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[geometry] fixed strategy type, reported by Menelaos on the list

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[SVN r86535]
This commit is contained in:
Barend Gehrels 2013-11-01 14:54:58 +00:00
parent f0dbf7905a
commit 3b68b369dd
1 changed files with 23 additions and 1 deletions
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24
test/algorithms/distance.cpp
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@ -12,7 +12,6 @@
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#define TEST_ARRAY
#include <sstream>
@ -150,6 +149,27 @@ void test_distance_segment()
BOOST_CHECK_CLOSE(d1, return_type(1), 0.001);
}
template <typename Point, typename Geometry, typename T>
void test_distance_linear(std::string const& wkt_point, std::string const& wkt_geometry, T const& expected)
{
Point p;
bg::read_wkt(wkt_point, p);
Geometry g;
bg::read_wkt(wkt_geometry, g);
typedef typename bg::default_distance_result<Point>::type return_type;
return_type d = bg::distance(p, g);
// For point-to-linestring (or point-to-polygon), both a point-strategy and a point-segment-strategy can be specified.
// Test this.
return_type ds1 = bg::distance(p, g, bg::strategy::distance::pythagoras<>());
return_type ds2 = bg::distance(p, g, bg::strategy::distance::projected_point<>());
BOOST_CHECK_CLOSE(d, return_type(expected), 0.001);
BOOST_CHECK_CLOSE(ds1, return_type(expected), 0.001);
BOOST_CHECK_CLOSE(ds2, return_type(expected), 0.001);
}
template <typename P>
void test_distance_array_as_linestring()
@ -233,6 +253,8 @@ void test_all()
test_geometry<P, test::wrapped_boost_array<P, 2> >("POINT(3 1)", "LINESTRING(1 1,4 4)", sqrt(2.0));
test_distance_linear<P, bg::model::linestring<P> >("POINT(3 1)", "LINESTRING(1 1,4 4)", sqrt(2.0));
}
template <typename P>