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the Index types change.

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As discussed on the list (too long to explain here).
This commit is contained in:
Benoit Jacob
2010-05-30 16:00:58 -04:00
parent faa3ff3be6
commit aaaade4b3d
158 changed files with 3137 additions and 2878 deletions
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125
Eigen/src/Core/CwiseNullaryOp.h
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@@ -63,7 +63,7 @@ class CwiseNullaryOp : ei_no_assignment_operator,
typedef typename ei_dense_xpr_base<CwiseNullaryOp>::type Base;
EIGEN_DENSE_PUBLIC_INTERFACE(CwiseNullaryOp)
CwiseNullaryOp(int rows, int cols, const NullaryOp& func = NullaryOp())
CwiseNullaryOp(Index rows, Index cols, const NullaryOp& func = NullaryOp())
: m_rows(rows), m_cols(cols), m_functor(func)
{
ei_assert(rows >= 0
@@ -72,34 +72,34 @@ class CwiseNullaryOp : ei_no_assignment_operator,
&& (ColsAtCompileTime == Dynamic || ColsAtCompileTime == cols));
}
EIGEN_STRONG_INLINE int rows() const { return m_rows.value(); }
EIGEN_STRONG_INLINE int cols() const { return m_cols.value(); }
EIGEN_STRONG_INLINE Index rows() const { return m_rows.value(); }
EIGEN_STRONG_INLINE Index cols() const { return m_cols.value(); }
EIGEN_STRONG_INLINE const Scalar coeff(int rows, int cols) const
EIGEN_STRONG_INLINE const Scalar coeff(Index rows, Index cols) const
{
return m_functor(rows, cols);
}
template<int LoadMode>
EIGEN_STRONG_INLINE PacketScalar packet(int row, int col) const
EIGEN_STRONG_INLINE PacketScalar packet(Index row, Index col) const
{
return m_functor.packetOp(row, col);
}
EIGEN_STRONG_INLINE const Scalar coeff(int index) const
EIGEN_STRONG_INLINE const Scalar coeff(Index index) const
{
return m_functor(index);
}
template<int LoadMode>
EIGEN_STRONG_INLINE PacketScalar packet(int index) const
EIGEN_STRONG_INLINE PacketScalar packet(Index index) const
{
return m_functor.packetOp(index);
}
protected:
const ei_int_if_dynamic<RowsAtCompileTime> m_rows;
const ei_int_if_dynamic<ColsAtCompileTime> m_cols;
const ei_variable_if_dynamic<Index, RowsAtCompileTime> m_rows;
const ei_variable_if_dynamic<Index, ColsAtCompileTime> m_cols;
const NullaryOp m_functor;
};
@@ -120,7 +120,7 @@ class CwiseNullaryOp : ei_no_assignment_operator,
template<typename Derived>
template<typename CustomNullaryOp>
EIGEN_STRONG_INLINE const CwiseNullaryOp<CustomNullaryOp, Derived>
DenseBase<Derived>::NullaryExpr(int rows, int cols, const CustomNullaryOp& func)
DenseBase<Derived>::NullaryExpr(Index rows, Index cols, const CustomNullaryOp& func)
{
return CwiseNullaryOp<CustomNullaryOp, Derived>(rows, cols, func);
}
@@ -143,7 +143,7 @@ DenseBase<Derived>::NullaryExpr(int rows, int cols, const CustomNullaryOp& func)
template<typename Derived>
template<typename CustomNullaryOp>
EIGEN_STRONG_INLINE const CwiseNullaryOp<CustomNullaryOp, Derived>
DenseBase<Derived>::NullaryExpr(int size, const CustomNullaryOp& func)
DenseBase<Derived>::NullaryExpr(Index size, const CustomNullaryOp& func)
{
EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived)
if(RowsAtCompileTime == 1) return CwiseNullaryOp<CustomNullaryOp, Derived>(1, size, func);
@@ -182,7 +182,7 @@ DenseBase<Derived>::NullaryExpr(const CustomNullaryOp& func)
*/
template<typename Derived>
EIGEN_STRONG_INLINE const typename DenseBase<Derived>::ConstantReturnType
DenseBase<Derived>::Constant(int rows, int cols, const Scalar& value)
DenseBase<Derived>::Constant(Index rows, Index cols, const Scalar& value)
{
return DenseBase<Derived>::NullaryExpr(rows, cols, ei_scalar_constant_op<Scalar>(value));
}
@@ -204,7 +204,7 @@ DenseBase<Derived>::Constant(int rows, int cols, const Scalar& value)
*/
template<typename Derived>
EIGEN_STRONG_INLINE const typename DenseBase<Derived>::ConstantReturnType
DenseBase<Derived>::Constant(int size, const Scalar& value)
DenseBase<Derived>::Constant(Index size, const Scalar& value)
{
return DenseBase<Derived>::NullaryExpr(size, ei_scalar_constant_op<Scalar>(value));
}
@@ -239,11 +239,11 @@ DenseBase<Derived>::Constant(const Scalar& value)
* Example: \include DenseBase_LinSpaced_seq.cpp
* Output: \verbinclude DenseBase_LinSpaced_seq.out
*
* \sa setLinSpaced(const Scalar&,const Scalar&,int), LinSpaced(Scalar,Scalar,int), CwiseNullaryOp
* \sa setLinSpaced(const Scalar&,const Scalar&,Index), LinSpaced(Scalar,Scalar,Index), CwiseNullaryOp
*/
template<typename Derived>
EIGEN_STRONG_INLINE const typename DenseBase<Derived>::SequentialLinSpacedReturnType
DenseBase<Derived>::LinSpaced(Sequential_t, const Scalar& low, const Scalar& high, int size)
DenseBase<Derived>::LinSpaced(Sequential_t, const Scalar& low, const Scalar& high, Index size)
{
EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived)
return DenseBase<Derived>::NullaryExpr(size, ei_linspaced_op<Scalar,false>(low,high,size));
@@ -259,11 +259,11 @@ DenseBase<Derived>::LinSpaced(Sequential_t, const Scalar& low, const Scalar& hig
* Example: \include DenseBase_LinSpaced.cpp
* Output: \verbinclude DenseBase_LinSpaced.out
*
* \sa setLinSpaced(const Scalar&,const Scalar&,int), LinSpaced(Sequential_t,const Scalar&,const Scalar&,int), CwiseNullaryOp
* \sa setLinSpaced(const Scalar&,const Scalar&,Index), LinSpaced(Sequential_t,const Scalar&,const Scalar&,Index), CwiseNullaryOp
*/
template<typename Derived>
EIGEN_STRONG_INLINE const typename DenseBase<Derived>::RandomAccessLinSpacedReturnType
DenseBase<Derived>::LinSpaced(const Scalar& low, const Scalar& high, int size)
DenseBase<Derived>::LinSpaced(const Scalar& low, const Scalar& high, Index size)
{
EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived)
return DenseBase<Derived>::NullaryExpr(size, ei_linspaced_op<Scalar,true>(low,high,size));
@@ -274,8 +274,8 @@ template<typename Derived>
bool DenseBase<Derived>::isApproxToConstant
(const Scalar& value, RealScalar prec) const
{
for(int j = 0; j < cols(); ++j)
for(int i = 0; i < rows(); ++i)
for(Index j = 0; j < cols(); ++j)
for(Index i = 0; i < rows(); ++i)
if(!ei_isApprox(this->coeff(i, j), value, prec))
return false;
return true;
@@ -303,7 +303,7 @@ EIGEN_STRONG_INLINE void DenseBase<Derived>::fill(const Scalar& value)
/** Sets all coefficients in this expression to \a value.
*
* \sa fill(), setConstant(int,const Scalar&), setConstant(int,int,const Scalar&), setZero(), setOnes(), Constant(), class CwiseNullaryOp, setZero(), setOnes()
* \sa fill(), setConstant(Index,const Scalar&), setConstant(Index,Index,const Scalar&), setZero(), setOnes(), Constant(), class CwiseNullaryOp, setZero(), setOnes()
*/
template<typename Derived>
EIGEN_STRONG_INLINE Derived& DenseBase<Derived>::setConstant(const Scalar& value)
@@ -318,11 +318,11 @@ EIGEN_STRONG_INLINE Derived& DenseBase<Derived>::setConstant(const Scalar& value
* Example: \include Matrix_setConstant_int.cpp
* Output: \verbinclude Matrix_setConstant_int.out
*
* \sa MatrixBase::setConstant(const Scalar&), setConstant(int,int,const Scalar&), class CwiseNullaryOp, MatrixBase::Constant(const Scalar&)
* \sa MatrixBase::setConstant(const Scalar&), setConstant(Index,Index,const Scalar&), class CwiseNullaryOp, MatrixBase::Constant(const Scalar&)
*/
template<typename Derived>
EIGEN_STRONG_INLINE Derived&
DenseStorageBase<Derived>::setConstant(int size, const Scalar& value)
DenseStorageBase<Derived>::setConstant(Index size, const Scalar& value)
{
resize(size);
return setConstant(value);
@@ -336,11 +336,11 @@ DenseStorageBase<Derived>::setConstant(int size, const Scalar& value)
* Example: \include Matrix_setConstant_int_int.cpp
* Output: \verbinclude Matrix_setConstant_int_int.out
*
* \sa MatrixBase::setConstant(const Scalar&), setConstant(int,const Scalar&), class CwiseNullaryOp, MatrixBase::Constant(const Scalar&)
* \sa MatrixBase::setConstant(const Scalar&), setConstant(Index,const Scalar&), class CwiseNullaryOp, MatrixBase::Constant(const Scalar&)
*/
template<typename Derived>
EIGEN_STRONG_INLINE Derived&
DenseStorageBase<Derived>::setConstant(int rows, int cols, const Scalar& value)
DenseStorageBase<Derived>::setConstant(Index rows, Index cols, const Scalar& value)
{
resize(rows, cols);
return setConstant(value);
@@ -359,7 +359,7 @@ DenseStorageBase<Derived>::setConstant(int rows, int cols, const Scalar& value)
* \sa CwiseNullaryOp
*/
template<typename Derived>
EIGEN_STRONG_INLINE Derived& DenseBase<Derived>::setLinSpaced(const Scalar& low, const Scalar& high, int size)
EIGEN_STRONG_INLINE Derived& DenseBase<Derived>::setLinSpaced(const Scalar& low, const Scalar& high, Index size)
{
EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived)
return derived() = Derived::NullaryExpr(size, ei_linspaced_op<Scalar,false>(low,high,size));
@@ -379,11 +379,11 @@ EIGEN_STRONG_INLINE Derived& DenseBase<Derived>::setLinSpaced(const Scalar& low,
* Example: \include MatrixBase_zero_int_int.cpp
* Output: \verbinclude MatrixBase_zero_int_int.out
*
* \sa Zero(), Zero(int)
* \sa Zero(), Zero(Index)
*/
template<typename Derived>
EIGEN_STRONG_INLINE const typename DenseBase<Derived>::ConstantReturnType
DenseBase<Derived>::Zero(int rows, int cols)
DenseBase<Derived>::Zero(Index rows, Index cols)
{
return Constant(rows, cols, Scalar(0));
}
@@ -402,11 +402,11 @@ DenseBase<Derived>::Zero(int rows, int cols)
* Example: \include MatrixBase_zero_int.cpp
* Output: \verbinclude MatrixBase_zero_int.out
*
* \sa Zero(), Zero(int,int)
* \sa Zero(), Zero(Index,Index)
*/
template<typename Derived>
EIGEN_STRONG_INLINE const typename DenseBase<Derived>::ConstantReturnType
DenseBase<Derived>::Zero(int size)
DenseBase<Derived>::Zero(Index size)
{
return Constant(size, Scalar(0));
}
@@ -419,7 +419,7 @@ DenseBase<Derived>::Zero(int size)
* Example: \include MatrixBase_zero.cpp
* Output: \verbinclude MatrixBase_zero.out
*
* \sa Zero(int), Zero(int,int)
* \sa Zero(Index), Zero(Index,Index)
*/
template<typename Derived>
EIGEN_STRONG_INLINE const typename DenseBase<Derived>::ConstantReturnType
@@ -439,8 +439,8 @@ DenseBase<Derived>::Zero()
template<typename Derived>
bool DenseBase<Derived>::isZero(RealScalar prec) const
{
for(int j = 0; j < cols(); ++j)
for(int i = 0; i < rows(); ++i)
for(Index j = 0; j < cols(); ++j)
for(Index i = 0; i < rows(); ++i)
if(!ei_isMuchSmallerThan(this->coeff(i, j), static_cast<Scalar>(1), prec))
return false;
return true;
@@ -466,11 +466,11 @@ EIGEN_STRONG_INLINE Derived& DenseBase<Derived>::setZero()
* Example: \include Matrix_setZero_int.cpp
* Output: \verbinclude Matrix_setZero_int.out
*
* \sa DenseBase::setZero(), setZero(int,int), class CwiseNullaryOp, DenseBase::Zero()
* \sa DenseBase::setZero(), setZero(Index,Index), class CwiseNullaryOp, DenseBase::Zero()
*/
template<typename Derived>
EIGEN_STRONG_INLINE Derived&
DenseStorageBase<Derived>::setZero(int size)
DenseStorageBase<Derived>::setZero(Index size)
{
resize(size);
return setConstant(Scalar(0));
@@ -484,11 +484,11 @@ DenseStorageBase<Derived>::setZero(int size)
* Example: \include Matrix_setZero_int_int.cpp
* Output: \verbinclude Matrix_setZero_int_int.out
*
* \sa DenseBase::setZero(), setZero(int), class CwiseNullaryOp, DenseBase::Zero()
* \sa DenseBase::setZero(), setZero(Index), class CwiseNullaryOp, DenseBase::Zero()
*/
template<typename Derived>
EIGEN_STRONG_INLINE Derived&
DenseStorageBase<Derived>::setZero(int rows, int cols)
DenseStorageBase<Derived>::setZero(Index rows, Index cols)
{
resize(rows, cols);
return setConstant(Scalar(0));
@@ -508,11 +508,11 @@ DenseStorageBase<Derived>::setZero(int rows, int cols)
* Example: \include MatrixBase_ones_int_int.cpp
* Output: \verbinclude MatrixBase_ones_int_int.out
*
* \sa Ones(), Ones(int), isOnes(), class Ones
* \sa Ones(), Ones(Index), isOnes(), class Ones
*/
template<typename Derived>
EIGEN_STRONG_INLINE const typename DenseBase<Derived>::ConstantReturnType
DenseBase<Derived>::Ones(int rows, int cols)
DenseBase<Derived>::Ones(Index rows, Index cols)
{
return Constant(rows, cols, Scalar(1));
}
@@ -531,11 +531,11 @@ DenseBase<Derived>::Ones(int rows, int cols)
* Example: \include MatrixBase_ones_int.cpp
* Output: \verbinclude MatrixBase_ones_int.out
*
* \sa Ones(), Ones(int,int), isOnes(), class Ones
* \sa Ones(), Ones(Index,Index), isOnes(), class Ones
*/
template<typename Derived>
EIGEN_STRONG_INLINE const typename DenseBase<Derived>::ConstantReturnType
DenseBase<Derived>::Ones(int size)
DenseBase<Derived>::Ones(Index size)
{
return Constant(size, Scalar(1));
}
@@ -548,7 +548,7 @@ DenseBase<Derived>::Ones(int size)
* Example: \include MatrixBase_ones.cpp
* Output: \verbinclude MatrixBase_ones.out
*
* \sa Ones(int), Ones(int,int), isOnes(), class Ones
* \sa Ones(Index), Ones(Index,Index), isOnes(), class Ones
*/
template<typename Derived>
EIGEN_STRONG_INLINE const typename DenseBase<Derived>::ConstantReturnType
@@ -592,11 +592,11 @@ EIGEN_STRONG_INLINE Derived& DenseBase<Derived>::setOnes()
* Example: \include Matrix_setOnes_int.cpp
* Output: \verbinclude Matrix_setOnes_int.out
*
* \sa MatrixBase::setOnes(), setOnes(int,int), class CwiseNullaryOp, MatrixBase::Ones()
* \sa MatrixBase::setOnes(), setOnes(Index,Index), class CwiseNullaryOp, MatrixBase::Ones()
*/
template<typename Derived>
EIGEN_STRONG_INLINE Derived&
DenseStorageBase<Derived>::setOnes(int size)
DenseStorageBase<Derived>::setOnes(Index size)
{
resize(size);
return setConstant(Scalar(1));
@@ -610,11 +610,11 @@ DenseStorageBase<Derived>::setOnes(int size)
* Example: \include Matrix_setOnes_int_int.cpp
* Output: \verbinclude Matrix_setOnes_int_int.out
*
* \sa MatrixBase::setOnes(), setOnes(int), class CwiseNullaryOp, MatrixBase::Ones()
* \sa MatrixBase::setOnes(), setOnes(Index), class CwiseNullaryOp, MatrixBase::Ones()
*/
template<typename Derived>
EIGEN_STRONG_INLINE Derived&
DenseStorageBase<Derived>::setOnes(int rows, int cols)
DenseStorageBase<Derived>::setOnes(Index rows, Index cols)
{
resize(rows, cols);
return setConstant(Scalar(1));
@@ -638,7 +638,7 @@ DenseStorageBase<Derived>::setOnes(int rows, int cols)
*/
template<typename Derived>
EIGEN_STRONG_INLINE const typename MatrixBase<Derived>::IdentityReturnType
MatrixBase<Derived>::Identity(int rows, int cols)
MatrixBase<Derived>::Identity(Index rows, Index cols)
{
return DenseBase<Derived>::NullaryExpr(rows, cols, ei_scalar_identity_op<Scalar>());
}
@@ -651,7 +651,7 @@ MatrixBase<Derived>::Identity(int rows, int cols)
* Example: \include MatrixBase_identity.cpp
* Output: \verbinclude MatrixBase_identity.out
*
* \sa Identity(int,int), setIdentity(), isIdentity()
* \sa Identity(Index,Index), setIdentity(), isIdentity()
*/
template<typename Derived>
EIGEN_STRONG_INLINE const typename MatrixBase<Derived>::IdentityReturnType
@@ -668,15 +668,15 @@ MatrixBase<Derived>::Identity()
* Example: \include MatrixBase_isIdentity.cpp
* Output: \verbinclude MatrixBase_isIdentity.out
*
* \sa class CwiseNullaryOp, Identity(), Identity(int,int), setIdentity()
* \sa class CwiseNullaryOp, Identity(), Identity(Index,Index), setIdentity()
*/
template<typename Derived>
bool MatrixBase<Derived>::isIdentity
(RealScalar prec) const
{
for(int j = 0; j < cols(); ++j)
for(Index j = 0; j < cols(); ++j)
{
for(int i = 0; i < rows(); ++i)
for(Index i = 0; i < rows(); ++i)
{
if(i == j)
{
@@ -705,11 +705,12 @@ struct ei_setIdentity_impl
template<typename Derived>
struct ei_setIdentity_impl<Derived, true>
{
typedef typename Derived::Index Index;
static EIGEN_STRONG_INLINE Derived& run(Derived& m)
{
m.setZero();
const int size = std::min(m.rows(), m.cols());
for(int i = 0; i < size; ++i) m.coeffRef(i,i) = typename Derived::Scalar(1);
const Index size = std::min(m.rows(), m.cols());
for(Index i = 0; i < size; ++i) m.coeffRef(i,i) = typename Derived::Scalar(1);
return m;
}
};
@@ -719,7 +720,7 @@ struct ei_setIdentity_impl<Derived, true>
* Example: \include MatrixBase_setIdentity.cpp
* Output: \verbinclude MatrixBase_setIdentity.out
*
* \sa class CwiseNullaryOp, Identity(), Identity(int,int), isIdentity()
* \sa class CwiseNullaryOp, Identity(), Identity(Index,Index), isIdentity()
*/
template<typename Derived>
EIGEN_STRONG_INLINE Derived& MatrixBase<Derived>::setIdentity()
@@ -738,7 +739,7 @@ EIGEN_STRONG_INLINE Derived& MatrixBase<Derived>::setIdentity()
* \sa MatrixBase::setIdentity(), class CwiseNullaryOp, MatrixBase::Identity()
*/
template<typename Derived>
EIGEN_STRONG_INLINE Derived& MatrixBase<Derived>::setIdentity(int rows, int cols)
EIGEN_STRONG_INLINE Derived& MatrixBase<Derived>::setIdentity(Index rows, Index cols)
{
derived().resize(rows, cols);
return setIdentity();
@@ -748,10 +749,10 @@ EIGEN_STRONG_INLINE Derived& MatrixBase<Derived>::setIdentity(int rows, int cols
*
* \only_for_vectors
*
* \sa MatrixBase::Unit(int), MatrixBase::UnitX(), MatrixBase::UnitY(), MatrixBase::UnitZ(), MatrixBase::UnitW()
* \sa MatrixBase::Unit(Index), MatrixBase::UnitX(), MatrixBase::UnitY(), MatrixBase::UnitZ(), MatrixBase::UnitW()
*/
template<typename Derived>
EIGEN_STRONG_INLINE const typename MatrixBase<Derived>::BasisReturnType MatrixBase<Derived>::Unit(int size, int i)
EIGEN_STRONG_INLINE const typename MatrixBase<Derived>::BasisReturnType MatrixBase<Derived>::Unit(Index size, Index i)
{
EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived)
return BasisReturnType(SquareMatrixType::Identity(size,size), i);
@@ -763,10 +764,10 @@ EIGEN_STRONG_INLINE const typename MatrixBase<Derived>::BasisReturnType MatrixBa
*
* This variant is for fixed-size vector only.
*
* \sa MatrixBase::Unit(int,int), MatrixBase::UnitX(), MatrixBase::UnitY(), MatrixBase::UnitZ(), MatrixBase::UnitW()
* \sa MatrixBase::Unit(Index,Index), MatrixBase::UnitX(), MatrixBase::UnitY(), MatrixBase::UnitZ(), MatrixBase::UnitW()
*/
template<typename Derived>
EIGEN_STRONG_INLINE const typename MatrixBase<Derived>::BasisReturnType MatrixBase<Derived>::Unit(int i)
EIGEN_STRONG_INLINE const typename MatrixBase<Derived>::BasisReturnType MatrixBase<Derived>::Unit(Index i)
{
EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived)
return BasisReturnType(SquareMatrixType::Identity(),i);
@@ -776,7 +777,7 @@ EIGEN_STRONG_INLINE const typename MatrixBase<Derived>::BasisReturnType MatrixBa
*
* \only_for_vectors
*
* \sa MatrixBase::Unit(int,int), MatrixBase::Unit(int), MatrixBase::UnitY(), MatrixBase::UnitZ(), MatrixBase::UnitW()
* \sa MatrixBase::Unit(Index,Index), MatrixBase::Unit(Index), MatrixBase::UnitY(), MatrixBase::UnitZ(), MatrixBase::UnitW()
*/
template<typename Derived>
EIGEN_STRONG_INLINE const typename MatrixBase<Derived>::BasisReturnType MatrixBase<Derived>::UnitX()
@@ -786,7 +787,7 @@ EIGEN_STRONG_INLINE const typename MatrixBase<Derived>::BasisReturnType MatrixBa
*
* \only_for_vectors
*
* \sa MatrixBase::Unit(int,int), MatrixBase::Unit(int), MatrixBase::UnitY(), MatrixBase::UnitZ(), MatrixBase::UnitW()
* \sa MatrixBase::Unit(Index,Index), MatrixBase::Unit(Index), MatrixBase::UnitY(), MatrixBase::UnitZ(), MatrixBase::UnitW()
*/
template<typename Derived>
EIGEN_STRONG_INLINE const typename MatrixBase<Derived>::BasisReturnType MatrixBase<Derived>::UnitY()
@@ -796,7 +797,7 @@ EIGEN_STRONG_INLINE const typename MatrixBase<Derived>::BasisReturnType MatrixBa
*
* \only_for_vectors
*
* \sa MatrixBase::Unit(int,int), MatrixBase::Unit(int), MatrixBase::UnitY(), MatrixBase::UnitZ(), MatrixBase::UnitW()
* \sa MatrixBase::Unit(Index,Index), MatrixBase::Unit(Index), MatrixBase::UnitY(), MatrixBase::UnitZ(), MatrixBase::UnitW()
*/
template<typename Derived>
EIGEN_STRONG_INLINE const typename MatrixBase<Derived>::BasisReturnType MatrixBase<Derived>::UnitZ()
@@ -806,7 +807,7 @@ EIGEN_STRONG_INLINE const typename MatrixBase<Derived>::BasisReturnType MatrixBa
*
* \only_for_vectors
*
* \sa MatrixBase::Unit(int,int), MatrixBase::Unit(int), MatrixBase::UnitY(), MatrixBase::UnitZ(), MatrixBase::UnitW()
* \sa MatrixBase::Unit(Index,Index), MatrixBase::Unit(Index), MatrixBase::UnitY(), MatrixBase::UnitZ(), MatrixBase::UnitW()
*/
template<typename Derived>
EIGEN_STRONG_INLINE const typename MatrixBase<Derived>::BasisReturnType MatrixBase<Derived>::UnitW()