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Add hyperbolic trigonometric functions from std array support

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This commit is contained in:
Deanna Hood
2015-03-11 13:13:30 +10:00
parent a5e49976f5
commit f89fcefa79
6 changed files with 149 additions and 21 deletions
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58
Eigen/src/Core/functors/UnaryFunctors.h
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@@ -384,7 +384,6 @@ struct functor_traits<scalar_asin_op<Scalar> >
};
};
/** \internal
* \brief Template functor to compute the atan of a scalar
* \sa class CwiseUnaryOp, ArrayBase::atan()
@@ -404,6 +403,63 @@ struct functor_traits<scalar_atan_op<Scalar> >
};
};
/** \internal
* \brief Template functor to compute the tanh of a scalar
* \sa class CwiseUnaryOp, ArrayBase::tanh()
*/
template<typename Scalar> struct scalar_tanh_op {
EIGEN_EMPTY_STRUCT_CTOR(scalar_tanh_op)
inline const Scalar operator() (const Scalar& a) const { using std::tanh; return tanh(a); }
typedef typename packet_traits<Scalar>::type Packet;
inline Packet packetOp(const Packet& a) const { return internal::ptanh(a); }
};
template<typename Scalar>
struct functor_traits<scalar_tanh_op<Scalar> >
{
enum {
Cost = 5 * NumTraits<Scalar>::MulCost,
PacketAccess = packet_traits<Scalar>::HasTanh
};
};
/** \internal
* \brief Template functor to compute the sinh of a scalar
* \sa class CwiseUnaryOp, ArrayBase::sinh()
*/
template<typename Scalar> struct scalar_sinh_op {
EIGEN_EMPTY_STRUCT_CTOR(scalar_sinh_op)
inline const Scalar operator() (const Scalar& a) const { using std::sinh; return sinh(a); }
typedef typename packet_traits<Scalar>::type Packet;
inline Packet packetOp(const Packet& a) const { return internal::psinh(a); }
};
template<typename Scalar>
struct functor_traits<scalar_sinh_op<Scalar> >
{
enum {
Cost = 5 * NumTraits<Scalar>::MulCost,
PacketAccess = packet_traits<Scalar>::HasSinh
};
};
/** \internal
* \brief Template functor to compute the cosh of a scalar
* \sa class CwiseUnaryOp, ArrayBase::cosh()
*/
template<typename Scalar> struct scalar_cosh_op {
EIGEN_EMPTY_STRUCT_CTOR(scalar_cosh_op)
inline const Scalar operator() (const Scalar& a) const { using std::cosh; return cosh(a); }
typedef typename packet_traits<Scalar>::type Packet;
inline Packet packetOp(const Packet& a) const { return internal::pcosh(a); }
};
template<typename Scalar>
struct functor_traits<scalar_cosh_op<Scalar> >
{
enum {
Cost = 5 * NumTraits<Scalar>::MulCost,
PacketAccess = packet_traits<Scalar>::HasCosh
};
};
/** \internal
* \brief Template functor to compute the inverse of a scalar
* \sa class CwiseUnaryOp, Cwise::inverse()