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Remove useless and non standard numext::atanh2 function.

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This commit is contained in:
Gael Guennebaud 2014-12-08 16:44:34 +01:00
parent 5fc4ce6449
commit 4371911861
1 changed files with 0 additions and 38 deletions
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38
Eigen/src/Core/MathFunctions.h
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@ -708,44 +708,6 @@ inline int log2(int x)
} // end namespace numext
namespace internal {
/****************************************************************************
* Implementation of atanh2 *
****************************************************************************/
template<typename Scalar>
struct atanh2_impl
{
static inline Scalar run(const Scalar& x, const Scalar& r)
{
EIGEN_STATIC_ASSERT_NON_INTEGER(Scalar)
typedef typename NumTraits<Scalar>::Real RealScalar;
return numext::log1p(RealScalar(2) * x / (r - x)) / RealScalar(2);
}
};
template<typename Scalar>
struct atanh2_retval
{
typedef Scalar type;
};
} // end namespace internal
namespace numext {
template<typename Scalar>
EIGEN_DEVICE_FUNC
inline EIGEN_MATHFUNC_RETVAL(atanh2, Scalar) atanh2(const Scalar& x, const Scalar& y)
{
return EIGEN_MATHFUNC_IMPL(atanh2, Scalar)::run(x, y);
}
} // end namespace numext
namespace internal {
/****************************************************************************