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bug #80: merge with d_hood branch on adding more coefficient-wise unary array functors

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This commit is contained in:
Gael Guennebaud
2015-06-10 15:52:05 +02:00
parent 192bce2795 e5048b5501
commit 25a98be948
23 changed files with 845 additions and 77 deletions
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222
Eigen/src/Core/functors/UnaryFunctors.h
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@@ -122,6 +122,27 @@ struct functor_traits<scalar_conjugate_op<Scalar> >
};
};
/** \internal
* \brief Template functor to compute the phase angle of a complex
*
* \sa class CwiseUnaryOp, Cwise::arg
*/
template<typename Scalar> struct scalar_arg_op {
EIGEN_EMPTY_STRUCT_CTOR(scalar_arg_op)
typedef typename NumTraits<Scalar>::Real result_type;
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE const result_type operator() (const Scalar& a) const { using numext::arg; return arg(a); }
template<typename Packet>
EIGEN_STRONG_INLINE const Packet packetOp(const Packet& a) const
{ return internal::parg(a); }
};
template<typename Scalar>
struct functor_traits<scalar_arg_op<Scalar> >
{
enum {
Cost = NumTraits<Scalar>::IsComplex ? 5 * NumTraits<Scalar>::MulCost : NumTraits<Scalar>::AddCost,
PacketAccess = packet_traits<Scalar>::HasArg
};
};
/** \internal
* \brief Template functor to cast a scalar to another type
*
@@ -233,6 +254,21 @@ template<typename Scalar>
struct functor_traits<scalar_log_op<Scalar> >
{ enum { Cost = 5 * NumTraits<Scalar>::MulCost, PacketAccess = packet_traits<Scalar>::HasLog }; };
/** \internal
*
* \brief Template functor to compute the base-10 logarithm of a scalar
*
* \sa class CwiseUnaryOp, Cwise::log10()
*/
template<typename Scalar> struct scalar_log10_op {
EIGEN_EMPTY_STRUCT_CTOR(scalar_log10_op)
EIGEN_DEVICE_FUNC inline const Scalar operator() (const Scalar& a) const { using std::log10; return log10(a); }
typedef typename packet_traits<Scalar>::type Packet;
inline Packet packetOp(const Packet& a) const { return internal::plog10(a); }
};
template<typename Scalar>
struct functor_traits<scalar_log10_op<Scalar> >
{ enum { Cost = 5 * NumTraits<Scalar>::MulCost, PacketAccess = packet_traits<Scalar>::HasLog10 }; };
/** \internal
* \brief Template functor to compute the square root of a scalar
@@ -367,7 +403,6 @@ struct functor_traits<scalar_asin_op<Scalar> >
};
};
/** \internal
* \brief Template functor to compute the atan of a scalar
* \sa class CwiseUnaryOp, ArrayBase::atan()
@@ -387,6 +422,63 @@ 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()
@@ -435,6 +527,134 @@ template<typename Scalar>
struct functor_traits<scalar_cube_op<Scalar> >
{ enum { Cost = 2*NumTraits<Scalar>::MulCost, PacketAccess = packet_traits<Scalar>::HasMul }; };
/** \internal
* \brief Template functor to compute the rounded value of a scalar
* \sa class CwiseUnaryOp, ArrayBase::round()
*/
template<typename Scalar> struct scalar_round_op {
EIGEN_EMPTY_STRUCT_CTOR(scalar_round_op)
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE const Scalar operator() (const Scalar& a) const { using numext::round; return round(a); }
typedef typename packet_traits<Scalar>::type Packet;
inline Packet packetOp(const Packet& a) const { return internal::pround(a); }
};
template<typename Scalar>
struct functor_traits<scalar_round_op<Scalar> >
{
enum {
Cost = NumTraits<Scalar>::MulCost,
PacketAccess = packet_traits<Scalar>::HasRound
};
};
/** \internal
* \brief Template functor to compute the floor of a scalar
* \sa class CwiseUnaryOp, ArrayBase::floor()
*/
template<typename Scalar> struct scalar_floor_op {
EIGEN_EMPTY_STRUCT_CTOR(scalar_floor_op)
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE const Scalar operator() (const Scalar& a) const { return numext::floor(a); }
typedef typename packet_traits<Scalar>::type Packet;
inline Packet packetOp(const Packet& a) const { return internal::pfloor(a); }
};
template<typename Scalar>
struct functor_traits<scalar_floor_op<Scalar> >
{
enum {
Cost = NumTraits<Scalar>::MulCost,
PacketAccess = packet_traits<Scalar>::HasFloor
};
};
/** \internal
* \brief Template functor to compute the ceil of a scalar
* \sa class CwiseUnaryOp, ArrayBase::ceil()
*/
template<typename Scalar> struct scalar_ceil_op {
EIGEN_EMPTY_STRUCT_CTOR(scalar_ceil_op)
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE const Scalar operator() (const Scalar& a) const { return numext::ceil(a); }
typedef typename packet_traits<Scalar>::type Packet;
inline Packet packetOp(const Packet& a) const { return internal::pceil(a); }
};
template<typename Scalar>
struct functor_traits<scalar_ceil_op<Scalar> >
{
enum {
Cost = NumTraits<Scalar>::MulCost,
PacketAccess = packet_traits<Scalar>::HasCeil
};
};
/** \internal
* \brief Template functor to compute whether a scalar is NaN
* \sa class CwiseUnaryOp, ArrayBase::isNaN()
*/
template<typename Scalar> struct scalar_isNaN_op {
EIGEN_EMPTY_STRUCT_CTOR(scalar_isNaN_op)
typedef bool result_type;
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE result_type operator() (const Scalar& a) const { return numext::isNaN(a); }
};
template<typename Scalar>
struct functor_traits<scalar_isNaN_op<Scalar> >
{
enum {
Cost = NumTraits<Scalar>::MulCost,
PacketAccess = false
};
};
/** \internal
* \brief Template functor to compute the isInf of a scalar
* \sa class CwiseUnaryOp, ArrayBase::isInf()
*/
template<typename Scalar> struct scalar_isInf_op {
EIGEN_EMPTY_STRUCT_CTOR(scalar_isInf_op)
typedef bool result_type;
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE result_type operator() (const Scalar& a) const { return numext::isInf(a); }
};
template<typename Scalar>
struct functor_traits<scalar_isInf_op<Scalar> >
{
enum {
Cost = NumTraits<Scalar>::MulCost,
PacketAccess = false
};
};
/** \internal
* \brief Template functor to compute the isFinite of a scalar
* \sa class CwiseUnaryOp, ArrayBase::isFinite()
*/
template<typename Scalar> struct scalar_isFinite_op {
EIGEN_EMPTY_STRUCT_CTOR(scalar_isFinite_op)
typedef bool result_type;
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE result_type operator() (const Scalar& a) const { return numext::isfinite(a); }
};
template<typename Scalar>
struct functor_traits<scalar_isFinite_op<Scalar> >
{
enum {
Cost = NumTraits<Scalar>::MulCost,
PacketAccess = false
};
};
/** \internal
* \brief Template functor to compute the logical not of a boolean
*
* \sa class CwiseUnaryOp, ArrayBase::operator!
*/
template<typename Scalar> struct scalar_boolean_not_op {
EIGEN_EMPTY_STRUCT_CTOR(scalar_boolean_not_op)
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE bool operator() (const bool& a) const { return !a; }
};
template<typename Scalar>
struct functor_traits<scalar_boolean_not_op<Scalar> > {
enum {
Cost = NumTraits<bool>::AddCost,
PacketAccess = false
};
};
} // end namespace internal