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Add exp2() as a packet op and array method.

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This commit is contained in:
Rasmus Munk Larsen
2024-10-22 22:09:34 +00:00
parent 4e5136d239
commit 3f067c4850
15 changed files with 193 additions and 52 deletions
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13
Eigen/src/plugins/ArrayCwiseUnaryOps.inc
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@@ -11,6 +11,7 @@ typedef CwiseUnaryOp<internal::scalar_boolean_not_op<Scalar>, const Derived> Boo
typedef CwiseUnaryOp<internal::scalar_bitwise_not_op<Scalar>, const Derived> BitwiseNotReturnType;
typedef CwiseUnaryOp<internal::scalar_exp_op<Scalar>, const Derived> ExpReturnType;
typedef CwiseUnaryOp<internal::scalar_exp2_op<Scalar>, const Derived> Exp2ReturnType;
typedef CwiseUnaryOp<internal::scalar_expm1_op<Scalar>, const Derived> Expm1ReturnType;
typedef CwiseUnaryOp<internal::scalar_log_op<Scalar>, const Derived> LogReturnType;
typedef CwiseUnaryOp<internal::scalar_log1p_op<Scalar>, const Derived> Log1pReturnType;
@@ -78,10 +79,20 @@ EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE const Abs2ReturnType abs2() const { return
* Example: \include Cwise_exp.cpp
* Output: \verbinclude Cwise_exp.out
*
* \sa <a href="group__CoeffwiseMathFunctions.html#cwisetable_exp">Math functions</a>, pow(), log(), sin(), cos()
* \sa <a href="group__CoeffwiseMathFunctions.html#cwisetable_exp">Math functions</a>, exp2(), pow(), log(), sin(),
* cos()
*/
EIGEN_DEVICE_FUNC inline const ExpReturnType exp() const { return ExpReturnType(derived()); }
/** \returns an expression of the coefficient-wise exponential of *this.
*
* This function computes the coefficient-wise base2 exponential, i.e. 2^x.
*
* \sa <a href="group__CoeffwiseMathFunctions.html#cwisetable_exp">Math functions</a>, exp(), pow(), log(), sin(),
* cos()
*/
EIGEN_DEVICE_FUNC inline const Exp2ReturnType exp2() const { return Exp2ReturnType(derived()); }
/** \returns an expression of the coefficient-wise exponential of *this minus 1.
*
* In exact arithmetic, \c x.expm1() is equivalent to \c x.exp() - 1,