446 lines
21 KiB
C++
446 lines
21 KiB
C++
/*
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Copyright 2008 Intel Corporation
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Use, modification and distribution are subject to the Boost Software License,
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Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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http://www.boost.org/LICENSE_1_0.txt).
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*/
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#ifndef BOOST_POLYGON_POLYGON_90_SET_VIEW_HPP
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#define BOOST_POLYGON_POLYGON_90_SET_VIEW_HPP
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namespace boost { namespace polygon{
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struct operator_provides_storage {};
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struct operator_requires_copy {};
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template <typename value_type, typename arg_type>
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inline void insert_into_view_arg(value_type& dest, const arg_type& arg, orientation_2d orient);
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template <typename ltype, typename rtype, typename op_type>
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class polygon_90_set_view;
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template <typename ltype, typename rtype, typename op_type>
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struct polygon_90_set_traits<polygon_90_set_view<ltype, rtype, op_type> > {
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typedef typename polygon_90_set_view<ltype, rtype, op_type>::coordinate_type coordinate_type;
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typedef typename polygon_90_set_view<ltype, rtype, op_type>::iterator_type iterator_type;
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typedef typename polygon_90_set_view<ltype, rtype, op_type>::operator_arg_type operator_arg_type;
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static inline iterator_type begin(const polygon_90_set_view<ltype, rtype, op_type>& polygon_set);
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static inline iterator_type end(const polygon_90_set_view<ltype, rtype, op_type>& polygon_set);
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static inline orientation_2d orient(const polygon_90_set_view<ltype, rtype, op_type>& polygon_set);
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static inline bool clean(const polygon_90_set_view<ltype, rtype, op_type>& polygon_set);
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static inline bool sorted(const polygon_90_set_view<ltype, rtype, op_type>& polygon_set);
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};
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template <typename value_type, typename ltype, typename rtype, typename op_type>
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struct compute_90_set_value {
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static
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void value(value_type& output_, const ltype& lvalue_, const rtype& rvalue_, orientation_2d orient_) {
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value_type linput_(orient_);
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value_type rinput_(orient_);
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insert_into_view_arg(linput_, lvalue_, orient_);
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insert_into_view_arg(rinput_, rvalue_, orient_);
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output_.applyBooleanBinaryOp(linput_.begin(), linput_.end(),
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rinput_.begin(), rinput_.end(), boolean_op::BinaryCount<op_type>());
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}
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};
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template <typename value_type, typename lcoord, typename rcoord, typename op_type>
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struct compute_90_set_value<value_type, polygon_90_set_data<lcoord>, polygon_90_set_data<rcoord>, op_type> {
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static
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void value(value_type& output_, const polygon_90_set_data<lcoord>& lvalue_,
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const polygon_90_set_data<rcoord>& rvalue_, orientation_2d) {
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lvalue_.sort();
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rvalue_.sort();
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output_.applyBooleanBinaryOp(lvalue_.begin(), lvalue_.end(),
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rvalue_.begin(), rvalue_.end(), boolean_op::BinaryCount<op_type>());
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}
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};
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template <typename value_type, typename lcoord, typename rtype, typename op_type>
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struct compute_90_set_value<value_type, polygon_90_set_data<lcoord>, rtype, op_type> {
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static
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void value(value_type& output_, const polygon_90_set_data<lcoord>& lvalue_,
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const rtype& rvalue_, orientation_2d orient_) {
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value_type rinput_(orient_);
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lvalue_.sort();
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insert_into_view_arg(rinput_, rvalue_, orient_);
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output_.applyBooleanBinaryOp(lvalue_.begin(), lvalue_.end(),
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rinput_.begin(), rinput_.end(), boolean_op::BinaryCount<op_type>());
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}
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};
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template <typename value_type, typename ltype, typename rcoord, typename op_type>
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struct compute_90_set_value<value_type, ltype, polygon_90_set_data<rcoord>, op_type> {
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static
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void value(value_type& output_, const ltype& lvalue_,
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const polygon_90_set_data<rcoord>& rvalue_, orientation_2d orient_) {
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value_type linput_(orient_);
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insert_into_view_arg(linput_, lvalue_, orient_);
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rvalue_.sort();
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output_.applyBooleanBinaryOp(linput_.begin(), linput_.end(),
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rvalue_.begin(), rvalue_.end(), boolean_op::BinaryCount<op_type>());
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}
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};
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template <typename ltype, typename rtype, typename op_type>
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class polygon_90_set_view {
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public:
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typedef typename polygon_90_set_traits<ltype>::coordinate_type coordinate_type;
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typedef polygon_90_set_data<coordinate_type> value_type;
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typedef typename value_type::iterator_type iterator_type;
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typedef polygon_90_set_view operator_arg_type;
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private:
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const ltype& lvalue_;
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const rtype& rvalue_;
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orientation_2d orient_;
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op_type op_;
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mutable value_type output_;
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mutable bool evaluated_;
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polygon_90_set_view& operator=(const polygon_90_set_view&);
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public:
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polygon_90_set_view(const ltype& lvalue,
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const rtype& rvalue,
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orientation_2d orient,
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op_type op) :
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lvalue_(lvalue), rvalue_(rvalue), orient_(orient), op_(op), output_(orient), evaluated_(false) {}
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// get iterator to begin vertex data
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private:
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const value_type& value() const {
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if(!evaluated_) {
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evaluated_ = true;
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compute_90_set_value<value_type, ltype, rtype, op_type>::value(output_, lvalue_, rvalue_, orient_);
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}
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return output_;
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}
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public:
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iterator_type begin() const { return value().begin(); }
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iterator_type end() const { return value().end(); }
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orientation_2d orient() const { return orient_; }
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bool dirty() const { return false; } //result of a boolean is clean
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bool sorted() const { return true; } //result of a boolean is sorted
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// template <typename input_iterator_type>
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// void set(input_iterator_type input_begin, input_iterator_type input_end,
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// orientation_2d orient) const {
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// orient_ = orient;
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// output_.clear();
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// output_.insert(output_.end(), input_begin, input_end);
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// std::sort(output_.begin(), output_.end());
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// }
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void sort() const {} //is always sorted
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};
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template <typename ltype, typename rtype, typename op_type>
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struct geometry_concept<polygon_90_set_view<ltype, rtype, op_type> > {
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typedef polygon_90_set_concept type;
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};
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template <typename ltype, typename rtype, typename op_type>
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typename polygon_90_set_view<ltype, rtype, op_type>::iterator_type
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polygon_90_set_traits<polygon_90_set_view<ltype, rtype, op_type> >::
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begin(const polygon_90_set_view<ltype, rtype, op_type>& polygon_set) {
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return polygon_set.begin();
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}
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template <typename ltype, typename rtype, typename op_type>
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typename polygon_90_set_view<ltype, rtype, op_type>::iterator_type
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polygon_90_set_traits<polygon_90_set_view<ltype, rtype, op_type> >::
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end(const polygon_90_set_view<ltype, rtype, op_type>& polygon_set) {
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return polygon_set.end();
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}
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// template <typename ltype, typename rtype, typename op_type>
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// template <typename input_iterator_type>
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// void polygon_90_set_traits<polygon_90_set_view<ltype, rtype, op_type> >::
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// set(polygon_90_set_view<ltype, rtype, op_type>& polygon_set,
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// input_iterator_type input_begin, input_iterator_type input_end,
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// orientation_2d orient) {
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// polygon_set.set(input_begin, input_end, orient);
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// }
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template <typename ltype, typename rtype, typename op_type>
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orientation_2d polygon_90_set_traits<polygon_90_set_view<ltype, rtype, op_type> >::
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orient(const polygon_90_set_view<ltype, rtype, op_type>& polygon_set) {
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return polygon_set.orient(); }
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template <typename ltype, typename rtype, typename op_type>
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bool polygon_90_set_traits<polygon_90_set_view<ltype, rtype, op_type> >::
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clean(const polygon_90_set_view<ltype, rtype, op_type>& polygon_set) {
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return true; }
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template <typename ltype, typename rtype, typename op_type>
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bool polygon_90_set_traits<polygon_90_set_view<ltype, rtype, op_type> >::
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sorted(const polygon_90_set_view<ltype, rtype, op_type>& polygon_set) {
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return true; }
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template <typename value_type, typename arg_type>
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inline void insert_into_view_arg(value_type& dest, const arg_type& arg, orientation_2d orient) {
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typedef typename polygon_90_set_traits<arg_type>::iterator_type literator;
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literator itr1, itr2;
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itr1 = polygon_90_set_traits<arg_type>::begin(arg);
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itr2 = polygon_90_set_traits<arg_type>::end(arg);
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dest.insert(itr1, itr2, orient);
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dest.sort();
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}
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template <typename T>
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template <typename ltype, typename rtype, typename op_type>
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inline polygon_90_set_data<T>& polygon_90_set_data<T>::operator=(const polygon_90_set_view<ltype, rtype, op_type>& that) {
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set(that.begin(), that.end(), that.orient());
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dirty_ = false;
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unsorted_ = false;
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return *this;
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}
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template <typename T>
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template <typename ltype, typename rtype, typename op_type>
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inline polygon_90_set_data<T>::polygon_90_set_data(const polygon_90_set_view<ltype, rtype, op_type>& that) :
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orient_(that.orient()), data_(that.begin(), that.end()), dirty_(false), unsorted_(false) {}
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template <typename geometry_type_1, typename geometry_type_2>
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struct self_assign_operator_lvalue {
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typedef geometry_type_1& type;
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};
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template <typename type_1, typename type_2>
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struct by_value_binary_operator {
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typedef type_1 type;
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};
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template <typename geometry_type_1, typename geometry_type_2, typename op_type>
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geometry_type_1& self_assignment_boolean_op(geometry_type_1& lvalue_, const geometry_type_2& rvalue_) {
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typedef geometry_type_1 ltype;
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typedef geometry_type_2 rtype;
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typedef typename polygon_90_set_traits<ltype>::coordinate_type coordinate_type;
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typedef polygon_90_set_data<coordinate_type> value_type;
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orientation_2d orient_ = polygon_90_set_traits<ltype>::orient(lvalue_);
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value_type linput_(orient_);
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value_type rinput_(orient_);
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value_type output_(orient_);
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insert_into_view_arg(linput_, lvalue_, orient_);
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insert_into_view_arg(rinput_, rvalue_, orient_);
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output_.applyBooleanBinaryOp(linput_.begin(), linput_.end(),
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rinput_.begin(), rinput_.end(), boolean_op::BinaryCount<op_type>());
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polygon_90_set_mutable_traits<geometry_type_1>::set(lvalue_, output_.begin(), output_.end(), orient_);
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return lvalue_;
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}
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namespace operators {
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struct y_ps90_b : gtl_yes {};
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template <typename geometry_type_1, typename geometry_type_2>
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typename enable_if< typename gtl_and_3< y_ps90_b,
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typename is_polygon_90_set_type<geometry_type_1>::type,
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typename is_polygon_90_set_type<geometry_type_2>::type>::type,
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polygon_90_set_view<geometry_type_1, geometry_type_2, boolean_op::BinaryOr> >::type
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operator|(const geometry_type_1& lvalue, const geometry_type_2& rvalue) {
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return polygon_90_set_view<geometry_type_1, geometry_type_2, boolean_op::BinaryOr>
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(lvalue, rvalue,
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polygon_90_set_traits<geometry_type_1>::orient(lvalue),
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boolean_op::BinaryOr());
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}
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struct y_ps90_p : gtl_yes {};
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template <typename geometry_type_1, typename geometry_type_2>
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typename enable_if<
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typename gtl_and_3< y_ps90_p,
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typename gtl_if<typename is_polygon_90_set_type<geometry_type_1>::type>::type,
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typename gtl_if<typename is_polygon_90_set_type<geometry_type_2>::type>::type>::type,
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polygon_90_set_view<geometry_type_1, geometry_type_2, boolean_op::BinaryOr> >::type
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operator+(const geometry_type_1& lvalue, const geometry_type_2& rvalue) {
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return polygon_90_set_view<geometry_type_1, geometry_type_2, boolean_op::BinaryOr>
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(lvalue, rvalue,
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polygon_90_set_traits<geometry_type_1>::orient(lvalue),
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boolean_op::BinaryOr());
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}
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struct y_ps90_s : gtl_yes {};
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template <typename geometry_type_1, typename geometry_type_2>
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typename enable_if< typename gtl_and_3< y_ps90_s,
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typename is_polygon_90_set_type<geometry_type_1>::type,
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typename is_polygon_90_set_type<geometry_type_2>::type>::type,
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polygon_90_set_view<geometry_type_1, geometry_type_2, boolean_op::BinaryAnd> >::type
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operator*(const geometry_type_1& lvalue, const geometry_type_2& rvalue) {
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return polygon_90_set_view<geometry_type_1, geometry_type_2, boolean_op::BinaryAnd>
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(lvalue, rvalue,
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polygon_90_set_traits<geometry_type_1>::orient(lvalue),
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boolean_op::BinaryAnd());
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}
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struct y_ps90_a : gtl_yes {};
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template <typename geometry_type_1, typename geometry_type_2>
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typename enable_if< typename gtl_and_3< y_ps90_a,
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typename is_polygon_90_set_type<geometry_type_1>::type,
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typename is_polygon_90_set_type<geometry_type_2>::type>::type,
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polygon_90_set_view<geometry_type_1, geometry_type_2, boolean_op::BinaryAnd> >::type
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operator&(const geometry_type_1& lvalue, const geometry_type_2& rvalue) {
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return polygon_90_set_view<geometry_type_1, geometry_type_2, boolean_op::BinaryAnd>
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(lvalue, rvalue,
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polygon_90_set_traits<geometry_type_1>::orient(lvalue),
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boolean_op::BinaryAnd());
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}
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struct y_ps90_x : gtl_yes {};
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template <typename geometry_type_1, typename geometry_type_2>
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typename enable_if< typename gtl_and_3< y_ps90_x,
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typename is_polygon_90_set_type<geometry_type_1>::type,
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typename is_polygon_90_set_type<geometry_type_2>::type>::type,
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polygon_90_set_view<geometry_type_1, geometry_type_2, boolean_op::BinaryXor> >::type
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operator^(const geometry_type_1& lvalue, const geometry_type_2& rvalue) {
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return polygon_90_set_view<geometry_type_1, geometry_type_2, boolean_op::BinaryXor>
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(lvalue, rvalue,
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polygon_90_set_traits<geometry_type_1>::orient(lvalue),
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boolean_op::BinaryXor());
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}
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struct y_ps90_m : gtl_yes {};
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template <typename geometry_type_1, typename geometry_type_2>
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typename enable_if< typename gtl_and_3< y_ps90_m,
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typename gtl_if<typename is_polygon_90_set_type<geometry_type_1>::type>::type,
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typename gtl_if<typename is_polygon_90_set_type<geometry_type_2>::type>::type>::type,
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polygon_90_set_view<geometry_type_1, geometry_type_2, boolean_op::BinaryNot> >::type
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operator-(const geometry_type_1& lvalue, const geometry_type_2& rvalue) {
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return polygon_90_set_view<geometry_type_1, geometry_type_2, boolean_op::BinaryNot>
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(lvalue, rvalue,
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polygon_90_set_traits<geometry_type_1>::orient(lvalue),
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boolean_op::BinaryNot());
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}
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struct y_ps90_pe : gtl_yes {};
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template <typename coordinate_type_1, typename geometry_type_2>
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typename enable_if< typename gtl_and< y_ps90_pe, typename is_polygon_90_set_type<geometry_type_2>::type>::type,
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polygon_90_set_data<coordinate_type_1> >::type &
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operator+=(polygon_90_set_data<coordinate_type_1>& lvalue, const geometry_type_2& rvalue) {
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lvalue.insert(polygon_90_set_traits<geometry_type_2>::begin(rvalue), polygon_90_set_traits<geometry_type_2>::end(rvalue),
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polygon_90_set_traits<geometry_type_2>::orient(rvalue));
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return lvalue;
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}
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struct y_ps90_be : gtl_yes {};
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//
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template <typename coordinate_type_1, typename geometry_type_2>
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typename enable_if< typename gtl_and< y_ps90_be, typename is_polygon_90_set_type<geometry_type_2>::type>::type,
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polygon_90_set_data<coordinate_type_1> >::type &
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operator|=(polygon_90_set_data<coordinate_type_1>& lvalue, const geometry_type_2& rvalue) {
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return lvalue += rvalue;
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}
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struct y_ps90_pe2 : gtl_yes {};
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//normal self assignment boolean operations
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template <typename geometry_type_1, typename geometry_type_2>
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typename enable_if< typename gtl_and_3< y_ps90_pe2, typename is_mutable_polygon_90_set_type<geometry_type_1>::type,
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typename is_polygon_90_set_type<geometry_type_2>::type>::type,
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geometry_type_1>::type &
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operator+=(geometry_type_1& lvalue, const geometry_type_2& rvalue) {
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return self_assignment_boolean_op<geometry_type_1, geometry_type_2, boolean_op::BinaryOr>(lvalue, rvalue);
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}
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struct y_ps90_be2 : gtl_yes {};
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template <typename geometry_type_1, typename geometry_type_2>
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typename enable_if< typename gtl_and_3<y_ps90_be2, typename is_mutable_polygon_90_set_type<geometry_type_1>::type,
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typename is_polygon_90_set_type<geometry_type_2>::type>::type,
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geometry_type_1>::type &
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operator|=(geometry_type_1& lvalue, const geometry_type_2& rvalue) {
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return self_assignment_boolean_op<geometry_type_1, geometry_type_2, boolean_op::BinaryOr>(lvalue, rvalue);
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}
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struct y_ps90_se : gtl_yes {};
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template <typename geometry_type_1, typename geometry_type_2>
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typename enable_if< typename gtl_and_3<y_ps90_se, typename is_mutable_polygon_90_set_type<geometry_type_1>::type,
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typename is_polygon_90_set_type<geometry_type_2>::type>::type,
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geometry_type_1>::type &
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operator*=(geometry_type_1& lvalue, const geometry_type_2& rvalue) {
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return self_assignment_boolean_op<geometry_type_1, geometry_type_2, boolean_op::BinaryAnd>(lvalue, rvalue);
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}
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struct y_ps90_ae : gtl_yes {};
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template <typename geometry_type_1, typename geometry_type_2>
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typename enable_if< typename gtl_and_3<y_ps90_ae, typename is_mutable_polygon_90_set_type<geometry_type_1>::type,
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typename is_polygon_90_set_type<geometry_type_2>::type>::type,
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geometry_type_1>::type &
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operator&=(geometry_type_1& lvalue, const geometry_type_2& rvalue) {
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return self_assignment_boolean_op<geometry_type_1, geometry_type_2, boolean_op::BinaryAnd>(lvalue, rvalue);
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}
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struct y_ps90_xe : gtl_yes {};
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template <typename geometry_type_1, typename geometry_type_2>
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typename enable_if< typename gtl_and_3<y_ps90_xe, typename is_mutable_polygon_90_set_type<geometry_type_1>::type,
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typename is_polygon_90_set_type<geometry_type_2>::type>::type,
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geometry_type_1>::type &
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operator^=(geometry_type_1& lvalue, const geometry_type_2& rvalue) {
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return self_assignment_boolean_op<geometry_type_1, geometry_type_2, boolean_op::BinaryXor>(lvalue, rvalue);
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}
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struct y_ps90_me : gtl_yes {};
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template <typename geometry_type_1, typename geometry_type_2>
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typename enable_if< typename gtl_and_3< y_ps90_me, typename is_mutable_polygon_90_set_type<geometry_type_1>::type,
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typename is_polygon_90_set_type<geometry_type_2>::type>::type,
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geometry_type_1>::type &
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operator-=(geometry_type_1& lvalue, const geometry_type_2& rvalue) {
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return self_assignment_boolean_op<geometry_type_1, geometry_type_2, boolean_op::BinaryNot>(lvalue, rvalue);
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}
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struct y_ps90_rpe : gtl_yes {};
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template <typename geometry_type_1, typename coordinate_type_1>
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typename enable_if< typename gtl_and_3<y_ps90_rpe,
|
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typename is_mutable_polygon_90_set_type<geometry_type_1>::type,
|
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typename gtl_same_type<typename geometry_concept<coordinate_type_1>::type, coordinate_concept>::type>::type,
|
|
geometry_type_1>::type &
|
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operator+=(geometry_type_1& lvalue, coordinate_type_1 rvalue) {
|
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return resize(lvalue, rvalue);
|
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}
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struct y_ps90_rme : gtl_yes {};
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|
|
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template <typename geometry_type_1, typename coordinate_type_1>
|
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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 {};
|
|
|
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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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