testLpMetric.cpp File Reference

#include <iostream>
#include "DGtal/base/Common.h"
#include "ConfigTest.h"
#include "DGtalCatch.h"
#include "DGtal/helpers/StdDefs.h"
#include "DGtal/geometry/volumes/distance/LpMetric.h"
#include "DGtal/geometry/volumes/distance/CMetricSpace.h"

Go to the source code of this file.

Functions
	TEST_CASE ("Testing LpMetric")

Detailed Description

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This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Author

David Coeurjolly (david.nosp@m..coe.nosp@m.urjol.nosp@m.ly@l.nosp@m.iris..nosp@m.cnrs.nosp@m..fr ) Laboratoire d'InfoRmatique en Image et Systemes d'information - LIRIS (CNRS, UMR 5205), CNRS, France

Date

2019/01/27

Functions for testing class LpMetric.

This file is part of the DGtal library.

Definition in file testLpMetric.cpp.

Function Documentation

TEST_CASE()

TEST_CASE

(

"Testing LpMetric"

)

Definition at line 46 of file testLpMetric.cpp.

{
  
  BOOST_CONCEPT_ASSERT(( concepts::CMetricSpace<LpMetric<Z2i::Space>> ));
 
  LpMetric<Z2i::Space> l2_2D(2.0);
  LpMetric<Z3i::Space> l2_3D(2.0);
  LpMetric<Z2i::Space> l55_2D(5.5);
  Z2i::Space::RealPoint a(0,0), b(1.0,1.0), c(0.5,0.5);
  Z3i::Space::RealPoint aa(0,0,0), bb(1.0,1.0,1.0);
  
  SECTION("Testing LpMetric distance values")
    {
      CAPTURE( l55_2D) ;
      REQUIRE( l2_2D.rawDistance(a,b) == Approx(2.0) );
      REQUIRE( l2_3D.rawDistance(aa,bb) == Approx(3.0) );
      REQUIRE( l2_2D(a,b) == Approx(std::sqrt(2.0)) );
      REQUIRE( l55_2D(a,b) == Approx(1.1343125) );
      REQUIRE( l2_2D.closest(a,c,b) == DGtal::ClosestFIRST );
      REQUIRE( l2_2D.closest(c,a,b) == DGtal::ClosestBOTH );
    }
}

References CAPTURE(), DGtal::LpMetric< TSpace >::closest(), DGtal::ClosestBOTH, DGtal::ClosestFIRST, DGtal::LpMetric< TSpace >::rawDistance(), REQUIRE(), and SECTION().