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Implement efficient sefladjoint product (aka SYRK) : C += alpha * U U^T

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It is currently available via SelfAdjointView::rankKupdate.
TODO: allows to write SelfAdjointView += u * u.adjoint()
This commit is contained in:
Gael Guennebaud
2009-07-23 19:01:20 +02:00
parent 713c92140c
commit a81388fae9
5 changed files with 450 additions and 2 deletions
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4
Eigen/src/Core/util/BlasUtil.h
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@@ -140,10 +140,10 @@ struct ei_product_blocking_traits
HalfRegisterCount = 8,
#endif
// register block size along the N direction
// register block size along the N direction (must be either 2 or 4)
nr = HalfRegisterCount/2,
// register block size along the M direction
// register block size along the M direction (this cannot be modified)
mr = 2 * PacketSize,
// max cache block size along the K direction