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

Template functor to compute the and of two scalars as if they were booleans. More...

#include <BinaryFunctors.h>

Public Types
using	result_type = Scalar

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

Detailed Description

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

Template functor to compute the and of two scalars as if they were booleans.

See also

class CwiseBinaryOp, ArrayBase::operator&&

Member Typedef Documentation

result_type

template<typename Scalar >

using Eigen::internal::scalar_boolean_and_op< Scalar >::result_type = Scalar

Member Function Documentation

operator()()

template<typename Scalar >

EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Scalar Eigen::internal::scalar_boolean_and_op< Scalar >::operator() ( const Scalar &  a, const Scalar &  b  ) const

inline

                                                                                                  {
    return (a != Scalar(0)) && (b != Scalar(0)) ? Scalar(1) : Scalar(0);
  }

References a, and b.

packetOp()

template<typename Scalar >

template<typename Packet >

EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Packet Eigen::internal::scalar_boolean_and_op< Scalar >::packetOp ( const Packet &  a, const Packet &  b  ) const

inline

                                                                                                {
    const Packet cst_one = pset1<Packet>(Scalar(1));
    // and(a,b) == !or(!a,!b)
    Packet not_a = pcmp_eq(a, pzero(a));
    Packet not_b = pcmp_eq(b, pzero(b));
    Packet a_nand_b = por(not_a, not_b);
    return pandnot(cst_one, a_nand_b);
  }

References a, b, Eigen::internal::pandnot(), Eigen::internal::pcmp_eq(), Eigen::internal::por(), and Eigen::internal::pzero().

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

• BinaryFunctors.h