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bugfix in sum

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This commit is contained in:
Gael Guennebaud 2009-01-08 10:36:54 +00:00
parent cb71dc4bbf
commit 4432cf8ca3
1 changed files with 10 additions and 3 deletions
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13
Eigen/src/Core/Sum.h
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@ -231,11 +231,18 @@ template<typename Derived>
struct ei_sum_impl<Derived, LinearVectorization, CompleteUnrolling, IsDense> struct ei_sum_impl<Derived, LinearVectorization, CompleteUnrolling, IsDense>
{ {
typedef typename Derived::Scalar Scalar; typedef typename Derived::Scalar Scalar;
typedef typename ei_packet_traits<Scalar>::type PacketScalar;
enum {
PacketSize = ei_packet_traits<Scalar>::size,
Size = Derived::SizeAtCompileTime,
VectorizationSize = (Size / PacketSize) * PacketSize
};
static Scalar run(const Derived& mat) static Scalar run(const Derived& mat)
{ {
return ei_predux( Scalar res = ei_predux(ei_sum_vec_unroller<Derived, 0, VectorizationSize>::run(mat));
ei_sum_vec_unroller<Derived, 0, Derived::SizeAtCompileTime>::run(mat) if (VectorizationSize != Size)
); res += ei_sum_novec_unroller<Derived, VectorizationSize, Size-VectorizationSize>::run(mat);
return res;
} }
}; };