DGtal  1.0.0
testLpMetric.cpp
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1 
30 #include <iostream>
32 #include "DGtal/base/Common.h"
33 #include "ConfigTest.h"
34 #include "DGtalCatch.h"
35 #include "DGtal/helpers/StdDefs.h"
36 #include "DGtal/geometry/volumes/distance/LpMetric.h"
37 #include "DGtal/geometry/volumes/distance/CMetricSpace.h"
39 
40 using namespace std;
41 using namespace DGtal;
42 
44 // Functions for testing class LpMetric.
46 TEST_CASE( "Testing LpMetric" )
47 {
48 
49  BOOST_CONCEPT_ASSERT(( concepts::CMetricSpace<LpMetric<Z2i::Space>> ));
50 
51  LpMetric<Z2i::Space> l2_2D(2.0);
52  LpMetric<Z3i::Space> l2_3D(2.0);
53  LpMetric<Z2i::Space> l55_2D(5.5);
54  Z2i::Space::RealPoint a(0,0), b(1.0,1.0), c(0.5,0.5);
55  Z3i::Space::RealPoint aa(0,0,0), bb(1.0,1.0,1.0);
56 
57  SECTION("Testing LpMetric distance values")
58  {
59  CAPTURE( l55_2D) ;
60  REQUIRE( l2_2D.rawDistance(a,b) == Approx(2.0) );
61  REQUIRE( l2_3D.rawDistance(aa,bb) == Approx(3.0) );
62  REQUIRE( l2_2D(a,b) == Approx(std::sqrt(2.0)) );
63  REQUIRE( l55_2D(a,b) == Approx(1.1343125) );
64  REQUIRE( l2_2D.closest(a,c,b) == DGtal::ClosestFIRST );
65  REQUIRE( l2_2D.closest(c,a,b) == DGtal::ClosestBOTH );
66  }
67 }
68 
CAPTURE(thicknessHV)
RawValue rawDistance(const Point &aP, const Point &aQ) const
Definition: LpMetric.h:150
Aim: implements l_p metrics.
Definition: LpMetric.h:74
Aim: Implements basic operations that will be used in Point and Vector classes.
Definition: PointVector.h:165
REQUIRE(domain.isInside(aPoint))
TEST_CASE("Testing LpMetric")
DGtal is the top-level namespace which contains all DGtal functions and types.
Aim: defines the concept of metric spaces.
Definition: CMetricSpace.h:124
Closest closest(const Point &origin, const Point &first, const Point &second) const
Definition: LpMetric.h:170
SECTION("Testing constant forward iterators")