Eigen::internal::scalar_log2_op< Scalar > Struct Template Reference

Template functor to compute the base-2 logarithm of a scalar. More...

#include <UnaryFunctors.h>

Public Types
using	RealScalar = typename NumTraits< Scalar >::Real

Public Member Functions
EIGEN_DEVICE_FUNC const Scalar	operator() (const Scalar &a) const
template<typename Packet >
EIGEN_DEVICE_FUNC Packet	packetOp (const Packet &a) const

Detailed Description

template<typename Scalar>
struct Eigen::internal::scalar_log2_op< Scalar >

Template functor to compute the base-2 logarithm of a scalar.

See also

class CwiseUnaryOp, Cwise::log2()

Member Typedef Documentation

RealScalar

template<typename Scalar >

using Eigen::internal::scalar_log2_op< Scalar >::RealScalar = typename NumTraits<Scalar>::Real

Member Function Documentation

operator()()

template<typename Scalar >

EIGEN_DEVICE_FUNC const Scalar Eigen::internal::scalar_log2_op< Scalar >::operator() ( const Scalar &  a ) const

inline

                                                                          {
    return Scalar(RealScalar(EIGEN_LOG2E)) * numext::log(a);
  }

References a, EIGEN_LOG2E, and Eigen::numext::log().

packetOp()

template<typename Scalar >

template<typename Packet >

EIGEN_DEVICE_FUNC Packet Eigen::internal::scalar_log2_op< Scalar >::packetOp ( const Packet &  a ) const

inline

                                                                  {
    return internal::plog2(a);
  }

References a, and Eigen::internal::plog2().

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

• functors/UnaryFunctors.h