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Add log10 array support

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This commit is contained in:
Deanna Hood 2015-03-11 08:56:42 +10:00
parent 19a71056ae
commit a5e49976f5
6 changed files with 44 additions and 0 deletions
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1
Eigen/src/Core/Assign_MKL.h
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@ -206,6 +206,7 @@ EIGEN_MKL_VML_DECLARE_UNARY_CALLS_LA(atan, Atan)
EIGEN_MKL_VML_DECLARE_UNARY_CALLS_LA(arg, Arg)
EIGEN_MKL_VML_DECLARE_UNARY_CALLS_LA(exp, Exp)
EIGEN_MKL_VML_DECLARE_UNARY_CALLS_LA(log, Ln)
EIGEN_MKL_VML_DECLARE_UNARY_CALLS_LA(log10, Log10)
EIGEN_MKL_VML_DECLARE_UNARY_CALLS_LA(sqrt, Sqrt)
EIGEN_MKL_VML_DECLARE_UNARY_CALLS_LA(round, Round)
EIGEN_MKL_VML_DECLARE_UNARY_CALLS_LA(floor, Floor)

5
Eigen/src/Core/GenericPacketMath.h
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@ -61,6 +61,7 @@ struct default_packet_traits
HasSqrt = 0,
HasExp = 0,
HasLog = 0,
HasLog10 = 0,
HasPow = 0,
HasSin = 0,
@ -359,6 +360,10 @@ Packet pexp(const Packet& a) { using std::exp; return exp(a); }
template<typename Packet> EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
Packet plog(const Packet& a) { using std::log; return log(a); }
/** \internal \returns the log10 of \a a (coeff-wise) */
template<typename Packet> EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
Packet plog10(const Packet& a) { using std::log10; return log10(a); }
/** \internal \returns the square-root of \a a (coeff-wise) */
template<typename Packet> EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
Packet psqrt(const Packet& a) { using std::sqrt; return sqrt(a); }

1
Eigen/src/Core/GlobalFunctions.h
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@ -48,6 +48,7 @@ namespace Eigen
EIGEN_ARRAY_DECLARE_GLOBAL_UNARY(atan,scalar_atan_op)
EIGEN_ARRAY_DECLARE_GLOBAL_UNARY(exp,scalar_exp_op)
EIGEN_ARRAY_DECLARE_GLOBAL_UNARY(log,scalar_log_op)
EIGEN_ARRAY_DECLARE_GLOBAL_UNARY(log10,scalar_log10_op)
EIGEN_ARRAY_DECLARE_GLOBAL_UNARY(abs,scalar_abs_op)
EIGEN_ARRAY_DECLARE_GLOBAL_UNARY(arg,scalar_arg_op)
EIGEN_ARRAY_DECLARE_GLOBAL_UNARY(sqrt,scalar_sqrt_op)

15
Eigen/src/Core/functors/UnaryFunctors.h
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@ -254,6 +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

17
Eigen/src/plugins/ArrayCwiseUnaryOps.h
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@ -8,6 +8,7 @@ typedef CwiseUnaryOp<internal::scalar_inverse_op<Scalar>, const Derived> Inverse
typedef CwiseUnaryOp<internal::scalar_exp_op<Scalar>, const Derived> ExpReturnType;
typedef CwiseUnaryOp<internal::scalar_log_op<Scalar>, const Derived> LogReturnType;
typedef CwiseUnaryOp<internal::scalar_log10_op<Scalar>, const Derived> Log10ReturnType;
typedef CwiseUnaryOp<internal::scalar_cos_op<Scalar>, const Derived> CosReturnType;
typedef CwiseUnaryOp<internal::scalar_sin_op<Scalar>, const Derived> SinReturnType;
typedef CwiseUnaryOp<internal::scalar_acos_op<Scalar>, const Derived> AcosReturnType;
@ -99,6 +100,22 @@ log() const
return LogReturnType(derived());
}
/** \returns an expression of the coefficient-wise base-10 logarithm of *this.
*
* This function computes the coefficient-wise base-10 logarithm.
*
* Example: \include Cwise_log10.cpp
* Output: \verbinclude Cwise_log10.out
*
* \sa log()
*/
EIGEN_DEVICE_FUNC
inline const Log10ReturnType
log10() const
{
return Log10ReturnType(derived());
}
/** \returns an expression of the coefficient-wise square root of *this.
*
* This function computes the coefficient-wise square root. The function MatrixBase::sqrt() in the

5
test/array.cpp
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@ -204,6 +204,9 @@ template<typename ArrayType> void array_real(const ArrayType& m)
VERIFY_IS_APPROX(m1.acos(), acos(m1));
VERIFY_IS_APPROX(m1.tan(), tan(m1));
VERIFY_IS_APPROX(m1.atan(), atan(m1));
VERIFY_IS_APPROX(m1.log(), log(m1));
VERIFY_IS_APPROX(m1.log10(), log10(m1));
VERIFY_IS_APPROX(m1.arg(), arg(m1));
VERIFY_IS_APPROX(m1.round(), round(m1));
VERIFY_IS_APPROX(m1.floor(), floor(m1));
VERIFY_IS_APPROX(m1.ceil(), ceil(m1));
@ -269,6 +272,8 @@ template<typename ArrayType> void array_complex(const ArrayType& m)
VERIFY_IS_APPROX(m1.sqrt(), m2);
VERIFY_IS_APPROX(m1.sqrt(), Eigen::sqrt(m1));
VERIFY_IS_APPROX(m1.log(), log(m1));
VERIFY_IS_APPROX(m1.log10(), log10(m1));
VERIFY_IS_APPROX(m1.arg(), arg(m1));
VERIFY_IS_APPROX(m1.round(), round(m1));
VERIFY_IS_APPROX(m1.floor(), floor(m1));