26 22:05:02 -05:00
Thomas Capricelli
f795681da0 export stableNorm(), blueNorm() and hypotNorm() to colwise() and rowwise() 
+ rudimentary test
 2009-11-26 02:28:13 +01:00
Benoit Jacob
684d76eba3 add SSE4 support, start with integer multiplication 2009-11-24 15:12:43 -05:00
Benoit Jacob
abdb2a2bd5 fix assert and handle Unit shapes 2009-11-24 12:14:40 -05:00
Benoit Jacob
44d0d667cd 4x4 inverse: 
* change block selection threshold from 1e-2 to 1e-1
* add rigorous precision test
 2009-11-23 10:13:21 -05:00
Gael Guennebaud
80ebeae48d Add the concept of base class plugins, and started to write the ArrayBase class. 
Sorry for this messy commit but I have to commit it...
 2009-11-20 18:20:55 +01:00
Gael Guennebaud
4af1753b6f * remove EnforceAlignedAccess option to Block, VectorBlock, Map and MapBase 
because thanks to the previous commit this is not needed anymore
* add a more general ForceAlignedAccess expression which can be used for any expression.
  It is already used by StableNorm.h.
 2009-11-20 16:30:14 +01:00
Gael Guennebaud
eb8f450071 Hey, finally the copyCoeff stuff is not only used to implement swap anymore :) 
Add an internal pseudo expression allowing to optimize operators like +=, *= using
the copyCoeff stuff.
This allows to easily enforce aligned load for the destination matrix everywhere.
 2009-11-20 15:39:38 +01:00
Jitse Niesen
b0baf43114 Eigen/CMakeLists.txt: remove parens from if. 
Only CMake 2.6.3 and later recognize this syntax, and at the moment we
require 2.6.2. CMake uses the right precendence, per its man page, so the
parentheses are not necessary.
 2009-11-20 11:26:26 +00:00
Benoit Jacob
6cbf662f14 * don't laugh, but these bugs took me forever to fix. 
* expand unit tests to make sure to catch them: they nearly escaped the existing tests as these memory violations were highly dependent on the numbers of rows and cols.
 2009-11-19 22:01:13 -05:00
Benoit Jacob
eac3232095 minor improvements in triangular stuff 2009-11-19 20:50:50 -05:00
Benoit Jacob
88b551e89b * fix compilation of unit-tests (sorry, had tested only 1 channel) 
* remove buggy (superfluous?) specialization in the meta-unroller
 2009-11-19 19:20:19 -05:00
Benoit Jacob
a20a744adc TriangularMatrix: extend to rectangular matrices 2009-11-19 17:07:55 -05:00
Benoit Jacob
2275f98d7b move signature file to root directory, where it belongs 2009-11-19 12:41:28 -05:00
Benoit Jacob
bbf0eb35a7 * in Eigen/CMakeLists.txt, finally do a globbing to we no longer will have problems with "oops forgot to install new module". 
* add a file Eigen/signature_of_eigen3_matrix_library, use it to make FindEigen3.cmake more solid: able to find Eigen in either eigen3/ or eigen/ and not mix it up with Eigen2.
 2009-11-19 12:31:11 -05:00
Benoit Jacob
b5f4636d42 * eigen2->eigen3 
* bump version to 2.91.0
* add FindEigen3.cmake
 2009-11-19 12:09:04 -05:00
Benoit Jacob
abb2a1bb15 simplification 2009-11-18 17:44:20 -05:00
Benoit Jacob
126a8e6a69 fix remaining bug in ColPivHouseholderQR, so now all tests pass again 2009-11-18 17:40:45 -05:00
Benoit Jacob
40865fa28c fix bugs, old and new: 
* old bug: in CwiseBinaryOp: only set the LinearAccessBit if both sides have the same storage order.
* new bug: in Assign.h, only consider linear traversal if both sides have the same storage order.
 2009-11-18 17:20:39 -05:00
Benoit Jacob
11fa2ae2c6 temporarily disable linear traversal. 
Actually I don't think it's buggy. But it probably triggers existing bugs, I suspect that
some xprs have LinearAccessBit and shouldn't have it.
Also this fixes the "bugs" with JacobiSVD ---> now it works again
 2009-11-18 16:31:14 -05:00
Benoit Jacob
8860203e6a fix stuff after the PermutationMatrix changes. 
I still have JacobiSVD errors when cols>rows
 2009-11-18 12:41:24 -05:00
Gael Guennebaud
e3d890bc5a Another big refactoring change: 
* add a new Eigen2Support module including Cwise, Flagged, and some other deprecated stuff
* add a few cwiseXxx functions
* adapt a few modules to use cwiseXxx instead of the .cwise() prefix
 2009-11-18 18:15:19 +01:00
Benoit Jacob
94c706d04f Assign.h: add LinearTraversal (non-vectorized index-based traversal) 
Rename some constants to make names match more closely what they mean.
 2009-11-18 11:57:07 -05:00
Gael Guennebaud
0529ecfe1b Big refactoring/cleaning in the spasre module with 
in particular the addition of a selfadjointView, and the
extension of triangularView. The rest is cleaning and does not
change/extend the API.
 2009-11-18 14:52:52 +01:00
Gael Guennebaud
1e62e0b0d8 more ET refactoring: 
* extend Cwise for multiple storage base class
* a lot of cleaning in the Sparse module
 2009-11-17 16:04:19 +01:00
Benoit Jacob
9f21e2aab7 port the QR module to PermutationMatrix 2009-11-17 08:14:54 -05:00
Gael Guennebaud
63bcc1c0fb adapt CwiseBinaryOp and the Sparse counter part 2009-11-17 10:11:27 +01:00
Benoit Jacob
30b610a10f vade retro 2009-11-16 21:45:01 -05:00
Benoit Jacob
ac00902f84 for consistency: PlainMatrixType ---> DenseMatrixType 2009-11-16 21:43:15 -05:00
Benoit Jacob
984c000778 addToDense ---> addTo 
subToDense ---> subTo
 2009-11-16 21:33:41 -05:00
Benoit Jacob
07412b2075 PermutationMatrix: add setIdentity and transpositions methods 
LU: make use of that
 2009-11-16 21:28:26 -05:00
Benoit Jacob
b90744dc05 Port FullPivLU to PermutationMatrix 2009-11-16 17:05:12 -05:00
Benoit Jacob
76c614f9bd PartialPivLU: port to PermutationMatrix 
PermutationMatrix: add resize()
 2009-11-16 15:36:07 -05:00
Benoit Jacob
eb6df28c6c DiagonalMatrix: release-quality documentation 
BandMatrix: rename toDense() ---> toDenseMatrix() for consistency
 2009-11-16 15:25:58 -05:00
Benoit Jacob
e8d0dbf82e PermutationMatrix: 
* make multiplication order not be reversed
 * release-quality documentation
 2009-11-16 15:07:33 -05:00
Benoit Jacob
8a1bada43d initialize-by-zero: remember that when the newsize==oldsize, resize() must remain a NOP 2009-11-16 13:45:06 -05:00
Gael Guennebaud
1c9a2d246f adapt CwiseUnaryOp and CwiseUnaryView 2009-11-16 19:39:29 +01:00
Gael Guennebaud
2a3a6fe45e Experiment the ET refactoring on Transpose for Dense and Sparse storages. 
All tests work fine.
 2009-11-16 18:19:08 +01:00
Benoit Jacob
b25eb5fdaa PermutationMatrix: add inverse() and product of permutations 2009-11-16 09:39:07 -05:00
Benoit Jacob
955cd7f884 * add PermutationMatrix 
* DiagonalMatrix:
   - add MaxSizeAtCompileTime parameter
   - DiagonalOnTheLeft ---> OnTheLeft
   - fix bug in DiagonalMatrix::setIdentity()
 2009-11-15 21:12:15 -05:00
Mathieu Gautier
6680fa42ee * add Map<Quaternion> test based on Map from test/map.cpp 
* replace implicit constructor AngleAxis(QuaternionBase&) by an explicit one, it seems ambiguous for the compiler
* remove explicit constructor with conversion type quaternion(Quaternion&): conflict between constructor.
* modify EIGEN_INHERIT_ASSIGNEMENT_OPERATORS to suit Quaternion class
 2009-11-13 16:41:51 +01:00
Benoit Jacob
8b563d7163 ouch, avoid infinite loop! 
optimization is not so important here, so a for loop will do.
 2009-11-12 14:08:47 -05:00
Benoit Jacob
5266a78aca also optionnally initialize by zero after resizing 2009-11-12 12:49:00 -05:00
Benoit Jacob
8132ee3908 * add non-default option to initialize matrices by 0 
(useful for porting)
* maketests really has to be in test/
 2009-11-12 12:39:22 -05:00
Jitse Niesen
343eec7ca8 Compilation fix: makeHousholderInPlace now uses references. 2009-11-11 16:23:09 +00:00
Benoit Jacob
bf691cc3f1 fix PowerPC platform detection 2009-11-11 10:52:00 -05:00
Benoit Jacob
a440385b41 *adapt Householder to the convention that we now favor refs over ptrs for output. Keep "workspace" as pointer because it is an array (which is now more obvious). 
*rename makeHouseholderSequence to householderSequence, because that's what it returns.
 2009-11-10 21:22:20 -05:00
Gael Guennebaud
f647fb8dd4 fix compilation and removed some unused stuff in skyline 2009-11-10 21:22:55 +01:00
Gael Guennebaud
58632c1652 fix #68 I did not see the skyline matrix patch contained that 2009-11-10 14:19:03 +01:00
Gael Guennebaud
1879403562 mv the Skyline module to unsupported/ 2009-11-10 12:47:42 +01:00
kayhman
1333fe651d Added basic SkylineMatrix. 2009-11-04 15:18:12 +01:00
Benoit Jacob
92749eed11 * merge 
* remove a ctor in QuaternionBase as it gives a strange error with GCC 4.4.2.
 2009-11-09 09:08:03 -05:00
Benoit Jacob
4b366b07be add missing includes 2009-11-09 08:04:20 -05:00
Benoit Jacob
9a0900e33e last round of changes, mainly to return derived types instead of base types, and fix various compilation issues 2009-11-09 07:51:31 -05:00
Gael Guennebaud
670651e2e0 Quaternion: fix compilation, cleaning 2009-11-09 10:48:18 +01:00
Benoit Jacob
e4e58e8337 simplifications in the ei_solve_impl system, factor out some boilerplate code 2009-11-08 16:51:41 -05:00