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Added support for expm1 in Eigen.

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This commit is contained in:
Srinivas Vasudevan
2016-12-02 14:13:01 -08:00
parent 27873008d4
commit 218764ee1f
15 changed files with 171 additions and 13 deletions
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5
Eigen/src/Core/GenericPacketMath.h
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@@ -61,6 +61,7 @@ struct default_packet_traits
HasSqrt = 0,
HasRsqrt = 0,
HasExp = 0,
HasExpm1 = 0,
HasLog = 0,
HasLog1p = 0,
HasLog10 = 0,
@@ -401,6 +402,10 @@ Packet ptanh(const Packet& a) { using std::tanh; return tanh(a); }
template<typename Packet> EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
Packet pexp(const Packet& a) { using std::exp; return exp(a); }
/** \internal \returns the expm1 of \a a (coeff-wise) */
template<typename Packet> EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
Packet pexpm1(const Packet& a) { return numext::expm1(a); }
/** \internal \returns the log of \a a (coeff-wise) */
template<typename Packet> EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
Packet plog(const Packet& a) { using std::log; return log(a); }