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Added support for exclusive or

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This commit is contained in:
Benoit Steiner 2016-04-14 20:37:46 -07:00
parent 9624a1ea3d
commit 18e6f67426
3 changed files with 40 additions and 0 deletions
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16
Eigen/src/Core/functors/BinaryFunctors.h
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@ -344,6 +344,22 @@ template<> struct functor_traits<scalar_boolean_or_op> {
}; };
}; };
/** \internal
* \brief Template functor to compute the xor of two booleans
*
* \sa class CwiseBinaryOp, ArrayBase::operator^
*/
struct scalar_boolean_xor_op {
EIGEN_EMPTY_STRUCT_CTOR(scalar_boolean_xor_op)
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE bool operator() (const bool& a, const bool& b) const { return a ^ b; }
};
template<> struct functor_traits<scalar_boolean_xor_op> {
enum {
Cost = NumTraits<bool>::AddCost,
PacketAccess = false
};
};
/** \internal /** \internal
* \brief Template functor to compute the incomplete gamma function igamma(a, x) * \brief Template functor to compute the incomplete gamma function igamma(a, x)
* *

18
Eigen/src/plugins/ArrayCwiseBinaryOps.h
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@ -280,3 +280,21 @@ operator||(const EIGEN_CURRENT_STORAGE_BASE_CLASS<OtherDerived> &other) const
return CwiseBinaryOp<internal::scalar_boolean_or_op, const Derived, const OtherDerived>(derived(),other.derived()); return CwiseBinaryOp<internal::scalar_boolean_or_op, const Derived, const OtherDerived>(derived(),other.derived());
} }
/** \returns an expression of the coefficient-wise ^ operator of *this and \a other
*
* \warning this operator is for expression of bool only.
*
* Example: \include Cwise_boolean_xor.cpp
* Output: \verbinclude Cwise_boolean_xor.out
*
* \sa operator&&(), select()
*/
template<typename OtherDerived>
EIGEN_DEVICE_FUNC
inline const CwiseBinaryOp<internal::scalar_boolean_xor_op, const Derived, const OtherDerived>
operator^(const EIGEN_CURRENT_STORAGE_BASE_CLASS<OtherDerived> &other) const
{
EIGEN_STATIC_ASSERT((internal::is_same<bool,Scalar>::value && internal::is_same<bool,typename OtherDerived::Scalar>::value),
THIS_METHOD_IS_ONLY_FOR_EXPRESSIONS_OF_BOOL);
return CwiseBinaryOp<internal::scalar_boolean_xor_op, const Derived, const OtherDerived>(derived(),other.derived());
}

6
unsupported/Eigen/CXX11/src/Tensor/TensorBase.h
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@ -334,6 +334,12 @@ class TensorBase<Derived, ReadOnlyAccessors>
return binaryExpr(other.derived(), internal::scalar_boolean_or_op()); return binaryExpr(other.derived(), internal::scalar_boolean_or_op());
} }
template<typename OtherDerived> EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
const TensorCwiseBinaryOp<internal::scalar_boolean_xor_op, const Derived, const OtherDerived>
operator^(const OtherDerived& other) const {
return binaryExpr(other.derived(), internal::scalar_boolean_xor_op());
}
// Comparisons and tests. // Comparisons and tests.
template<typename OtherDerived> EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE template<typename OtherDerived> EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
const TensorCwiseBinaryOp<internal::scalar_cmp_op<Scalar, internal::cmp_LT>, const Derived, const OtherDerived> const TensorCwiseBinaryOp<internal::scalar_cmp_op<Scalar, internal::cmp_LT>, const Derived, const OtherDerived>