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Added zeta function.

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Till Hoffmann
2016-04-01 13:32:29 +01:00
parent af4ef540bf
commit dd5d390daf
9 changed files with 256 additions and 0 deletions
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9
Eigen/src/plugins/ArrayCwiseUnaryOps.h
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@@ -23,6 +23,7 @@ typedef CwiseUnaryOp<internal::scalar_sinh_op<Scalar>, const Derived> SinhReturn
typedef CwiseUnaryOp<internal::scalar_cosh_op<Scalar>, const Derived> CoshReturnType;
typedef CwiseUnaryOp<internal::scalar_lgamma_op<Scalar>, const Derived> LgammaReturnType;
typedef CwiseUnaryOp<internal::scalar_digamma_op<Scalar>, const Derived> DigammaReturnType;
typedef CwiseUnaryOp<internal::scalar_zeta_op<Scalar>, const Derived> ZetaReturnType;
typedef CwiseUnaryOp<internal::scalar_erf_op<Scalar>, const Derived> ErfReturnType;
typedef CwiseUnaryOp<internal::scalar_erfc_op<Scalar>, const Derived> ErfcReturnType;
typedef CwiseUnaryOp<internal::scalar_pow_op<Scalar>, const Derived> PowReturnType;
@@ -329,6 +330,14 @@ digamma() const
return DigammaReturnType(derived());
}
/** \returns an expression of the coefficient-wise zeta function.
*/
inline const ZetaReturnType
zeta() const
{
return ZetaReturnType(derived());
}
/** \returns an expression of the coefficient-wise Gauss error
* function of *this.
*