devtools/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2026-04-10 11:34:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

add tan function in Array world

Browse Source
This commit is contained in:
Jason Newton
2011-02-03 14:34:40 +01:00
parent 1eae6d0fb9
commit d028262e06
4 changed files with 40 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
Eigen/src/Core/Functors.h
View File

@@ -705,6 +705,26 @@ struct functor_traits<scalar_sin_op<Scalar> >
};
};
/** \internal
* \brief Template functor to compute the tan of a scalar
* \sa class CwiseUnaryOp, Cwise::tan()
*/
template<typename Scalar> struct scalar_tan_op {
EIGEN_EMPTY_STRUCT_CTOR(scalar_tan_op)
inline const Scalar operator() (const Scalar& a) const { return tan(a); }
typedef typename packet_traits<Scalar>::type Packet;
inline Packet packetOp(const Packet& a) const { return internal::ptan(a); }
};
template<typename Scalar>
struct functor_traits<scalar_tan_op<Scalar> >
{
enum {
Cost = 5 * NumTraits<Scalar>::MulCost,
PacketAccess = packet_traits<Scalar>::HasTan
};
};
/** \internal
* \brief Template functor to raise a scalar to a power
* \sa class CwiseUnaryOp, Cwise::pow

4
Eigen/src/Core/GenericPacketMath.h
View File

@@ -237,6 +237,10 @@ Packet psin(const Packet& a) { return sin(a); }
template<typename Packet> EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
Packet pcos(const Packet& a) { return cos(a); }
/** \internal \returns the tan of \a a (coeff-wise) */
template<typename Packet> EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
Packet ptan(const Packet& a) { return tan(a); }
/** \internal \returns the exp of \a a (coeff-wise) */
template<typename Packet> EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
Packet pexp(const Packet& a) { return exp(a); }