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Diffstat (limited to 'Eigen/src/Core/GenericPacketMath.h')
| -rw-r--r-- | Eigen/src/Core/GenericPacketMath.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Eigen/src/Core/GenericPacketMath.h b/Eigen/src/Core/GenericPacketMath.h index 802def51d..988fc9c99 100644 --- a/Eigen/src/Core/GenericPacketMath.h +++ b/Eigen/src/Core/GenericPacketMath.h @@ -76,6 +76,7 @@ struct default_packet_traits HasTanh = 0, HasLGamma = 0, HasDiGamma = 0, + HasZeta = 0, HasErf = 0, HasErfc = 0, HasIGamma = 0, @@ -450,6 +451,10 @@ Packet plgamma(const Packet& a) { using numext::lgamma; return lgamma(a); } /** \internal \returns the derivative of lgamma, psi(\a a) (coeff-wise) */ template<typename Packet> EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS Packet pdigamma(const Packet& a) { using numext::digamma; return digamma(a); } + +/** \internal \returns the zeta function of two arguments (coeff-wise) */ +template<typename Packet> EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS +Packet pzeta(const Packet& x, const Packet& q) { using numext::zeta; return zeta(x, q); } /** \internal \returns the erf(\a a) (coeff-wise) */ template<typename Packet> EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS |