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Add the following functions:

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DenseBase::setZero(NoChange_t, Index)
  DenseBase::setZero(Index, NoChange_t)
  DenseBase::setOnes(NoChange_t, Index)
  DenseBase::setOnes(Index, NoChange_t)
  DenseBase::setRandom(NoChange_t, Index)
  DenseBase::setRandom(Index, NoChange_t)

This closes #663.
This commit is contained in:
David Tellenbach 2021-01-28 01:10:36 +01:00
parent 0668c68b03
commit 598e1b6e54
3 changed files with 94 additions and 0 deletions
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52
Eigen/src/Core/CwiseNullaryOp.h
View File

@ -556,6 +556,32 @@ PlainObjectBase<Derived>::setZero(Index rows, Index cols)
return setConstant(Scalar(0));
}
/** Resizes to the given size, changing only the number of columns, and sets all
* coefficients in this expression to zero. For the parameter of type NoChange_t,
* just pass the special value \c NoChange.
*
* \sa DenseBase::setZero(), setZero(Index), setZero(Index, Index), setZero(Index, NoChange_t), class CwiseNullaryOp, DenseBase::Zero()
*/
template<typename Derived>
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Derived&
PlainObjectBase<Derived>::setZero(NoChange_t, Index cols)
{
return setZero(rows(), cols);
}
/** Resizes to the given size, changing only the number of rows, and sets all
* coefficients in this expression to zero. For the parameter of type NoChange_t,
* just pass the special value \c NoChange.
*
* \sa DenseBase::setZero(), setZero(Index), setZero(Index, Index), setZero(NoChange_t, Index), class CwiseNullaryOp, DenseBase::Zero()
*/
template<typename Derived>
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Derived&
PlainObjectBase<Derived>::setZero(Index rows, NoChange_t)
{
return setZero(rows, cols());
}
// ones:
/** \returns an expression of a matrix where all coefficients equal one.
@ -682,6 +708,32 @@ PlainObjectBase<Derived>::setOnes(Index rows, Index cols)
return setConstant(Scalar(1));
}
/** Resizes to the given size, changing only the number of rows, and sets all
* coefficients in this expression to one. For the parameter of type NoChange_t,
* just pass the special value \c NoChange.
*
* \sa MatrixBase::setOnes(), setOnes(Index), setOnes(Index, Index), setOnes(NoChange_t, Index), class CwiseNullaryOp, MatrixBase::Ones()
*/
template<typename Derived>
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Derived&
PlainObjectBase<Derived>::setOnes(Index rows, NoChange_t)
{
return setOnes(rows, cols());
}
/** Resizes to the given size, changing only the number of columns, and sets all
* coefficients in this expression to one. For the parameter of type NoChange_t,
* just pass the special value \c NoChange.
*
* \sa MatrixBase::setOnes(), setOnes(Index), setOnes(Index, Index), setOnes(Index, NoChange_t) class CwiseNullaryOp, MatrixBase::Ones()
*/
template<typename Derived>
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Derived&
PlainObjectBase<Derived>::setOnes(NoChange_t, Index cols)
{
return setOnes(rows(), cols);
}
// Identity:
/** \returns an expression of the identity matrix (not necessarily square).

6
Eigen/src/Core/PlainObjectBase.h
View File

@ -721,14 +721,20 @@ class PlainObjectBase : public internal::dense_xpr_base<Derived>::type
using Base::setZero;
EIGEN_DEVICE_FUNC Derived& setZero(Index size);
EIGEN_DEVICE_FUNC Derived& setZero(Index rows, Index cols);
EIGEN_DEVICE_FUNC Derived& setZero(NoChange_t, Index cols);
EIGEN_DEVICE_FUNC Derived& setZero(Index rows, NoChange_t);
using Base::setOnes;
EIGEN_DEVICE_FUNC Derived& setOnes(Index size);
EIGEN_DEVICE_FUNC Derived& setOnes(Index rows, Index cols);
EIGEN_DEVICE_FUNC Derived& setOnes(NoChange_t, Index cols);
EIGEN_DEVICE_FUNC Derived& setOnes(Index rows, NoChange_t);
using Base::setRandom;
Derived& setRandom(Index size);
Derived& setRandom(Index rows, Index cols);
Derived& setRandom(NoChange_t, Index cols);
Derived& setRandom(Index rows, NoChange_t);
#ifdef EIGEN_PLAINOBJECTBASE_PLUGIN
#include EIGEN_PLAINOBJECTBASE_PLUGIN

36
Eigen/src/Core/Random.h
View File

@ -177,6 +177,42 @@ PlainObjectBase<Derived>::setRandom(Index rows, Index cols)
return setRandom();
}
/** Resizes to the given size, changing only the number of columns, and sets all
* coefficients in this expression to random values. For the parameter of type
* NoChange_t, just pass the special value \c NoChange.
*
* Numbers are uniformly spread through their whole definition range for integer types,
* and in the [-1:1] range for floating point scalar types.
*
* \not_reentrant
*
* \sa DenseBase::setRandom(), setRandom(Index), setRandom(Index, NoChange_t), class CwiseNullaryOp, DenseBase::Random()
*/
template<typename Derived>
EIGEN_STRONG_INLINE Derived&
PlainObjectBase<Derived>::setRandom(NoChange_t, Index cols)
{
return setRandom(rows(), cols);
}
/** Resizes to the given size, changing only the number of rows, and sets all
* coefficients in this expression to random values. For the parameter of type
* NoChange_t, just pass the special value \c NoChange.
*
* Numbers are uniformly spread through their whole definition range for integer types,
* and in the [-1:1] range for floating point scalar types.
*
* \not_reentrant
*
* \sa DenseBase::setRandom(), setRandom(Index), setRandom(NoChange_t, Index), class CwiseNullaryOp, DenseBase::Random()
*/
template<typename Derived>
EIGEN_STRONG_INLINE Derived&
PlainObjectBase<Derived>::setRandom(Index rows, NoChange_t)
{
return setRandom(rows, cols());
}
} // end namespace Eigen
#endif // EIGEN_RANDOM_H