Eigen::internal::scalar_digamma_op< Scalar > Struct Template Reference

Template functor to compute psi, the derivative of lgamma of a scalar. More...

#include <UnaryFunctors.h>

List of all members.

Public Types
typedef packet_traits< Scalar > ::type	Packet
Public Member Functions
EIGEN_DEVICE_FUNC const Scalar	operator() (const Scalar &a) const
EIGEN_DEVICE_FUNC Packet	packetOp (const Packet &a) const

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Detailed Description

template<typename Scalar>
struct Eigen::internal::scalar_digamma_op< Scalar >

Template functor to compute psi, the derivative of lgamma of a scalar.

See also:

class CwiseUnaryOp, Cwise::digamma()

Definition at line 434 of file UnaryFunctors.h.

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Member Typedef Documentation

template<typename Scalar >

typedef packet_traits<Scalar>::type Eigen::internal::scalar_digamma_op< Scalar >::Packet

Definition at line 439 of file UnaryFunctors.h.

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Member Function Documentation

template<typename Scalar >

EIGEN_DEVICE_FUNC const Scalar Eigen::internal::scalar_digamma_op< Scalar >::operator()

(

const Scalar &

a

)

const [inline]

Definition at line 436 of file UnaryFunctors.h.

                                                                           {
    using numext::digamma; return digamma(a);
  }

template<typename Scalar >

EIGEN_DEVICE_FUNC Packet Eigen::internal::scalar_digamma_op< Scalar >::packetOp

(

const Packet &

a

)

const [inline]

Definition at line 440 of file UnaryFunctors.h.

{ return internal::pdigamma(a); }

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The documentation for this struct was generated from the following file:

• UnaryFunctors.h