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Add support for inverse hyperbolic functions.

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Fix cost of division.
This commit is contained in:
Rasmus Munk Larsen
2019-01-11 17:45:37 -08:00
parent a49d01edba
commit 28ba1b2c32
5 changed files with 114 additions and 4 deletions
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42
Eigen/src/plugins/ArrayCwiseUnaryOps.h
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@@ -23,6 +23,11 @@ typedef CwiseUnaryOp<internal::scalar_atan_op<Scalar>, const Derived> AtanReturn
typedef CwiseUnaryOp<internal::scalar_tanh_op<Scalar>, const Derived> TanhReturnType;
typedef CwiseUnaryOp<internal::scalar_logistic_op<Scalar>, const Derived> LogisticReturnType;
typedef CwiseUnaryOp<internal::scalar_sinh_op<Scalar>, const Derived> SinhReturnType;
#if EIGEN_HAS_CXX11_MATH
typedef CwiseUnaryOp<internal::scalar_atanh_op<Scalar>, const Derived> AtanhReturnType;
typedef CwiseUnaryOp<internal::scalar_asinh_op<Scalar>, const Derived> AsinhReturnType;
typedef CwiseUnaryOp<internal::scalar_acosh_op<Scalar>, const Derived> AcoshReturnType;
#endif
typedef CwiseUnaryOp<internal::scalar_cosh_op<Scalar>, const Derived> CoshReturnType;
typedef CwiseUnaryOp<internal::scalar_square_op<Scalar>, const Derived> SquareReturnType;
typedef CwiseUnaryOp<internal::scalar_cube_op<Scalar>, const Derived> CubeReturnType;
@@ -327,7 +332,7 @@ sinh() const
* Example: \include Cwise_cosh.cpp
* Output: \verbinclude Cwise_cosh.out
*
* \sa <a href="group__CoeffwiseMathFunctions.html#cwisetable_cosh">Math functions</a>, tan(), sinh(), cosh()
* \sa <a href="group__CoeffwiseMathFunctions.html#cwisetable_cosh">Math functions</a>, tanh(), sinh(), cosh()
*/
EIGEN_DEVICE_FUNC
inline const CoshReturnType
@@ -336,6 +341,41 @@ cosh() const
return CoshReturnType(derived());
}
#if EIGEN_HAS_CXX11_MATH
/** \returns an expression of the coefficient-wise inverse hyperbolic tan of *this.
*
* \sa <a href="group__CoeffwiseMathFunctions.html#cwisetable_atanh">Math functions</a>, atanh(), asinh(), acosh()
*/
EIGEN_DEVICE_FUNC
inline const AtanhReturnType
atanh() const
{
return AtanhReturnType(derived());
}
/** \returns an expression of the coefficient-wise inverse hyperbolic sin of *this.
*
* \sa <a href="group__CoeffwiseMathFunctions.html#cwisetable_asinh">Math functions</a>, atanh(), asinh(), acosh()
*/
EIGEN_DEVICE_FUNC
inline const AsinhReturnType
asinh() const
{
return AsinhReturnType(derived());
}
/** \returns an expression of the coefficient-wise inverse hyperbolic cos of *this.
*
* \sa <a href="group__CoeffwiseMathFunctions.html#cwisetable_acosh">Math functions</a>, atanh(), asinh(), acosh()
*/
EIGEN_DEVICE_FUNC
inline const AcoshReturnType
acosh() const
{
return AcoshReturnType(derived());
}
#endif
/** \returns an expression of the coefficient-wise logistic of *this.
*/
EIGEN_DEVICE_FUNC