Commit Graph

6 Commits

Author SHA1 Message Date
Daniel Gomez Ferro
8fb1678f0f Extended sparse unit-test: nested blocks and InnerIterators.
Block specialization for sparse matrices.
InnerIterators for Blocks and fixes in CoreIterators.
2008-09-02 15:28:49 +00:00
Benoit Jacob
a814ebe180 fix a number of compiler errors and warnings with gcc 4.3. There was a missing
#include<algorithm> so I'm not sure how it compiled at all for you :)
2008-08-22 01:19:53 +00:00
Gael Guennebaud
37a50fa526 * added an in-place version of inverseProduct which
might be twice faster fot small fixed size matrix
* added a sparse triangular solver (sparse version
  of inverseProduct)
* various other improvements in the Sparse module
2008-06-29 21:29:12 +00:00
Gael Guennebaud
027818d739 * added innerSize / outerSize functions to MatrixBase
* added complete implementation of sparse matrix product
  (with a little glue in Eigen/Core)
* added an exhaustive bench of sparse products including GMM++ and MTL4
  => Eigen outperforms in all transposed/density configurations !
2008-06-28 23:07:14 +00:00
Gael Guennebaud
e5d301dc96 various work on the Sparse module:
* added some glue to Eigen/Core (SparseBit, ei_eval, Matrix)
* add two new sparse matrix types:
   HashMatrix: based on std::map (for random writes)
   LinkedVectorMatrix: array of linked vectors
   (for outer coherent writes, e.g. to transpose a matrix)
* add a SparseSetter class to easily set/update any kind of matrices, e.g.:
   { SparseSetter<MatrixType,RandomAccessPattern> wrapper(mymatrix);
     for (...) wrapper->coeffRef(rand(),rand()) = rand(); }
* automatic shallow copy for RValue
* and a lot of mess !
plus:
* remove the remaining ArrayBit related stuff
* don't use alloca in product for very large memory allocation
2008-06-26 23:22:26 +00:00
Gael Guennebaud
ea1990ef3d add experimental code for sparse matrix:
- uses the common "Compressed Column Storage" scheme
 - supports every unary and binary operators with xpr template
   assuming binaryOp(0,0) == 0 and unaryOp(0) = 0 (otherwise a sparse
   matrix doesnot make sense)
 - this is the first commit, so of course, there are still several shorcommings !
2008-06-23 13:25:22 +00:00