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Rename predux_downto4 to be more accurate on its semantic.

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This commit is contained in:
Gael Guennebaud
2018-04-03 14:28:38 +02:00
parent 67bac6368c
commit 584951ca4d
5 changed files with 10 additions and 10 deletions
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4
Eigen/src/Core/GenericPacketMath.h
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@@ -324,13 +324,13 @@ preduxp(const Packet* vecs) { return vecs[0]; }
template<typename Packet> EIGEN_DEVICE_FUNC inline typename unpacket_traits<Packet>::type predux(const Packet& a)
{ return a; }
/** \internal \returns the sum of the elements of \a a by block of 4 elements.
/** \internal \returns the sum of the elements of upper and lower half of \a a if \a a is larger than 4.
* For a packet {a0, a1, a2, a3, a4, a5, a6, a7}, it returns a half packet {a0+a4, a1+a5, a2+a6, a3+a7}
* For packet-size smaller or equal to 4, this boils down to a noop.
*/
template<typename Packet> EIGEN_DEVICE_FUNC inline
typename conditional<(unpacket_traits<Packet>::size%8)==0,typename unpacket_traits<Packet>::half,Packet>::type
predux_downto4(const Packet& a)
predux_half_dowto4(const Packet& a)
{ return a; }
/** \internal \returns the product of the elements of \a a*/