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Moved check on input size such that they are together

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[SVN r76733]
This commit is contained in:
Barend Gehrels
2012-01-28 12:01:11 +00:00
parent 26d88f061c
commit 0dad0809af
1 changed files with 11 additions and 10 deletions
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21
include/boost/geometry/algorithms/detail/overlay/overlay.hpp
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@@ -145,11 +145,21 @@ struct overlay
OutputIterator out,
Strategy const& )
{
if (geometry::num_points(geometry1) == 0 && geometry::num_points(geometry2) == 0)
if (geometry::num_points(geometry1) == 0
&& geometry::num_points(geometry2) == 0)
{
return out;
}
if (geometry::num_points(geometry1) == 0
|| geometry::num_points(geometry2) == 0)
{
return return_if_one_input_is_empty
<
GeometryOut, Direction, ReverseOut
>(geometry1, geometry2, out);
}
typedef typename geometry::point_type<GeometryOut>::type point_type;
typedef detail::overlay::traversal_turn_info<point_type> turn_info;
typedef std::deque<turn_info> container_type;
@@ -159,15 +169,6 @@ struct overlay
typename geometry::ring_type<GeometryOut>::type
> ring_container_type;
if (geometry::num_points(geometry1) == 0
|| geometry::num_points(geometry2) == 0)
{
return return_if_one_input_is_empty
<
GeometryOut, Direction, ReverseOut
>(geometry1, geometry2, out);
}
container_type turn_points;
#ifdef BOOST_GEOMETRY_TIME_OVERLAY