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* add bench/benchVecAdd.cpp by Gael, fix crash (ei_pload on non-aligned)

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* introduce packet(int), make use of it in linear vectorized paths
  --> completely fixes the slowdown noticed in benchVecAdd.
* generalize coeff(int) to linear-access xprs
* clarify the access flag bits
* rework api dox in Coeffs.h and util/Constants.h
* improve certain expressions's flags, allowing more vectorization
* fix bug in Block: start(int) and end(int) returned dyn*dyn size
* fix bug in Block: just because the Eval type has packet access
  doesn't imply the block xpr should have it too.
This commit is contained in:
Benoit Jacob
2008-06-26 16:06:41 +00:00
parent 5b0da4b778
commit 25ba9f377c
23 changed files with 558 additions and 264 deletions
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13
Eigen/src/Core/MatrixBase.h
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@@ -228,6 +228,11 @@ template<typename Derived> class MatrixBase
template<int StoreMode>
void writePacket(int row, int col, const PacketScalar& x);
template<int LoadMode>
PacketScalar packet(int index) const;
template<int StoreMode>
void writePacket(int index, const PacketScalar& x);
const Scalar x() const;
const Scalar y() const;
const Scalar z() const;
@@ -307,11 +312,11 @@ template<typename Derived> class MatrixBase
Block<Derived> block(int start, int size);
const Block<Derived> block(int start, int size) const;
Block<Derived> start(int size);
const Block<Derived> start(int size) const;
typename SubVectorReturnType<Dynamic>::Type start(int size);
const typename SubVectorReturnType<Dynamic>::Type start(int size) const;
Block<Derived> end(int size);
const Block<Derived> end(int size) const;
typename SubVectorReturnType<Dynamic>::Type end(int size);
const typename SubVectorReturnType<Dynamic>::Type end(int size) const;
Block<Derived> corner(CornerType type, int cRows, int cCols);
const Block<Derived> corner(CornerType type, int cRows, int cCols) const;