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- /*
- Copyright 2008 Intel Corporation
- Use, modification and distribution are subject to the Boost Software License,
- Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
- http://www.boost.org/LICENSE_1_0.txt).
- */
- #ifndef BOOST_POLYGON_POLYGON_90_SET_VIEW_HPP
- #define BOOST_POLYGON_POLYGON_90_SET_VIEW_HPP
- namespace boost { namespace polygon{
- struct operator_provides_storage {};
- struct operator_requires_copy {};
- template <typename value_type, typename arg_type>
- inline void insert_into_view_arg(value_type& dest, const arg_type& arg, orientation_2d orient);
- template <typename ltype, typename rtype, typename op_type>
- class polygon_90_set_view;
- template <typename ltype, typename rtype, typename op_type>
- struct polygon_90_set_traits<polygon_90_set_view<ltype, rtype, op_type> > {
- typedef typename polygon_90_set_view<ltype, rtype, op_type>::coordinate_type coordinate_type;
- typedef typename polygon_90_set_view<ltype, rtype, op_type>::iterator_type iterator_type;
- typedef typename polygon_90_set_view<ltype, rtype, op_type>::operator_arg_type operator_arg_type;
- static inline iterator_type begin(const polygon_90_set_view<ltype, rtype, op_type>& polygon_set);
- static inline iterator_type end(const polygon_90_set_view<ltype, rtype, op_type>& polygon_set);
- static inline orientation_2d orient(const polygon_90_set_view<ltype, rtype, op_type>& polygon_set);
- static inline bool clean(const polygon_90_set_view<ltype, rtype, op_type>& polygon_set);
- static inline bool sorted(const polygon_90_set_view<ltype, rtype, op_type>& polygon_set);
- };
- template <typename value_type, typename ltype, typename rtype, typename op_type>
- struct compute_90_set_value {
- static
- void value(value_type& output_, const ltype& lvalue_, const rtype& rvalue_, orientation_2d orient_) {
- value_type linput_(orient_);
- value_type rinput_(orient_);
- orientation_2d orient_l = polygon_90_set_traits<ltype>::orient(lvalue_);
- orientation_2d orient_r = polygon_90_set_traits<rtype>::orient(rvalue_);
- //std::cout << "compute_90_set_value-0 orientations (left, right, out):\t" << orient_l.to_int()
- // << "," << orient_r.to_int() << "," << orient_.to_int() << std::endl;
- insert_into_view_arg(linput_, lvalue_, orient_l);
- insert_into_view_arg(rinput_, rvalue_, orient_r);
- output_.applyBooleanBinaryOp(linput_.begin(), linput_.end(),
- rinput_.begin(), rinput_.end(), boolean_op::BinaryCount<op_type>());
- }
- };
- template <typename value_type, typename lcoord, typename rcoord, typename op_type>
- struct compute_90_set_value<value_type, polygon_90_set_data<lcoord>, polygon_90_set_data<rcoord>, op_type> {
- static
- void value(value_type& output_, const polygon_90_set_data<lcoord>& lvalue_,
- const polygon_90_set_data<rcoord>& rvalue_, orientation_2d orient_) {
- orientation_2d orient_l = lvalue_.orient();
- orientation_2d orient_r = rvalue_.orient();
- value_type linput_(orient_);
- value_type rinput_(orient_);
- //std::cout << "compute_90_set_value-1 orientations (left, right, out):\t" << orient_l.to_int()
- // << "," << orient_r.to_int() << "," << orient_.to_int() << std::endl;
- if((orient_ == orient_l) && (orient_== orient_r)){ // assume that most of the time this condition is met
- lvalue_.sort();
- rvalue_.sort();
- output_.applyBooleanBinaryOp(lvalue_.begin(), lvalue_.end(),
- rvalue_.begin(), rvalue_.end(), boolean_op::BinaryCount<op_type>());
- }else if((orient_ != orient_l) && (orient_!= orient_r)){ // both the orientations are not equal to input
- // easier way is to ignore the input orientation and use the input data's orientation, but not done so
- insert_into_view_arg(linput_, lvalue_, orient_l);
- insert_into_view_arg(rinput_, rvalue_, orient_r);
- output_.applyBooleanBinaryOp(linput_.begin(), linput_.end(),
- rinput_.begin(), rinput_.end(), boolean_op::BinaryCount<op_type>());
- }else if(orient_ != orient_l){ // left hand side orientation is different
- insert_into_view_arg(linput_, lvalue_, orient_l);
- rvalue_.sort();
- output_.applyBooleanBinaryOp(linput_.begin(), linput_.end(),
- rvalue_.begin(), rvalue_.end(), boolean_op::BinaryCount<op_type>());
- } else if(orient_ != orient_r){ // right hand side orientation is different
- insert_into_view_arg(rinput_, rvalue_, orient_r);
- lvalue_.sort();
- output_.applyBooleanBinaryOp(lvalue_.begin(), lvalue_.end(),
- rinput_.begin(), rinput_.end(), boolean_op::BinaryCount<op_type>());
- }
- }
- };
- template <typename value_type, typename lcoord, typename rtype, typename op_type>
- struct compute_90_set_value<value_type, polygon_90_set_data<lcoord>, rtype, op_type> {
- static
- void value(value_type& output_, const polygon_90_set_data<lcoord>& lvalue_,
- const rtype& rvalue_, orientation_2d orient_) {
- value_type rinput_(orient_);
- lvalue_.sort();
- orientation_2d orient_r = polygon_90_set_traits<rtype>::orient(rvalue_);
- //std::cout << "compute_90_set_value-2 orientations (right, out):\t" << orient_r.to_int()
- // << "," << orient_.to_int() << std::endl;
- insert_into_view_arg(rinput_, rvalue_, orient_r);
- output_.applyBooleanBinaryOp(lvalue_.begin(), lvalue_.end(),
- rinput_.begin(), rinput_.end(), boolean_op::BinaryCount<op_type>());
- }
- };
- template <typename value_type, typename ltype, typename rcoord, typename op_type>
- struct compute_90_set_value<value_type, ltype, polygon_90_set_data<rcoord>, op_type> {
- static
- void value(value_type& output_, const ltype& lvalue_,
- const polygon_90_set_data<rcoord>& rvalue_, orientation_2d orient_) {
- value_type linput_(orient_);
- orientation_2d orient_l = polygon_90_set_traits<ltype>::orient(lvalue_);
- insert_into_view_arg(linput_, lvalue_, orient_l);
- rvalue_.sort();
- //std::cout << "compute_90_set_value-3 orientations (left, out):\t" << orient_l.to_int()
- // << "," << orient_.to_int() << std::endl;
- output_.applyBooleanBinaryOp(linput_.begin(), linput_.end(),
- rvalue_.begin(), rvalue_.end(), boolean_op::BinaryCount<op_type>());
- }
- };
- template <typename ltype, typename rtype, typename op_type>
- class polygon_90_set_view {
- public:
- typedef typename polygon_90_set_traits<ltype>::coordinate_type coordinate_type;
- typedef polygon_90_set_data<coordinate_type> value_type;
- typedef typename value_type::iterator_type iterator_type;
- typedef polygon_90_set_view operator_arg_type;
- private:
- const ltype& lvalue_;
- const rtype& rvalue_;
- orientation_2d orient_;
- op_type op_;
- mutable value_type output_;
- mutable bool evaluated_;
- polygon_90_set_view& operator=(const polygon_90_set_view&);
- public:
- polygon_90_set_view(const ltype& lvalue,
- const rtype& rvalue,
- orientation_2d orient,
- op_type op) :
- lvalue_(lvalue), rvalue_(rvalue), orient_(orient), op_(op), output_(orient), evaluated_(false) {}
- // get iterator to begin vertex data
- private:
- const value_type& value() const {
- if(!evaluated_) {
- evaluated_ = true;
- compute_90_set_value<value_type, ltype, rtype, op_type>::value(output_, lvalue_, rvalue_, orient_);
- }
- return output_;
- }
- public:
- iterator_type begin() const { return value().begin(); }
- iterator_type end() const { return value().end(); }
- orientation_2d orient() const { return orient_; }
- bool dirty() const { return false; } //result of a boolean is clean
- bool sorted() const { return true; } //result of a boolean is sorted
- // template <typename input_iterator_type>
- // void set(input_iterator_type input_begin, input_iterator_type input_end,
- // orientation_2d orient) const {
- // orient_ = orient;
- // output_.clear();
- // output_.insert(output_.end(), input_begin, input_end);
- // polygon_sort(output_.begin(), output_.end());
- // }
- void sort() const {} //is always sorted
- };
- template <typename ltype, typename rtype, typename op_type>
- struct geometry_concept<polygon_90_set_view<ltype, rtype, op_type> > {
- typedef polygon_90_set_concept type;
- };
- template <typename ltype, typename rtype, typename op_type>
- typename polygon_90_set_traits<polygon_90_set_view<ltype, rtype, op_type> >::iterator_type
- polygon_90_set_traits<polygon_90_set_view<ltype, rtype, op_type> >::
- begin(const polygon_90_set_view<ltype, rtype, op_type>& polygon_set) {
- return polygon_set.begin();
- }
- template <typename ltype, typename rtype, typename op_type>
- typename polygon_90_set_traits<polygon_90_set_view<ltype, rtype, op_type> >::iterator_type
- polygon_90_set_traits<polygon_90_set_view<ltype, rtype, op_type> >::
- end(const polygon_90_set_view<ltype, rtype, op_type>& polygon_set) {
- return polygon_set.end();
- }
- // template <typename ltype, typename rtype, typename op_type>
- // template <typename input_iterator_type>
- // void polygon_90_set_traits<polygon_90_set_view<ltype, rtype, op_type> >::
- // set(polygon_90_set_view<ltype, rtype, op_type>& polygon_set,
- // input_iterator_type input_begin, input_iterator_type input_end,
- // orientation_2d orient) {
- // polygon_set.set(input_begin, input_end, orient);
- // }
- template <typename ltype, typename rtype, typename op_type>
- orientation_2d polygon_90_set_traits<polygon_90_set_view<ltype, rtype, op_type> >::
- orient(const polygon_90_set_view<ltype, rtype, op_type>& polygon_set) {
- return polygon_set.orient(); }
- template <typename ltype, typename rtype, typename op_type>
- bool polygon_90_set_traits<polygon_90_set_view<ltype, rtype, op_type> >::
- clean(const polygon_90_set_view<ltype, rtype, op_type>& polygon_set) {
- return !polygon_set.dirty(); }
- template <typename ltype, typename rtype, typename op_type>
- bool polygon_90_set_traits<polygon_90_set_view<ltype, rtype, op_type> >::
- sorted(const polygon_90_set_view<ltype, rtype, op_type>& polygon_set) {
- return polygon_set.sorted(); }
- template <typename value_type, typename arg_type>
- inline void insert_into_view_arg(value_type& dest, const arg_type& arg, orientation_2d orient) {
- typedef typename polygon_90_set_traits<arg_type>::iterator_type literator;
- literator itr1, itr2;
- itr1 = polygon_90_set_traits<arg_type>::begin(arg);
- itr2 = polygon_90_set_traits<arg_type>::end(arg);
- dest.insert(itr1, itr2, orient);
- dest.sort();
- }
- template <typename T>
- template <typename ltype, typename rtype, typename op_type>
- inline polygon_90_set_data<T>& polygon_90_set_data<T>::operator=(const polygon_90_set_view<ltype, rtype, op_type>& that) {
- set(that.begin(), that.end(), that.orient());
- dirty_ = false;
- unsorted_ = false;
- return *this;
- }
- template <typename T>
- template <typename ltype, typename rtype, typename op_type>
- inline polygon_90_set_data<T>::polygon_90_set_data(const polygon_90_set_view<ltype, rtype, op_type>& that) :
- orient_(that.orient()), data_(that.begin(), that.end()), dirty_(false), unsorted_(false) {}
- template <typename geometry_type_1, typename geometry_type_2>
- struct self_assign_operator_lvalue {
- typedef geometry_type_1& type;
- };
- template <typename type_1, typename type_2>
- struct by_value_binary_operator {
- typedef type_1 type;
- };
- template <typename geometry_type_1, typename geometry_type_2, typename op_type>
- geometry_type_1& self_assignment_boolean_op(geometry_type_1& lvalue_, const geometry_type_2& rvalue_) {
- typedef geometry_type_1 ltype;
- typedef geometry_type_2 rtype;
- typedef typename polygon_90_set_traits<ltype>::coordinate_type coordinate_type;
- typedef polygon_90_set_data<coordinate_type> value_type;
- orientation_2d orient_ = polygon_90_set_traits<ltype>::orient(lvalue_);
- //BM: rvalue_ data set may have its own orientation for scanline
- orientation_2d orient_r = polygon_90_set_traits<rtype>::orient(rvalue_);
- //std::cout << "self-assignment boolean-op (left, right, out):\t" << orient_.to_int()
- // << "," << orient_r.to_int() << "," << orient_.to_int() << std::endl;
- value_type linput_(orient_);
- // BM: the rinput_ set's (that stores the rvalue_ dataset polygons) scanline orientation is *forced*
- // to be same as linput
- value_type rinput_(orient_);
- //BM: The output dataset's scanline orient is set as equal to first input dataset's (lvalue_) orientation
- value_type output_(orient_);
- insert_into_view_arg(linput_, lvalue_, orient_);
- // BM: The last argument orient_r is the user initialized scanline orientation for rvalue_ data set.
- // But since rinput (see above) is initialized to scanline orientation consistent with the lvalue_
- // data set, this insertion operation will change the incoming rvalue_ dataset's scanline orientation
- insert_into_view_arg(rinput_, rvalue_, orient_r);
- // BM: boolean operation and output uses lvalue_ dataset's scanline orientation.
- output_.applyBooleanBinaryOp(linput_.begin(), linput_.end(),
- rinput_.begin(), rinput_.end(), boolean_op::BinaryCount<op_type>());
- polygon_90_set_mutable_traits<geometry_type_1>::set(lvalue_, output_.begin(), output_.end(), orient_);
- return lvalue_;
- }
- namespace operators {
- struct y_ps90_b : gtl_yes {};
- template <typename geometry_type_1, typename geometry_type_2>
- typename enable_if< typename gtl_and_3< y_ps90_b,
- typename is_polygon_90_set_type<geometry_type_1>::type,
- typename is_polygon_90_set_type<geometry_type_2>::type>::type,
- polygon_90_set_view<geometry_type_1, geometry_type_2, boolean_op::BinaryOr> >::type
- operator|(const geometry_type_1& lvalue, const geometry_type_2& rvalue) {
- return polygon_90_set_view<geometry_type_1, geometry_type_2, boolean_op::BinaryOr>
- (lvalue, rvalue,
- polygon_90_set_traits<geometry_type_1>::orient(lvalue),
- boolean_op::BinaryOr());
- }
- struct y_ps90_p : gtl_yes {};
- template <typename geometry_type_1, typename geometry_type_2>
- typename enable_if<
- typename gtl_and_3< y_ps90_p,
- typename gtl_if<typename is_polygon_90_set_type<geometry_type_1>::type>::type,
- typename gtl_if<typename is_polygon_90_set_type<geometry_type_2>::type>::type>::type,
- polygon_90_set_view<geometry_type_1, geometry_type_2, boolean_op::BinaryOr> >::type
- operator+(const geometry_type_1& lvalue, const geometry_type_2& rvalue) {
- return polygon_90_set_view<geometry_type_1, geometry_type_2, boolean_op::BinaryOr>
- (lvalue, rvalue,
- polygon_90_set_traits<geometry_type_1>::orient(lvalue),
- boolean_op::BinaryOr());
- }
- struct y_ps90_s : gtl_yes {};
- template <typename geometry_type_1, typename geometry_type_2>
- typename enable_if< typename gtl_and_3< y_ps90_s,
- typename is_polygon_90_set_type<geometry_type_1>::type,
- typename is_polygon_90_set_type<geometry_type_2>::type>::type,
- polygon_90_set_view<geometry_type_1, geometry_type_2, boolean_op::BinaryAnd> >::type
- operator*(const geometry_type_1& lvalue, const geometry_type_2& rvalue) {
- return polygon_90_set_view<geometry_type_1, geometry_type_2, boolean_op::BinaryAnd>
- (lvalue, rvalue,
- polygon_90_set_traits<geometry_type_1>::orient(lvalue),
- boolean_op::BinaryAnd());
- }
- struct y_ps90_a : gtl_yes {};
- template <typename geometry_type_1, typename geometry_type_2>
- typename enable_if< typename gtl_and_3< y_ps90_a,
- typename is_polygon_90_set_type<geometry_type_1>::type,
- typename is_polygon_90_set_type<geometry_type_2>::type>::type,
- polygon_90_set_view<geometry_type_1, geometry_type_2, boolean_op::BinaryAnd> >::type
- operator&(const geometry_type_1& lvalue, const geometry_type_2& rvalue) {
- return polygon_90_set_view<geometry_type_1, geometry_type_2, boolean_op::BinaryAnd>
- (lvalue, rvalue,
- polygon_90_set_traits<geometry_type_1>::orient(lvalue),
- boolean_op::BinaryAnd());
- }
- struct y_ps90_x : gtl_yes {};
- template <typename geometry_type_1, typename geometry_type_2>
- typename enable_if< typename gtl_and_3< y_ps90_x,
- typename is_polygon_90_set_type<geometry_type_1>::type,
- typename is_polygon_90_set_type<geometry_type_2>::type>::type,
- polygon_90_set_view<geometry_type_1, geometry_type_2, boolean_op::BinaryXor> >::type
- operator^(const geometry_type_1& lvalue, const geometry_type_2& rvalue) {
- return polygon_90_set_view<geometry_type_1, geometry_type_2, boolean_op::BinaryXor>
- (lvalue, rvalue,
- polygon_90_set_traits<geometry_type_1>::orient(lvalue),
- boolean_op::BinaryXor());
- }
- struct y_ps90_m : gtl_yes {};
- template <typename geometry_type_1, typename geometry_type_2>
- typename enable_if< typename gtl_and_3< y_ps90_m,
- typename gtl_if<typename is_polygon_90_set_type<geometry_type_1>::type>::type,
- typename gtl_if<typename is_polygon_90_set_type<geometry_type_2>::type>::type>::type,
- polygon_90_set_view<geometry_type_1, geometry_type_2, boolean_op::BinaryNot> >::type
- operator-(const geometry_type_1& lvalue, const geometry_type_2& rvalue) {
- return polygon_90_set_view<geometry_type_1, geometry_type_2, boolean_op::BinaryNot>
- (lvalue, rvalue,
- polygon_90_set_traits<geometry_type_1>::orient(lvalue),
- boolean_op::BinaryNot());
- }
- struct y_ps90_pe : gtl_yes {};
- template <typename coordinate_type_1, typename geometry_type_2>
- typename enable_if< typename gtl_and< y_ps90_pe, typename is_polygon_90_set_type<geometry_type_2>::type>::type,
- polygon_90_set_data<coordinate_type_1> >::type &
- operator+=(polygon_90_set_data<coordinate_type_1>& lvalue, const geometry_type_2& rvalue) {
- lvalue.insert(polygon_90_set_traits<geometry_type_2>::begin(rvalue), polygon_90_set_traits<geometry_type_2>::end(rvalue),
- polygon_90_set_traits<geometry_type_2>::orient(rvalue));
- return lvalue;
- }
- struct y_ps90_be : gtl_yes {};
- //
- template <typename coordinate_type_1, typename geometry_type_2>
- typename enable_if< typename gtl_and< y_ps90_be, typename is_polygon_90_set_type<geometry_type_2>::type>::type,
- polygon_90_set_data<coordinate_type_1> >::type &
- operator|=(polygon_90_set_data<coordinate_type_1>& lvalue, const geometry_type_2& rvalue) {
- return lvalue += rvalue;
- }
- struct y_ps90_pe2 : gtl_yes {};
- //normal self assignment boolean operations
- template <typename geometry_type_1, typename geometry_type_2>
- typename enable_if< typename gtl_and_3< y_ps90_pe2, typename is_mutable_polygon_90_set_type<geometry_type_1>::type,
- typename is_polygon_90_set_type<geometry_type_2>::type>::type,
- geometry_type_1>::type &
- operator+=(geometry_type_1& lvalue, const geometry_type_2& rvalue) {
- return self_assignment_boolean_op<geometry_type_1, geometry_type_2, boolean_op::BinaryOr>(lvalue, rvalue);
- }
- struct y_ps90_be2 : gtl_yes {};
- template <typename geometry_type_1, typename geometry_type_2>
- typename enable_if< typename gtl_and_3<y_ps90_be2, typename is_mutable_polygon_90_set_type<geometry_type_1>::type,
- typename is_polygon_90_set_type<geometry_type_2>::type>::type,
- geometry_type_1>::type &
- operator|=(geometry_type_1& lvalue, const geometry_type_2& rvalue) {
- return self_assignment_boolean_op<geometry_type_1, geometry_type_2, boolean_op::BinaryOr>(lvalue, rvalue);
- }
- struct y_ps90_se : gtl_yes {};
- template <typename geometry_type_1, typename geometry_type_2>
- typename enable_if< typename gtl_and_3<y_ps90_se, typename is_mutable_polygon_90_set_type<geometry_type_1>::type,
- typename is_polygon_90_set_type<geometry_type_2>::type>::type,
- geometry_type_1>::type &
- operator*=(geometry_type_1& lvalue, const geometry_type_2& rvalue) {
- return self_assignment_boolean_op<geometry_type_1, geometry_type_2, boolean_op::BinaryAnd>(lvalue, rvalue);
- }
- struct y_ps90_ae : gtl_yes {};
- template <typename geometry_type_1, typename geometry_type_2>
- typename enable_if< typename gtl_and_3<y_ps90_ae, typename is_mutable_polygon_90_set_type<geometry_type_1>::type,
- typename is_polygon_90_set_type<geometry_type_2>::type>::type,
- geometry_type_1>::type &
- operator&=(geometry_type_1& lvalue, const geometry_type_2& rvalue) {
- return self_assignment_boolean_op<geometry_type_1, geometry_type_2, boolean_op::BinaryAnd>(lvalue, rvalue);
- }
- struct y_ps90_xe : gtl_yes {};
- template <typename geometry_type_1, typename geometry_type_2>
- typename enable_if< typename gtl_and_3<y_ps90_xe, typename is_mutable_polygon_90_set_type<geometry_type_1>::type,
- typename is_polygon_90_set_type<geometry_type_2>::type>::type,
- geometry_type_1>::type &
- operator^=(geometry_type_1& lvalue, const geometry_type_2& rvalue) {
- return self_assignment_boolean_op<geometry_type_1, geometry_type_2, boolean_op::BinaryXor>(lvalue, rvalue);
- }
- struct y_ps90_me : gtl_yes {};
- template <typename geometry_type_1, typename geometry_type_2>
- typename enable_if< typename gtl_and_3< y_ps90_me, typename is_mutable_polygon_90_set_type<geometry_type_1>::type,
- typename is_polygon_90_set_type<geometry_type_2>::type>::type,
- geometry_type_1>::type &
- operator-=(geometry_type_1& lvalue, const geometry_type_2& rvalue) {
- return self_assignment_boolean_op<geometry_type_1, geometry_type_2, boolean_op::BinaryNot>(lvalue, rvalue);
- }
- struct y_ps90_rpe : gtl_yes {};
- template <typename geometry_type_1, typename coordinate_type_1>
- typename enable_if< typename gtl_and_3<y_ps90_rpe,
- typename is_mutable_polygon_90_set_type<geometry_type_1>::type,
- typename gtl_same_type<typename geometry_concept<coordinate_type_1>::type, coordinate_concept>::type>::type,
- geometry_type_1>::type &
- operator+=(geometry_type_1& lvalue, coordinate_type_1 rvalue) {
- return resize(lvalue, rvalue);
- }
- struct y_ps90_rme : gtl_yes {};
- template <typename geometry_type_1, typename coordinate_type_1>
- typename enable_if< typename gtl_and_3<y_ps90_rme,
- typename is_mutable_polygon_90_set_type<geometry_type_1>::type,
- typename gtl_same_type<typename geometry_concept<coordinate_type_1>::type, coordinate_concept>::type>::type,
- geometry_type_1>::type &
- operator-=(geometry_type_1& lvalue, coordinate_type_1 rvalue) {
- return resize(lvalue, -rvalue);
- }
- struct y_ps90_rp : gtl_yes {};
- template <typename geometry_type_1, typename coordinate_type_1>
- typename enable_if< typename gtl_and_3<y_ps90_rp,
- typename gtl_if<typename is_mutable_polygon_90_set_type<geometry_type_1>::type>::type,
- typename gtl_if<typename gtl_same_type<typename geometry_concept<coordinate_type_1>::type, coordinate_concept>::type>::type>::type,
- geometry_type_1>::type
- operator+(const geometry_type_1& lvalue, coordinate_type_1 rvalue) {
- geometry_type_1 retval(lvalue);
- retval += rvalue;
- return retval;
- }
- struct y_ps90_rm : gtl_yes {};
- template <typename geometry_type_1, typename coordinate_type_1>
- typename enable_if< typename gtl_and_3<y_ps90_rm,
- typename gtl_if<typename is_mutable_polygon_90_set_type<geometry_type_1>::type>::type,
- typename gtl_if<typename gtl_same_type<typename geometry_concept<coordinate_type_1>::type, coordinate_concept>::type>::type>::type,
- geometry_type_1>::type
- operator-(const geometry_type_1& lvalue, coordinate_type_1 rvalue) {
- geometry_type_1 retval(lvalue);
- retval -= rvalue;
- return retval;
- }
- }
- }
- }
- #endif
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