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592 lines
26 KiB
592 lines
26 KiB
/* |
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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_INTERVAL_CONCEPT_HPP |
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#define BOOST_POLYGON_INTERVAL_CONCEPT_HPP |
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#include "isotropy.hpp" |
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#include "interval_data.hpp" |
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#include "interval_traits.hpp" |
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namespace boost { namespace polygon{ |
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struct interval_concept {}; |
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template <typename T> |
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struct is_interval_concept { typedef gtl_no type; }; |
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template <> |
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struct is_interval_concept<interval_concept> { typedef gtl_yes type; }; |
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template <typename T> |
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struct is_mutable_interval_concept { typedef gtl_no type; }; |
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template <> |
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struct is_mutable_interval_concept<interval_concept> { typedef gtl_yes type; }; |
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template <typename T, typename CT> |
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struct interval_coordinate_type_by_concept { typedef void type; }; |
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template <typename T> |
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struct interval_coordinate_type_by_concept<T, gtl_yes> { typedef typename interval_traits<T>::coordinate_type type; }; |
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template <typename T> |
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struct interval_coordinate_type { |
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typedef typename interval_coordinate_type_by_concept< |
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T, typename is_interval_concept<typename geometry_concept<T>::type>::type>::type type; |
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}; |
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template <typename T, typename CT> |
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struct interval_difference_type_by_concept { typedef void type; }; |
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template <typename T> |
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struct interval_difference_type_by_concept<T, gtl_yes> { |
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typedef typename coordinate_traits<typename interval_traits<T>::coordinate_type>::coordinate_difference type; }; |
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template <typename T> |
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struct interval_difference_type { |
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typedef typename interval_difference_type_by_concept< |
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T, typename is_interval_concept<typename geometry_concept<T>::type>::type>::type type; |
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}; |
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template <typename T> |
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typename interval_coordinate_type<T>::type |
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get(const T& interval, direction_1d dir, |
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typename enable_if<typename gtl_if<typename is_interval_concept<typename geometry_concept<T>::type>::type>::type>::type * = 0 |
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) { |
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return interval_traits<T>::get(interval, dir); |
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} |
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template <typename T, typename coordinate_type> |
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void |
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set(T& interval, direction_1d dir, coordinate_type value, |
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typename enable_if<typename is_mutable_interval_concept<typename geometry_concept<T>::type>::type>::type * = 0 |
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) { |
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//this may need to be refined |
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interval_mutable_traits<T>::set(interval, dir, value); |
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if(high(interval) < low(interval)) |
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interval_mutable_traits<T>::set(interval, dir.backward(), value); |
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} |
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template <typename T, typename T2, typename T3> |
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T |
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construct(T2 low_value, T3 high_value, |
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typename enable_if<typename is_mutable_interval_concept<typename geometry_concept<T>::type>::type>::type * = 0 |
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) { |
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if(low_value > high_value) std::swap(low_value, high_value); |
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return interval_mutable_traits<T>::construct(low_value, high_value); |
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} |
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template <typename T, typename T2> |
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T |
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copy_construct(const T2& interval, |
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typename enable_if< typename gtl_and<typename is_mutable_interval_concept<typename geometry_concept<T>::type>::type, |
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typename is_interval_concept<typename geometry_concept<T2>::type>::type>::type>::type * = 0 |
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) { |
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return construct<T> |
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(get(interval, LOW ), |
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get(interval, HIGH)); |
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} |
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template <typename T1, typename T2> |
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T1 & |
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assign(T1& lvalue, const T2& rvalue, |
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typename enable_if< typename gtl_and< typename is_mutable_interval_concept<typename geometry_concept<T1>::type>::type, |
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typename is_interval_concept<typename geometry_concept<T2>::type>::type>::type>::type * = 0) { |
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lvalue = copy_construct<T1>(rvalue); |
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return lvalue; |
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} |
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template <typename T, typename T2> |
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bool |
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equivalence(const T& interval1, const T2& interval2, |
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typename enable_if< typename gtl_and< typename is_interval_concept<typename geometry_concept<T>::type>::type, |
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typename is_interval_concept<typename geometry_concept<T2>::type>::type>::type>::type * = 0 |
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) { |
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return get(interval1, LOW) == |
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get(interval2, LOW) && |
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get(interval1, HIGH) == |
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get(interval2, HIGH); |
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} |
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struct y_i_contains : gtl_yes {}; |
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template <typename interval_type> |
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typename enable_if< typename gtl_and< y_i_contains, typename is_interval_concept<typename geometry_concept<interval_type>::type>::type >::type, bool>::type |
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contains(const interval_type& interval, |
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typename interval_traits<interval_type>::coordinate_type value, |
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bool consider_touch = true ) { |
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if(consider_touch) { |
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return value <= high(interval) && value >= low(interval); |
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} else { |
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return value < high(interval) && value > low(interval); |
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} |
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} |
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template <typename interval_type, typename interval_type_2> |
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bool |
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contains(const interval_type& interval, |
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const interval_type_2& value, bool consider_touch = true, |
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typename enable_if< typename gtl_and< typename is_interval_concept<typename geometry_concept<interval_type>::type>::type, |
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typename is_interval_concept<typename geometry_concept<interval_type_2>::type>::type>::type>::type * = 0 |
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) { |
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return contains(interval, get(value, LOW), consider_touch) && |
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contains(interval, get(value, HIGH), consider_touch); |
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} |
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// get the low coordinate |
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template <typename interval_type> |
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typename interval_traits<interval_type>::coordinate_type |
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low(const interval_type& interval, |
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typename enable_if< typename is_interval_concept<typename geometry_concept<interval_type>::type>::type>::type * = 0 |
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) { return get(interval, LOW); } |
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// get the high coordinate |
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template <typename interval_type> |
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typename interval_traits<interval_type>::coordinate_type |
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high(const interval_type& interval, |
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typename enable_if< typename is_interval_concept<typename geometry_concept<interval_type>::type>::type>::type * = 0 |
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) { return get(interval, HIGH); } |
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// get the center coordinate |
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template <typename interval_type> |
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typename interval_traits<interval_type>::coordinate_type |
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center(const interval_type& interval, |
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typename enable_if< typename is_interval_concept<typename geometry_concept<interval_type>::type>::type>::type * = 0 |
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) { return (high(interval) + low(interval))/2; } |
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struct y_i_low : gtl_yes {}; |
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// set the low coordinate to v |
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template <typename interval_type> |
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typename enable_if<typename gtl_and<y_i_low, typename is_mutable_interval_concept<typename geometry_concept<interval_type>::type>::type>::type, void>::type |
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low(interval_type& interval, |
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typename interval_traits<interval_type>::coordinate_type v) { set(interval, LOW, v); } |
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struct y_i_high : gtl_yes {}; |
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// set the high coordinate to v |
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template <typename interval_type> |
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typename enable_if<typename gtl_and<y_i_high, typename is_mutable_interval_concept<typename geometry_concept<interval_type>::type>::type>::type, void>::type |
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high(interval_type& interval, |
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typename interval_traits<interval_type>::coordinate_type v) { set(interval, HIGH, v); } |
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// get the magnitude of the interval |
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template <typename interval_type> |
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typename interval_difference_type<interval_type>::type |
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delta(const interval_type& interval, |
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typename enable_if< typename is_interval_concept<typename geometry_concept<interval_type>::type>::type>::type * = 0 |
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) { |
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typedef typename coordinate_traits<typename interval_traits<interval_type>::coordinate_type>::coordinate_difference diffT; |
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return (diffT)high(interval) - (diffT)low(interval); } |
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struct y_i_flip : gtl_yes {}; |
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// flip this about coordinate |
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template <typename interval_type> |
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typename enable_if<typename gtl_and<y_i_flip, typename is_mutable_interval_concept<typename geometry_concept<interval_type>::type>::type>::type, interval_type>::type & |
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flip(interval_type& interval, |
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typename interval_traits<interval_type>::coordinate_type axis = 0) { |
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typename interval_traits<interval_type>::coordinate_type newLow, newHigh; |
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newLow = 2 * axis - high(interval); |
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newHigh = 2 * axis - low(interval); |
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low(interval, newLow); |
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high(interval, newHigh); |
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return interval; |
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} |
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struct y_i_scale_up : gtl_yes {}; |
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// scale interval by factor |
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template <typename interval_type> |
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typename enable_if<typename gtl_and<y_i_scale_up, typename is_mutable_interval_concept<typename geometry_concept<interval_type>::type>::type>::type, interval_type>::type & |
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scale_up(interval_type& interval, |
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typename coordinate_traits<typename interval_traits<interval_type>::coordinate_type>::unsigned_area_type factor) { |
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typedef typename interval_traits<interval_type>::coordinate_type Unit; |
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Unit newHigh = high(interval) * (Unit)factor; |
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low(interval, low(interval) * (Unit)factor); |
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high(interval, (newHigh)); |
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return interval; |
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} |
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struct y_i_scale_down : gtl_yes {}; |
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template <typename interval_type> |
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typename enable_if<typename gtl_and<y_i_scale_down, typename is_mutable_interval_concept<typename geometry_concept<interval_type>::type>::type>::type, interval_type>::type & |
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scale_down(interval_type& interval, |
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typename coordinate_traits<typename interval_traits<interval_type>::coordinate_type>::unsigned_area_type factor) { |
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typedef typename interval_traits<interval_type>::coordinate_type Unit; |
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typedef typename coordinate_traits<Unit>::coordinate_distance dt; |
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Unit newHigh = scaling_policy<Unit>::round((dt)(high(interval)) / (dt)factor); |
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low(interval, scaling_policy<Unit>::round((dt)(low(interval)) / (dt)factor)); |
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high(interval, (newHigh)); |
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return interval; |
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} |
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struct y_i_scale : gtl_yes {}; |
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template <typename interval_type> |
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typename enable_if<typename gtl_and<y_i_scale, typename is_mutable_interval_concept<typename geometry_concept<interval_type>::type>::type>::type, interval_type>::type & |
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scale(interval_type& interval, double factor) { |
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typedef typename interval_traits<interval_type>::coordinate_type Unit; |
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Unit newHigh = scaling_policy<Unit>::round((double)(high(interval)) * factor); |
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low(interval, scaling_policy<Unit>::round((double)low(interval)* factor)); |
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high(interval, (newHigh)); |
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return interval; |
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} |
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// move interval by delta |
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template <typename interval_type> |
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interval_type& |
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move(interval_type& interval, |
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typename interval_difference_type<interval_type>::type displacement, |
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typename enable_if<typename is_mutable_interval_concept<typename geometry_concept<interval_type>::type>::type>::type * = 0 |
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) { |
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typedef typename interval_traits<interval_type>::coordinate_type ctype; |
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typedef typename coordinate_traits<ctype>::coordinate_difference Unit; |
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Unit len = delta(interval); |
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low(interval, static_cast<ctype>(static_cast<Unit>(low(interval)) + displacement)); |
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high(interval, static_cast<ctype>(static_cast<Unit>(low(interval)) + len)); |
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return interval; |
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} |
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struct y_i_convolve : gtl_yes {}; |
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// convolve this with b |
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template <typename interval_type> |
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typename enable_if<typename gtl_and<y_i_convolve, typename is_mutable_interval_concept<typename geometry_concept<interval_type>::type>::type>::type, interval_type>::type & |
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convolve(interval_type& interval, |
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typename interval_traits<interval_type>::coordinate_type b) { |
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typedef typename interval_traits<interval_type>::coordinate_type Unit; |
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Unit newLow = low(interval) + b; |
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Unit newHigh = high(interval) + b; |
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low(interval, newLow); |
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high(interval, newHigh); |
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return interval; |
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} |
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struct y_i_deconvolve : gtl_yes {}; |
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// deconvolve this with b |
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template <typename interval_type> |
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typename enable_if<typename gtl_and<y_i_deconvolve, typename is_mutable_interval_concept<typename geometry_concept<interval_type>::type>::type>::type, interval_type>::type & |
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deconvolve(interval_type& interval, |
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typename interval_traits<interval_type>::coordinate_type b) { |
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typedef typename interval_traits<interval_type>::coordinate_type Unit; |
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Unit newLow = low(interval) - b; |
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Unit newHigh = high(interval) - b; |
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low(interval, newLow); |
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high(interval, newHigh); |
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return interval; |
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} |
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struct y_i_convolve2 : gtl_yes {}; |
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// convolve this with b |
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template <typename interval_type, typename interval_type_2> |
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typename enable_if< |
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typename gtl_and_3<y_i_convolve2, |
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typename is_mutable_interval_concept<typename geometry_concept<interval_type>::type>::type, |
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typename is_interval_concept<typename geometry_concept<interval_type_2>::type>::type>::type, |
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interval_type>::type & |
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convolve(interval_type& interval, |
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const interval_type_2& b) { |
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typedef typename interval_traits<interval_type>::coordinate_type Unit; |
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Unit newLow = low(interval) + low(b); |
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Unit newHigh = high(interval) + high(b); |
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low(interval, newLow); |
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high(interval, newHigh); |
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return interval; |
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} |
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struct y_i_deconvolve2 : gtl_yes {}; |
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// deconvolve this with b |
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template <typename interval_type, typename interval_type_2> |
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typename enable_if< |
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typename gtl_and_3< y_i_deconvolve2, |
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typename is_mutable_interval_concept<typename geometry_concept<interval_type>::type>::type, |
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typename is_interval_concept<typename geometry_concept<interval_type_2>::type>::type>::type, |
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interval_type>::type & |
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deconvolve(interval_type& interval, |
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const interval_type_2& b) { |
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typedef typename interval_traits<interval_type>::coordinate_type Unit; |
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Unit newLow = low(interval) - low(b); |
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Unit newHigh = high(interval) - high(b); |
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low(interval, newLow); |
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high(interval, newHigh); |
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return interval; |
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} |
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struct y_i_reconvolve : gtl_yes {}; |
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// reflected convolve this with b |
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template <typename interval_type, typename interval_type_2> |
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typename enable_if< |
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typename gtl_and_3<y_i_reconvolve, |
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typename is_mutable_interval_concept<typename geometry_concept<interval_type>::type>::type, |
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typename is_interval_concept<typename geometry_concept<interval_type_2>::type>::type>::type, |
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interval_type>::type & |
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reflected_convolve(interval_type& interval, |
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const interval_type_2& b) { |
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typedef typename interval_traits<interval_type>::coordinate_type Unit; |
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Unit newLow = low(interval) - high(b); |
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Unit newHigh = high(interval) - low(b); |
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low(interval, newLow); |
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high(interval, newHigh); |
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return interval; |
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} |
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struct y_i_redeconvolve : gtl_yes {}; |
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// reflected deconvolve this with b |
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template <typename interval_type, typename interval_type_2> |
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typename enable_if< |
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typename gtl_and_3< y_i_redeconvolve, |
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typename is_mutable_interval_concept<typename geometry_concept<interval_type>::type>::type, |
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typename is_interval_concept<typename geometry_concept<interval_type_2>::type>::type>::type, |
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interval_type>::type & |
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reflected_deconvolve(interval_type& interval, |
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const interval_type_2& b) { |
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typedef typename interval_traits<interval_type>::coordinate_type Unit; |
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Unit newLow = low(interval) + high(b); |
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Unit newHigh = high(interval) + low(b); |
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low(interval, newLow); |
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high(interval, newHigh); |
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return interval; |
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} |
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struct y_i_e_dist1 : gtl_yes {}; |
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// distance from a coordinate to an interval |
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template <typename interval_type> |
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typename enable_if< typename gtl_and<y_i_e_dist1, typename is_interval_concept<typename geometry_concept<interval_type>::type>::type>::type, |
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typename interval_difference_type<interval_type>::type>::type |
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euclidean_distance(const interval_type& interval, |
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typename interval_traits<interval_type>::coordinate_type position) { |
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typedef typename coordinate_traits<typename interval_traits<interval_type>::coordinate_type>::coordinate_difference Unit; |
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Unit dist[3] = {0, (Unit)low(interval) - (Unit)position, (Unit)position - (Unit)high(interval)}; |
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return dist[ (dist[1] > 0) + ((dist[2] > 0) << 1) ]; |
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} |
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struct y_i_e_dist2 : gtl_yes {}; |
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// distance between two intervals |
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template <typename interval_type, typename interval_type_2> |
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typename enable_if< |
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typename gtl_and_3<y_i_e_dist2, typename is_interval_concept<typename geometry_concept<interval_type>::type>::type, |
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typename is_interval_concept<typename geometry_concept<interval_type_2>::type>::type>::type, |
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typename interval_difference_type<interval_type>::type>::type |
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euclidean_distance(const interval_type& interval, |
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const interval_type_2& b) { |
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typedef typename coordinate_traits<typename interval_traits<interval_type>::coordinate_type>::coordinate_difference Unit; |
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Unit dist[3] = {0, (Unit)low(interval) - (Unit)high(b), (Unit)low(b) - (Unit)high(interval)}; |
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return dist[ (dist[1] > 0) + ((dist[2] > 0) << 1) ]; |
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} |
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struct y_i_e_intersects : gtl_yes {}; |
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// check if Interval b intersects `this` Interval |
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template <typename interval_type, typename interval_type_2> |
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typename enable_if< |
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typename gtl_and_3<y_i_e_intersects, typename is_interval_concept<typename geometry_concept<interval_type>::type>::type, |
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typename is_interval_concept<typename geometry_concept<interval_type_2>::type>::type>::type, |
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bool>::type |
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intersects(const interval_type& interval, const interval_type_2& b, |
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bool consider_touch = true) { |
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return consider_touch ? |
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(low(interval) <= high(b)) & (high(interval) >= low(b)) : |
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(low(interval) < high(b)) & (high(interval) > low(b)); |
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} |
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struct y_i_e_bintersect : gtl_yes {}; |
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// check if Interval b partially overlaps `this` Interval |
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template <typename interval_type, typename interval_type_2> |
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typename enable_if< |
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typename gtl_and_3<y_i_e_bintersect, typename is_interval_concept<typename geometry_concept<interval_type>::type>::type, |
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typename is_interval_concept<typename geometry_concept<interval_type_2>::type>::type>::type, |
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bool>::type |
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boundaries_intersect(const interval_type& interval, const interval_type_2& b, |
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bool consider_touch = true) { |
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return (contains(interval, low(b), consider_touch) || |
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contains(interval, high(b), consider_touch)) && |
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(contains(b, low(interval), consider_touch) || |
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contains(b, high(interval), consider_touch)); |
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} |
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struct y_i_abuts1 : gtl_yes {}; |
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// check if they are end to end |
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template <typename interval_type, typename interval_type_2> |
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typename enable_if< typename gtl_and_3<y_i_abuts1, typename is_interval_concept<typename geometry_concept<interval_type>::type>::type, |
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typename is_interval_concept<typename geometry_concept<interval_type_2>::type>::type>::type, |
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bool>::type |
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abuts(const interval_type& interval, const interval_type_2& b, direction_1d dir) { |
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return dir.to_int() ? low(b) == high(interval) : low(interval) == high(b); |
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} |
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struct y_i_abuts2 : gtl_yes {}; |
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// check if they are end to end |
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template <typename interval_type, typename interval_type_2> |
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typename enable_if< |
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typename gtl_and_3<y_i_abuts2, typename is_interval_concept<typename geometry_concept<interval_type>::type>::type, |
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typename is_interval_concept<typename geometry_concept<interval_type_2>::type>::type>::type, |
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bool>::type |
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abuts(const interval_type& interval, const interval_type_2& b) { |
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return abuts(interval, b, HIGH) || abuts(interval, b, LOW); |
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} |
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struct y_i_intersect : gtl_yes {}; |
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// set 'this' interval to the intersection of 'this' and b |
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template <typename interval_type, typename interval_type_2> |
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typename enable_if< typename gtl_and_3<y_i_intersect, typename is_mutable_interval_concept<typename geometry_concept<interval_type>::type>::type, |
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typename is_interval_concept<typename geometry_concept<interval_type_2>::type>::type>::type, |
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bool>::type |
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intersect(interval_type& interval, const interval_type_2& b, bool consider_touch = true) { |
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typedef typename interval_traits<interval_type>::coordinate_type Unit; |
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Unit lowVal = (std::max)(low(interval), low(b)); |
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Unit highVal = (std::min)(high(interval), high(b)); |
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bool valid = consider_touch ? |
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lowVal <= highVal : |
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lowVal < highVal; |
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if(valid) { |
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low(interval, lowVal); |
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high(interval, highVal); |
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} |
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return valid; |
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} |
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struct y_i_g_intersect : gtl_yes {}; |
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|
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// set 'this' interval to the generalized intersection of 'this' and b |
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template <typename interval_type, typename interval_type_2> |
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typename enable_if< |
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typename gtl_and_3<y_i_g_intersect, typename is_mutable_interval_concept<typename geometry_concept<interval_type>::type>::type, |
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typename is_interval_concept<typename geometry_concept<interval_type_2>::type>::type>::type, |
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interval_type>::type & |
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generalized_intersect(interval_type& interval, const interval_type_2& b) { |
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typedef typename interval_traits<interval_type>::coordinate_type Unit; |
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Unit coords[4] = {low(interval), high(interval), low(b), high(b)}; |
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//consider implementing faster sorting of small fixed length range |
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gtlsort(coords, coords+4); |
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low(interval, coords[1]); |
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high(interval, coords[2]); |
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return interval; |
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} |
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|
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struct y_i_bloat : gtl_yes {}; |
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|
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// bloat the Interval |
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template <typename interval_type> |
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typename enable_if< typename gtl_and<y_i_bloat, typename is_mutable_interval_concept<typename geometry_concept<interval_type>::type>::type>::type, |
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interval_type>::type & |
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bloat(interval_type& interval, typename interval_traits<interval_type>::coordinate_type bloating) { |
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low(interval, low(interval)-bloating); |
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high(interval, high(interval)+bloating); |
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return interval; |
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} |
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|
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struct y_i_bloat2 : gtl_yes {}; |
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|
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// bloat the specified side of `this` Interval |
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template <typename interval_type> |
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typename enable_if< typename gtl_and<y_i_bloat2, typename is_mutable_interval_concept<typename geometry_concept<interval_type>::type>::type>::type, |
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interval_type>::type & |
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bloat(interval_type& interval, direction_1d dir, typename interval_traits<interval_type>::coordinate_type bloating) { |
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set(interval, dir, get(interval, dir) + dir.get_sign() * bloating); |
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return interval; |
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} |
|
|
|
struct y_i_shrink : gtl_yes {}; |
|
|
|
// shrink the Interval |
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template <typename interval_type> |
|
typename enable_if< typename gtl_and<y_i_shrink, typename is_mutable_interval_concept<typename geometry_concept<interval_type>::type>::type>::type, |
|
interval_type>::type & |
|
shrink(interval_type& interval, typename interval_traits<interval_type>::coordinate_type shrinking) { |
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return bloat(interval, -shrinking); |
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} |
|
|
|
struct y_i_shrink2 : gtl_yes {}; |
|
|
|
// shrink the specified side of `this` Interval |
|
template <typename interval_type> |
|
typename enable_if< typename gtl_and<y_i_shrink2, typename is_mutable_interval_concept<typename geometry_concept<interval_type>::type>::type>::type, |
|
interval_type>::type & |
|
shrink(interval_type& interval, direction_1d dir, typename interval_traits<interval_type>::coordinate_type shrinking) { |
|
return bloat(interval, dir, -shrinking); |
|
} |
|
|
|
// Enlarge `this` Interval to encompass the specified Interval |
|
template <typename interval_type, typename interval_type_2> |
|
bool |
|
encompass(interval_type& interval, const interval_type_2& b, |
|
typename enable_if< |
|
typename gtl_and< typename is_mutable_interval_concept<typename geometry_concept<interval_type>::type>::type, |
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typename is_interval_concept<typename geometry_concept<interval_type_2>::type>::type>::type>::type * = 0 |
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) { |
|
bool retval = !contains(interval, b, true); |
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low(interval, (std::min)(low(interval), low(b))); |
|
high(interval, (std::max)(high(interval), high(b))); |
|
return retval; |
|
} |
|
|
|
struct y_i_encompass : gtl_yes {}; |
|
|
|
// Enlarge `this` Interval to encompass the specified Interval |
|
template <typename interval_type> |
|
typename enable_if< typename gtl_and<y_i_encompass, typename is_mutable_interval_concept<typename geometry_concept<interval_type>::type>::type>::type, |
|
bool>::type |
|
encompass(interval_type& interval, typename interval_traits<interval_type>::coordinate_type b) { |
|
bool retval = !contains(interval, b, true); |
|
low(interval, (std::min)(low(interval), b)); |
|
high(interval, (std::max)(high(interval), b)); |
|
return retval; |
|
} |
|
|
|
struct y_i_get_half : gtl_yes {}; |
|
|
|
// gets the half of the interval as an interval |
|
template <typename interval_type> |
|
typename enable_if<typename gtl_and<y_i_get_half, typename is_mutable_interval_concept<typename geometry_concept<interval_type>::type>::type>::type, interval_type>::type |
|
get_half(const interval_type& interval, direction_1d d1d) { |
|
typedef typename interval_traits<interval_type>::coordinate_type Unit; |
|
Unit c = (get(interval, LOW) + get(interval, HIGH)) / 2; |
|
return construct<interval_type>((d1d == LOW) ? get(interval, LOW) : c, |
|
(d1d == LOW) ? c : get(interval, HIGH)); |
|
} |
|
|
|
struct y_i_join_with : gtl_yes {}; |
|
|
|
// returns true if the 2 intervals exactly touch at one value, like in l1 <= h1 == l2 <= h2 |
|
// sets the argument to the joined interval |
|
template <typename interval_type, typename interval_type_2> |
|
typename enable_if< |
|
typename gtl_and_3<y_i_join_with, typename is_mutable_interval_concept<typename geometry_concept<interval_type>::type>::type, |
|
typename is_interval_concept<typename geometry_concept<interval_type_2>::type>::type>::type, |
|
bool>::type |
|
join_with(interval_type& interval, const interval_type_2& b) { |
|
if(abuts(interval, b)) { |
|
encompass(interval, b); |
|
return true; |
|
} |
|
return false; |
|
} |
|
|
|
template <class T> |
|
template <class T2> |
|
interval_data<T>& interval_data<T>::operator=(const T2& rvalue) { |
|
assign(*this, rvalue); |
|
return *this; |
|
} |
|
|
|
template <typename T> |
|
struct geometry_concept<interval_data<T> > { |
|
typedef interval_concept type; |
|
}; |
|
} |
|
} |
|
#endif
|
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