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https://gitlab.com/libeigen/eigen.git
synced 2026-04-10 11:34:33 +08:00
the Index types change.
As discussed on the list (too long to explain here).
This commit is contained in:
@@ -52,13 +52,14 @@ struct ei_visitor_impl<Visitor, Derived, 1>
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template<typename Visitor, typename Derived>
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struct ei_visitor_impl<Visitor, Derived, Dynamic>
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{
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typedef typename Derived::Index Index;
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inline static void run(const Derived& mat, Visitor& visitor)
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{
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visitor.init(mat.coeff(0,0), 0, 0);
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for(int i = 1; i < mat.rows(); ++i)
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for(Index i = 1; i < mat.rows(); ++i)
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visitor(mat.coeff(i, 0), i, 0);
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for(int j = 1; j < mat.cols(); ++j)
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for(int i = 0; i < mat.rows(); ++i)
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for(Index j = 1; j < mat.cols(); ++j)
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for(Index i = 0; i < mat.rows(); ++i)
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visitor(mat.coeff(i, j), i, j);
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}
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};
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@@ -70,16 +71,16 @@ struct ei_visitor_impl<Visitor, Derived, Dynamic>
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* \code
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* struct MyVisitor {
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* // called for the first coefficient
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* void init(const Scalar& value, int i, int j);
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* void init(const Scalar& value, Index i, Index j);
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* // called for all other coefficients
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* void operator() (const Scalar& value, int i, int j);
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* void operator() (const Scalar& value, Index i, Index j);
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* };
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* \endcode
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*
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* \note compared to one or two \em for \em loops, visitors offer automatic
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* unrolling for small fixed size matrix.
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*
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* \sa minCoeff(int*,int*), maxCoeff(int*,int*), DenseBase::redux()
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* \sa minCoeff(Index*,Index*), maxCoeff(Index*,Index*), DenseBase::redux()
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*/
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template<typename Derived>
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template<typename Visitor>
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@@ -96,12 +97,14 @@ void DenseBase<Derived>::visit(Visitor& visitor) const
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/** \internal
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* \brief Base class to implement min and max visitors
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*/
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template <typename Scalar>
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template <typename Derived>
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struct ei_coeff_visitor
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{
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int row, col;
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typedef typename Derived::Index Index;
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typedef typename Derived::Scalar Scalar;
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Index row, col;
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Scalar res;
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inline void init(const Scalar& value, int i, int j)
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inline void init(const Scalar& value, Index i, Index j)
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{
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res = value;
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row = i;
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@@ -112,12 +115,14 @@ struct ei_coeff_visitor
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/** \internal
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* \brief Visitor computing the min coefficient with its value and coordinates
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*
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* \sa DenseBase::minCoeff(int*, int*)
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* \sa DenseBase::minCoeff(Index*, Index*)
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*/
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template <typename Scalar>
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struct ei_min_coeff_visitor : ei_coeff_visitor<Scalar>
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template <typename Derived>
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struct ei_min_coeff_visitor : ei_coeff_visitor<Derived>
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{
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void operator() (const Scalar& value, int i, int j)
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typedef typename Derived::Index Index;
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typedef typename Derived::Scalar Scalar;
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void operator() (const Scalar& value, Index i, Index j)
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{
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if(value < this->res)
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{
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@@ -138,12 +143,14 @@ struct ei_functor_traits<ei_min_coeff_visitor<Scalar> > {
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/** \internal
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* \brief Visitor computing the max coefficient with its value and coordinates
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*
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* \sa DenseBase::maxCoeff(int*, int*)
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* \sa DenseBase::maxCoeff(Index*, Index*)
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*/
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template <typename Scalar>
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struct ei_max_coeff_visitor : ei_coeff_visitor<Scalar>
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template <typename Derived>
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struct ei_max_coeff_visitor : ei_coeff_visitor<Derived>
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{
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void operator() (const Scalar& value, int i, int j)
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typedef typename Derived::Index Index;
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typedef typename Derived::Scalar Scalar;
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void operator() (const Scalar& value, Index i, Index j)
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{
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if(value > this->res)
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{
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@@ -164,13 +171,13 @@ struct ei_functor_traits<ei_max_coeff_visitor<Scalar> > {
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/** \returns the minimum of all coefficients of *this
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* and puts in *row and *col its location.
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*
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* \sa DenseBase::minCoeff(int*), DenseBase::maxCoeff(int*,int*), DenseBase::visitor(), DenseBase::minCoeff()
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* \sa DenseBase::minCoeff(Index*), DenseBase::maxCoeff(Index*,Index*), DenseBase::visitor(), DenseBase::minCoeff()
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*/
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template<typename Derived>
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typename ei_traits<Derived>::Scalar
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DenseBase<Derived>::minCoeff(int* row, int* col) const
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DenseBase<Derived>::minCoeff(Index* row, Index* col) const
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{
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ei_min_coeff_visitor<Scalar> minVisitor;
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ei_min_coeff_visitor<Derived> minVisitor;
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this->visit(minVisitor);
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*row = minVisitor.row;
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if (col) *col = minVisitor.col;
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@@ -180,14 +187,14 @@ DenseBase<Derived>::minCoeff(int* row, int* col) const
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/** \returns the minimum of all coefficients of *this
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* and puts in *index its location.
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*
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* \sa DenseBase::minCoeff(int*,int*), DenseBase::maxCoeff(int*,int*), DenseBase::visitor(), DenseBase::minCoeff()
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* \sa DenseBase::minCoeff(Index*,Index*), DenseBase::maxCoeff(Index*,Index*), DenseBase::visitor(), DenseBase::minCoeff()
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*/
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template<typename Derived>
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typename ei_traits<Derived>::Scalar
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DenseBase<Derived>::minCoeff(int* index) const
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DenseBase<Derived>::minCoeff(Index* index) const
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{
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EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived)
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ei_min_coeff_visitor<Scalar> minVisitor;
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ei_min_coeff_visitor<Derived> minVisitor;
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this->visit(minVisitor);
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*index = (RowsAtCompileTime==1) ? minVisitor.col : minVisitor.row;
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return minVisitor.res;
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@@ -196,13 +203,13 @@ DenseBase<Derived>::minCoeff(int* index) const
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/** \returns the maximum of all coefficients of *this
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* and puts in *row and *col its location.
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*
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* \sa DenseBase::minCoeff(int*,int*), DenseBase::visitor(), DenseBase::maxCoeff()
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* \sa DenseBase::minCoeff(Index*,Index*), DenseBase::visitor(), DenseBase::maxCoeff()
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*/
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template<typename Derived>
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typename ei_traits<Derived>::Scalar
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DenseBase<Derived>::maxCoeff(int* row, int* col) const
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DenseBase<Derived>::maxCoeff(Index* row, Index* col) const
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{
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ei_max_coeff_visitor<Scalar> maxVisitor;
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ei_max_coeff_visitor<Derived> maxVisitor;
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this->visit(maxVisitor);
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*row = maxVisitor.row;
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if (col) *col = maxVisitor.col;
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@@ -212,14 +219,14 @@ DenseBase<Derived>::maxCoeff(int* row, int* col) const
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/** \returns the maximum of all coefficients of *this
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* and puts in *index its location.
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*
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* \sa DenseBase::maxCoeff(int*,int*), DenseBase::minCoeff(int*,int*), DenseBase::visitor(), DenseBase::maxCoeff()
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* \sa DenseBase::maxCoeff(Index*,Index*), DenseBase::minCoeff(Index*,Index*), DenseBase::visitor(), DenseBase::maxCoeff()
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*/
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template<typename Derived>
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typename ei_traits<Derived>::Scalar
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DenseBase<Derived>::maxCoeff(int* index) const
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DenseBase<Derived>::maxCoeff(Index* index) const
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{
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EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived)
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ei_max_coeff_visitor<Scalar> maxVisitor;
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ei_max_coeff_visitor<Derived> maxVisitor;
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this->visit(maxVisitor);
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*index = (RowsAtCompileTime==1) ? maxVisitor.col : maxVisitor.row;
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return maxVisitor.res;
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