$include_dir="/home/hyper-archives/boost-commit/include"; include("$include_dir/msg-header.inc") ?>
Subject: [Boost-commit] svn:boost r61132 - in sandbox/gtl/libs: . polygon polygon/test
From: lucanus.j.simonson_at_[hidden]
Date: 2010-04-07 14:00:46
Author: ljsimons
Date: 2010-04-07 14:00:45 EDT (Wed, 07 Apr 2010)
New Revision: 61132
URL: http://svn.boost.org/trac/boost/changeset/61132
Log:
adding unit tests
Added:
   sandbox/gtl/libs/
   sandbox/gtl/libs/polygon/
   sandbox/gtl/libs/polygon/Jamroot   (contents, props changed)
   sandbox/gtl/libs/polygon/test/
   sandbox/gtl/libs/polygon/test/Jamfile.v2   (contents, props changed)
   sandbox/gtl/libs/polygon/test/gtl_boost_unit_test.cpp   (contents, props changed)
Added: sandbox/gtl/libs/polygon/Jamroot
==============================================================================
--- (empty file)
+++ sandbox/gtl/libs/polygon/Jamroot	2010-04-07 14:00:45 EDT (Wed, 07 Apr 2010)
@@ -0,0 +1,19 @@
+# Boost Build v2 Jamroot for Polygon unit 
+#
+#  Copyright 2010 Intel Corporation
+#
+# Use, modification and distribution is 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)
+
+project 
+    : requirements
+        <warnings>all
+        <toolset>intel:<warnings>on
+        <toolset>gcc:<cxxflags>"-pedantic -Wall -Wstrict-aliasing -fstrict-aliasing -Wno-long-long"
+        <toolset>msvc:<cxxflags>/W4
+        <include>../..
+        <include>.
+    ;
+
+
Added: sandbox/gtl/libs/polygon/test/Jamfile.v2
==============================================================================
--- (empty file)
+++ sandbox/gtl/libs/polygon/test/Jamfile.v2	2010-04-07 14:00:45 EDT (Wed, 07 Apr 2010)
@@ -0,0 +1,22 @@
+# test/Jamfile.v2 controls building of Polygon Library unit tests
+#
+# Copyright (c) 2010 Intel Corporation
+#
+# Use, modification and distribution is 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)
+
+import testing ;
+
+project polygon-test
+    :
+    requirements
+        <include>.
+        <toolset>msvc:<asynch-exceptions>on
+    ;
+
+test-suite polygon-unit
+    :
+    [ run gtl_boost_unit_test.cpp ]
+    ;
+
Added: sandbox/gtl/libs/polygon/test/gtl_boost_unit_test.cpp
==============================================================================
--- (empty file)
+++ sandbox/gtl/libs/polygon/test/gtl_boost_unit_test.cpp	2010-04-07 14:00:45 EDT (Wed, 07 Apr 2010)
@@ -0,0 +1,3372 @@
+/*
+  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).
+*/
+#define BOOST_POLYGON_NO_DEPS
+#include <iostream>
+#define BOOST_VERY_LITTLE_SFINAE
+//#include <boost/polygon/polygon.hpp>
+#include "polygon.hpp"
+//#include "ac_int_override.hpp"
+namespace gtl = boost::polygon;
+using namespace boost::polygon::operators;
+#include <time.h>
+#include <stdlib.h>
+
+namespace boost { namespace polygon{
+
+  template <class T>
+  std::ostream& operator << (std::ostream& o, const interval_data<T>& i)
+  {
+    return o << i.get(LOW) << ' ' << i.get(HIGH);
+  }
+  template <class T>
+  std::ostream& operator << (std::ostream& o, const point_data<T>& r)
+  {
+    return o << r.get(HORIZONTAL) << ' ' << r.get(VERTICAL);
+  }
+  template <typename T>
+  std::ostream& operator<<(std::ostream& o, const polygon_45_data<T>& poly) {
+    o << "Polygon { ";
+    for(typename polygon_45_data<T>::iterator_type itr = poly.begin(); 
+        itr != poly.end(); ++itr) {
+      if(itr != poly.begin()) o << ", ";
+      o << (*itr).get(HORIZONTAL) << " " << (*itr).get(VERTICAL);
+    } 
+    o << " } ";
+    return o;
+  }
+  template <typename Unit>
+  inline std::ostream& operator<< (std::ostream& o, const polygon_45_set_data<Unit>& p) {
+    o << "Polygon45Set ";
+    o << " " << !p.sorted() << " " << p.dirty() << " { ";
+    for(typename polygon_45_set_data<Unit>::iterator_type itr = p.begin();
+        itr != p.end(); ++itr) {
+      o << (*itr).pt << ":";
+      for(unsigned int i = 0; i < 4; ++i) {
+        o << (*itr).count[i] << ",";
+      } o << " ";
+      //o << (*itr).first << ":" <<  (*itr).second << "; ";
+    }
+    o << "} ";
+    return o;
+  }
+
+  template <typename Unit>
+  inline std::istream& operator>> (std::istream& i, polygon_45_set_data<Unit>& p) {
+    //TODO
+    return i;
+  }
+  template <typename T>
+  std::ostream& operator << (std::ostream& o, const polygon_90_data<T>& r)
+  {
+    o << "Polygon { ";
+    for(typename polygon_90_data<T>::iterator_type itr = r.begin(); itr != r.end(); ++itr) {
+      o << *itr << ", ";
+    }
+    return o << "} ";
+  }
+
+  template <typename T>
+  std::istream& operator >> (std::istream& i, polygon_90_data<T>& r)
+  {
+    std::size_t size;
+    i >> size; 
+    std::vector<T> vec;
+    vec.reserve(size);
+    for(std::size_t ii = 0; ii < size; ++ii) {
+      T coord;
+      i >> coord;
+      vec.push_back(coord);
+    }
+    r.set_compact(vec.begin(), vec.end());
+    return i;
+  }
+  
+  template <typename T>
+  std::ostream& operator << (std::ostream& o, const std::vector<polygon_90_data<T> >& r) {
+    o << r.size() << ' ';
+    for(std::size_t ii = 0; ii < r.size(); ++ii) {
+      o << (r[ii]); 
+    }
+    return o;
+  }
+  template <typename T>
+  std::istream& operator >> (std::istream& i, std::vector<polygon_90_data<T> >& r) {
+    std::size_t size;
+    i >> size;
+    r.clear();
+    r.reserve(size);
+    for(std::size_t ii = 0; ii < size; ++ii) {
+      polygon_90_data<T> tmp;
+      i >> tmp;
+      r.push_back(tmp);
+    }
+    return i;
+  }
+  template <typename T>
+  std::ostream& operator<<(std::ostream& o, const polygon_data<T>& poly) {
+    o << "Polygon { ";
+    for(typename polygon_data<T>::iterator_type itr = poly.begin(); 
+        itr != poly.end(); ++itr) {
+      if(itr != poly.begin()) o << ", ";
+      o << (*itr).get(HORIZONTAL) << " " << (*itr).get(VERTICAL);
+    } 
+    o << " } ";
+    return o;
+  } 
+  template <typename T>
+  std::ostream& operator << (std::ostream& o, const polygon_set_data<T>& r)
+  {
+    o << "Polygon Set Data { ";
+    for(typename polygon_set_data<T>::iterator_type itr = r.begin(); itr != r.end(); ++itr) {
+      o << "<" << (*itr).first.first << ", " << (*itr).first.second << ">:" << (*itr).second << " ";
+    }
+    o << "} ";
+    return o;
+  }
+  template <typename T>
+  std::ostream& operator<<(std::ostream& o, const polygon_90_with_holes_data<T>& poly) {
+    o << "Polygon With Holes { ";
+    for(typename polygon_90_with_holes_data<T>::iterator_type itr = poly.begin(); 
+        itr != poly.end(); ++itr) {
+      if(itr != poly.begin()) o << ", ";
+      o << (*itr).get(HORIZONTAL) << " " << (*itr).get(VERTICAL);
+    } o << " { ";
+    for(typename polygon_90_with_holes_data<T>::iterator_holes_type itr = poly.begin_holes();
+        itr != poly.end_holes(); ++itr) {
+      o << (*itr);
+    }
+    o << " } } ";
+    return o;
+  }
+  template <typename T>
+  std::ostream& operator<<(std::ostream& o, const polygon_45_with_holes_data<T>& poly) {
+    o << "Polygon With Holes { ";
+    for(typename polygon_45_with_holes_data<T>::iterator_type itr = poly.begin(); 
+        itr != poly.end(); ++itr) {
+      if(itr != poly.begin()) o << ", ";
+      o << (*itr).get(HORIZONTAL) << " " << (*itr).get(VERTICAL);
+    } o << " { ";
+    for(typename polygon_45_with_holes_data<T>::iterator_holes_type itr = poly.begin_holes();
+        itr != poly.end_holes(); ++itr) {
+      o << (*itr);
+    }
+    o << " } } ";
+    return o;
+  }
+  template <typename T>
+  std::ostream& operator<<(std::ostream& o, const polygon_with_holes_data<T>& poly) {
+    o << "Polygon With Holes { ";
+    for(typename polygon_with_holes_data<T>::iterator_type itr = poly.begin(); 
+        itr != poly.end(); ++itr) {
+      if(itr != poly.begin()) o << ", ";
+      o << (*itr).get(HORIZONTAL) << " " << (*itr).get(VERTICAL);
+    } o << " { ";
+    for(typename polygon_with_holes_data<T>::iterator_holes_type itr = poly.begin_holes();
+        itr != poly.end_holes(); ++itr) {
+      o << (*itr);
+    }
+    o << " } } ";
+    return o;
+  }
+  template <class T>
+  std::ostream& operator << (std::ostream& o, const rectangle_data<T>& r)
+  {
+    return o << r.get(HORIZONTAL) << ' ' << r.get(VERTICAL);
+  }
+
+
+  template <typename T>
+  typename enable_if<typename is_polygon_90_set_type<T>::type, void>::type
+  print_is_polygon_90_set_concept(const T& ) { std::cout << "is polygon 90 set concept\n"; }
+  template <typename T>
+  typename enable_if<typename is_mutable_polygon_90_set_type<T>::type, void>::type
+  print_is_mutable_polygon_90_set_concept(const T& ) { std::cout << "is mutable polygon 90 set concept\n"; }
+  namespace boolean_op {
+    //self contained unit test for BooleanOr algorithm
+    template <typename Unit>
+    inline bool testBooleanOr() {
+      BooleanOp<int, Unit> booleanOr;
+      //test one rectangle
+      std::vector<std::pair<interval_data<Unit>, int> > container;
+      booleanOr.processInterval(container, interval_data<Unit>(0, 10), 1);
+      booleanOr.advanceScan();
+      booleanOr.processInterval(container, interval_data<Unit>(0, 10), -1);
+      if(container.size() != 2) { 
+        std::cout << "Test one rectangle, wrong output size\n";
+        return false;
+      }
+      if(container[0] != std::pair<interval_data<Unit>, int>(interval_data<Unit>(0, 10), 1)) {
+        std::cout << "Test one rectangle, first output wrong: Interval(" <<
+          container[0].first << "), " << container[0].second << std::endl;
+      }
+      if(container[1] != std::pair<interval_data<Unit>, int>(interval_data<Unit>(0, 10), -1)) {
+        std::cout << "Test one rectangle, second output wrong: Interval(" <<
+          container[1].first << "), " << container[1].second << std::endl;
+      }
+
+      //test two rectangles
+      container.clear();
+      booleanOr = BooleanOp<int, Unit>();
+      booleanOr.processInterval(container, interval_data<Unit>(0, 10), 1);
+      booleanOr.advanceScan();
+      booleanOr.processInterval(container, interval_data<Unit>(5, 15), 1);
+      booleanOr.advanceScan();
+      booleanOr.processInterval(container, interval_data<Unit>(0, 10), -1);
+      booleanOr.advanceScan();
+      booleanOr.processInterval(container, interval_data<Unit>(5, 15), -1);
+      if(container.size() != 4) {
+        std::cout << "Test two rectangles, wrong output size\n";
+        for(std::size_t i = 0; i < container.size(); ++i){
+          std::cout << container[i].first << "), " << container[i].second << std::endl;
+        }
+        return false;
+      }
+      if(container[0] != std::pair<interval_data<Unit>, int>(interval_data<Unit>(0, 10), 1)) {
+        std::cout << "Test two rectangles, first output wrong: Interval(" <<
+          container[0].first << "), " << container[0].second << std::endl;
+      }
+      if(container[1] != std::pair<interval_data<Unit>, int>(interval_data<Unit>(10, 15), 1)) {
+        std::cout << "Test two rectangles, second output wrong: Interval(" <<
+          container[1].first << "), " << container[1].second << std::endl;
+      }
+      if(container[2] != std::pair<interval_data<Unit>, int>(interval_data<Unit>(0, 5), -1)) {
+        std::cout << "Test two rectangles, third output wrong: Interval(" <<
+          container[2].first << "), " << container[2].second << std::endl;
+      }
+      if(container[3] != std::pair<interval_data<Unit>, int>(interval_data<Unit>(5, 15), -1)) {
+        std::cout << "Test two rectangles, fourth output wrong: Interval(" <<
+          container[3].first << "), " << container[3].second << std::endl;
+      }
+
+      //test two rectangles
+      container.clear();
+      booleanOr = BooleanOp<int, Unit>();
+      booleanOr.processInterval(container, interval_data<Unit>(5, 15), 1);
+      booleanOr.advanceScan();
+      booleanOr.processInterval(container, interval_data<Unit>(0, 10), 1);
+      booleanOr.advanceScan();
+      booleanOr.processInterval(container, interval_data<Unit>(5, 15), -1);
+      booleanOr.advanceScan();
+      booleanOr.processInterval(container, interval_data<Unit>(0, 10), -1);
+      if(container.size() != 4) {
+        std::cout << "Test other two rectangles, wrong output size\n";
+        for(std::size_t i = 0; i < container.size(); ++i){
+          std::cout << container[i].first << "), " << container[i].second << std::endl;
+        }
+        return false;
+      }
+      if(container[0] != std::pair<interval_data<Unit>, int>(interval_data<Unit>(5, 15), 1)) {
+        std::cout << "Test other two rectangles, first output wrong: Interval(" <<
+          container[0].first << "), " << container[0].second << std::endl;
+      }
+      if(container[1] != std::pair<interval_data<Unit>, int>(interval_data<Unit>(0, 5), 1)) {
+        std::cout << "Test other two rectangles, second output wrong: Interval(" <<
+          container[1].first << "), " << container[1].second << std::endl;
+      }
+      if(container[2] != std::pair<interval_data<Unit>, int>(interval_data<Unit>(10, 15), -1)) {
+        std::cout << "Test other two rectangles, third output wrong: Interval(" <<
+          container[2].first << "), " << container[2].second << std::endl;
+      }
+      if(container[3] != std::pair<interval_data<Unit>, int>(interval_data<Unit>(0, 10), -1)) {
+        std::cout << "Test other two rectangles, fourth output wrong: Interval(" <<
+          container[3].first << "), " << container[3].second << std::endl;
+      }
+
+      //test two nonoverlapping rectangles
+      container.clear();
+      booleanOr = BooleanOp<int, Unit>();
+      booleanOr.processInterval(container, interval_data<Unit>(0, 10), 1);
+      booleanOr.advanceScan();
+      booleanOr.processInterval(container, interval_data<Unit>(15, 25), 1);
+      booleanOr.advanceScan();
+      booleanOr.processInterval(container, interval_data<Unit>(0, 10), -1);
+      booleanOr.advanceScan();
+      booleanOr.processInterval(container, interval_data<Unit>(15, 25), -1);
+      if(container.size() != 4) {
+        std::cout << "Test two nonoverlapping rectangles, wrong output size\n";
+        return false;
+      }
+      if(container[0] != std::pair<interval_data<Unit>, int>(interval_data<Unit>(0, 10), 1)) {
+        std::cout << "Test two nonoverlapping rectangles, first output wrong: Interval(" <<
+          container[0].first << "), " << container[0].second << std::endl;
+      }
+      if(container[1] != std::pair<interval_data<Unit>, int>(interval_data<Unit>(15, 25), 1)) {
+        std::cout << "Test two nonoverlapping rectangles, second output wrong: Interval(" <<
+          container[1].first << "), " << container[1].second << std::endl;
+      }
+      if(container[2] != std::pair<interval_data<Unit>, int>(interval_data<Unit>(0, 10), -1)) {
+        std::cout << "Test two nonoverlapping rectangles, third output wrong: Interval(" <<
+          container[2].first << "), " << container[2].second << std::endl;
+      }
+      if(container[3] != std::pair<interval_data<Unit>, int>(interval_data<Unit>(15, 25), -1)) {
+        std::cout << "Test two nonoverlapping rectangles, fourth output wrong: Interval(" <<
+          container[3].first << "), " << container[3].second << std::endl;
+      }
+      return true;
+    }
+  }
+
+  void test_assign() {
+    using namespace gtl;
+    std::vector<polygon_data<int> > ps;
+    polygon_90_set_data<int> ps90;
+    assign(ps, ps90);
+  }
+
+  //this is a compile time test, if it compiles it passes
+  void test_view_as() {
+    using namespace gtl;
+    polygon_data<int> p;
+    polygon_45_data<int> p45;
+    polygon_90_data<int> p90;
+    polygon_with_holes_data<int> pwh;
+    polygon_45_with_holes_data<int> p45wh;
+    polygon_90_with_holes_data<int> p90wh;
+    rectangle_data<int> rect(0, 1, 10, 11);
+    polygon_90_set_data<int> ps90;
+    polygon_45_set_data<int> ps45;
+    polygon_set_data<int> ps;
+  
+    assign(p, rect);
+    assign(p90, view_as<polygon_90_concept>(p));
+    if(!equivalence(p90, rect))
+      std::cout << "fail 1\n";
+    assign(p45, view_as<polygon_45_concept>(p));
+    if(!equivalence(p45, rect))
+      std::cout << "fail 2\n";
+    assign(p90, view_as<polygon_90_concept>(p45));
+    if(!equivalence(p90, rect))
+      std::cout << "fail 3\n";
+    if(!equivalence(rect, view_as<rectangle_concept>(p)))
+      std::cout << "fail 4\n";
+    if(!equivalence(rect, view_as<rectangle_concept>(p45)))
+      std::cout << "fail 5\n";
+    if(!equivalence(rect, view_as<rectangle_concept>(p90)))
+      std::cout << "fail 6\n";
+    assign(pwh, rect);
+    assign(p90wh, rect);
+    assign(p45wh, rect);
+    if(!equivalence(rect, view_as<rectangle_concept>(pwh)))
+      std::cout << "fail 7\n";
+    if(!equivalence(rect, view_as<rectangle_concept>(p45wh)))
+      std::cout << "fail 8\n";
+    if(!equivalence(rect, view_as<rectangle_concept>(p90wh)))
+      std::cout << "fail 9\n";
+    assign(p90wh, view_as<polygon_90_with_holes_concept>(pwh));
+    if(!equivalence(p90wh, rect))
+      std::cout << "fail 10\n";
+    assign(p45wh, view_as<polygon_45_with_holes_concept>(pwh));
+    if(!equivalence(p45wh, rect))
+      std::cout << "fail 11\n";
+    assign(p90wh, view_as<polygon_90_with_holes_concept>(p45wh));
+    if(!equivalence(p90wh, rect))
+      std::cout << "fail 12\n"; 
+    assign(p90, view_as<polygon_90_concept>(pwh));
+    if(!equivalence(p90, rect))
+      std::cout << "fail 13\n";
+    assign(p45, view_as<polygon_45_concept>(pwh));
+    if(!equivalence(p45, rect))
+      std::cout << "fail 14\n";
+    assign(p90, view_as<polygon_90_concept>(p45wh));
+    if(!equivalence(p90, rect))
+      std::cout << "fail 15\n";
+    assign(ps, rect);
+    assign(ps90, view_as<polygon_90_set_concept>(ps));
+    if(!equivalence(ps90, rect))
+      std::cout << "fail 16\n";
+    assign(ps45, view_as<polygon_45_set_concept>(ps));
+    if(!equivalence(ps45, rect))
+      std::cout << "fail 17\n";
+    assign(ps90, view_as<polygon_90_set_concept>(ps45));
+    if(!equivalence(ps90, rect))
+      std::cout << "fail 18\n";
+  }
+
+  inline bool testPolygon45SetRect() {
+    std::vector<point_data<int> > points;
+    points.push_back(point_data<int>(0,0));
+    points.push_back(point_data<int>(0,10));
+    points.push_back(point_data<int>(10,10));
+    points.push_back(point_data<int>(10,0));
+    polygon_45_data<int> poly;
+    poly.set(points.begin(), points.end());
+    polygon_45_set_data<int> ps;
+    ps.insert(poly);
+    std::vector<polygon_45_data<int> > polys;
+    ps.get_polygons(polys);
+    std::cout << polys.size() << std::endl;
+    for(unsigned int i = 0; i < polys.size(); ++i) {
+      std::cout << polys[i] << std::endl;
+    }
+    return true;
+  }
+
+  inline bool testPolygon45Set() {
+    polygon_45_formation<int>::Polygon45Formation pf(true);
+    typedef boolean_op_45<int>::Vertex45 Vertex45;
+    std::vector<Vertex45> data;
+    // result == 0 8 -1 1
+    data.push_back(Vertex45(point_data<int>(0, 8), -1, 1));
+    // result == 0 8 1 -1
+    data.push_back(Vertex45(point_data<int>(0, 8), 1, -1));
+    // result == 4 0 1 1
+    data.push_back(Vertex45(point_data<int>(4, 0), 1, 1));
+    // result == 4 0 2 1
+    data.push_back(Vertex45(point_data<int>(4, 0), 2, 1));
+    // result == 4 4 2 -1
+    data.push_back(Vertex45(point_data<int>(4, 4), 2, -1));
+    // result == 4 4 -1 -1
+    data.push_back(Vertex45(point_data<int>(4, 4), -1, -1));
+    // result == 4 12 1 1
+    data.push_back(Vertex45(point_data<int>(4, 12), 1, 1));
+    // result == 4 12 2 1
+    data.push_back(Vertex45(point_data<int>(4, 12), 2, 1));
+    // result == 4 16 2 -1
+    data.push_back(Vertex45(point_data<int>(4, 16), 2, 1));
+    // result == 4 16 -1 -1
+    data.push_back(Vertex45(point_data<int>(4, 16), -1, -1));
+    // result == 6 2 1 -1
+    data.push_back(Vertex45(point_data<int>(6, 2), 1, -1));
+    // result == 6 14 -1 1
+    data.push_back(Vertex45(point_data<int>(6, 14), -1, 1));
+    // result == 6 2 -1 1
+    data.push_back(Vertex45(point_data<int>(6, 2), -1, 1));
+    // result == 6 14 1 -1
+    data.push_back(Vertex45(point_data<int>(6, 14), 1, -1));
+    // result == 8 0 -1 -1
+    data.push_back(Vertex45(point_data<int>(8, 0), -1, -1));
+    // result == 8 0 2 -1
+    data.push_back(Vertex45(point_data<int>(8, 0), 2, -1));
+    // result == 8 4 2 1
+    data.push_back(Vertex45(point_data<int>(8, 4), 2, 1));
+    // result == 8 4 1 1
+    data.push_back(Vertex45(point_data<int>(8, 4), 1, 1));
+    // result == 8 12 -1 -1
+    data.push_back(Vertex45(point_data<int>(8, 12), -1, -1));
+    // result == 8 12 2 -1
+    data.push_back(Vertex45(point_data<int>(8, 12), 2, -1));
+    // result == 8 16 2 1
+    data.push_back(Vertex45(point_data<int>(8, 16), 2, 1));
+    // result == 8 16 1 1
+    data.push_back(Vertex45(point_data<int>(8, 16), 1, 1));
+    // result == 12 8 1 -1
+    data.push_back(Vertex45(point_data<int>(12, 8), 1, -1));
+    // result == 12 8 -1 1
+    data.push_back(Vertex45(point_data<int>(12, 8), -1, 1));
+
+    data.push_back(Vertex45(point_data<int>(6, 4), 1, -1));
+    data.push_back(Vertex45(point_data<int>(6, 4), 2, -1));
+    data.push_back(Vertex45(point_data<int>(6, 12), -1, 1));
+    data.push_back(Vertex45(point_data<int>(6, 12), 2, 1));
+    data.push_back(Vertex45(point_data<int>(10, 8), -1, -1));
+    data.push_back(Vertex45(point_data<int>(10, 8), 1, 1));
+
+    std::sort(data.begin(), data.end());
+    std::vector<polygon_45_data<int> > polys;
+    pf.scan(polys, data.begin(), data.end());
+    polygon_45_set_data<int> ps;
+    std::cout << "inserting1\n";
+    //std::vector<point_data<int> > points;
+    //points.push_back(point_data<int>(0,0));
+    //points.push_back(point_data<int>(0,10));
+    //points.push_back(point_data<int>(10,10));
+    //points.push_back(point_data<int>(10,0));
+    //Polygon45 poly;
+    //poly.set(points.begin(), points.end());
+    //ps.insert(poly);
+    ps.insert(polys[0]);
+
+    polygon_45_set_data<int> ps2;
+    std::cout << "inserting2\n";
+    ps2.insert(polys[0]);
+    std::cout << "applying boolean\n";
+    ps |= ps2;
+    std::vector<polygon_45_data<int> > polys2;
+    std::cout << "getting result\n";
+    ps.get_polygons(polys2);
+    std::cout << ps2 << std::endl;
+    std::cout << ps << std::endl;
+    std::cout << polys[0] << std::endl;
+    std::cout << polys2[0] << std::endl;
+    if(polys != polys2) std::cout << "test Polygon45Set failed\n";
+    return polys == polys2;
+  }
+
+  inline bool testPolygon45SetPerterbation() {
+    polygon_45_formation<int>::Polygon45Formation pf(true);
+    typedef boolean_op_45<int>::Vertex45 Vertex45;
+    std::vector<Vertex45> data;
+    // result == 0 8 -1 1
+    data.push_back(Vertex45(point_data<int>(0, 80), -1, 1));
+    // result == 0 8 1 -1
+    data.push_back(Vertex45(point_data<int>(0, 80), 1, -1));
+    // result == 4 0 1 1
+    data.push_back(Vertex45(point_data<int>(40, 0), 1, 1));
+    // result == 4 0 2 1
+    data.push_back(Vertex45(point_data<int>(40, 0), 2, 1));
+    // result == 4 4 2 -1
+    data.push_back(Vertex45(point_data<int>(40, 40), 2, -1));
+    // result == 4 4 -1 -1
+    data.push_back(Vertex45(point_data<int>(40, 40), -1, -1));
+    // result == 4 12 1 1
+    data.push_back(Vertex45(point_data<int>(40, 120), 1, 1));
+    // result == 4 12 2 1
+    data.push_back(Vertex45(point_data<int>(40, 120), 2, 1));
+    // result == 4 16 2 -1
+    data.push_back(Vertex45(point_data<int>(40, 160), 2, 1));
+    // result == 4 16 -1 -1
+    data.push_back(Vertex45(point_data<int>(40, 160), -1, -1));
+    // result == 6 2 1 -1
+    data.push_back(Vertex45(point_data<int>(60, 20), 1, -1));
+    // result == 6 14 -1 1
+    data.push_back(Vertex45(point_data<int>(60, 140), -1, 1));
+    // result == 6 2 -1 1
+    data.push_back(Vertex45(point_data<int>(60, 20), -1, 1));
+    // result == 6 14 1 -1
+    data.push_back(Vertex45(point_data<int>(60, 140), 1, -1));
+    // result == 8 0 -1 -1
+    data.push_back(Vertex45(point_data<int>(80, 0), -1, -1));
+    // result == 8 0 2 -1
+    data.push_back(Vertex45(point_data<int>(80, 0), 2, -1));
+    // result == 8 4 2 1
+    data.push_back(Vertex45(point_data<int>(80, 40), 2, 1));
+    // result == 8 4 1 1
+    data.push_back(Vertex45(point_data<int>(80, 40), 1, 1));
+    // result == 8 12 -1 -1
+    data.push_back(Vertex45(point_data<int>(80, 120), -1, -1));
+    // result == 8 12 2 -1
+    data.push_back(Vertex45(point_data<int>(80, 120), 2, -1));
+    // result == 8 16 2 1
+    data.push_back(Vertex45(point_data<int>(80, 160), 2, 1));
+    // result == 8 16 1 1
+    data.push_back(Vertex45(point_data<int>(80, 160), 1, 1));
+    // result == 12 8 1 -1
+    data.push_back(Vertex45(point_data<int>(120, 80), 1, -1));
+    // result == 12 8 -1 1
+    data.push_back(Vertex45(point_data<int>(120, 80), -1, 1));
+
+    data.push_back(Vertex45(point_data<int>(60, 40), 1, -1));
+    data.push_back(Vertex45(point_data<int>(60, 40), 2, -1));
+    data.push_back(Vertex45(point_data<int>(60, 120), -1, 1));
+    data.push_back(Vertex45(point_data<int>(60, 120), 2, 1));
+    data.push_back(Vertex45(point_data<int>(100, 80), -1, -1));
+    data.push_back(Vertex45(point_data<int>(100, 80), 1, 1));
+
+    std::sort(data.begin(), data.end());
+    std::vector<polygon_45_data<int> > polys;
+    pf.scan(polys, data.begin(), data.end());
+    polygon_45_set_data<int> ps;
+    std::cout << "inserting1\n";
+    //std::vector<point_data<int> > points;
+    //points.push_back(point_data<int>(0,0));
+    //points.push_back(point_data<int>(0,10));
+    //points.push_back(point_data<int>(10,10));
+    //points.push_back(point_data<int>(10,0));
+    //Polygon45 poly;
+    //poly.set(points.begin(), points.end());
+    //ps.insert(poly);
+    polygon_45_set_data<int> preps(polys[0]);
+   
+    ps.insert(polys[0]);
+    convolve(polys[0], point_data<int>(0, 1) );
+
+    polygon_45_set_data<int> ps2;
+    std::cout << "inserting2\n";
+    ps2.insert(polys[0]);
+    std::cout << "applying boolean\n";
+    ps |= ps2;
+    std::vector<polygon_45_data<int> > polys2;
+    std::cout << "getting result\n";
+    ps.get_polygons(polys2);
+    std::cout << preps << std::endl;
+    std::cout << ps2 << std::endl;
+    std::cout << ps << std::endl;
+    std::cout << polys[0] << std::endl;
+    std::cout << polys2[0] << std::endl;
+    if(polys != polys2) std::cout << "test Polygon45Set failed\n";
+    return polys == polys2;
+    //return true;
+  }
+
+  inline int testPolygon45SetDORA() {
+    std::cout << "testPolygon45SetDORA" << std::endl;
+    std::vector<point_data<int> > pts;
+    pts.push_back(point_data<int>(0, 0));
+    pts.push_back(point_data<int>(10, 0));
+    pts.push_back(point_data<int>(10, 10));
+    pts.push_back(point_data<int>(0, 10));
+    polygon_45_data<int> apoly;
+    apoly.set(pts.begin(), pts.end());
+    polygon_45_set_data<int> ps(apoly);
+    polygon_45_set_data<int> ps2(ps);
+    ps2 = apoly;
+    std::vector<polygon_45_data<int> > apolys;
+    apolys.push_back(apoly);
+    ps2.insert(apolys.begin(), apolys.end());
+    apolys.clear();
+    ps2.get(apolys);
+    std::cout << apolys.size() << std::endl;
+    std::cout << (ps == ps2) << std::endl;
+    std::cout << !(ps != ps2) << std::endl;
+    ps2.clear();
+    std::cout << (ps2.value().empty()) << std::endl;
+    ps2.set(apolys.begin(), apolys.end());
+    ps2.set(ps.value());
+    ps.clean();
+    ps2.set_clean(ps.value());
+    ps2.insert(ps.value().begin(), ps.value().end());
+    ps2.clear();
+    for(polygon_45_set_data<int>::iterator_type itr = ps.begin();
+        itr != ps.end(); ++itr) {
+      ps2.insert(*itr);
+    }
+    std::vector<polygon_45_with_holes_data<int> > apolywhs;
+    ps2.get_polygons_with_holes(apolywhs);
+    std::cout << apolywhs.size() << std::endl;
+    ps2 += 1;
+    apolywhs.clear();
+    ps2.get_polygons_with_holes(apolywhs);
+    if(apolywhs.size()) std::cout << apolywhs[0] << std::endl;
+    ps2 -= 1;
+    apolywhs.clear();
+    ps2.get_polygons_with_holes(apolywhs);
+    if(apolywhs.size()) std::cout << apolywhs[0] << std::endl;
+    else {
+      std::cout << "test failed\n";
+      return 1;
+    }
+    rectangle_data<int> rect;
+    extents(rect, apolywhs[0]);
+    ps2.clear();
+    ps2.insert(rect);
+    ps2.extents(rect);
+    ps2.clear();
+    ps2.insert(rect);
+    ps2.clear();
+    ps2.insert(apolywhs[0]);
+    apolywhs.clear();
+    ps2.get_trapezoids(apolywhs);
+    if(apolywhs.size()) std::cout << apolywhs[0] << std::endl;
+    else {
+      std::cout << "test failed\n";
+      return 1;
+    }
+    ps2 *= ps;
+    std::cout << (ps2 == ps) << std::endl;
+    ps2 ^= ps;
+    std::cout << ps2.empty() << std::endl;
+    axis_transformation atr(axis_transformation::WS);
+    ps2 = ps;
+    ps.transform(atr);
+    transformation<int> tr(atr);
+    tr.invert();
+    ps.transform(tr);
+    ps.scale_up(2);
+    ps.scale_down(2);
+    std::cout << (ps2 == ps) << std::endl;
+    pts.clear();
+    pts.push_back(point_data<int>(0,0));
+    pts.push_back(point_data<int>(10,10));
+    pts.push_back(point_data<int>(10,11));
+    pts.push_back(point_data<int>(0,21));
+    apoly.set(pts.begin(), pts.end());
+    ps2.clear();
+    ps2.insert(apoly);
+    ps2 -= 1;
+    apolywhs.clear();
+    ps2.get_polygons_with_holes(apolywhs);
+    if(apolywhs.size()) std::cout << apolywhs[0] << std::endl;
+    else {
+      std::cout << "test failed\n";
+      return 1;
+    }
+    pts.clear();
+    pts.push_back(point_data<int>(0, 0));
+    pts.push_back(point_data<int>(10, 10));
+    pts.push_back(point_data<int>(0, 20));
+    apoly.set(pts.begin(), pts.end());
+    ps2.clear();
+    ps2.insert(apoly);
+    pts.clear();
+    pts.push_back(point_data<int>(0, 5));
+    pts.push_back(point_data<int>(10, 15));
+    pts.push_back(point_data<int>(0, 25));
+    apoly.set(pts.begin(), pts.end());
+    ps2.insert(apoly);
+    apolywhs.clear();
+    ps2.get_polygons_with_holes(apolywhs);
+    if(apolywhs.size()) std::cout << apolywhs[0] << std::endl;
+    else {
+      std::cout << "test failed\n";
+      return 1;
+    }
+    return 0;
+
+  }
+}
+}
+using namespace gtl;
+
+bool testInterval() {
+  interval_data<int> interval(0, 10), interval2(10, 20);
+  if(!abuts(interval, interval2)) return false;
+  if(!boundaries_intersect(interval, interval2)) return false;
+  if(boundaries_intersect(interval, interval2, false)) return false;
+  if(intersect(interval, interval2, false)) return false;
+  if(!intersect(interval, interval2)) return false;
+  if(euclidean_distance(interval, interval2) != 0) return false;
+  encompass(interval, interval2);
+  set(interval, LOW, 0);
+  high(interval, 10);
+  scale(interval, 2.0f);
+  scale(interval, 0.5f);
+  if(low(interval) != 0) return false;
+  if(high(interval) != 10) return false;
+  move(interval, 10);
+  if(!equivalence(interval, interval2)) return false;
+  flip(interval, 10);
+  bloat(interval, -2);
+  shrink(interval, -2);
+  flip(interval, 10);
+  if(!equivalence(interval, interval2)) return false;
+  interval_data<int> half = get_half(interval, LOW);
+  if(high(half) != 15) return false;
+  convolve(interval, interval2);
+  if(high(interval) != 40) return false;
+  deconvolve(interval, interval2);
+  if(!equivalence(interval, interval2)) return false;
+  reflected_convolve(interval, interval2);
+  if(low(interval) != -10) return false;
+  reflected_deconvolve(interval, interval2);
+  if(!equivalence(interval, interval2)) return false;
+  euclidean_distance(interval, 0);
+  move(interval, 20);
+  if(euclidean_distance(interval, interval2) != 10) return false;
+  interval = interval2;
+  move(interval, -5);
+  if(!intersects(interval, interval2)) return false;
+  move(interval, 15);
+  if(!abuts(interval, interval2)) return false;
+  if(abuts(interval, interval2, HIGH)) return false;
+  move(interval, 10);
+  generalized_intersect(interval, interval2);
+  move(interval, -10);
+  if(!equivalence(interval, interval2)) return false;
+  if(get(interval, LOW) != low(interval)) return false;
+  if(get(interval, HIGH) != high(interval)) return false;
+  if(center(interval2) != 15) return false;
+  if(delta(interval2) != 10) return false;
+  assign(interval, interval2);
+  low(interval, 0);
+  if(low(interval) != 0) return false;
+  high(interval, 10);
+  join_with(interval, interval2);
+  if(high(interval) != high(interval2)) return false;
+  return true;
+}
+
+bool testRectangle() {
+  rectangle_data<int> rect, rect2;
+#ifdef BOOST_POLYGON_MSVC
+  horizontal(rect, interval_data<int>(0, 10));
+  vertical(rect, interval_data<int>(20, 30));
+#else
+  horizontal(rect, interval_data<long long>(0, 10));
+  vertical(rect, interval_data<long long>(20, 30));
+#endif
+  xl(rect2, 0);
+  xh(rect2, 10);
+  yl(rect2, 20);
+  yh(rect2, 30);
+  if(euclidean_distance(rect, rect2) != 0) return false;
+  if(euclidean_distance(rect2, rect) != 0) return false;
+#ifdef BOOST_POLYGON_MSVC
+  set(rect, HORIZONTAL, interval_data<int>(0, 10));
+  if(!equivalence(horizontal(rect), interval_data<int>(0, 10))) return false;
+  if(!equivalence(vertical(rect2), interval_data<int>(20, 30))) return false;
+#else
+  set(rect, HORIZONTAL, interval_data<long long>(0, 10));
+  if(!equivalence(horizontal(rect), interval_data<long long>(0, 10))) return false;
+  if(!equivalence(vertical(rect2), interval_data<long long>(20, 30))) return false;
+#endif
+  if(xl(rect) != 0) return false;
+  if(xh(rect) != 10) return false;
+  if(yl(rect) != 20) return false;
+  if(yh(rect) != 30) return false;
+  move(rect, HORIZONTAL, 10);
+  if(xl(rect) != 10) return false;
+#ifdef BOOST_POLYGON_MSVC
+  set_points(rect, point_data<int>(0, 20), point_data<int>(10, 30));
+#else
+  set_points(rect, point_data<int>(0, 20), point_data<long long>(10, 30));
+#endif
+  if(xl(rect) != 0) return false;
+  convolve(rect, rect2);
+  if(xh(rect) != 20) return false;
+  deconvolve(rect, rect2);
+  if(xh(rect) != 10) return false;
+  reflected_convolve(rect, rect2);
+  reflected_deconvolve(rect, rect2);
+  if(!equivalence(rect, rect2)) return false;
+#ifdef BOOST_POLYGON_MSVC
+  convolve(rect, point_data<int>(100, 200));
+#else
+  convolve(rect, point_data<long long>(100, 200));
+#endif
+  if(xh(rect) != 110) return false;
+  deconvolve(rect, point_data<int>(100, 200));
+  if(!equivalence(rect, rect2)) return false;
+  xh(rect, 100);
+  if(delta(rect, HORIZONTAL) != 100) return false;
+  if(area(rect) != 1000) return false;
+  if(half_perimeter(rect) != 110) return false;
+  if(perimeter(rect) != 220) return false;
+  if(guess_orientation(rect) != HORIZONTAL) return false;
+  return true;
+}
+
+
+bool testPolygon() {
+  int rect[4] = {0, 10, 20, 30};
+  iterator_compact_to_points<int*, point_data<int> > itr(rect, rect+4);
+  iterator_compact_to_points<int*, point_data<int> > itr_end(rect, rect+4);
+  std::vector<point_data<int> > points;
+  points.insert(points.end(), itr, itr_end);
+  polygon_90_data<int> p90;
+  assign(p90, rectangle_data<int>(interval_data<int>(0, 10), interval_data<int>(20, 30)));
+  if(winding(p90) != COUNTERCLOCKWISE) return false;
+  polygon_45_data<int> p45;
+  assign(p45, rectangle_data<int>(interval_data<int>(0, 10), interval_data<int>(20, 30)));
+  if(winding(p45) != COUNTERCLOCKWISE) return false;
+  polygon_data<int> p;
+  assign(p, rectangle_data<int>(interval_data<int>(0, 10), interval_data<int>(20, 30)));
+  if(winding(p) != COUNTERCLOCKWISE) return false;
+  set_compact(p90, rect, rect+4);
+  if(winding(p90) != COUNTERCLOCKWISE) return false;
+  points.clear();
+  points.push_back(point_data<int>(0, 0));
+  points.push_back(point_data<int>(10, 10));
+  points.push_back(point_data<int>(0, 20));
+  points.push_back(point_data<int>(-10, 10));
+  set_points(p45, points.begin(), points.end());
+  if(winding(p45) != COUNTERCLOCKWISE) return false;
+  std::swap(points[1], points[3]);
+  set_points(p, points.begin(), points.end());
+  if(winding(p) == COUNTERCLOCKWISE) return false;
+  point_data<int> cp;
+  center(cp, p);
+  if(cp != point_data<int>(0, 10)) return false;
+  move(p, HORIZONTAL, 3);
+  rectangle_data<int> bounding_box;
+  extents(bounding_box, p);
+  if(bounding_box != rectangle_data<int>(interval_data<int>(-7, 13), interval_data<int>(0, 20))) return false;
+  if(area(p90) != 400) return false;
+  if(area(p45) != 200) return false;
+  if(perimeter(p90) != 80) return false;
+  return true;
+}
+
+bool testPolygonAssign() {
+  polygon_data<int> p;
+  polygon_data<int> p1;
+  polygon_45_data<int> p_45;
+  polygon_45_data<int> p_451;
+  polygon_90_data<int> p_90;
+  polygon_90_data<int> p_901;
+  polygon_with_holes_data<int> p_wh;
+  polygon_with_holes_data<int> p_wh1;
+  polygon_45_with_holes_data<int> p_45_wh;
+  polygon_45_with_holes_data<int> p_45_wh1;
+  polygon_90_with_holes_data<int> p_90_wh;
+  polygon_90_with_holes_data<int> p_90_wh1;
+  assign(p, p1);
+  assign(p, p_45);
+  assign(p, p_90);
+  //assign(p, p_wh);
+  //assign(p, p_45_wh);
+  //assign(p, p_90_wh);
+  //assign(p_45, p);
+  assign(p_451, p_45);
+  assign(p_45, p_90);
+  //assign(p_45, p_wh);
+  //assign(p_45, p_45_wh);
+  //assign(p_45, p_90_wh);
+  //assign(p_90, p);
+  //assign(p_90, p_45);
+  assign(p_901, p_90);
+  //assign(p_90, p_wh);
+  //assign(p_90, p_45_wh);
+  //assign(p_90, p_90_wh);
+  assign(p_wh, p); 
+  assign(p_wh, p_45); 
+  assign(p_wh, p_90); 
+  assign(p_wh1, p_wh);
+  assign(p_wh, p_45_wh);
+  assign(p_wh, p_90_wh);
+  //assign(p_45_wh, p); 
+  assign(p_45_wh, p_45); 
+  assign(p_45_wh, p_90); 
+  //assign(p_45_wh, p_wh);
+  assign(p_45_wh1, p_45_wh);
+  //assign(p_90_wh, p); 
+  //assign(p_90_wh, p_45);
+  assign(p_90_wh, p_90);
+  assign(p_90_wh1, p_90_wh);
+  return true;
+}
+
+int testPropertyMerge() {
+  rectangle_data<int> rect1 = construct<rectangle_data<int> >(0, 1, 10, 11);
+  rectangle_data<int> rect2 = construct<rectangle_data<int> >(5, 6, 17, 18);
+  property_merge_90<int, int> pm;
+  pm.insert(rect1, 0);
+  pm.insert(rect2, 1);
+  std::map<std::set<int>, polygon_90_set_data<int> > result;
+  pm.merge(result);
+  std::vector<rectangle_data<int> > rects;
+  std::set<int> key;
+  key.insert(0);
+  result[key].get(rects);
+  std::cout << rects.size() << std::endl;
+  std::vector<polygon_data<int> > polys;
+  result[key].get(polys);
+  std::cout << polys.size() << std::endl;
+  std::vector<polygon_90_with_holes_data<int> > polywhs;
+  result[key].get(polywhs);
+  std::cout << polys.size() << std::endl;
+  return result.size();
+}
+
+bool testPolygonWithHoles() {
+  int rect[4] = {0, 10, 20, 30};
+  iterator_compact_to_points<int*, point_data<int> > itr(rect, rect+4);
+  iterator_compact_to_points<int*, point_data<int> > itr_end(rect, rect+4);
+  std::vector<point_data<int> > points;
+  points.insert(points.end(), itr, itr_end);
+  polygon_45_with_holes_data<int> p45wh;
+  assign(p45wh, rectangle_data<int>(interval_data<int>(0, 10), interval_data<int>(20, 30)));
+  if(winding(p45wh) != COUNTERCLOCKWISE) return false;
+  polygon_45_with_holes_data<int> p45;
+  assign(p45, rectangle_data<int>(interval_data<int>(0, 10), interval_data<int>(20, 30)));
+  if(winding(p45) != COUNTERCLOCKWISE) return false;
+  polygon_45_with_holes_data<int> p;
+  assign(p, rectangle_data<int>(interval_data<int>(0, 10), interval_data<int>(20, 30)));
+  if(winding(p) != COUNTERCLOCKWISE) return false;
+  set_compact(p45wh, rect, rect+4);
+  if(winding(p45wh) != COUNTERCLOCKWISE) return false;
+  points.clear();
+  points.push_back(point_data<int>(0, 0));
+  points.push_back(point_data<int>(10, 10));
+  points.push_back(point_data<int>(0, 20));
+  points.push_back(point_data<int>(-10, 10));
+  set_points(p45, points.begin(), points.end());
+  if(winding(p45) != COUNTERCLOCKWISE) return false;
+  std::swap(points[1], points[3]);
+  set_points(p, points.begin(), points.end());
+  if(winding(p) == COUNTERCLOCKWISE) return false;
+  point_data<int> cp;
+  center(cp, p);
+  if(cp != point_data<int>(0, 10)) return false;
+  move(p, HORIZONTAL, 3);
+  rectangle_data<int> bounding_box;
+  extents(bounding_box, p);
+  if(bounding_box != rectangle_data<int>(interval_data<int>(-7, 13), interval_data<int>(0, 20))) return false;
+  if(area(p45wh) != 400) return false;
+  if(area(p45) != 200) return false;
+  if(perimeter(p45wh) != 80) return false;
+  return true;
+}
+
+using namespace gtl;
+
+typedef int Unit;
+typedef point_data<int> Point;
+typedef interval_data<int> Interval;
+typedef rectangle_data<int> Rectangle;
+typedef polygon_90_data<int> Polygon;
+typedef polygon_90_with_holes_data<int> PolygonWithHoles;
+typedef polygon_45_data<int> Polygon45;
+typedef polygon_45_with_holes_data<int> Polygon45WithHoles;
+typedef polygon_90_set_data<int> PolygonSet;
+typedef polygon_45_set_data<int> Polygon45Set;
+typedef axis_transformation AxisTransform;
+typedef transformation<int> Transform;
+
+bool getRandomBool() {
+  return rand()%2 != 0;
+}
+int getRandomInt() {
+  return rand()%6-2;
+}
+Point getRandomPoint() {
+  int x = rand()%8;
+  int y = rand()%8;
+  return Point(x, y);
+}
+Polygon45 getRandomTriangle() {
+  Point pts[3];
+  pts[0] = getRandomPoint();
+  pts[1] = pts[2] = pts[0];
+  int disp = getRandomInt();
+  bool dir = getRandomBool();
+  x(pts[2], x(pts[2]) + disp);
+  x(pts[1], x(pts[1]) + disp);
+  if(dir)
+    y(pts[1], y(pts[1]) + disp);
+  else 
+    y(pts[1], y(pts[1]) - disp);
+  return Polygon45(pts, pts+3);
+}
+
+bool nonInteger45StessTest() {
+  for(unsigned int tests = 0; tests < 10; ++tests) {
+    Polygon45Set ps1, ps2;
+    std::vector<Polygon45> p45s;
+    for(unsigned int i = 0; i < 10; ++i) {
+      Polygon45 p45 = getRandomTriangle();
+      p45s.push_back(p45);
+      ps1.insert(p45);
+      scale_up(p45, 2);
+      ps2.insert(p45);
+    }
+    std::vector<Polygon45> polys;
+    ps1.get(polys);
+    Polygon45Set ps3;
+    for(unsigned int i = 0; i < polys.size(); ++i) {
+      scale_up(polys[i], 2);
+      ps3.insert(polys[i]);
+    }
+    Polygon45Set ps4 = ps3 ^ ps2;
+    std::vector<Polygon45> polys_error;
+    ps4.get(polys_error);
+    for(unsigned int i = 0; i < polys_error.size(); ++i) {
+      //if(polys_error[i].size() > 3) return false;
+      if(area(polys_error[i]) != 1) {
+        if(area(polys_error[i]) == 2) {
+          //if two area 1 errors merge it will have area 2
+          continue;
+        }
+        std::cout << "test failed\n";
+        for(unsigned int j =0; j < p45s.size(); ++j) {
+          std::cout << p45s[j] << std::endl;
+        }
+        return false;
+      }
+    }
+  }
+  return true;
+}
+
+bool validate_polygon_set_op(Polygon45Set& ps45_o,
+                             const Polygon45Set& ps45_1,
+                             const Polygon45Set& ps45_2,
+                             int op_type) {
+  Polygon45Set s_ps_45_o(ps45_o);
+  Polygon45Set s_ps_45_1(ps45_1);
+  Polygon45Set s_ps_45_2(ps45_2);
+  s_ps_45_o.scale_up(2);
+  s_ps_45_1.scale_up(2);
+  s_ps_45_2.scale_up(2);
+  Polygon45Set s_ps_45_validate;
+  if(op_type == 0) {
+    s_ps_45_validate = s_ps_45_1 + s_ps_45_2;
+    s_ps_45_validate += Rectangle(4, 4, 6, 6);
+  } else if(op_type == 1) {
+    s_ps_45_validate = s_ps_45_1 * s_ps_45_2;
+    s_ps_45_validate -= Rectangle(4, 4, 6, 6);
+  } else if(op_type == 2) {
+    s_ps_45_validate = s_ps_45_1 ^ s_ps_45_2;
+    s_ps_45_validate -= Rectangle(4, 4, 6, 6);
+  } else {
+    s_ps_45_validate = s_ps_45_1 - s_ps_45_2;
+    s_ps_45_validate -= Rectangle(4, 4, 6, 6);
+  }
+  if(s_ps_45_validate != s_ps_45_o) {
+    std::cout << "TEST FAILED\n";
+    std::vector<Polygon45> polys;
+    s_ps_45_o.get(polys);
+    std::cout << "Result:\n";
+    for(unsigned int i = 0; i < polys.size(); ++i) {
+      std::cout << polys[i] << std::endl;
+    }
+    polys.clear();
+    s_ps_45_validate.get(polys);
+    std::cout << "Expected Result:\n";
+    for(unsigned int i = 0; i < polys.size(); ++i) {
+      std::cout << polys[i] << std::endl;
+    }
+    //redo the operation, set breakpoints here
+    switch (op_type) {
+    case 0:
+      ps45_o = ps45_1 + ps45_2;
+      ps45_o.get(polys);//needed to force clean
+      break;
+    case 1:
+      ps45_o = ps45_1 * ps45_2;
+      break;
+    case 2:
+      ps45_o = ps45_1 ^ ps45_2;
+      break;
+    default:
+      ps45_o = ps45_1 - ps45_2;
+    };
+    //redo the check, set breakpoints here
+    if(op_type == 0) {
+      s_ps_45_validate = s_ps_45_1 + s_ps_45_2;
+      s_ps_45_validate += Rectangle(4, 4, 6, 6);
+      s_ps_45_validate.get(polys);
+    } else if(op_type == 1) {
+      s_ps_45_validate = s_ps_45_1 * s_ps_45_2;
+      s_ps_45_validate -= Rectangle(4, 4, 6, 6);
+    } else if(op_type == 2) {
+      s_ps_45_validate = s_ps_45_1 ^ s_ps_45_2;
+      s_ps_45_validate -= Rectangle(4, 4, 6, 6);
+    } else {
+      s_ps_45_validate = s_ps_45_1 - s_ps_45_2;
+      s_ps_45_validate -= Rectangle(4, 4, 6, 6);
+    }
+    return false;
+  }
+  return true;
+}
+
+bool test_two_polygon_sets(const Polygon45Set& ps45_1,
+                           const Polygon45Set& ps45_2) {
+  std::cout << "test two polygon sets \n";
+  std::vector<Polygon45> polys;
+  ps45_1.get(polys);
+  std::cout << "LVALUE:\n";
+  for(unsigned int i = 0; i < polys.size(); ++i) {
+    std::cout << polys[i] << std::endl;
+  }
+  polys.clear();
+  ps45_2.get(polys);
+  std::cout << "RVALUE:\n";
+  for(unsigned int i = 0; i < polys.size(); ++i) {
+    std::cout << polys[i] << std::endl;
+  }
+  Polygon45Set ps45_o;
+  std::cout << "OR\n";
+  ps45_o = ps45_1 + ps45_2;
+  polys.clear();
+  ps45_o.get(polys);
+  for(unsigned int i = 0; i < polys.size(); ++i) {
+    std::cout << polys[i] << std::endl;
+  }
+  if(!validate_polygon_set_op(ps45_o, ps45_1, ps45_2, 0)) return false;
+  std::cout << "AND\n";
+  ps45_o = ps45_1 * ps45_2;
+  polys.clear();
+  ps45_o.get(polys);
+  for(unsigned int i = 0; i < polys.size(); ++i) {
+    std::cout << polys[i] << std::endl;
+  }
+  if(!validate_polygon_set_op(ps45_o, ps45_1, ps45_2, 1)) return false;
+  std::cout << "XOR\n";
+  ps45_o = ps45_1 ^ ps45_2;
+  polys.clear();
+  ps45_o.get(polys);
+  for(unsigned int i = 0; i < polys.size(); ++i) {
+    std::cout << polys[i] << std::endl;
+  }
+  if(!validate_polygon_set_op(ps45_o, ps45_1, ps45_2, 2)) return false;
+  std::cout << "SUBTRACT\n";
+  ps45_o = ps45_1 - ps45_2;
+  polys.clear();
+  ps45_o.get(polys);
+  for(unsigned int i = 0; i < polys.size(); ++i) {
+    std::cout << polys[i] << std::endl;
+  }
+  if(!validate_polygon_set_op(ps45_o, ps45_1, ps45_2, 3)) return false;
+  return true;
+}
+
+bool test_two_polygons(const Polygon45& p45_1,
+                       const Polygon45& p45_2) {
+  Polygon45Set ps45_1, ps45_2;
+  ps45_1.insert(p45_1);
+  ps45_2.insert(p45_2);
+  ps45_1.insert(rectangle_data<int>(10, -100, 20, 100));
+  ps45_2.insert(rectangle_data<int>(0, 10, 100, 20));
+  if(!test_two_polygon_sets(ps45_1, ps45_2)) return false;
+  Polygon45Set ps45_1_c = ps45_1 - Rectangle(0, 0, 2, 5);
+  Polygon45Set ps45_2_c = ps45_2 - Rectangle(0, 0, 2, 5);
+  if(!test_two_polygon_sets(ps45_1_c, ps45_2_c)) return false;
+  if(!test_two_polygon_sets(ps45_1_c, ps45_2)) return false;
+  if(!test_two_polygon_sets(ps45_1, ps45_2_c)) return false;
+  return true;
+}
+
+bool test_45_touch() {
+  using namespace gtl;
+  connectivity_extraction_45<int> ce;
+  rectangle_data<int> rect1(0, 0, 10, 10);
+  rectangle_data<int> rect2(5, 5, 15, 15);
+  rectangle_data<int> rect3(5, 20, 15, 25);
+  ce.insert(rect1);
+  ce.insert(rect2);
+  ce.insert(rect3);
+  std::vector<std::set<int> > graph(3);
+  ce.extract(graph);
+  if(graph[0].size() == 1 && graph[1].size() == 1 && graph[2].size() == 0) {
+    std::set<int>::iterator itr = graph[0].begin();
+    std::cout << *itr << std::endl;
+    std::set<int>::iterator itr1 = graph[1].begin();
+    std::cout << *itr1 << std::endl;
+    return true;
+  }
+  std::cout << "test failed\n";
+  return false;
+}
+
+bool test_45_touch_ur() {
+  using namespace gtl;
+  connectivity_extraction_45<int> ce;
+  rectangle_data<int> rect1(0, 0, 5, 5);
+  rectangle_data<int> rect2(5, 5, 10, 10);
+  ce.insert(rect1);
+  ce.insert(rect2);
+  std::vector<std::set<int> > graph(2);
+  ce.extract(graph);
+  if(graph[0].size() == 1 && graph[1].size() == 1) {
+    std::set<int>::iterator itr = graph[0].begin();
+    std::cout << *itr << std::endl;
+    std::set<int>::iterator itr1 = graph[1].begin();
+    std::cout << *itr1 << std::endl;
+    return true;
+  }
+  std::cout << "test failed\n";
+  return false;
+}
+
+bool test_45_touch_r() {
+  using namespace gtl;
+  connectivity_extraction_45<int> ce;
+  rectangle_data<int> rect1(0, 0, 5, 5);
+  rectangle_data<int> rect2(5, 0, 10, 5);
+  ce.insert(rect1);
+  ce.insert(rect2);
+  std::vector<std::set<int> > graph(2);
+  ce.extract(graph);
+  if(graph[0].size() == 1 && graph[1].size() == 1) {
+    std::set<int>::iterator itr = graph[0].begin();
+    std::cout << *itr << std::endl;
+    std::set<int>::iterator itr1 = graph[1].begin();
+    std::cout << *itr1 << std::endl;
+    return true;
+  }
+  std::cout << "test failed\n";
+  return false;
+}
+
+bool test_45_touch_boundaries() {
+  using namespace gtl;
+  connectivity_extraction_45<int> ce;
+  rectangle_data<int> rect1(0, 0, 10, 10);
+  rectangle_data<int> rect2(10, 0, 20, 10);
+  rectangle_data<int> rect3(20, 0, 30, 10);
+  rectangle_data<int> rect4(0, 10, 10, 20);
+  rectangle_data<int> rect5(10, 10, 20, 20);
+  rectangle_data<int> rect6(20, 10, 30, 20);
+  rectangle_data<int> rect7(0, 20, 10, 30);
+  rectangle_data<int> rect8(10, 20, 20, 30);
+  rectangle_data<int> rect9(20, 20, 30, 30);
+  ce.insert(rect1);
+  ce.insert(rect2);
+  ce.insert(rect3);
+  ce.insert(rect4);
+  ce.insert(rect5);
+  ce.insert(rect6);
+  ce.insert(rect7);
+  ce.insert(rect8);
+  ce.insert(rect9);
+  std::vector<std::set<int> > graph(9);
+  ce.extract(graph);
+  for(unsigned int i = 0; i < 9; ++i) {
+    std::cout << i << ": ";
+    for(std::set<int>::iterator itr = graph[i].begin(); itr != graph[i].end(); ++itr) {
+      std::cout << *itr << " ";
+    } std::cout << std::endl;
+  }
+  if(graph[0].size() == 3 && graph[1].size() == 5 && graph[2].size() == 3 &&
+     graph[3].size() == 5 && graph[4].size() == 8 && graph[5].size() == 5 &&
+     graph[6].size() == 3 && graph[7].size() == 5 && graph[8].size() == 3) {
+    return true;
+  }
+  std::cout << "test failed\n";
+  return false;
+}
+
+bool test_45_concept_interact() {
+  using namespace gtl;
+  std::vector<polygon_45_data<int> > polys;
+  polys += rectangle_data<int>(10, 10, 20, 20);
+  polys += rectangle_data<int>(15, 15, 25, 25);
+  polys += rectangle_data<int>(5, 25, 10, 35);
+  interact(polys, rectangle_data<int>(0, 0, 13, 13));
+  if(polys.size() != 1) return false;
+  return true;
+}
+
+bool test_aa_touch() {
+  using namespace gtl;
+  connectivity_extraction<int> ce;
+  rectangle_data<int> rect1(0, 0, 10, 10);
+  rectangle_data<int> rect2(5, 5, 15, 15);
+  rectangle_data<int> rect3(5, 20, 15, 25);
+  ce.insert(rect1);
+  ce.insert(rect2);
+  ce.insert(rect3);
+  std::vector<std::set<int> > graph(3);
+  ce.extract(graph);
+  if(graph[0].size() == 1 && graph[1].size() == 1 && graph[2].size() == 0) {
+    std::set<int>::iterator itr = graph[0].begin();
+    std::cout << *itr << std::endl;
+    std::set<int>::iterator itr1 = graph[1].begin();
+    std::cout << *itr1 << std::endl;
+    return true;
+  }
+  std::cout << "test failed\n";
+  return false;
+}
+
+bool test_aa_touch_ur() {
+  using namespace gtl;
+  connectivity_extraction<int> ce;
+  rectangle_data<int> rect1(0, 0, 5, 5);
+  rectangle_data<int> rect2(5, 5, 10, 10);
+  ce.insert(rect1);
+  ce.insert(rect2);
+  std::vector<std::set<int> > graph(2);
+  ce.extract(graph);
+  if(graph[0].size() == 1 && graph[1].size() == 1) {
+    std::set<int>::iterator itr = graph[0].begin();
+    std::cout << *itr << std::endl;
+    std::set<int>::iterator itr1 = graph[1].begin();
+    std::cout << *itr1 << std::endl;
+    return true;
+  }
+  std::cout << "test failed\n";
+  return false;
+}
+
+bool test_aa_touch_ur2() {
+  using namespace gtl;
+  connectivity_extraction<int> ce;
+  rectangle_data<int> rect2(5, 5, 10, 10);
+  point_data<int> pts[3] = {
+    point_data<int>(0, 0),
+    point_data<int>(5, 5),
+    point_data<int>(0, 5)
+  };
+  polygon_data<int> poly;
+  poly.set(pts, pts+3);
+  ce.insert(poly);
+  ce.insert(rect2);
+  std::vector<std::set<int> > graph(2);
+  ce.extract(graph);
+  if(graph[0].size() == 1 && graph[1].size() == 1) {
+    std::set<int>::iterator itr = graph[0].begin();
+    std::cout << *itr << std::endl;
+    std::set<int>::iterator itr1 = graph[1].begin();
+    std::cout << *itr1 << std::endl;
+    return true;
+  }
+  std::cout << "test failed\n";
+  return false;
+}
+
+bool test_aa_touch_r() {
+  using namespace gtl;
+  connectivity_extraction<int> ce;
+  rectangle_data<int> rect1(0, 0, 5, 5);
+  rectangle_data<int> rect2(5, 0, 10, 5);
+  ce.insert(rect1);
+  ce.insert(rect2);
+  std::vector<std::set<int> > graph(2);
+  ce.extract(graph);
+  if(graph[0].size() == 1 && graph[1].size() == 1) {
+    std::set<int>::iterator itr = graph[0].begin();
+    std::cout << *itr << std::endl;
+    std::set<int>::iterator itr1 = graph[1].begin();
+    std::cout << *itr1 << std::endl;
+    return true;
+  }
+  std::cout << "test failed\n";
+  return false;
+}
+
+bool test_aa_touch_boundaries() {
+  using namespace gtl;
+  connectivity_extraction<int> ce;
+  rectangle_data<int> rect1(0, 0, 10, 10);
+  rectangle_data<int> rect2(10, 0, 20, 10);
+  rectangle_data<int> rect3(20, 0, 30, 10);
+  rectangle_data<int> rect4(0, 10, 10, 20);
+  rectangle_data<int> rect5(10, 10, 20, 20);
+  rectangle_data<int> rect6(20, 10, 30, 20);
+  rectangle_data<int> rect7(0, 20, 10, 30);
+  rectangle_data<int> rect8(10, 20, 20, 30);
+  rectangle_data<int> rect9(20, 20, 30, 30);
+  ce.insert(rect1);
+  ce.insert(rect2);
+  ce.insert(rect3);
+  ce.insert(rect4);
+  ce.insert(rect5);
+  ce.insert(rect6);
+  ce.insert(rect7);
+  ce.insert(rect8);
+  ce.insert(rect9);
+  std::vector<std::set<int> > graph(9);
+  ce.extract(graph);
+  for(unsigned int i = 0; i < 9; ++i) {
+    std::cout << i << ": ";
+    for(std::set<int>::iterator itr = graph[i].begin(); itr != graph[i].end(); ++itr) {
+      std::cout << *itr << " ";
+    } std::cout << std::endl;
+  }
+  if(graph[0].size() == 3 && graph[1].size() == 5 && graph[2].size() == 3 &&
+     graph[3].size() == 5 && graph[4].size() == 8 && graph[5].size() == 5 &&
+     graph[6].size() == 3 && graph[7].size() == 5 && graph[8].size() == 3) {
+    return true;
+  }
+  std::cout << "test failed\n";
+  return false;
+}
+
+bool test_aa_concept_interact() {
+  using namespace gtl;
+  std::vector<polygon_data<int> > polys;
+  polys += rectangle_data<int>(10, 10, 20, 20);
+  polys += rectangle_data<int>(15, 15, 25, 25);
+  polys += rectangle_data<int>(5, 25, 10, 35);
+  interact(polys, rectangle_data<int>(0, 0, 13, 13));
+  if(polys.size() != 1) return false;
+  return true;
+}
+
+bool test_get_rectangles() {
+  using namespace gtl;
+  polygon_90_set_data<int> ps(VERTICAL);
+  ps += rectangle_data<int>(0, 0, 10, 10);
+  ps += rectangle_data<int>(5, 5, 15, 15);
+  std::vector<polygon_90_data<int> > polys;
+  ps.get_rectangles(polys, HORIZONTAL);
+  for(unsigned int i = 0; i < polys.size(); ++i) {
+    std::cout << polys[i] << std::endl;
+  }
+  if(polys.size() != 3) return false;
+  std::vector<rectangle_data<int> > rects;
+  ps.get_rectangles(rects, HORIZONTAL);
+  for(unsigned int i = 0; i < rects.size(); ++i) {
+    std::cout << rects[i] << std::endl;
+  }
+  if(rects.size() != 3) return false;
+  if(!equivalence(rects[2], rectangle_data<int>(5,10,15,15))) return false;
+
+  get_rectangles(polys, rects, VERTICAL);
+  get_rectangles(rects, polys, HORIZONTAL);
+  return equivalence(rects, polys);
+}
+
+bool test_get_trapezoids() {
+  using namespace gtl;
+  polygon_45_set_data<int> ps;
+  ps += rectangle_data<int>(0, 0, 10, 10);
+  ps += rectangle_data<int>(5, 5, 15, 15);
+  std::vector<polygon_45_data<int> > polys;
+  ps.get_trapezoids(polys, HORIZONTAL);
+  for(unsigned int i = 0; i < polys.size(); ++i) {
+    std::cout << polys[i] << std::endl;
+  }
+  if(polys.size() != 3) return false;
+  std::vector<polygon_45_data<int> > rects;
+  ps.get_trapezoids(rects, HORIZONTAL);
+  for(unsigned int i = 0; i < rects.size(); ++i) {
+    std::cout << rects[i] << std::endl;
+  }
+  if(rects.size() != 3) return false;
+  if(!equivalence(rects[2], rectangle_data<int>(5,10,15,15))) return false;
+  get_trapezoids(polys, rects, VERTICAL);
+  get_trapezoids(rects, polys, HORIZONTAL);
+  return equivalence(rects, polys);
+}
+
+bool test_SQRT1OVER2() {
+  Point pts[] = {
+    Point(100, 100),
+    Point(0, 100),
+    Point(100, 200),
+    Point(0, 300),
+    Point(100, 400),
+    Point(0, 500),
+    Point(100, 500),
+    Point(100, 600),
+    Point(200, 500),
+    Point(300, 600),
+    Point(400, 500),
+    Point(500, 600),
+    Point(500, 500),
+    Point(600, 500),
+    Point(500, 400),
+    Point(600, 300),
+    Point(500, 200),
+    Point(600, 100),
+    Point(500, 100),
+    Point(500, 0),
+    Point(400, 100),
+    Point(300, 0),
+    Point(200, 100),
+    Point(100, 0),
+    Point(100, 100)
+  };
+  Polygon45 p45(pts, pts+25);
+  std::cout << is_45(p45) << std::endl;
+  std::cout << p45 << std::endl;
+  Polygon45Set ps45;
+  ps45 += p45;
+  ps45.resize(10, SQRT1OVER2, ORTHOGONAL);
+  std::vector<Polygon45> polys;
+  ps45.get(polys);
+  if(polys.size() != 1) return false;
+  Point pts2[] = {
+    Point(90, 90),
+    Point(-10, 90),
+    Point(-10, 100),
+    Point(90, 200),
+    Point(-10, 300),
+    Point(90, 400),
+    Point(-10, 500),
+    Point(-10, 510),
+    Point(90, 510),
+    Point(90, 610),
+    Point(100, 610),
+    Point(200, 510),
+    Point(300, 610),
+    Point(400, 510),
+    Point(500, 610),
+    Point(510, 610),
+    Point(510, 510),
+    Point(610, 510),
+    Point(610, 500),
+    Point(510, 400),
+    Point(610, 300),
+    Point(510, 200),
+    Point(610, 100),
+    Point(610, 90),
+    Point(510, 90),
+    Point(510, -10),
+    Point(500, -10),
+    Point(400, 90),
+    Point(300, -10),
+    Point(200, 90),
+    Point(100, -10),
+    Point(90, -10),
+    Point(90, 90)
+  };
+  Polygon45 p45reference(pts2, pts2+33);
+  std::cout << is_45(polys[0]) << std::endl;
+  std::cout << polys[0] << std::endl;
+  std::cout << p45reference << std::endl;
+  std::cout << is_45(p45reference) << std::endl;
+  if(!equivalence(polys[0], p45reference)) {
+    std::cout << "polys don't match\n";
+    return false;
+  }
+  ps45.resize(-10, SQRT1OVER2, ORTHOGONAL);
+  polys.clear();
+  ps45.get(polys);
+  if(polys.size() != 1) return false;
+  std::cout << is_45(polys[0]) << std::endl;
+  std::cout << polys[0] << std::endl;
+  if(!equivalence(polys[0], p45)) {
+    std::cout << "polys don't match\n";
+    return false;
+  }
+  ps45.resize(11, SQRT1OVER2, UNFILLED);
+  polys.clear();
+  ps45.get(polys);
+  if(polys.size() != 1) return false;
+  std::cout << is_45(polys[0]) << std::endl;
+  std::cout << polys[0] << std::endl;
+  return true;
+}
+
+bool test_scaling_by_floating(){
+  Point pts[] = {
+    Point(1, 1),
+    Point(10, 1),
+    Point(1, 10)
+  };
+  Polygon45 poly(pts, pts+3);
+  Polygon45Set ps45;
+  ps45 += poly;
+  ps45.scale(double(2.5));
+  std::vector<Polygon45> polys;
+  ps45.get(polys);
+  for(unsigned int i = 0; i < polys.size(); ++i) {
+    std::cout << polys[i] << std::endl;
+    std::cout << area(polys[i]) << std::endl;
+  }
+  if(polys.size() != 1) return false;
+  if(area(polys[0]) != 242) return false;
+  scale(ps45, double(1)/double(2.5));
+  polys.clear();
+  ps45.get(polys);
+  for(unsigned int i = 0; i < polys.size(); ++i) {
+    std::cout << polys[i] << std::endl;
+  }
+  return equivalence(polys, poly);
+}
+
+bool test_directional_resize() {
+  std::vector<Rectangle> rects;
+  rects.push_back(Rectangle(0, 0, 100, 100));
+  resize(rects, -10, 10, -10, 10);
+  for(unsigned int i = 0; i < rects.size(); ++i) {
+    std::cout << rects[i] << std::endl;
+  }
+  if(rects.size() != 1) return false;
+  if(rects[0] != Rectangle(10, 10, 110, 110)) return false;
+
+  return true;
+}
+
+bool test_self_xor() {
+  std::vector<Rectangle> rects;
+  rects.push_back(Rectangle(0, 0, 10, 10));
+  rects.push_back(Rectangle(5, 5, 15, 15));
+  self_xor(rects);
+  for(unsigned int i = 0; i < rects.size(); ++i) {
+    std::cout << rects[i] << std::endl;
+  }
+  if(rects.size() == 4) return true;
+  else return false;
+}
+
+bool test_grow_and_45() {
+  polygon_45_set_data<int> ps;
+  ps.insert(Rectangle(0, 0, 5, 5));
+  ps.insert(Rectangle(5, 5, 15, 15));
+  grow_and(ps, 2);
+  std::vector<polygon_45_data<int> > rects;
+  ps.get_trapezoids(rects);
+  for(unsigned int i = 0; i < rects.size(); ++i) {
+    std::cout << rects[i] << std::endl;
+  }
+  if(rects.size() != 1) return false;
+  return equivalence(rects, Rectangle(3, 3, 7, 7));
+}
+
+bool test_self_xor_45() {
+  polygon_45_set_data<int> ps;
+  ps.insert(Rectangle(0, 0, 10, 10));
+  ps.insert(Rectangle(5, 5, 15, 15));
+  self_xor(ps);
+  std::vector<polygon_45_data<int> > rects;
+  ps.get_trapezoids(rects);
+  for(unsigned int i = 0; i < rects.size(); ++i) {
+    std::cout << rects[i] << std::endl;
+  }
+  if(rects.size() == 4) return true;
+  else return false;
+}
+
+bool testViewCopyConstruct() {
+  PolygonSet ps1, ps2;
+  ps1.insert(Rectangle(0, 0, 10, 10));
+  ps2.insert(Rectangle(5, 5, 15, 15));
+  PolygonSet psr = ps1 - ps2;
+  std::vector<Rectangle> rects;
+  rects += psr;
+  for(unsigned int i = 0; i < rects.size(); ++i)
+    std::cout << rects[i] << std::endl;
+  if( rects.size() != 2) return false;
+  Polygon45Set ps45_1, ps45_2;
+  ps45_1.insert(Rectangle(0, 0, 10, 10));
+  ps45_2.insert(Rectangle(5, 5, 15, 15));
+  Polygon45Set ps45_r = ps45_1 - ps45_2;
+  std::vector<Polygon45> polys;
+  ps45_r.get_trapezoids(polys);
+  for(unsigned int i = 0; i < polys.size(); ++i)
+    std::cout << polys[i] << std::endl;
+  if( polys.size() != 2) return false;
+  return true;
+}
+
+bool testpip() {
+  std::vector<Point> pts;
+  pts.push_back(Point(0, 0));
+  pts.push_back(Point(10, 0));
+  pts.push_back(Point(20, 10));
+  pts.push_back(Point(0, 20));
+  pts.push_back(Point(30, 40));
+  pts.push_back(Point(-10, 50));
+  pts.push_back(Point(-20, -20));
+  pts.push_back(Point(0, 0));
+  polygon_data<int> poly;
+  polygon_with_holes_data<int> poly2;
+  polygon_45_data<int> poly45;
+  polygon_45_with_holes_data<int> poly245;
+  polygon_90_data<int> poly90;
+  polygon_90_with_holes_data<int> poly290;
+  poly.set(pts.begin(), pts.end());
+  poly2.set(pts.begin(), pts.end());
+  assign(poly45, Rectangle(0, 0, 100, 100));
+  assign(poly245, Rectangle(0, 0, 100, 100));
+  assign(poly90, Rectangle(0, 0, 100, 100));
+  assign(poly290, Rectangle(0, 0, 100, 100));
+  for(unsigned int i = 0; i < pts.size(); ++i) {
+    if(!contains(poly, pts[i], true)) return false;
+    if(contains(poly, pts[i], false)) return false;
+    if(!contains(poly2, pts[i], true)) return false;
+    if(contains(poly2, pts[i], false)) return false;
+  }
+  if(!contains(poly45, pts[0], true)) return false;
+  if(contains(poly245, pts[0], false)) return false;
+  if(!contains(poly90, pts[0], true)) return false;
+  if(contains(poly290, pts[0], false)) return false;
+  Point pt(0, -10);
+  if(contains(poly, pt)) return false;
+  Point p2(0, 1);
+  if(!contains(poly, p2)) return false;
+  return true;
+}
+
+void testHand() {
+  using namespace gtl;
+  int handcoords[] = {
+12375, 11050, 13175, 10200, 15825, 9275, 18750, 8525, 24150, 8300, 27575, 8400, 31775, 7800,
+35975, 7200, 41375, 4800, 42575, 4200, 43175, 4200, 47375, 2400, 49175, 1800, 51150, 2200,
+52275, 2825, 52625, 4150, 52375, 4975, 51575, 6000, 49275, 6850, 45700, 7950, 43175, 9600,
+39575, 10800, 37775, 12000, 37775, 12600, 37775, 13800, 38975, 14400, 41375, 14400, 45575, 13200,
+48600, 13000, 51575, 13200, 55175, 12600, 58775, 12600, 61175, 13200, 62375, 14400, 62550, 15700,
+61975, 16875, 60775, 17600, 60100, 17675, 58525, 17675, 56150, 17575, 52175, 18000, 47975, 18600,
+45575, 19200, 44375, 19200, 42675, 19325, 41600, 19775, 41600, 20500, 42100, 20825, 44975, 20400,
+48575, 20400, 52775, 21000, 53975, 21000, 57575, 21000, 62375, 21000, 65450, 22000, 66300, 23100,
+66100, 24550, 64750, 25925, 62975, 26400, 61175, 26400, 58775, 26400, 56025, 26050, 53450, 26025,
+50975, 26400, 48575, 26400, 46775, 26400, 43650, 26075, 41375, 26400, 40775, 27000, 40775, 27600,
+42225, 28650, 44375, 29400, 48575, 30000, 50975, 31200, 53975, 31800, 58775, 33000, 61200, 34300,
+62375, 35400, 62375, 37200, 61175, 38400, 60000, 38700, 57575, 38400, 54550, 37575, 50975, 36600,
+49075, 36125, 47750, 36125, 45700, 35425, 42350, 34350, 38900, 33775, 30575, 33000, 26975, 33600,
+25975, 34900, 26375, 36600, 28175, 38400, 30575, 40800, 32375, 43800, 33200, 46200, 33200, 48000,
+32650, 49300, 31425, 50000, 29950, 50125, 28825, 49375, 27575, 48000, 25825, 46000, 23975, 44100,
+22175, 42600, 19775, 39600, 17325, 37300, 14975, 34800, 13175, 31800, 10775, 29400, 9600, 27400,
+10175, 27000, 11375, 27600, 12575, 28800, 14375, 31800, 16175, 34800, 18575, 37200, 21575, 39000,
+22775, 40200, 23975, 41400, 24575, 42600, 26375, 44400, 28325, 46000, 29850, 46775, 31175, 46200,
+31550, 44575, 30575, 43200, 28775, 40800, 25775, 38400, 24575, 34800, 24750, 33175, 26975, 31800,
+29975, 31800, 33575, 31800, 37775, 32400, 39575, 33000, 41975, 33600, 45150, 34175, 46975, 34750,
+48575, 35400, 50975, 35400, 51575, 34800, 51875, 33725, 50775, 32575, 48575, 31800, 45750, 30875,
+43775, 30600, 41375, 29400, 38975, 28800, 35975, 28200, 34775, 27600, 34175, 27000, 34775, 25800,
+37175, 25200, 40175, 25200, 43175, 25200, 46775, 25200, 50975, 25425, 53375, 25200, 55175, 24600,
+55525, 23450, 53975, 22200, 52775, 22200, 49075, 21850, 45950, 21925, 40775, 21600, 37775, 21600,
+35150, 21350, 34325, 20950, 34175, 19800, 35975, 19200, 38375, 19200, 40750, 18900, 42575, 18600,
+44375, 18000, 47975, 17400, 50375, 17125, 52025, 16625, 52775, 15600, 52100, 14625, 49675, 14125,
+48625, 14125, 46775, 14400, 44375, 15000, 41375, 15150, 37700, 15275, 34775, 15600, 32850, 15925,
+31775, 15600, 31425, 14875, 32375, 13800, 36575, 11400, 38975, 10200, 41375, 9000, 43075, 8150,
+43650, 7200, 43325, 6250, 42225, 5825, 40800, 6275, 38900, 6925, 35375, 8400, 32375, 10200,
+27575, 11400, 22775, 12600, 19775, 13225, 16775, 13800, 14975, 14400, 13050, 14000, 11975, 12600,
+    0, 0 };
+  std::vector<Point> handpoints;
+  for(unsigned int i = 0; i < 100000; i += 2) {
+    Point pt(handcoords[i], handcoords[i+1]);
+    if(pt == Point(0, 0)) break;
+    handpoints.push_back(pt);
+  }
+  polygon_data<int> handpoly;
+  handpoly.set(handpoints.begin(), handpoints.end());
+  int spiralcoords [] = {
+37200, 3600, 42075, 4025, 47475, 5875, 51000, 7800, 55800, 12300, 59000, 17075, 60000, 20400,
+61200, 25800, 61200, 29400, 60600, 33600, 58800, 38400, 55800, 42600, 53200, 45625,
+49200, 48600, 43200, 51000, 35400, 51600, 29400, 50400, 23400, 47400, 19200, 43800,
+16200, 39600, 14400, 35400, 13200, 29400, 13200, 24000, 15000, 18600, 17400, 13800,
+20525, 10300, 24600, 7200, 29400, 4800, 32450, 4000, 34825, 3675, 35625, 3625,
+35825, 7275, 39600, 7200, 43800, 8400, 46800, 9600, 50400, 12000, 53400, 15000,
+55800, 18600, 57000, 23400, 57600, 27000, 57000, 32400, 55200, 37200, 52200, 41400,
+48000, 45000, 42000, 47400, 35400, 48000, 30000, 46800, 24600, 43800, 20325, 39100,
+17850, 34275, 16800, 27600, 17400, 22200, 20400, 16200, 24600, 11400, 28800, 9000,
+32400, 7800, 33200, 7575, 33925, 11050, 35400, 10800, 37200, 10800, 41400, 11400,
+46200, 13200, 49800, 16200, 51600, 19200, 53400, 23400, 54000, 29400, 52800, 33600,
+49800, 39000, 45000, 42600, 39000, 44400, 33600, 43800, 28200, 42000, 24000, 37800,
+21000, 33000, 20400, 26400, 21600, 21000, 24600, 16200, 28200, 13200, 31875, 11625,
+33200, 15625, 36000, 15000, 39000, 15000, 43800, 16800, 46800, 19200, 49200, 23400,
+49800, 27600, 48750, 32700, 46350, 36275, 42600, 39000, 38400, 40200, 31800, 39000,
+28200, 36600, 25200, 31200, 24600, 26400, 26025, 21800, 28200, 18600, 30600, 16800,
+32575, 19875, 34200, 19200, 36000, 18600, 37200, 18600, 40375, 19125, 43200, 21000,
+45600, 24000, 46200, 27600, 45600, 30600, 43800, 33600, 41475, 35625, 37800, 36600,
+33600, 36000, 30000, 33600, 28200, 28800, 28800, 24600, 30000, 22200, 31200, 23400,
+30600, 25200, 30000, 27000, 30600, 30000, 31800, 32400, 34200, 34200, 38400, 34800,
+41400, 33000, 44025, 30225, 44400, 26400, 43200, 23400, 40900, 21200, 37800, 20400,
+34950, 20675, 32400, 22200, 30175, 19475, 28425, 21300, 27000, 24000, 26400, 27600,
+27000, 31800, 31200, 36600, 36600, 38400, 42600, 37200, 46200, 33600, 48000, 30000,
+47650, 24425, 45600, 20400, 42650, 18200, 39000, 16800, 35400, 16800, 33600, 17400,
+32875, 17675, 31100, 13850, 28200, 15600, 25200, 18600, 22800, 22800, 22200, 27000,
+23400, 33600, 26400, 38400, 31675, 41575, 37800, 42600, 40850, 42150, 42800, 41550,
+47050, 39025, 50100, 35375, 52200, 29400, 51675, 23950, 49800, 19200, 46200, 15600,
+41400, 13200, 37800, 12600, 35025, 12750, 33350, 13050, 32400, 9600, 30025, 10325,
+25925, 12725, 22200, 16800, 19800, 21000, 18600, 25800, 18600, 30000, 20400, 35400,
+22575, 39250, 25225, 41825, 28200, 43800, 33600, 46200, 39000, 46200, 44400, 45000,
+48650, 42350, 52800, 37800, 55200, 32400, 55800, 26400, 54600, 21000, 53400, 18000,
+50400, 14400, 47400, 12000, 42600, 9600, 39000, 9000, 36000, 9000, 34775, 9125,
+34300, 5600, 30000, 6600, 25800, 8400, 22025, 11350, 18725, 15125, 16200, 20400,
+15000, 24600, 15000, 30600, 16800, 36600, 20400, 42600, 25800, 46800, 31200, 49200,
+38400, 49800, 45000, 48600, 51000, 45000, 55475, 40225, 58200, 34800, 59400, 30000,
+59400, 25200, 58200, 19800, 55200, 14400, 52225, 11150, 47400, 7800, 44175, 6500,
+40200, 5400, 38400, 5400, 37200, 5400, 0, 0 };
+  std::vector<Point> spiralpoints;
+  for(unsigned int i = 0; i < 100000; i += 2) {
+    Point pt(spiralcoords[i], spiralcoords[i+1]);
+    if(pt == Point(0, 0)) break;
+    spiralpoints.push_back(pt);
+  }
+  polygon_data<int> spiralpoly;
+  spiralpoly.set(spiralpoints.begin(), spiralpoints.end());
+  polygon_set_data<int> handset;
+  handset += handpoly;
+  polygon_set_data<int> spiralset;
+  spiralset += spiralpoly;
+  polygon_set_data<int> xorset = handset ^ spiralset;
+  std::vector<polygon_data<int> > polys;
+  polys += xorset;
+  std::cout << polys.size() << std::endl;
+  for(unsigned int i = 0; i < polys.size(); ++i)
+    std::cout << polys[i] << std::endl;
+}
+
+//void testHandFloat() {
+//  using namespace gtl;
+//  double handcoords[] = {
+//12375, 11050, 13175, 10200, 15825, 9275, 18750, 8525, 24150, 8300, 27575, 8400, 31775, 7800,
+//35975, 7200, 41375, 4800, 42575, 4200, 43175, 4200, 47375, 2400, 49175, 1800, 51150, 2200,
+//52275, 2825, 52625, 4150, 52375, 4975, 51575, 6000, 49275, 6850, 45700, 7950, 43175, 9600,
+//39575, 10800, 37775, 12000, 37775, 12600, 37775, 13800, 38975, 14400, 41375, 14400, 45575, 13200,
+//48600, 13000, 51575, 13200, 55175, 12600, 58775, 12600, 61175, 13200, 62375, 14400, 62550, 15700,
+//61975, 16875, 60775, 17600, 60100, 17675, 58525, 17675, 56150, 17575, 52175, 18000, 47975, 18600,
+//45575, 19200, 44375, 19200, 42675, 19325, 41600, 19775, 41600, 20500, 42100, 20825, 44975, 20400,
+//48575, 20400, 52775, 21000, 53975, 21000, 57575, 21000, 62375, 21000, 65450, 22000, 66300, 23100,
+//66100, 24550, 64750, 25925, 62975, 26400, 61175, 26400, 58775, 26400, 56025, 26050, 53450, 26025,
+//50975, 26400, 48575, 26400, 46775, 26400, 43650, 26075, 41375, 26400, 40775, 27000, 40775, 27600,
+//42225, 28650, 44375, 29400, 48575, 30000, 50975, 31200, 53975, 31800, 58775, 33000, 61200, 34300,
+//62375, 35400, 62375, 37200, 61175, 38400, 60000, 38700, 57575, 38400, 54550, 37575, 50975, 36600,
+//49075, 36125, 47750, 36125, 45700, 35425, 42350, 34350, 38900, 33775, 30575, 33000, 26975, 33600,
+//25975, 34900, 26375, 36600, 28175, 38400, 30575, 40800, 32375, 43800, 33200, 46200, 33200, 48000,
+//32650, 49300, 31425, 50000, 29950, 50125, 28825, 49375, 27575, 48000, 25825, 46000, 23975, 44100,
+//22175, 42600, 19775, 39600, 17325, 37300, 14975, 34800, 13175, 31800, 10775, 29400, 9600, 27400,
+//10175, 27000, 11375, 27600, 12575, 28800, 14375, 31800, 16175, 34800, 18575, 37200, 21575, 39000,
+//22775, 40200, 23975, 41400, 24575, 42600, 26375, 44400, 28325, 46000, 29850, 46775, 31175, 46200,
+//31550, 44575, 30575, 43200, 28775, 40800, 25775, 38400, 24575, 34800, 24750, 33175, 26975, 31800,
+//29975, 31800, 33575, 31800, 37775, 32400, 39575, 33000, 41975, 33600, 45150, 34175, 46975, 34750,
+//48575, 35400, 50975, 35400, 51575, 34800, 51875, 33725, 50775, 32575, 48575, 31800, 45750, 30875,
+//43775, 30600, 41375, 29400, 38975, 28800, 35975, 28200, 34775, 27600, 34175, 27000, 34775, 25800,
+//37175, 25200, 40175, 25200, 43175, 25200, 46775, 25200, 50975, 25425, 53375, 25200, 55175, 24600,
+//55525, 23450, 53975, 22200, 52775, 22200, 49075, 21850, 45950, 21925, 40775, 21600, 37775, 21600,
+//35150, 21350, 34325, 20950, 34175, 19800, 35975, 19200, 38375, 19200, 40750, 18900, 42575, 18600,
+//44375, 18000, 47975, 17400, 50375, 17125, 52025, 16625, 52775, 15600, 52100, 14625, 49675, 14125,
+//48625, 14125, 46775, 14400, 44375, 15000, 41375, 15150, 37700, 15275, 34775, 15600, 32850, 15925,
+//31775, 15600, 31425, 14875, 32375, 13800, 36575, 11400, 38975, 10200, 41375, 9000, 43075, 8150,
+//43650, 7200, 43325, 6250, 42225, 5825, 40800, 6275, 38900, 6925, 35375, 8400, 32375, 10200,
+//27575, 11400, 22775, 12600, 19775, 13225, 16775, 13800, 14975, 14400, 13050, 14000, 11975, 12600,
+//    0, 0 };
+//  std::vector<point_data<double> > handpoints;
+//  for(unsigned int i = 0; i < 100000; i += 2) {
+//    point_data<double>  pt(handcoords[i], handcoords[i+1]);
+//    if(pt == point_data<double> (0, 0)) break;
+//    handpoints.push_back(pt);
+//  }
+//  polygon_data<double> handpoly;
+//  handpoly.set(handpoints.begin(), handpoints.end());
+//  double spiralcoords [] = {
+//37200, 3600, 42075, 4025, 47475, 5875, 51000, 7800, 55800, 12300, 59000, 17075, 60000, 20400,
+//61200, 25800, 61200, 29400, 60600, 33600, 58800, 38400, 55800, 42600, 53200, 45625,
+//49200, 48600, 43200, 51000, 35400, 51600, 29400, 50400, 23400, 47400, 19200, 43800,
+//16200, 39600, 14400, 35400, 13200, 29400, 13200, 24000, 15000, 18600, 17400, 13800,
+//20525, 10300, 24600, 7200, 29400, 4800, 32450, 4000, 34825, 3675, 35625, 3625,
+//35825, 7275, 39600, 7200, 43800, 8400, 46800, 9600, 50400, 12000, 53400, 15000,
+//55800, 18600, 57000, 23400, 57600, 27000, 57000, 32400, 55200, 37200, 52200, 41400,
+//48000, 45000, 42000, 47400, 35400, 48000, 30000, 46800, 24600, 43800, 20325, 39100,
+//17850, 34275, 16800, 27600, 17400, 22200, 20400, 16200, 24600, 11400, 28800, 9000,
+//32400, 7800, 33200, 7575, 33925, 11050, 35400, 10800, 37200, 10800, 41400, 11400,
+//46200, 13200, 49800, 16200, 51600, 19200, 53400, 23400, 54000, 29400, 52800, 33600,
+//49800, 39000, 45000, 42600, 39000, 44400, 33600, 43800, 28200, 42000, 24000, 37800,
+//21000, 33000, 20400, 26400, 21600, 21000, 24600, 16200, 28200, 13200, 31875, 11625,
+//33200, 15625, 36000, 15000, 39000, 15000, 43800, 16800, 46800, 19200, 49200, 23400,
+//49800, 27600, 48750, 32700, 46350, 36275, 42600, 39000, 38400, 40200, 31800, 39000,
+//28200, 36600, 25200, 31200, 24600, 26400, 26025, 21800, 28200, 18600, 30600, 16800,
+//32575, 19875, 34200, 19200, 36000, 18600, 37200, 18600, 40375, 19125, 43200, 21000,
+//45600, 24000, 46200, 27600, 45600, 30600, 43800, 33600, 41475, 35625, 37800, 36600,
+//33600, 36000, 30000, 33600, 28200, 28800, 28800, 24600, 30000, 22200, 31200, 23400,
+//30600, 25200, 30000, 27000, 30600, 30000, 31800, 32400, 34200, 34200, 38400, 34800,
+//41400, 33000, 44025, 30225, 44400, 26400, 43200, 23400, 40900, 21200, 37800, 20400,
+//34950, 20675, 32400, 22200, 30175, 19475, 28425, 21300, 27000, 24000, 26400, 27600,
+//27000, 31800, 31200, 36600, 36600, 38400, 42600, 37200, 46200, 33600, 48000, 30000,
+//47650, 24425, 45600, 20400, 42650, 18200, 39000, 16800, 35400, 16800, 33600, 17400,
+//32875, 17675, 31100, 13850, 28200, 15600, 25200, 18600, 22800, 22800, 22200, 27000,
+//23400, 33600, 26400, 38400, 31675, 41575, 37800, 42600, 40850, 42150, 42800, 41550,
+//47050, 39025, 50100, 35375, 52200, 29400, 51675, 23950, 49800, 19200, 46200, 15600,
+//41400, 13200, 37800, 12600, 35025, 12750, 33350, 13050, 32400, 9600, 30025, 10325,
+//25925, 12725, 22200, 16800, 19800, 21000, 18600, 25800, 18600, 30000, 20400, 35400,
+//22575, 39250, 25225, 41825, 28200, 43800, 33600, 46200, 39000, 46200, 44400, 45000,
+//48650, 42350, 52800, 37800, 55200, 32400, 55800, 26400, 54600, 21000, 53400, 18000,
+//50400, 14400, 47400, 12000, 42600, 9600, 39000, 9000, 36000, 9000, 34775, 9125,
+//34300, 5600, 30000, 6600, 25800, 8400, 22025, 11350, 18725, 15125, 16200, 20400,
+//15000, 24600, 15000, 30600, 16800, 36600, 20400, 42600, 25800, 46800, 31200, 49200,
+//38400, 49800, 45000, 48600, 51000, 45000, 55475, 40225, 58200, 34800, 59400, 30000,
+//59400, 25200, 58200, 19800, 55200, 14400, 52225, 11150, 47400, 7800, 44175, 6500,
+//40200, 5400, 38400, 5400, 37200, 5400, 0, 0 };
+//  std::vector<point_data<double> > spiralpoints;
+//  for(unsigned int i = 0; i < 100000; i += 2) {
+//    point_data<double>  pt(spiralcoords[i], spiralcoords[i+1]);
+//    if(pt == point_data<double> (0, 0)) break;
+//    spiralpoints.push_back(pt);
+//  }
+//  polygon_data<double> spiralpoly;
+//  spiralpoly.set(spiralpoints.begin(), spiralpoints.end());
+//  polygon_set_data<double> handset;
+//  handset += handpoly;
+//  polygon_set_data<double> spiralset;
+//  spiralset += spiralpoly;
+//  polygon_set_data<double> xorset = handset ^ spiralset;
+//  std::vector<polygon_data<double> > polys;
+//  polys += xorset;
+//  std::cout << polys.size() << std::endl;
+//  for(unsigned int i = 0; i < polys.size(); ++i)
+//    std::cout << polys[i] << std::endl;
+//}
+
+bool testDirectionalSize() {
+  {
+    PolygonSet ps(VERTICAL);
+    ps += Rectangle(0, 0, 100, 100);
+    ps.resize(0, -10, 0, -10);
+    std::vector<Rectangle> rects;
+    ps.get(rects);
+    if(rects.size() != 1) return false;
+    std::cout << rects[0] << std::endl;
+    std::cout << Rectangle(0, 0, 90, 90) << std::endl;
+    if(rects[0] != Rectangle(0, 0, 90, 90)) return false;
+  }
+  {
+    PolygonSet ps(VERTICAL);
+    ps += Rectangle(0, 0, 100, 100);
+    ps.resize(0, 0, 0, -10);
+    std::vector<Rectangle> rects;
+    ps.get(rects);
+    if(rects.size() != 1) return false;
+    std::cout << rects[0] << std::endl;
+    std::cout << Rectangle(0, 0, 100, 90) << std::endl;
+    if(rects[0] != Rectangle(0, 0, 100, 90)) return false;
+  }
+  {
+    PolygonSet ps;
+    ps += Rectangle(0, 0, 100, 100);
+    ps.resize(0, -10, 0, 0);
+    std::vector<Rectangle> rects;
+    ps.get(rects);
+    if(rects.size() != 1) return false;
+    std::cout << rects[0] << std::endl;
+    std::cout << Rectangle(0, 0, 90, 100) << std::endl;
+    if(rects[0] != Rectangle(0, 0, 90, 100)) return false;
+  }
+  {
+    PolygonSet ps;
+    ps += Rectangle(0, 0, 100, 100);
+    ps.resize(0, 0, -10, 0);
+    std::vector<Rectangle> rects;
+    ps.get(rects);
+    if(rects.size() != 1) return false;
+    std::cout << rects[0] << std::endl;
+    std::cout << Rectangle(0, 10, 100, 100) << std::endl;
+    if(rects[0] != Rectangle(0, 10, 100, 100)) return false;
+  }
+  {
+    PolygonSet ps;
+    ps += Rectangle(0, 0, 100, 100);
+    ps.resize(-10, 0, 0, 0);
+    std::vector<Rectangle> rects;
+    ps.get(rects);
+    if(rects.size() != 1) return false;
+    std::cout << rects[0] << std::endl;
+    std::cout << Rectangle(10, 0, 100, 100) << std::endl;
+    if(rects[0] != Rectangle(10, 0, 100, 100)) return false;
+  }
+  {
+    PolygonSet ps;
+    ps += Rectangle(0, 0, 100, 100);
+    ps.resize(-10, 10, 0, 0);
+    std::vector<Rectangle> rects;
+    ps.get(rects);
+    if(rects.size() != 1) return false;
+    std::cout << rects[0] << std::endl;
+    std::cout << Rectangle(10, 0, 110, 100) << std::endl;
+    if(rects[0] != Rectangle(10, 0, 110, 100)) return false;
+  }
+  {
+    PolygonSet ps;
+    ps += Rectangle(0, 0, 100, 100);
+    ps.resize(-10, 10, 10, -10);
+    std::vector<Rectangle> rects;
+    ps.get(rects);
+    if(rects.size() != 1) return false;
+    std::cout << rects[0] << std::endl;
+    std::cout << Rectangle(10, -10, 110, 90) << std::endl;
+    if(rects[0] != Rectangle(10, -10, 110, 90)) return false;
+  }
+  {
+    PolygonSet ps;
+    ps += Rectangle(0, 0, 100, 100);
+    ps.resize(10, 10, -10, -10);
+    std::vector<Rectangle> rects;
+    ps.get(rects);
+    if(rects.size() != 1) return false;
+    std::cout << rects[0] << std::endl;
+    std::cout << Rectangle(-10, 10, 110, 90) << std::endl;
+    if(rects[0] != Rectangle(-10, 10, 110, 90)) return false;
+  }
+  return true;
+}
+
+bool testMaxCover() {
+  std::vector<Rectangle> rects;
+  rects.push_back(Rectangle(Interval(60, 124), Interval( 1, 3)));
+  rects.push_back(Rectangle(Interval(59, 83), Interval( 9, 28)));
+  rects.push_back(Rectangle(Interval(90, 124), Interval( 3, 29)));
+  rects.push_back(Rectangle(Interval(64, 124), Interval( 29, 35)));
+  rects.push_back(Rectangle(Interval(64, 102), Interval( 35, 49)));
+  rects.push_back(Rectangle(Interval(1, 20), Interval( 44, 60)));
+  rects.push_back(Rectangle(Interval(50, 102), Interval( 49, 71)));
+  rects.push_back(Rectangle(Interval(49, 102), Interval( 71, 72)));
+  rects.push_back(Rectangle(Interval(49, 94), Interval( 72, 75)));
+  rects.push_back(Rectangle(Interval(50, 74), Interval( 75, 81)));
+  rects.push_back(Rectangle(Interval(90, 127), Interval( 75, 81)));
+  rects.push_back(Rectangle(Interval(50, 127), Interval( 81, 82)));
+  rects.push_back(Rectangle(Interval(3, 7), Interval( 60, 88)));
+  rects.push_back(Rectangle(Interval(50, 92), Interval( 82, 94)));
+  rects.push_back(Rectangle(Interval(58, 92), Interval( 94, 111)));
+  std::vector<Rectangle> expected_result;
+  expected_result.push_back(Rectangle(Interval(60, 124), Interval( 1, 3)));
+  expected_result.push_back(Rectangle(Interval(90, 124), Interval( 1, 35)));
+  expected_result.push_back(Rectangle(Interval(90, 102), Interval( 1, 72)));
+  expected_result.push_back(Rectangle(Interval(90, 94 ), Interval(1 ,82)));
+  expected_result.push_back(Rectangle(Interval(90, 92), Interval( 1, 111)));
+  expected_result.push_back(Rectangle(Interval(59, 83 ), Interval(9, 28)));
+  expected_result.push_back(Rectangle(Interval(64, 124), Interval( 29, 35)));
+  expected_result.push_back(Rectangle(Interval(64, 102), Interval( 29, 72)));
+  expected_result.push_back(Rectangle(Interval(64, 94), Interval( 29, 75)));
+  expected_result.push_back(Rectangle(Interval(64, 74), Interval( 29, 111)));
+  expected_result.push_back(Rectangle(Interval(1, 20), Interval( 44, 60)));
+  expected_result.push_back(Rectangle(Interval(3, 7), Interval( 44, 88)));
+  expected_result.push_back(Rectangle(Interval(50, 102 ), Interval(49, 72)));
+  expected_result.push_back(Rectangle(Interval(50, 94), Interval( 49, 75)));
+  expected_result.push_back(Rectangle(Interval(50, 74), Interval( 49, 94)));
+  expected_result.push_back(Rectangle(Interval(58, 74), Interval( 49, 111)));
+  expected_result.push_back(Rectangle(Interval(49, 102 ), Interval(71, 72)));
+  expected_result.push_back(Rectangle(Interval(49, 94 ), Interval(71, 75)));
+  expected_result.push_back(Rectangle(Interval(90, 127), Interval( 75, 82)));
+  expected_result.push_back(Rectangle(Interval(50, 127), Interval( 81, 82)));
+  expected_result.push_back(Rectangle(Interval(50, 92), Interval( 81, 94)));
+  expected_result.push_back(Rectangle(Interval(58, 92), Interval( 81, 111)));
+  std::vector<Rectangle> result;
+  get_max_rectangles(result, rects);
+  std::cout << "result XOR clean: " << equivalence(result, rects) << std::endl;
+  std::cout << "expected result XOR clean: " << equivalence(expected_result, rects) << std::endl;
+  std::vector<Rectangle>& output = result;
+  std::vector<Rectangle>& voutput = expected_result;
+  std::sort(output.begin(), output.end(), less_rectangle_concept< Rectangle, Rectangle>());
+  std::sort(voutput.begin(), voutput.end(), less_rectangle_concept< Rectangle, Rectangle>());
+  if(output != voutput) {
+    std::cerr << "Max Rectangle TEST failed\n";
+    for(unsigned int i = 0; i < output.size(); ++i) {
+      std::cerr << output[i] << std::endl;
+    }
+    std::cerr << "Incorrect result\n";
+    for(unsigned int i = 0; i < voutput.size(); ++i) {
+      std::cerr << voutput[i] << std::endl;
+    }
+    std::cerr << "Max Rectangle TEST failed\n";
+    for(unsigned int i = 0; i < rects.size(); ++i) {
+      std::cout << rects[i] << std::endl;
+    }
+    return false;
+  }
+  return true;
+}
+
+void max_cover_stress_test() {
+  for(unsigned int k = 3; k < 20; k++) {
+    for(unsigned int i = 0; i < k * k; ++i) {
+      std::vector<Rectangle> rects, result;
+      //std::cout << "test " << i << std::endl;
+      for(unsigned int j = 0; j < k; ++j) {
+        int x1 = rand() % 100;
+        int x2 = rand() % 50;
+        int y1 = rand() % 100;
+        int y2 = rand() % 50;
+        rects.push_back(Rectangle(x1, y1, x1+x2, y1+y2));
+        //std::cout << rects.back() << std::endl;
+      }
+      get_max_rectangles(result, rects);
+    }
+  }
+}
+
+// namespace boost { namespace polygon{
+//   template <typename GCT, typename T>
+//   struct view_of {};
+
+//   template <typename T>
+//   struct view_of<polygon_45_concept, T> {
+//     const T* t;
+//     view_of(const T& obj) : t(&obj) {}
+//     typedef typename polygon_traits<T>::coordinate_type coordinate_type;
+//     typedef typename polygon_traits<T>::iterator_type iterator_type;
+//     typedef typename polygon_traits<T>::point_type point_type;
+
+//     /// Get the begin iterator
+//     inline iterator_type begin() const {
+//       return polygon_traits<T>::begin_points(*t);
+//     }
+  
+//     /// Get the end iterator
+//     inline iterator_type end() const {
+//       return polygon_traits<T>::end_points(*t);
+//     }
+  
+//     /// Get the number of sides of the polygon
+//     inline unsigned int size() const {
+//       return polygon_traits<T>::size(*t);
+//     }
+  
+//     /// Get the winding direction of the polygon
+//     inline winding_direction winding() const {
+//       return polygon_traits<T>::winding(*t);
+//     }
+//   };
+  
+//   template <typename T1, typename T2>
+//   view_of<T1, T2> view_as(const T2& obj) { return view_of<T1, T2>(obj); }
+
+//   template <typename T>
+//   struct geometry_concept<view_of<polygon_45_concept, T> > {
+//     typedef polygon_45_concept type;
+//   };
+
+//   template <typename T>
+//   struct view_of<polygon_90_concept, T> {
+//     const T* t;
+//     view_of(const T& obj) : t(&obj) {}
+//     typedef typename polygon_traits<T>::coordinate_type coordinate_type;
+//     typedef typename polygon_traits<T>::iterator_type iterator_type;
+//     typedef typename polygon_traits<T>::point_type point_type;
+//     typedef iterator_points_to_compact<iterator_type, point_type> compact_iterator_type;
+
+//     /// Get the begin iterator
+//     inline compact_iterator_type begin_compact() const {
+//       return compact_iterator_type(polygon_traits<T>::begin_points(*t),
+//                                    polygon_traits<T>::end_points(*t));
+//     }
+  
+//     /// Get the end iterator
+//     inline compact_iterator_type end_compact() const {
+//       return compact_iterator_type(polygon_traits<T>::end_points(*t),
+//                                    polygon_traits<T>::end_points(*t));
+//     }
+  
+//     /// Get the number of sides of the polygon
+//     inline unsigned int size() const {
+//       return polygon_traits<T>::size(*t);
+//     }
+  
+//     /// Get the winding direction of the polygon
+//     inline winding_direction winding() const {
+//       return polygon_traits<T>::winding(*t);
+//     }
+//   };
+
+//   template <typename T>
+//   struct geometry_concept<view_of<polygon_90_concept, T> > {
+//     typedef polygon_90_concept type;
+//   };
+// }}
+using namespace gtl;
+
+//this test fails and I'd like to get it to pass
+bool test_colinear_duplicate_points() {
+  Point pts[6] = { Point(0, 10), Point(0, 0), Point(100, 0), Point(100, 100), Point(0, 100), Point(0, 10)};
+  Polygon45 p1;
+  p1.set(pts, pts+5);
+  Polygon45 pg;
+  pg.set(pts, pts+6);
+  Polygon45 p2;
+  p2.set(pts+1, pts+6);
+  std::cout << p2 << std::endl;
+  if(!equivalence(view_as<polygon_90_concept>(p2), view_as<polygon_90_concept>(pg))) return false;
+  std::cout << p1 << std::endl;
+  if(!equivalence(view_as<polygon_90_concept>(p1), view_as<polygon_90_concept>(pg))) return false;
+  return true;
+}
+
+bool test_extents() {
+  PolygonSet psT(gtl::VERTICAL);
+  //int xy[] = { 126, 69, 54, 69, 54, 81, 126, 81 };    
+  //CPolygonQuery polygon(0, 4, xy);
+  //Rectangle rectIn(54, 69, 126, 81);
+  polygon_data<int> polygon;
+  std::vector<Point> pts;
+  pts.push_back(Point(126, 69));
+  pts.push_back(Point(54, 69));
+  pts.push_back(Point(54, 81));
+  pts.push_back(Point(126, 81));
+  psT.insert(view_as<polygon_90_concept>(polygon));
+  
+  Rectangle rect, rect2;
+  psT.extents(rect2);
+  gtl::extents(rect, psT);
+  
+  if (rect != rect2) {
+    std::cout << "gtl::Rectangles differ: " << gtl::xl(rect)  << " " << gtl::xh(rect)  << " " << gtl::yl(rect)  << " " << gtl::yh(rect)  <<     std::endl;
+        std::cout << "                        " << gtl::xl(rect2) << " " << gtl::xh(rect2) << " " << gtl::yl(rect2) << " " << gtl::yh(rect2) <<     std::endl;
+    return false;
+  }
+  return true;
+}
+
+bool test_extents2() {
+  Polygon45Set psT;
+  Point xy[] = { Point(130, 50),   Point(50, 50),   Point(50, 100),   Point(119, 100),   
+                 Point(119, 59),   Point(89, 89),   Point(59, 59),   Point(119, 59),   Point(119, 100),  Point(130, 100) };
+  Polygon45 polygon(xy, xy+10);
+  
+  psT.insert(polygon);
+  psT += 2;
+  
+  Rectangle rect, rect2;
+  psT.extents(rect2);
+  gtl::extents(rect, psT);    
+  std::cout << "Extents: " << gtl::xl(rect)   << " " << gtl::xh(rect)   << " " << gtl::yl(rect)   << " " << gtl::yh(rect)  <<   std::endl;
+    std::cout << "Extents: " << gtl::xl(rect2)  << " " << gtl::xh(rect2)  << " " << gtl::yl(rect2)  << " " << gtl::yh(rect2) <<   std::endl;
+    std::vector<Polygon45WithHoles> pwhs;
+    psT.get(pwhs);
+    for(unsigned int i = 0; i < pwhs.size(); ++i) {
+      std::cout << pwhs[i] << std::endl;
+    }      
+  return gtl::equivalence(rect, rect2);
+}
+
+int main() {
+  test_view_as();
+  //this test fails and I'd like to get it to pass
+  //if(!test_colinear_duplicate_points()) return 1;
+  if(!test_extents2()) return 1;
+  if(!test_extents()) return 1;
+  if(!testMaxCover()) return 1;
+  //max_cover_stress_test(); //does not include functional testing
+  if(!testDirectionalSize()) return 1;
+  testHand();
+  //testHandFloat();
+  if(!testpip()) return 1;
+  {
+    PolygonSet ps;
+    Polygon p;
+    assign(ps, p);
+  }
+  if(!testViewCopyConstruct()) return 1;
+  if(!test_grow_and_45()) return 1;
+  if(!test_self_xor_45()) return 1;
+  if(!test_self_xor()) return 1;
+  if(!test_directional_resize()) return 1;
+  if(!test_scaling_by_floating()) return 1;
+  if(!test_SQRT1OVER2()) return 1;
+  if(!test_get_trapezoids()) return 1;
+  if(!test_get_rectangles()) return 1;
+  if(!test_45_concept_interact()) return 1;
+  if(!test_45_touch_r()) return 1;
+  if(!test_45_touch_ur()) return 1;
+  if(!test_45_touch()) return 1;
+  if(!test_45_touch_boundaries()) return 1;
+  {
+  Point pts[] = {Point(0,0), Point(5, 5), Point(5, 0)};
+  Polygon45 p45(pts, pts+3);
+  pts[1] = Point(0, 5);
+  Polygon45 p452(pts, pts+3);
+  if(!test_two_polygons(p45,p452)) return 1;
+  pts[2] = Point(5,5);
+  p45.set(pts, pts+3);
+  if(!test_two_polygons(p45,p452)) return 1;
+  pts[0] = Point(5,0);
+  p452.set(pts, pts+3);
+  if(!test_two_polygons(p45, p452)) return 1;
+  Point pts2[] = {Point(0,5), Point(5, 5), Point(5, 0)};
+  Point pts3[] = {Point(0,0), Point(5, 5), Point(5, 0)};
+  p45.set(pts2, pts2 + 3);
+  p452.set(pts3, pts3+3);
+  if(!test_two_polygons(p45, p452)) return 1;
+  Point pts4[] = {Point(0, 5), Point(3, 2), Point(3,5)};
+  Point pts5[] = {Point(0,0), Point(5, 5), Point(5, 0)};
+  p45.set(pts4, pts4+3);
+  p452.set(pts5, pts5+3);
+  if(!test_two_polygons(p45, p452)) return 1;
+  }
+  {
+  std::vector<point_data<int> > pts;
+  pts.push_back(point_data<int>(0, 0));
+  pts.push_back(point_data<int>(10, 0));
+  pts.push_back(point_data<int>(10, 10));
+  pts.push_back(point_data<int>(0, 10));
+  std::vector<point_data<int> > pts2;
+  pts2.push_back(point_data<int>(0, 0));
+  pts2.push_back(point_data<int>(10, 10));
+  pts2.push_back(point_data<int>(0, 20));
+  pts2.push_back(point_data<int>(-10, 10));
+  std::vector<point_data<int> > pts3;
+  pts3.push_back(point_data<int>(0, 0));
+  pts3.push_back(point_data<int>(10, 11));
+  pts3.push_back(point_data<int>(0, 20));
+  pts3.push_back(point_data<int>(-100, 8));
+  polygon_data<int> p, p1; p.set(pts3.begin(), pts3.end());
+  polygon_45_data<int> p45, p451; p45.set(pts2.begin(), pts2.end());
+  polygon_90_data<int> p90, p901; p90.set(pts.begin(), pts.end());
+  polygon_with_holes_data<int> pwh, pwh1; pwh.set(pts3.begin(), pts3.end());
+  polygon_45_with_holes_data<int> p45wh, p45wh1; p45wh.set(pts2.begin(), pts2.end());
+  polygon_90_with_holes_data<int> p90wh, p90wh1; p90wh.set(pts.begin(), pts.end());
+  assign(p, p90);
+  assign(p, p45);
+  assign(p1, p);
+  //illegal: assign(p, p90wh);
+  //illegal: assign(p, p45wh);
+  //illegal: assign(p, pwh);
+
+  assign(p45, p90);
+  assign(p451, p45);
+  //illegal: assign(p45, p);
+  //illegal: assign(p45, p90wh);
+  //illegal: assign(p45, p45wh);
+  //illegal: assign(p45, pwh);
+
+  assign(p901, p90);
+  //illegal: assign(p90, p45);
+  //illegal: assign(p90, p);
+  //illegal: assign(p90, p90wh);
+  //illegal: assign(p90, p45wh);
+  //illegal: assign(p90, pwh);
+
+  assign(pwh, p90);
+  assign(pwh, p45);
+  assign(pwh, p);
+  assign(pwh, p90wh);
+  assign(pwh, p45wh);
+  assign(pwh1, pwh);
+
+  assign(p45wh, p90);
+  assign(p45wh, p45);
+  //illegal: assign(p45wh, p);
+  assign(p45wh, p90wh);
+  assign(p45wh1, p45wh);
+  //illegal: assign(p45wh, pwh);
+
+  assign(p90wh, p90);
+  //illegal: assign(p90wh, p45);
+  //illegal: assign(p90wh, p);
+  assign(p90wh1, p90wh);
+  //illegal: assign(p90wh, p45wh);
+  //illegal: assign(p90wh, pwh);
+  pts.clear();
+  pts.push_back(point_data<int>(0, 0));
+  pts.push_back(point_data<int>(3, 0));
+  pts.push_back(point_data<int>(0, 1));
+  p.set(pts.begin(), pts.end());
+  std::cout << std::endl; std::cout << (area(p90));
+  std::cout << std::endl; std::cout << (area(p45));
+  std::cout << std::endl; std::cout << (area(p));
+  std::cout << std::endl; std::cout << (area(p90wh));
+  std::cout << std::endl; std::cout << (area(p45wh));
+  std::cout << std::endl; std::cout << (area(pwh));
+  std::cout << std::endl;
+  point_data<int> pt(1, 1);
+  std::cout << contains(p, pt) << std::endl;
+  std::cout << contains(p90, pt) << std::endl;
+  
+  interval_data<int> ivl = construct<interval_data<int> >(0, 10);
+  std::cout << get(ivl, LOW) << std::endl;
+  set(ivl, HIGH, 20);
+
+  std::cout << perimeter(p) << std::endl;
+  if(winding(p) == LOW) std::cout << "LOW" << std::endl;
+  if(winding(p) == HIGH) std::cout << "HIGH" << std::endl;
+  rectangle_data<long long> rd;
+  std::cout << extents(rd, p) << std::endl;
+  std::cout << rd << std::endl;
+
+  boolean_op::testBooleanOr<int>();
+
+  std::vector<rectangle_data<int> > rects1, rects2;
+  rects2.push_back(rectangle_data<int>(0, 0, 10, 10));
+  print_is_polygon_90_set_concept((polygon_90_set_data<int>()));
+  print_is_mutable_polygon_90_set_concept((polygon_90_set_data<int>()));
+  print_is_polygon_90_set_concept((polygon_90_data<int>()));
+  print_is_polygon_90_set_concept((std::vector<polygon_90_data<int> >()));
+  assign(rects1, rects2);
+  polygon_90_set_data<int> ps90;
+  assign(ps90, rects2);
+  assign(rects2, ps90);
+  assign(ps90, p90);
+  assign(rects2, p90);
+  std::cout << p90 << std::endl;
+  for(unsigned int i = 0; i < rects2.size(); ++i) {
+    std::cout << rects2[i] << std::endl;
+  }
+  bloat(rects2, 10);
+  shrink(rects2[0], 10);
+  for(unsigned int i = 0; i < rects2.size(); ++i) {
+    std::cout << rects2[i] << std::endl;
+  }
+  move(rects2[0], HORIZONTAL, 30);
+  assign(rects1, rects2 + p90);
+  std::cout << "result of boolean or\n";
+  for(unsigned int i = 0; i < rects1.size(); ++i) {
+    std::cout << rects1[i] << std::endl;
+  }
+  rects1 -= p90;
+  std::cout << "result of boolean not\n";
+  for(unsigned int i = 0; i < rects1.size(); ++i) {
+    std::cout << rects1[i] << std::endl;
+  }
+  rects1 += p90;
+  std::cout << "result of boolean OR\n";
+  for(unsigned int i = 0; i < rects1.size(); ++i) {
+    std::cout << rects1[i] << std::endl;
+  }
+  rects1 *= p90;
+  std::cout << "result of boolean AND\n";
+  for(unsigned int i = 0; i < rects1.size(); ++i) {
+    std::cout << rects1[i] << std::endl;
+  }
+  rects1 ^= rects2;
+  std::cout << "result of boolean XOR\n";
+  for(unsigned int i = 0; i < rects1.size(); ++i) {
+    std::cout << rects1[i] << std::endl;
+  }
+  rects2.clear();
+  get_max_rectangles(rects2, p90);
+  std::cout << "result of max rectangles\n";
+  for(unsigned int i = 0; i < rects2.size(); ++i) {
+    std::cout << rects2[i] << std::endl;
+  }
+  rects2.clear();
+  //operator += and -= don't support polygons, so + and - should not exist
+//   rects2 += p90 + 6;
+//   std::cout << "result of resize\n";
+//   for(unsigned int i = 0; i < rects2.size(); ++i) {
+//     std::cout << rects2[i] << std::endl;
+//   }
+//   std::cout << "result of resize\n";
+   std::vector<polygon_90_with_holes_data<int> > polyswh1, polyswh2;
+//   polyswh1 += p90 -2;
+//   for(unsigned int i = 0; i < polyswh1.size(); ++i) {
+//     std::cout << polyswh1[i] << std::endl;
+//   }
+//   std::cout << "result of resize\n";
+   std::vector<polygon_90_data<int> > polys1, polys2;
+   polys1 += p90;
+   polys1 -= 2;
+//   polys1 += p90 -2;
+   for(unsigned int i = 0; i < polys1.size(); ++i) {
+     std::cout << polys1[i] << std::endl;
+   }
+
+   boolean_op_45<int>::testScan45(std::cout);
+   polygon_45_formation<int>::testPolygon45Formation(std::cout);
+  polygon_45_formation<int>::testPolygon45Tiling(std::cout);
+
+  axis_transformation atr;
+  transform(p, atr);
+  transform(p45, atr);
+  transform(p90, atr);
+  transform(pwh, atr);
+  transform(p45wh, atr);
+  transform(p90wh, atr);
+  scale_up(p, 2);
+  scale_up(p45, 2);
+  scale_up(p90, 2);
+  scale_up(pwh, 2);
+  scale_up(p45wh, 2);
+  scale_up(p90wh, 2);
+  scale_down(p, 2);
+  scale_down(p45, 2);
+  scale_down(p90, 2);
+  scale_down(pwh, 2);
+  scale_down(p45wh, 2);
+  scale_down(p90wh, 2);
+  std::vector<polygon_45_data<int> > p45s1, p45s2;
+  std::cout << equivalence(p45s1, p45s2) << std::endl;
+  std::cout << equivalence(p45, p45wh) << std::endl;
+  std::cout << equivalence(p90, p45wh) << std::endl;
+  gtl::assign(p45s1, p90);
+  p90 = polys1[0];
+  move(p90, orientation_2d(HORIZONTAL), 8);
+  std::cout << p90 << std::endl << p45wh << std::endl;
+  polygon_45_set_data<int> ps45 = p90 + p45wh;
+  assign(p45s1, ps45);
+  std::cout << "result\n";
+  for(unsigned int i = 0; i < p45s1.size(); ++i) {
+    std::cout << p45s1[i] << std::endl;
+  }
+  std::cout << equivalence(p, pwh) << std::endl;
+  std::cout << equivalence(p90, pwh) << std::endl;
+  std::cout << equivalence(p45, pwh) << std::endl;
+  std::cout << equivalence(pwh, pwh) << std::endl;
+  p + pwh;
+  p90 + pwh;
+  p45 + pwh;
+  std::cout << testInterval() << std::endl;
+  std::cout << testRectangle() << std::endl;
+  std::cout << testPolygon() << std::endl;
+  std::cout << testPropertyMerge() << std::endl;
+  std::cout << testPolygonAssign() << std::endl;
+  std::cout << testPolygonWithHoles() << std::endl;
+  std::cout << (polygon_arbitrary_formation<int>::testPolygonArbitraryFormationRect(std::cout)) << std::endl;
+  std::cout << (polygon_arbitrary_formation<int>::testPolygonArbitraryFormationP1(std::cout)) << std::endl;
+  std::cout << (polygon_arbitrary_formation<int>::testPolygonArbitraryFormationP2(std::cout)) << std::endl;
+  std::cout << (polygon_arbitrary_formation<int>::testPolygonArbitraryFormationPolys(std::cout)) << std::endl;
+  std::cout << (polygon_arbitrary_formation<int>::testPolygonArbitraryFormationSelfTouch1(std::cout)) << std::endl;
+  std::cout << (polygon_arbitrary_formation<int>::testPolygonArbitraryFormationSelfTouch2(std::cout)) << std::endl;
+  std::cout << (polygon_arbitrary_formation<int>::testPolygonArbitraryFormationSelfTouch3(std::cout)) << std::endl;
+  std::cout << (polygon_arbitrary_formation<int>::testSegmentIntersection(std::cout)) << std::endl;
+  std::cout << (property_merge<int, int>::test_insertion(std::cout)) << std::endl;
+  std::cout << (line_intersection<int>::test_verify_scan(std::cout)) << std::endl;
+  std::cout << (line_intersection<int>::test_validate_scan(std::cout)) << std::endl;
+  std::cout << (scanline<int, int>::test_scanline(std::cout)) << std::endl;
+  std::cout << (property_merge<int, int>::test_merge(std::cout)) << std::endl;
+  std::cout << (property_merge<int, int>::test_intersection(std::cout)) << std::endl;
+  std::cout << (polygon_arbitrary_formation<int>::testPolygonArbitraryFormationColinear(std::cout)) << std::endl;
+  std::cout << (property_merge<int, int>::test_manhattan_intersection(std::cout)) << std::endl;
+  std::cout << (test_arbitrary_boolean_op<int>(std::cout)) << std::endl;
+  }
+  {
+    polygon_set_data<int> psd;
+    rectangle_data<int> rect;
+    set_points(rect, point_data<int>(0, 0), point_data<int>(10, 10));
+    psd.insert(rect);
+    polygon_set_data<int> psd2;
+    set_points(rect, point_data<int>(5, 5), point_data<int>(15, 15));
+    psd2.insert(rect);
+    std::vector<polygon_data<int> > pv;
+    polygon_set_data<int> psd3;
+    psd3 = psd + psd2;
+    psd3.get(pv);
+    for(unsigned int i = 0; i < pv.size(); ++i) {
+      std::cout << pv[i] << std::endl;
+    }
+    psd += psd2;
+    pv.clear();
+    psd3.get(pv);
+    for(unsigned int i = 0; i < pv.size(); ++i) {
+      std::cout << pv[i] << std::endl;
+    }
+  }
+  {
+    polygon_90_set_data<int> psd;
+    rectangle_data<int> rect;
+    set_points(rect, point_data<int>(0, 0), point_data<int>(10, 10));
+    psd.insert(rect);
+    polygon_90_set_data<int> psd2;
+    set_points(rect, point_data<int>(5, 5), point_data<int>(15, 15));
+    psd2.insert(rect);
+    std::vector<polygon_90_data<int> > pv;
+    interact(psd, psd2);
+    assign(pv, psd);
+    for(unsigned int i = 0; i < pv.size(); ++i) {
+      std::cout << pv[i] << std::endl;
+    }
+
+    connectivity_extraction_90<int> ce;
+    ce.insert(pv[0]);
+    ce.insert(psd2);
+    std::vector<std::set<int> > graph(2);
+    ce.extract(graph);
+    if(graph[0].size() == 1) std::cout << "connectivity extraction is alive\n";
+
+    //std::vector<rectangle_data<long long> > lobs;
+    //get_max_rectangles(lobs, psd);
+    //if(lobs.size() == 1) std::cout << "max rectangles is alive\n";
+
+    std::vector<rectangle_data<int> > rv;
+    rv.push_back(rect);
+    set_points(rect, point_data<int>(0, 0), point_data<int>(10, 10));
+    rv.push_back(rect);
+    self_intersect(rv);
+    if(rv.size() == 1) {
+      assign(rect, rv.back());
+      std::cout << rect << std::endl;
+    }
+
+    assign(rv, rv + 1);
+    std::cout << rv.size() << std::endl;
+    if(rv.size() == 1) {
+      assign(rect, rv.back());
+      std::cout << rect << std::endl;
+    }
+    assign(rv, rv - 1);
+    if(rv.size() == 1) {
+      assign(rect, rv.back());
+      std::cout << rect << std::endl;
+    }
+    rv += 1;
+    if(rv.size() == 1) {
+      assign(rect, rv.back());
+      std::cout << rect << std::endl;
+    }
+    rv -= 1;
+    if(rv.size() == 1) {
+      assign(rect, rv.back());
+      std::cout << rect << std::endl;
+    }
+    rv.clear();
+    set_points(rect, point_data<int>(0, 0), point_data<int>(10, 10));
+    rv.push_back(rect);
+    set_points(rect, point_data<int>(12, 12), point_data<int>(20, 20));
+    rv.push_back(rect);
+    grow_and(rv, 7);
+    if(rv.size() == 1) {
+      assign(rect, rv.back());
+      std::cout << rect << std::endl;
+    }
+    std::cout << area(rv) << std::endl;
+    std::cout << area(rv) << std::endl;
+    
+    scale_up(rv, 10);
+    std::cout << area(rv) << std::endl;
+    scale_down(rv, 7);
+    std::cout << area(rv) << std::endl;
+    if(rv.size() == 1) {
+      assign(rect, rv.back());
+      std::cout << rect << std::endl;
+    }
+    keep(rv, 290, 300, 7, 24, 7, 24);
+    if(rv.size() == 1) {
+      assign(rect, rv.back());
+      std::cout << rect << std::endl;
+    }
+    keep(rv, 300, 310, 7, 24, 7, 24);
+    if(rv.empty()) std::cout << "keep is alive\n";
+  }
+  {
+//     typedef int Unit;
+//     typedef point_data<int> Point;
+//     typedef interval_data<int> Interval;
+//     typedef rectangle_data<int> Rectangle;
+//     typedef polygon_90_data<int> Polygon;
+//     typedef polygon_90_with_holes_data<int> PolygonWithHoles;
+//     typedef polygon_45_data<int> Polygon45;
+//     typedef polygon_45_with_holes_data<int> Polygon45WithHoles;
+//     typedef polygon_90_set_data<int> PolygonSet;
+//     //typedef polygon_45_set_data<int> Polygon45Set;
+//     typedef axis_transformation AxisTransform;
+//     typedef transformation<int> Transform;
+    //test polygon45 area, polygon45 with holes area
+    std::vector<Point> pts;
+    pts.clear();
+    pts.push_back(Point(10, 10));
+    pts.push_back(Point(15, 10));
+    pts.push_back(Point(10, 15));
+    Polygon45 polyHole;
+    polyHole.set(pts.begin(), pts.end());
+    pts.clear();
+    pts.push_back(Point(10, 0));
+    pts.push_back(Point(20, 10));
+    pts.push_back(Point(20, 30));
+    pts.push_back(Point(0, 50));
+    pts.push_back(Point(0, 10));
+    Polygon45WithHoles polyWHoles;
+    polyWHoles.set(pts.begin(), pts.end());
+    polyWHoles.set_holes(&polyHole, (&polyHole)+1);
+     std::cout << polyWHoles << std::endl;
+    std::cout << area(polyWHoles) << std::endl;
+    std::cout << area(polyWHoles) << std::endl;
+     //test polygon45, polygon45with holes transform
+     AxisTransform atr(AxisTransform::EAST_SOUTH);
+     Polygon45WithHoles p45wh(polyWHoles);
+     transform(polyWHoles, atr);
+     std::cout << polyWHoles << std::endl;
+     Transform tr(atr);
+     tr.invert();
+     transform(polyWHoles, tr);
+     std::cout << polyWHoles << std::endl;
+     if(area(polyWHoles) != 687.5) return 1;
+     //test polygon, polygon with holes transform
+     Polygon ph;
+     assign(ph, Rectangle(10, 10, 20, 20));
+     PolygonWithHoles pwh;
+     assign(pwh, Rectangle(0, 0, 100, 100));
+     pwh.set_holes(&ph, (&ph)+1);
+     std::cout << area(pwh) << std::endl;
+     transform(pwh, atr);
+     std::cout << pwh << std::endl;
+     std::cout << area(pwh) << std::endl;
+     transform(pwh, tr);
+     std::cout << pwh << std::endl;
+     std::cout << area(pwh) << std::endl;
+     if(area(pwh) != 9900) return 1;
+     
+    //test point scale up / down
+    Point pt(10, 10);
+    scale_up(pt, 25);
+    if(pt != Point(250, 250)) return 1;
+    std::cout << pt << std::endl;
+    scale_down(pt, 25);
+    if(pt != Point(10, 10)) return 1;
+    std::cout << pt << std::endl;
+    scale_down(pt, 25);
+    if(pt != Point(0, 0)) return 1;
+    std::cout << pt << std::endl;
+
+    //test polygon, polygon with holes scale up down
+    PolygonWithHoles tmpPwh(pwh);
+    scale_up(pwh, 25);
+    std::cout << pwh << std::endl;
+    scale_down(pwh, 25);
+    if(area(pwh) != area(tmpPwh)) return 1;
+    std::cout << pwh << std::endl;
+    scale_down(pwh, 25);
+    std::cout << pwh << std::endl;
+    //test polygon45, polygon45 with holes is45
+    std::cout << is_45(polyHole) << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    pts.clear();
+    pts.push_back(Point(10, 10));
+    pts.push_back(Point(15, 10));
+    pts.push_back(Point(10, 16));
+    polyHole.set(pts.begin(), pts.end());
+    std::cout << is_45(polyHole) << std::endl;
+    if(is_45(polyHole) != false) return 1;
+    //test polygon45, polygon45 with holes snap 45
+    snap_to_45(polyHole);
+    std::cout << is_45(polyHole) << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    std::cout << polyHole << std::endl;
+    //test polygon45, polygon45 with holes scalue up down
+    scale_up(polyHole, 10000);
+    std::cout << polyHole << std::endl;
+    scale_down(polyHole, 3);
+    std::cout << is_45(polyHole) << " " << polyHole << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    scale_down(polyHole, 5);
+    std::cout << is_45(polyHole) << " " << polyHole << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    scale_down(polyHole, 7);
+    std::cout << is_45(polyHole) << " " << polyHole << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    scale_down(polyHole, 13);
+    std::cout << is_45(polyHole) << " " << polyHole << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    scale_down(polyHole, 2);
+    std::cout << is_45(polyHole) << " " << polyHole << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    scale_down(polyHole, 2);
+    std::cout << is_45(polyHole) << " " << polyHole << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    scale_down(polyHole, 2);
+    std::cout << is_45(polyHole) << " " << polyHole << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    scale_down(polyHole, 2);
+    std::cout << is_45(polyHole) << " " << polyHole << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    scale_down(polyHole, 2);
+    std::cout << is_45(polyHole) << " " << polyHole << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    scale_up(polyHole, 3);
+    std::cout << is_45(polyHole) << " " << polyHole << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    scale_down(polyHole, 2);
+    std::cout << is_45(polyHole) << " " << polyHole << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    scale_down(polyHole, 2);
+    std::cout << is_45(polyHole) << " " << polyHole << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    scale_down(polyHole, 2);
+    std::cout << is_45(polyHole) << " " << polyHole << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    scale_down(polyHole, 2);
+    std::cout << is_45(polyHole) << " " << polyHole << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    pts.clear();
+    pts.push_back(Point(11, 1));
+    pts.push_back(Point(21, 11));
+    pts.push_back(Point(11, 21));
+    pts.push_back(Point(1, 11));
+    polyHole.set(pts.begin(), pts.end());
+    std::cout << is_45(polyHole) << " " << polyHole << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    scale_down(polyHole, 3);
+    std::cout << is_45(polyHole) << " " << polyHole << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    scale_up(polyHole, 10000);
+    std::cout << polyHole << std::endl;
+    scale_down(polyHole, 3);
+    std::cout << is_45(polyHole) << " " << polyHole << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    scale_down(polyHole, 5);
+    std::cout << is_45(polyHole) << " " << polyHole << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    scale_down(polyHole, 7);
+    std::cout << is_45(polyHole) << " " << polyHole << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    scale_down(polyHole, 13);
+    std::cout << is_45(polyHole) << " " << polyHole << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    scale_down(polyHole, 2);
+    std::cout << is_45(polyHole) << " " << polyHole << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    scale_down(polyHole, 2);
+    std::cout << is_45(polyHole) << " " << polyHole << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    scale_down(polyHole, 2);
+    std::cout << is_45(polyHole) << " " << polyHole << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    scale_down(polyHole, 2);
+    std::cout << is_45(polyHole) << " " << polyHole << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    scale_down(polyHole, 2);
+    std::cout << is_45(polyHole) << " " << polyHole << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    scale_up(polyHole, 3);
+    std::cout << is_45(polyHole) << " " << polyHole << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    scale_down(polyHole, 2);
+    std::cout << is_45(polyHole) << " " << polyHole << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    scale_down(polyHole, 2);
+    std::cout << is_45(polyHole) << " " << polyHole << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    scale_down(polyHole, 2);
+    std::cout << is_45(polyHole) << " " << polyHole << std::endl;
+    if(is_45(polyHole) != true) return 1;
+    scale_down(polyHole, 2);
+    std::cout << is_45(polyHole) << " " << polyHole << std::endl;
+    if(is_45(polyHole) != true) return 1;
+
+    std::cout << is_45(polyWHoles) << " " << polyWHoles << std::endl;
+    if(is_45(polyWHoles) != true) return 1;
+    scale_up(polyWHoles, 100013);
+    std::cout << polyWHoles << std::endl;
+    scale_down(polyWHoles, 3);
+    std::cout << is_45(polyWHoles) << " " << polyWHoles << std::endl;
+    if(is_45(polyWHoles) != true) return 1;
+    scale_down(polyWHoles, 2);
+    std::cout << is_45(polyWHoles) << " " << polyWHoles << std::endl;
+    if(is_45(polyWHoles) != true) return 1;
+    scale_down(polyWHoles, 3);
+    std::cout << is_45(polyWHoles) << " " << polyWHoles << std::endl;
+    if(is_45(polyWHoles) != true) return 1;
+    scale_down(polyWHoles, 2);
+    std::cout << is_45(polyWHoles) << " " << polyWHoles << std::endl;
+    if(is_45(polyWHoles) != true) return 1;
+    scale_down(polyWHoles, 3);
+    std::cout << is_45(polyWHoles) << " " << polyWHoles << std::endl;
+    if(is_45(polyWHoles) != true) return 1;
+    scale_down(polyWHoles, 2);
+    std::cout << is_45(polyWHoles) << " " << polyWHoles << std::endl;
+    if(is_45(polyWHoles) != true) return 1;
+    scale_down(polyWHoles, 3);
+    std::cout << is_45(polyWHoles) << " " << polyWHoles << std::endl;
+    if(is_45(polyWHoles) != true) return 1;
+    scale_down(polyWHoles, 2);
+    std::cout << is_45(polyWHoles) << " " << polyWHoles << std::endl;
+    if(is_45(polyWHoles) != true) return 1;
+    scale_down(polyWHoles, 3);
+    std::cout << is_45(polyWHoles) << " " << polyWHoles << std::endl;
+    if(is_45(polyWHoles) != true) return 1;
+    scale_down(polyWHoles, 2);
+    std::cout << is_45(polyWHoles) << " " << polyWHoles << std::endl;
+    if(is_45(polyWHoles) != true) return 1;
+    scale_down(polyWHoles, 3);
+    std::cout << is_45(polyWHoles) << " " << polyWHoles << std::endl;
+    if(is_45(polyWHoles) != true) return 1;
+    scale_down(polyWHoles, 3);
+    std::cout << is_45(polyWHoles) << " " << polyWHoles << std::endl;
+    if(is_45(polyWHoles) != true) return 1;
+    scale_down(polyWHoles, 2);
+    std::cout << is_45(polyWHoles) << " " << polyWHoles << std::endl;
+    if(is_45(polyWHoles) != true) return 1;
+    scale_down(polyWHoles, 3);
+    std::cout << is_45(polyWHoles) << " " << polyWHoles << std::endl;
+    if(is_45(polyWHoles) != true) return 1;
+    scale_down(polyWHoles, 2);
+    std::cout << is_45(polyWHoles) << " " << polyWHoles << std::endl;
+    if(is_45(polyWHoles) != true) return 1;
+    scale_down(polyWHoles, 3);
+    std::cout << is_45(polyWHoles) << " " << polyWHoles << std::endl;
+    if(is_45(polyWHoles) != true) return 1;
+    scale_down(polyWHoles, 2);
+    std::cout << is_45(polyWHoles) << " " << polyWHoles << std::endl;
+    if(is_45(polyWHoles) != true) return 1;
+
+    std::cout << (boolean_op_45<Unit>::testScan45(std::cout)) << std::endl;
+    std::cout << (polygon_45_formation<Unit>::testPolygon45Formation(std::cout)) << std::endl;
+    std::cout << (polygon_45_formation<Unit>::testPolygon45Tiling(std::cout)) << std::endl;
+
+
+    {
+      PolygonSet ps;
+      Rectangle rect;
+      ps.insert(Rectangle(0, 0, 10, 10));
+      std::cout << area(ps) << std::endl;
+      if(area(ps) != 100) return 1;
+      scale_up(ps, 3);
+      std::cout << area(ps) << std::endl;
+      if(area(ps) != 900) return 1;
+      scale_down(ps, 2);
+      std::cout << area(ps) << std::endl;
+      if(area(ps) != 225) return 1;
+      transform(ps, atr);
+      std::vector<Rectangle> rv;
+      rv.clear();
+      ps.get(rv);
+      if(rv.size() == 1) {
+        assign(rect, rv.back());
+        std::cout << rect << std::endl;
+      }
+      transform(ps, tr);
+      rv.clear();
+      ps.get(rv);
+      if(rv.size() == 1) {
+        assign(rect, rv.back());
+        std::cout << rect << std::endl;
+      }
+    }
+    //test polygon45set transform
+    pts.clear();
+    pts.push_back(Point(10, 10));
+    pts.push_back(Point(15, 10));
+    pts.push_back(Point(10, 15));
+    polyHole.set(pts.begin(), pts.end());
+    Polygon45Set ps451, ps452;
+    ps451.insert(polyHole);
+    ps452 = ps451;
+    std::cout << (ps451 == ps452) << std::endl;
+    if(ps451 != ps452) return 1;
+    ps451.transform(atr);
+    std::cout << (ps451 == ps452) << std::endl;
+    if(ps451 == ps452) return 1;
+    ps451.transform(tr);
+    std::cout << (ps451 == ps452) << std::endl;
+    if(ps451 != ps452) return 1;
+  
+    //test polygon45set area
+    std::cout << area(ps451) << std::endl;
+    if(area(ps451) != 12.5) return 1;
+    //test polygon45set scale up down
+    ps451.scale_up(3);
+    std::cout << area(ps451) << std::endl;
+    if(area(ps451) != 112.5) return 1;
+    ps451.scale_down(2);
+    std::cout << area(ps451) << std::endl;
+    if(area(ps451) != 32) return 1;
+    //test polygonset scalue up down
+  }
+  {
+    std::cout << (testPolygon45SetRect()) << std::endl;
+    testPolygon45SetPerterbation(); //re-enable after non-intersection fix
+    testPolygon45Set();
+    testPolygon45SetDORA();  //re-enable after non-intersection fix
+    polygon_45_set_data<int> ps45_1, ps45_2, ps45_3;
+    ps45_1.insert(rectangle_data<int>(0, 0, 10, 10));
+    ps45_2.insert(rectangle_data<int>(5, 5, 15, 15));
+    std::vector<polygon_45_data<int> > p45s;
+    ps45_3 = ps45_1 | ps45_2;
+    ps45_3.get(p45s);
+    if(p45s.size()) std::cout << p45s[0] << std::endl;
+    else {
+      std::cout << "test failed\n";
+      return 1;
+    }
+    p45s.clear();
+    ps45_3 = ps45_1 + ps45_2;
+    ps45_3.get(p45s);
+    if(p45s.size()) std::cout << p45s[0] << std::endl;
+    else {
+      std::cout << "test failed\n";
+      return 1;
+    }
+    p45s.clear();
+    ps45_3 = ps45_1 * ps45_2;
+    ps45_3.get(p45s);
+    if(p45s.size()) std::cout << p45s[0] << std::endl;
+    else {
+      std::cout << "test failed\n";
+      return 1;
+    }
+    p45s.clear();
+    ps45_3 = ps45_1 - ps45_2;
+    ps45_3.get(p45s);
+    if(p45s.size()) std::cout << p45s[0] << std::endl;
+    else {
+      std::cout << "test failed\n";
+      return 1;
+    }
+    p45s.clear();
+    ps45_3 = ps45_1 ^ ps45_2;
+    ps45_3.get(p45s);
+    if(p45s.size() == 2) std::cout << p45s[0] << " " << p45s[1] << std::endl;
+    else {
+      std::cout << "test failed\n";
+      return 1;
+    }
+    std::vector<point_data<int> > pts;
+    pts.clear();
+    pts.push_back(point_data<int>(7, 0));
+    pts.push_back(point_data<int>(20, 13));
+    pts.push_back(point_data<int>(0, 13));
+    pts.push_back(point_data<int>(0, 0));
+    polygon_45_data<int> p45_1(pts.begin(), pts.end());
+    ps45_3.clear();
+    ps45_3.insert(p45_1);
+    p45s.clear();
+    ps45_3.get(p45s);
+    if(p45s.size()) std::cout << p45s[0] << std::endl;
+    else {
+      std::cout << "test failed\n";
+      return 1;
+    }
+    ps45_3 += 1;
+    p45s.clear();
+    ps45_3.get(p45s);
+    if(p45s.size()) std::cout << p45s[0] << std::endl;
+    else {
+      std::cout << "test failed\n";
+      return 1;
+    }
+    ps45_3 -= 1;
+    p45s.clear();
+    ps45_3.get(p45s);
+    if(p45s.size()) std::cout << p45s[0] << std::endl;
+    else {
+      std::cout << "test failed\n";
+      return 1;
+    }
+  }
+  {
+    polygon_90_set_data<int> p90sd;
+    p90sd.insert(rectangle_data<int>(0, 0, 10, 10));
+    std::vector<rectangle_data<int> > rects;
+    std::vector<polygon_90_data<int> > polys90;
+    std::vector<polygon_90_with_holes_data<int> > pwhs90;
+    assign(rects, p90sd);
+    assign(polys90, p90sd);
+    assign(pwhs90, p90sd);
+    std::cout << equivalence(rects, polys90) << std::endl;
+    std::cout << equivalence(pwhs90, polys90) << std::endl;
+    pwhs90.clear();
+    assign(pwhs90, polys90);
+    std::cout << equivalence(pwhs90, polys90) << std::endl;
+  }
+  {
+    polygon_45_set_data<int> p45sd;
+    p45sd.insert(rectangle_data<int>(0, 0, 10, 10));
+    std::vector<rectangle_data<int> > rects;
+    std::vector<polygon_45_data<int> > polys45;
+    std::vector<polygon_45_with_holes_data<int> > pwhs45;
+    get_trapezoids(polys45, p45sd);
+    assign(polys45, p45sd);
+    assign(pwhs45, p45sd);
+    std::cout << equivalence(pwhs45, polys45) << std::endl;
+    pwhs45.clear();
+    assign(pwhs45, polys45);
+    std::cout << equivalence(pwhs45, polys45) << std::endl;
+  }
+  {
+    polygon_set_data<int> psd;
+    psd.insert(rectangle_data<int>(0, 0, 10, 10));
+    std::vector<polygon_data<int> > polys;
+    std::vector<polygon_with_holes_data<int> > pwhs;
+    assign(polys, psd);
+    assign(pwhs, psd);
+    std::cout << equivalence(pwhs, polys) << std::endl;
+    pwhs.clear();
+    assign(pwhs, polys);
+    std::cout << equivalence(pwhs, polys) << std::endl;
+  }
+  {
+    typedef point_3d_data<int> Point3D;
+    Point3D p3d1(0, 1, 3), p3d2(0, 1, 2);
+    if(equivalence(p3d1, p3d2)) return 1;
+    if(euclidean_distance(p3d1, p3d2) != 1) return 1;
+    if(euclidean_distance(p3d1, p3d2, PROXIMAL) != 1) return 1;
+    if(manhattan_distance(p3d1, p3d2) != 1) return 1;
+    assign(p3d1, p3d2);
+    if(!equivalence(p3d1, p3d2)) return 1;
+    p3d1 = construct<Point3D>(x(p3d1), y(p3d1), z(p3d1));
+    if(!equivalence(p3d1, p3d2)) return 1;
+    convolve(p3d1, p3d2);
+    if(equivalence(p3d1, p3d2)) return 1;
+    deconvolve(p3d1, p3d2);
+    if(!equivalence(p3d1, p3d2)) return 1;
+    if(get(p3d1, PROXIMAL) != 2) return 1;
+    scale(p3d1, anisotropic_scale_factor<double>(2, 2, 2));
+    if(equivalence(p3d1, p3d2)) return 1;
+    scale_down(p3d1, 2);
+    if(!equivalence(p3d1, p3d2)) return 1;
+    scale_up(p3d1, 2);
+    if(equivalence(p3d1, p3d2)) return 1;
+    scale_down(p3d1, 2);
+    set(p3d1, PROXIMAL, 3);
+    if(equivalence(p3d1, p3d2)) return 1;
+    axis_transformation atr = axis_transformation::END;
+    transform(p3d1, atr);
+    if(z(p3d1) != -3) return 1;
+    z(p3d1, 2);
+    if(!equivalence(p3d1, p3d2)) return 1;
+  }
+  {
+    polygon_90_set_data<int> ps1(HORIZONTAL), ps2(VERTICAL);
+    ps1 += rectangle_data<int>(0, 0, 10, 120);
+    assign(ps1, ps2);
+    std::cout << equivalence(ps1, ps2) << std::endl;
+  }
+  {
+    std::vector<rectangle_data<long long> > lobs, input;
+    input.push_back(rectangle_data<long long>(0, 0, 10, 10));
+    input.push_back(rectangle_data<long long>(10, 5, 15, 15));
+    get_max_rectangles(lobs, input);
+    if(lobs.size() == 3) std::cout << "max rectangles is correct\n";
+  }
+  {
+    polygon_set_data<int> ps1, ps2, ps3;
+    ps1.insert(rectangle_data<int>(0, 0, 10, 10));
+    ps2.insert(rectangle_data<int>(0, 0, 15, 5));
+    ps3.insert(rectangle_data<int>(0, 0, 20, 2));
+    std::cout << area(ps1 + ps2) << std::endl;
+    keep(ps1, 0, 100, 0, 100, 0, 100);
+    if(empty(ps1)) return 1;
+    rectangle_data<int> bbox;
+    extents(bbox, ps1);
+    std::cout << bbox << std::endl;
+    //resize(ps1, 1);
+    //shrink(ps1, 1);
+    //bloat(ps1, 1);
+    scale_up(ps1, 2);
+    scale_down(ps1, 2);
+    axis_transformation atr;
+    transform(ps1, atr);
+    std::cout << area(ps1) << std::endl;
+    if(area(ps1) != 100) return 1;
+    clear(ps1);
+    if(!empty(ps1)) return 1;
+    ps1 = ps2 * ps3;
+    ps1 *= ps2;
+    ps1 - ps2;
+    ps1 -= ps2;
+    ps1 ^ ps2;
+    ps1 ^= ps2;
+    ps1 | ps2;
+    ps1 |= ps2;
+  }
+  {
+    polygon_45_set_data<int> ps45_1, ps45_2;
+    ps45_1.insert(rectangle_data<int>(0, 0, 10, 10));
+    keep(ps45_1, 0, 1000, 0, 1000, 0, 1000);
+    std::cout << area(ps45_1) << std::endl;
+    std::cout << empty(ps45_1) << std::endl;
+    rectangle_data<int> bbox;
+    extents(bbox, ps45_1);
+    std::cout << bbox << std::endl;
+    resize(ps45_1, 1);
+    shrink(ps45_1, 1);
+    bloat(ps45_1, 1);
+    scale_up(ps45_1, 2);
+    scale_down(ps45_1, 2);
+    axis_transformation atr;
+    transform(ps45_1, atr);
+    std::cout << area(ps45_1) << std::endl;
+    if(area(ps45_1) != 144) return 1;
+    clear(ps45_1);
+    if(!empty(ps45_1)) return 1;
+  }
+  {
+    std::vector<polygon_45_data<int> > p45v;
+    p45v + p45v;
+    p45v *= p45v;
+    p45v += p45v;
+    p45v - p45v;
+    p45v -= p45v;
+    p45v ^ p45v;
+    p45v ^= p45v;
+    p45v | p45v;
+    p45v |= p45v;
+    p45v + 1;
+    p45v += 1;
+    p45v - 1;
+    p45v -= 1;
+    p45v + (p45v + p45v);
+  }
+  {
+    polygon_45_set_data<int> ps45;
+    polygon_90_set_data<int> ps90;
+    std::vector<polygon_90_with_holes_data<int> > p90whv;
+    ps45.insert(ps90);
+    ps45.insert(p90whv);
+    ps45.insert(p90whv + p90whv);
+    
+    ps45.insert(polygon_90_with_holes_data<int>());
+    polygon_with_holes_data<int> pwh;
+    snap_to_45(pwh);
+  }
+  {
+    point_data<int> pt(1,2);
+    point_3d_data<int> pt3d(1,2,3);
+    equivalence(pt, pt3d);
+    deconvolve(pt, pt3d);
+    manhattan_distance(pt, pt3d);
+    move(pt, HORIZONTAL, 1);
+    scale(pt, anisotropic_scale_factor<double>(2, 2, 2));
+    pt = pt3d;
+  }
+  {
+    polygon_90_set_data<int> ps90_1, ps90_2;
+    ps90_1.insert(rectangle_data<int>(0, 0, 10, 10));
+    keep(ps90_1, 0, 1000, 0, 1000, 0, 1000);
+    std::cout << area(ps90_1) << std::endl;
+    std::cout << empty(ps90_1) << std::endl;
+    rectangle_data<int> bbox;
+    extents(bbox, ps90_1);
+    std::cout << bbox << std::endl;
+    resize(ps90_1, 1);
+    shrink(ps90_1, 1);
+    bloat(ps90_1, 1);
+    scale_up(ps90_1, 2);
+    scale_down(ps90_1, 2);
+    scale(ps90_1, anisotropic_scale_factor<double>(2, 2, 2));
+    scale(ps90_1, anisotropic_scale_factor<double>(0.5, 0.5, 0.5));
+    axis_transformation atr;
+    transform(ps90_1, atr);
+    std::cout << area(ps90_1) << std::endl;
+    if(area(ps90_1) != 144) return 1;
+    clear(ps90_1);
+    if(!empty(ps90_1)) return 1;
+  }
+  if(!nonInteger45StessTest()) return 1;
+  {
+  using namespace gtl;
+  typedef polygon_45_property_merge<int, int> p45pm;
+  p45pm::MergeSetData msd;
+  polygon_45_set_data<int> ps;
+  ps += rectangle_data<int>(0, 0, 10, 10);
+  p45pm::populateMergeSetData(msd, ps.begin(), ps.end(), 444);
+  ps.clear();
+  ps += rectangle_data<int>(5, 5, 15, 15);
+  p45pm::populateMergeSetData(msd, ps.begin(), ps.end(), 333);
+  std::map<std::set<int>, polygon_45_set_data<int> > result;
+  p45pm::performMerge(result, msd);
+  int i = 0;
+  for(std::map<std::set<int>, polygon_45_set_data<int> >::iterator itr = result.begin();
+      itr != result.end(); ++itr) {
+    for(std::set<int>::const_iterator itr2 = (*itr).first.begin();
+        itr2 != (*itr).first.end(); ++itr2) {
+      std::cout << *itr2 << " ";
+    } std::cout << " : ";
+    std::cout << area((*itr).second) << std::endl;
+    if(i == 1) {
+      if(area((*itr).second) != 100) return 1;
+    } else
+      if(area((*itr).second) != 300) return 1;
+    ++i;
+  }
+
+
+  property_merge_45<int, int> pm;
+  pm.insert(rectangle_data<int>(0, 0, 10, 10), 444);
+  pm.insert(rectangle_data<int>(5, 5, 15, 15), 333);
+  std::map<std::set<int>, polygon_45_set_data<int> > mp;
+  pm.merge(mp);
+  i = 0;
+  for(std::map<std::set<int>, polygon_45_set_data<int> >::iterator itr = mp.begin();
+      itr != mp.end(); ++itr) {
+    for(std::set<int>::const_iterator itr2 = (*itr).first.begin();
+        itr2 != (*itr).first.end(); ++itr2) {
+      std::cout << *itr2 << " ";
+    } std::cout << " : ";
+    std::cout << area((*itr).second) << std::endl;
+    if(i == 1) {
+      if(area((*itr).second) != 25) return 1;
+    } else
+      if(area((*itr).second) != 75) return 1;
+    ++i;
+  }
+  std::map<std::vector<int>, polygon_45_set_data<int> > mp2;
+  pm.merge(mp2);
+  i = 0;
+  for(std::map<std::vector<int>, polygon_45_set_data<int> >::iterator itr = mp2.begin();
+      itr != mp2.end(); ++itr) {
+    for(std::vector<int>::const_iterator itr2 = (*itr).first.begin();
+        itr2 != (*itr).first.end(); ++itr2) {
+      std::cout << *itr2 << " ";
+    } std::cout << " : ";
+    std::cout << area((*itr).second) << std::endl;
+    if(i == 1) {
+      if(area((*itr).second) != 25) return 1;
+    } else
+      if(area((*itr).second) != 75) return 1;
+    ++i;
+  }
+  }
+  {
+  std::cout << trapezoid_arbitrary_formation<int>::testTrapezoidArbitraryFormationRect(std::cout) << std::endl;
+  std::cout << trapezoid_arbitrary_formation<int>::testTrapezoidArbitraryFormationP1(std::cout) << std::endl;
+  std::cout << trapezoid_arbitrary_formation<int>::testTrapezoidArbitraryFormationP2(std::cout) << std::endl;
+  std::cout << trapezoid_arbitrary_formation<int>::testTrapezoidArbitraryFormationPolys(std::cout) << std::endl;
+  std::cout << polygon_arbitrary_formation<int>::testPolygonArbitraryFormationSelfTouch1(std::cout) << std::endl;
+  std::cout << trapezoid_arbitrary_formation<int>::testTrapezoidArbitraryFormationSelfTouch1(std::cout) << std::endl;
+  typedef rectangle_data<int> Rectangle;
+  polygon_set_data<int> ps;
+  ps += Rectangle(0, 1, 10, 11);
+  ps += Rectangle(5, 6, 15, 16);
+  std::vector<polygon_data<int> > polys;
+  ps.get_trapezoids(polys);
+  for(unsigned int i = 0; i < polys.size(); ++i) {
+    std::cout << polys[i] << std::endl;
+  }
+  ps.transform(axis_transformation(axis_transformation::FLIP_X));
+  polys.clear();
+  ps.get_trapezoids(polys);
+  for(unsigned int i = 0; i < polys.size(); ++i) {
+    std::cout << polys[i] << std::endl;
+  }
+  polys.clear();
+  ps.get_trapezoids(polys, HORIZONTAL);
+  for(unsigned int i = 0; i < polys.size(); ++i) {
+    std::cout << polys[i] << std::endl;
+  }
+  }
+
+  if(!test_aa_touch()) {
+    std::cout << "test_aa_touch failed\n";
+    return 1;
+  }
+  if(!test_aa_touch_ur()) {
+    std::cout << "test_aa_touch_ur failed\n";
+    return 1;
+  }
+  if(!test_aa_touch_ur()) {
+    std::cout << "test_aa_touch_ur failed\n";
+    return 1;
+  }
+  if(!test_aa_touch_r()) {
+    std::cout << "test_aa_touch_r failed\n";
+    return 1;
+  }
+  if(!test_aa_touch_boundaries()) {
+    std::cout << "test_aa_touch_boundaries failed\n";
+    return 1;
+  }
+  if(!test_aa_concept_interact()) {
+    std::cout << "test_aa_concept_interact failed\n";
+    return 1;
+  }
+
+  std::cout << "ALL TESTS COMPLETE\n";
+  return 0;
+}