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Several improvements regarding packet-bitwise operations:

Browse Source 
- add unit tests
- optimize their AVX512f implementation
- add missing implementations (half, Packet4f, ...)
This commit is contained in:
Gael Guennebaud
2018-11-30 15:56:08 +01:00
parent fa87f9d876
commit 69ace742be
5 changed files with 140 additions and 126 deletions
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20
Eigen/src/Core/GenericPacketMath.h
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@@ -158,13 +158,11 @@ preinterpret(const Packet& a); /* { return reinterpret_cast<const Target&>(a); }
/** \internal \returns a + b (coeff-wise) */
template<typename Packet> EIGEN_DEVICE_FUNC inline Packet
padd(const Packet& a,
const Packet& b) { return a+b; }
padd(const Packet& a, const Packet& b) { return a+b; }
/** \internal \returns a - b (coeff-wise) */
template<typename Packet> EIGEN_DEVICE_FUNC inline Packet
psub(const Packet& a,
const Packet& b) { return a-b; }
psub(const Packet& a, const Packet& b) { return a-b; }
/** \internal \returns -a (coeff-wise) */
template<typename Packet> EIGEN_DEVICE_FUNC inline Packet
@@ -177,23 +175,19 @@ pconj(const Packet& a) { return numext::conj(a); }
/** \internal \returns a * b (coeff-wise) */
template<typename Packet> EIGEN_DEVICE_FUNC inline Packet
pmul(const Packet& a,
const Packet& b) { return a*b; }
pmul(const Packet& a, const Packet& b) { return a*b; }
/** \internal \returns a / b (coeff-wise) */
template<typename Packet> EIGEN_DEVICE_FUNC inline Packet
pdiv(const Packet& a,
const Packet& b) { return a/b; }
pdiv(const Packet& a, const Packet& b) { return a/b; }
/** \internal \returns the min of \a a and \a b (coeff-wise) */
template<typename Packet> EIGEN_DEVICE_FUNC inline Packet
pmin(const Packet& a,
const Packet& b) { return numext::mini(a, b); }
pmin(const Packet& a, const Packet& b) { return numext::mini(a, b); }
/** \internal \returns the max of \a a and \a b (coeff-wise) */
template<typename Packet> EIGEN_DEVICE_FUNC inline Packet
pmax(const Packet& a,
const Packet& b) { return numext::maxi(a, b); }
pmax(const Packet& a, const Packet& b) { return numext::maxi(a, b); }
/** \internal \returns the absolute value of \a a */
template<typename Packet> EIGEN_DEVICE_FUNC inline Packet
@@ -217,7 +211,7 @@ pxor(const Packet& a, const Packet& b) { return a ^ b; }
/** \internal \returns the bitwise andnot of \a a and \a b */
template<typename Packet> EIGEN_DEVICE_FUNC inline Packet
pandnot(const Packet& a, const Packet& b) { return a & (!b); }
pandnot(const Packet& a, const Packet& b) { return a & (~b); }
/** \internal \returns \a a shifted by N bits to the right */
template<int N> EIGEN_DEVICE_FUNC inline int