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Generalize expr.pow(scalar), pow(expr,scalar) and pow(scalar,expr).

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Internal: scalar_pow_op (unary) is removed, and scalar_binary_pow_op is renamed scalar_pow_op.
This commit is contained in:
Gael Guennebaud
2016-06-14 14:10:07 +02:00
parent a9bb653a68
commit 396d9cfb6e
7 changed files with 118 additions and 73 deletions
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21
Eigen/src/plugins/ArrayCwiseBinaryOps.h
View File

@@ -82,7 +82,26 @@ max
* Example: \include Cwise_array_power_array.cpp
* Output: \verbinclude Cwise_array_power_array.out
*/
EIGEN_MAKE_CWISE_BINARY_OP(pow,binary_pow)
EIGEN_MAKE_CWISE_BINARY_OP(pow,pow)
#ifndef EIGEN_PARSED_BY_DOXYGEN
EIGEN_MAKE_SCALAR_BINARY_OP_ONTHERIGHT(pow,pow);
#else
/** \returns an expression of the coefficients of \c *this rasied to the constant power \a exponent
*
* \tparam T is the scalar type of \a exponent. It must be compatible with the scalar type of the given expression.
*
* This function computes the coefficient-wise power. The function MatrixBase::pow() in the
* unsupported module MatrixFunctions computes the matrix power.
*
* Example: \include Cwise_pow.cpp
* Output: \verbinclude Cwise_pow.out
*
* \sa ArrayBase::pow(ArrayBase), square(), cube(), exp(), log()
*/
template<typename T>
const CwiseBinaryOp<internal::scalar_pow_op<Scalar,T>,Derived,Constant<Scalar> > pow(const T& exponent) const;
#endif
// TODO code generating macros could be moved to Macros.h and could include generation of documentation

19
Eigen/src/plugins/ArrayCwiseUnaryOps.h
View File

@@ -26,7 +26,6 @@ typedef CwiseUnaryOp<internal::scalar_lgamma_op<Scalar>, const Derived> LgammaRe
typedef CwiseUnaryOp<internal::scalar_digamma_op<Scalar>, const Derived> DigammaReturnType;
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;
typedef CwiseUnaryOp<internal::scalar_square_op<Scalar>, const Derived> SquareReturnType;
typedef CwiseUnaryOp<internal::scalar_cube_op<Scalar>, const Derived> CubeReturnType;
typedef CwiseUnaryOp<internal::scalar_round_op<Scalar>, const Derived> RoundReturnType;
@@ -388,24 +387,6 @@ erfc() const
return ErfcReturnType(derived());
}
/** \returns an expression of the coefficient-wise power of *this to the given exponent.
*
* This function computes the coefficient-wise power. The function MatrixBase::pow() in the
* unsupported module MatrixFunctions computes the matrix power.
*
* Example: \include Cwise_pow.cpp
* Output: \verbinclude Cwise_pow.out
*
* \sa exp(), log()
*/
EIGEN_DEVICE_FUNC
inline const PowReturnType
pow(const Scalar& exponent) const
{
return PowReturnType(derived(), internal::scalar_pow_op<Scalar>(exponent));
}
/** \returns an expression of the coefficient-wise inverse of *this.
*
* Example: \include Cwise_inverse.cpp