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

Template functor to compute the reciprocal square root of a scalar. More...

#include <UnaryFunctors.h>

List of all members.

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

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Detailed Description

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

Template functor to compute the reciprocal square root of a scalar.

See also:

class CwiseUnaryOp, Cwise::rsqrt()

Definition at line 295 of file UnaryFunctors.h.

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Member Function Documentation

template<typename Scalar >

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

(

const Scalar &

a

)

const [inline]

Definition at line 297 of file UnaryFunctors.h.

{ using std::sqrt; return Scalar(1)/sqrt(a); }

template<typename Scalar >

template<typename Packet >

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

(

const Packet &

a

)

const [inline]

Definition at line 299 of file UnaryFunctors.h.

{ return internal::prsqrt(a); }

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

• UnaryFunctors.h