id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc
10033,scale_down on rectangle does not compile,Jakob Schou Jensen <jakob.schou.jensen@…>,Andrii Sydorchuk,"I get a compile error when calling scale_down on a rectangle: eg:

{{{
rectangle_data<int> r;
scale_down( r, 2 );
}}}

{{{
/Users/schou/frameworks/boost_1_55_0/boost/polygon/rectangle_concept.hpp:984:25: error: no matching function for
      call to 'scale_down'
    vertical(rectangle, scale_down(vertical(rectangle), factor));
                        ^~~~~~~~~~
/Users/schou/frameworks/boost_1_55_0/boost/polygon/interval_concept.hpp:386:10: note: candidate function [with
      IntervalType = boost::polygon::interval_data<int>] not viable: expects an l-value for 1st argument
>::type& scale_down(
         ^
/Users/schou/frameworks/boost_1_55_0/boost/polygon/point_concept.hpp:395:3: note: candidate template ignored:
      disabled by 'enable_if' [with PointType = boost::polygon::interval_data<int>, CType = unsigned long long]
  typename gtl_and<
  ^
/Users/schou/frameworks/boost_1_55_0/boost/polygon/rectangle_concept.hpp:979:22: note: candidate template
      ignored: disabled by 'enable_if' [with rectangle_type = boost::polygon::interval_data<int>]
  typename enable_if<typename gtl_and<y_r_scale_down, typename is_mutable_rectangle_concept<typename geo...
                     ^
/Users/schou/frameworks/boost_1_55_0/boost/polygon/segment_concept.hpp:437:3: note: candidate template ignored:
      disabled by 'enable_if' [with Segment = boost::polygon::interval_data<int>]
  typename gtl_and<
  ^
/Users/schou/frameworks/boost_1_55_0/boost/polygon/polygon_traits.hpp:735:5: note: candidate template ignored:
      disabled by 'enable_if' [with polygon_type = boost::polygon::interval_data<int>]
    typename gtl_and< typename is_any_mutable_polygon_without_holes_type<polygon_type>::type,
    ^
/Users/schou/frameworks/boost_1_55_0/boost/polygon/polygon_traits.hpp:870:5: note: candidate template ignored:
      disabled by 'enable_if' [with polygon_type = boost::polygon::interval_data<int>]
    typename gtl_and< typename is_any_mutable_polygon_without_holes_type<polygon_type>::type,
    ^
/Users/schou/frameworks/boost_1_55_0/boost/polygon/polygon_traits.hpp:889:23: note: candidate template ignored:
      disabled by 'enable_if' [with T = boost::polygon::interval_data<int>]
  typename enable_if< typename is_any_mutable_polygon_with_holes_type<T>::type, T>::type &
                      ^
/Users/schou/frameworks/boost_1_55_0/boost/polygon/polygon_90_set_concept.hpp:437:23: note: candidate template
      ignored: disabled by 'enable_if' [with polygon_set_type = boost::polygon::interval_data<int>]
  typename enable_if< typename is_mutable_polygon_90_set_type<polygon_set_type>::type,
                      ^
/Users/schou/frameworks/boost_1_55_0/boost/polygon/polygon_45_set_concept.hpp:248:23: note: candidate template
      ignored: disabled by 'enable_if' [with polygon_set_type = boost::polygon::interval_data<int>]
  typename enable_if< typename is_mutable_polygon_45_set_type<polygon_set_type>::type,
                      ^
/Users/schou/frameworks/boost_1_55_0/boost/polygon/polygon_set_concept.hpp:237:23: note: candidate template
      ignored: disabled by 'enable_if' [with polygon_set_type = boost::polygon::interval_data<int>]
  typename enable_if< typename is_mutable_polygon_set_type<polygon_set_type>::type,
                      ^
2 errors generated.
}}}

I am compiling on mac osx maverics.",Bugs,closed,Boost 1.56.0,polygon,Boost 1.55.0,Problem,fixed,,