testClone2.cpp File Reference

#include <cstdio>
#include <cmath>
#include <iostream>
#include "DGtal/base/Common.h"
#include "DGtal/base/CountedPtr.h"
#include "DGtal/base/CountedPtrOrPtr.h"
#include "DGtal/base/CountedConstPtrOrConstPtr.h"
#include "DGtal/base/CowPtr.h"
#include "DGtal/base/Clone.h"
#include "DGtal/base/Alias.h"
#include "DGtal/base/ConstAlias.h"
#include "DGtal/helpers/StdDefs.h"

Include dependency graph for testClone2.cpp:

Go to the source code of this file.

Namespaces
namespace	DGtal
	DGtal is the top-level namespace which contains all DGtal functions and types.

Typedefs
typedef MyPointD	Point

Functions
template<typename Triangle >
double	computeTriangles (int size)
template<typename Triangle >
double	computeTrianglesByCowPtr (int size)
bool	testAliasCases ()
bool	testConstAliasCases ()
bool	testCloneCases ()
bool	testCloneTimings ()
int	main ()

Detailed Description

This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

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

Jacques-Olivier Lachaud (jacqu.nosp@m.es-o.nosp@m.livie.nosp@m.r.la.nosp@m.chaud.nosp@m.@uni.nosp@m.v-sav.nosp@m.oie..nosp@m.fr ) Laboratory of Mathematics (CNRS, UMR 5807), University of Savoie, France

Date

2012/07/02

This file is part of the DGtal library

Definition in file testClone2.cpp.

Typedef Documentation

Point

typedef KSpace::Point Point

Initial value:

{
  typedef KhalimskySpaceND<3>               KSpace

Examples

arithmetic/lower-integer-convex-hull.cpp, dec/exampleHeatLaplace.cpp, dec/examplePropagation.cpp, doc-examples/exampleCatch.cpp, geometry/curves/convex-and-concave-parts.cpp, geometry/curves/estimation/exampleLMST2D.cpp, geometry/curves/estimation/exampleLMST3D.cpp, geometry/curves/exampleArithDSS3d.cpp, geometry/curves/exampleArithmeticalDSL.cpp, geometry/curves/exampleArithmeticalDSS.cpp, geometry/curves/exampleDSLSubsegment.cpp, geometry/surfaces/dvcm-2d-curvature.cpp, geometry/surfaces/dvcm-3d.cpp, geometry/tools/checkLatticeBallQuickHull.cpp, geometry/tools/determinant/exampleInHalfPlane.cpp, geometry/tools/exampleAlphaShape.cpp, geometry/tools/exampleConvexHull2D.cpp, geometry/volumes/checkFullConvexityTheorems.cpp, geometry/volumes/digitalPolyhedronBuilder3D.cpp, geometry/volumes/distance/exampleFMM2D.cpp, geometry/volumes/distance/toricdomainvolumetric.cpp, geometry/volumes/dvcm-2d.cpp, geometry/volumes/exampleBoundedLatticePolytopeCount2D.cpp, geometry/volumes/exampleBoundedLatticePolytopeCount3D.cpp, geometry/volumes/exampleBoundedLatticePolytopeCount4D.cpp, geometry/volumes/fullConvexityShortestPaths3D.cpp, geometry/volumes/fullConvexitySphereGeodesics.cpp, geometry/volumes/standardDigitalPolyhedronBuilder3D.cpp, graph/graphTraversal.cpp, images/exampleConstImageAdapter.cpp, io/boards/dgtalBoard2D-2-sets.cpp, io/boards/dgtalBoard3D-2-ks.cpp, io/boards/dgtalBoard3D-6-clipping.cpp, io/boards/dgtalBoard3DTo2D-2-sets.cpp, io/boards/dgtalBoard3DTo2D-2bis-sets.cpp, io/boards/dgtalBoard3DTo2D-3-objects.cpp, io/boards/dgtalBoard3DTo2D-6.cpp, io/boards/dgtalBoard3DTo2D-KSCell.cpp, io/boards/exampleBezierCurve.cpp, io/boards/logoDGtal.cpp, io/viewers/viewer3D-10-interaction.cpp, io/viewers/viewer3D-2-sets.cpp, io/viewers/viewer3D-3-objects.cpp, io/viewers/viewer3D-4bis-illustrationMode.cpp, io/viewers/viewer3D-6-clipping.cpp, io/viewers/viewer3D-7-planes.cpp, io/viewers/viewer3D-7-stdplane.cpp, io/viewers/viewer3D-7bis-planes.cpp, io/viewers/viewer3D-7bis-stdplane.cpp, shapes/exampleMeshVoxelizer.cpp, shapes/mesh3DConstructionAndVisualisation.cpp, topology/3dBorderExtraction.cpp, topology/3dKSSurfaceExtraction.cpp, topology/area-estimation-with-digital-surface.cpp, topology/area-estimation-with-indexed-digital-surface.cpp, topology/ctopo-1-3d.cpp, topology/ctopo-1.cpp, topology/ctopo-1s-3d.cpp, topology/cubical-complex-collapse.cpp, topology/cubical-complex-illustrations.cpp, topology/frontierAndBoundary.cpp, and topology/generateSimplicityTables2D.cpp.

Definition at line 383 of file testClone2.cpp.

Function Documentation

computeTriangles()

template<typename Triangle >

double computeTriangles

(

int

size

)

Definition at line 428 of file testClone2.cpp.

{
  double total = 0.0;
  Point A( 0, 0 );
  for ( int yb = 0; yb < size; ++yb ) 
    for ( int xb = 0; xb < size; ++xb ) 
      {
        Point B( xb, yb );
        for ( int yc = 0; yc < size; ++yc ) 
          for ( int xc = 0; xc < size; ++xc )
            {
              Point C( xc, yc );
              Triangle T( A, B, C );
              total += T.perimeter();
            }
      }
  return total;
}

Referenced by testCloneTimings().

computeTrianglesByCowPtr()

template<typename Triangle >

double computeTrianglesByCowPtr

(

int

size

)

Definition at line 449 of file testClone2.cpp.

{
  double total = 0.0;
  CowPtr<Point> A( new Point( 0, 0 ) );
  for ( int yb = 0; yb < size; ++yb ) 
    for ( int xb = 0; xb < size; ++xb ) 
      {
        CowPtr<Point> B( new Point( xb, yb ) );
        for ( int yc = 0; yc < size; ++yc ) 
          for ( int xc = 0; xc < size; ++xc )
            {
              CowPtr<Point> C( new Point( xc, yc ) );
              Triangle T( A, B, C );
              total += T.perimeter();
            }
      }
  return total;
}

Referenced by testCloneTimings().

main()

int main

(

void

)

Definition at line 947 of file testClone2.cpp.

{
  bool ok = true
    && testCloneCases() 
    && testCloneTimings()
    && testAliasCases()
    && testConstAliasCases();
 
  return ok ? 0 : 1;
}

References testAliasCases(), testCloneCases(), testCloneTimings(), and testConstAliasCases().

testAliasCases()

bool testAliasCases

(

)

Alias: Performs without unnecessary duplicates "parameter -> member data"

• A& -> A& // no duplication (checked)
• A* -> A& // no duplication, exception if null (checked)
• A& -> A* // no duplication (checked)
• A* -> A* // no duplication (checked)
• CountedPtr -> CountedPtr // shared (checked)
• CountedPtr -> CowPtr // shared (not logical, but not preventable). (checked)

Definition at line 477 of file testClone2.cpp.

{
  unsigned int nb = 0;
  unsigned int nbok = 0;
  DummyTbl a1( 100, 10 ); // +1/0
  DummyTbl* ptr_a2 = new DummyTbl( 100, 18 ); // +1/0
  CountedPtr<DummyTbl> counted_a1( new DummyTbl( 100, 12 ) ); // +1/0
  DummyTbl::reset();
  trace.beginBlock ( "Testing class Alias." );
 
  /*
     - A& -> A&                       // no duplication
     - A* -> A&                       // no duplication, exception if null
     - A& -> A*                       // no duplication
     - A* -> A*                       // no duplication
     - CountedPtr<A> -> CountedPtr<A> // shared
  */
  trace.beginBlock ( "Alias: #DummyTbl with DummyTbl& to DummyTbl& member. no duplication (0/0)" );
  AliasToRefMember c00( a1 ); // 0/0
  trace.info() << "D: d1.value() = " << c00.value() << std::endl;
  ++nb; nbok += DummyTbl::nbCreated==0 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbDeleted==0 ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " nbCreated=" << DummyTbl::nbCreated 
               << " nbDeleted=" << DummyTbl::nbDeleted << std::endl; 
  trace.endBlock();
 
  trace.beginBlock ( "Alias: #DummyTbl with DummyTbl* to DummyTbl& member. no duplication (0/0)" );
  AliasToRefMember c10( ptr_a2 ); // 0/0
  trace.info() << "D: d1.value() = " << c10.value() << std::endl;
  ++nb; nbok += DummyTbl::nbCreated==0 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbDeleted==0 ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " nbCreated=" << DummyTbl::nbCreated 
               << " nbDeleted=" << DummyTbl::nbDeleted << std::endl; 
  trace.endBlock();
 
  trace.beginBlock ( "Alias: #DummyTbl with DummyTbl& to DummyTbl* member. no duplication (0/0)" );
  AliasToPtrMember c01( a1 ); // 0/0
  trace.info() << "D: d1.value() = " << c01.value() << std::endl;
  ++nb; nbok += DummyTbl::nbCreated==0 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbDeleted==0 ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " nbCreated=" << DummyTbl::nbCreated 
               << " nbDeleted=" << DummyTbl::nbDeleted << std::endl; 
  trace.endBlock();
 
  trace.beginBlock ( "Alias: #DummyTbl with DummyTbl* to DummyTbl* member. no duplication (0/0)" );
  AliasToPtrMember c11( ptr_a2 ); // 0/0
  trace.info() << "D: d1.value() = " << c11.value() << std::endl;
  ++nb; nbok += DummyTbl::nbCreated==0 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbDeleted==0 ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " nbCreated=" << DummyTbl::nbCreated 
               << " nbDeleted=" << DummyTbl::nbDeleted << std::endl; 
  trace.endBlock();
 
  trace.beginBlock ( "Alias: #DummyTbl with DummyTbl& to CountedPtrOrPtr<DummyTbl> member. no duplication (0/0)" );
  AliasToCountedPtrOrPtrMember c06( a1 ); // 0/0
  trace.info() << "D: d1.value() = " << c06.value() << std::endl;
  trace.info() << c06.myDummyTbl << std::endl;
  ++nb; nbok += DummyTbl::nbCreated==0 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbDeleted==0 ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " nbCreated=" << DummyTbl::nbCreated 
               << " nbDeleted=" << DummyTbl::nbDeleted << std::endl; 
  trace.endBlock();
 
  trace.beginBlock ( "Alias: #DummyTbl with DummyTbl* to CountedPtrOrPtr<DummyTbl> member. no duplication (0/0)" );
  AliasToCountedPtrOrPtrMember c16( a1 ); // 0/0
  trace.info() << "D: d1.value() = " << c16.value() << std::endl;
  trace.info() << c16.myDummyTbl << std::endl;
  ++nb; nbok += DummyTbl::nbCreated==0 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbDeleted==0 ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " nbCreated=" << DummyTbl::nbCreated 
               << " nbDeleted=" << DummyTbl::nbDeleted << std::endl; 
  trace.endBlock();
 
  // const DummyTbl& const_a1 = a1; 
  // AliasToRefMember c02( const_a1 ); // does not execute.
  // const DummyTbl* const_ptr_a1 = &a1; 
  // AliasToRefMember c05( const_ptr_a1 ); // does not execute.
 
  trace.endBlock();
 
  delete ptr_a2;
  return nbok == nb;
}

References DGtal::Trace::beginBlock(), DGtal::Trace::endBlock(), DGtal::Trace::info(), and DGtal::trace.

Referenced by main().

testCloneCases()

bool testCloneCases

(

)

Clone: Performs without unnecessary duplicates "parameter -> member data"

• const A & -> A // immediate duplication (checked)
• A* -> A // immediate duplication, acquired and deleted. (checked)
• CountedPtr -> A // immediate duplication (checked)
• CowPtr -> A // immediate duplication (checked)
• A&& -> A // move into member (checked)
• const A & -> CowPtr // immediate duplication (checked)
• A* -> CowPtr // acquired (checked)
• CountedPtr -> CowPtr // lazy duplication (checked)
• CowPtr -> CowPtr // lazy duplication (checked)
• A&& -> CowPtr // move into member (checked)
• const A & -> A* // immediate duplication, should be deleted at the end. (checked)
• A* -> A* // acquired, should be deleted at the end. (checked)
  
• CountedPtr -> A* // immediate duplication, should be deleted at the end. (checked)
  
• CowPtr -> A* // immediate duplication, should be deleted at the end. (checked)
  
• A&& -> A* // move into member, should be deleted at the end. (checked)

Definition at line 693 of file testClone2.cpp.

{
  unsigned int nb = 0;
  unsigned int nbok = 0;
  DummyTbl a1( 50, 10 ); // +1/0
  CowPtr<DummyTbl> cow_a1( new DummyTbl( 50, 5 ) ); // +1/0
  CountedPtr<DummyTbl> counted_a1( new DummyTbl( 50, 12 ) ); // +1/0
  DummyTbl::reset();
  trace.beginBlock ( "Testing class Clone." );
 
 
  trace.beginBlock ( "Clone: #DummyTbl with (const DummyTbl &) to DummyTbl member. Duplication (+1/0)" );
  CloneToValueMember c00( a1 ); // +1/0
  trace.info() << "D: d1.value() = " << c00.value() << std::endl;
  ++nb; nbok += DummyTbl::nbCreated==1 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbDeleted==0 ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " nbCreated=" << DummyTbl::nbCreated 
               << " nbDeleted=" << DummyTbl::nbDeleted << std::endl; 
  trace.endBlock();
 
  trace.beginBlock ( "Clone: #DummyTbl with (CountedPtr<DummyTbl>) to DummyTbl member. Duplication (+1/0)" );
  CloneToValueMember c30( a1 ); // +1/0
  trace.info() << "D: d1.value() = " << c30.value() << std::endl;
  ++nb; nbok += DummyTbl::nbCreated==2 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbDeleted==0 ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " nbCreated=" << DummyTbl::nbCreated 
               << " nbDeleted=" << DummyTbl::nbDeleted << std::endl; 
  trace.endBlock();
 
  trace.beginBlock ( "Clone: #DummyTbl with (const DummyTbl &) to CountedPtr<DummyTbl> member. Duplication (+1/0)" );
  CloneToCountedMember c03( a1 ); // +1/0
  trace.info() << "D: d1.value() = " << c03.value() << std::endl;
  ++nb; nbok += DummyTbl::nbCreated==3 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbDeleted==0 ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " nbCreated=" << DummyTbl::nbCreated 
               << " nbDeleted=" << DummyTbl::nbDeleted << std::endl; 
  trace.endBlock();
 
  trace.beginBlock ( "Clone: #DummyTbl with (const DummyTbl &) to CowPtr<DummyTbl> member. Duplication (+1/0)" );
  CloneToCowMember c02( a1 ); // +1/0
  trace.info() << "D: d1.value() = " << c02.value() << std::endl;
  ++nb; nbok += DummyTbl::nbCreated==4 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbDeleted==0 ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " nbCreated=" << DummyTbl::nbCreated 
               << " nbDeleted=" << DummyTbl::nbDeleted << std::endl; 
  trace.endBlock();
 
  trace.beginBlock ( "Clone: #DummyTbl with (CowPtr<DummyTbl> &) to CowPtr<DummyTbl> member. Lazy duplication (0/0)" );
  CloneToCowMember c22( cow_a1 ); // +0/0
  trace.info() << "D: d1.value() = " << c22.value() << std::endl;
  ++nb; nbok += DummyTbl::nbCreated==4 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbDeleted==0 ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " nbCreated=" << DummyTbl::nbCreated 
               << " nbDeleted=" << DummyTbl::nbDeleted << std::endl; 
  c22.setValue( 17 );
  trace.info() << "D: d1.setValue( 17 ) -> now duplicating " << std::endl;
  trace.info() << "D: d1.value() = " << c22.value() << std::endl;
  ++nb; nbok += DummyTbl::nbCreated==5 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbDeleted==0 ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " nbCreated=" << DummyTbl::nbCreated 
               << " nbDeleted=" << DummyTbl::nbDeleted << std::endl; 
  trace.endBlock();
 
  trace.beginBlock ( "Clone: #DummyTbl with (CountedPtr<DummyTbl> &) to CowPtr<DummyTbl> member. Lazy duplication (0/0)" );
  CloneToCowMember c32( counted_a1 ); // +0/0
  trace.info() << "D: d1.value() = " << c32.value() << std::endl;
  ++nb; nbok += DummyTbl::nbCreated==5 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbDeleted==0 ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " nbCreated=" << DummyTbl::nbCreated 
               << " nbDeleted=" << DummyTbl::nbDeleted << std::endl; 
  c32.setValue( 21 );
  trace.info() << "D: d1.setValue( 21 ) -> now duplicating " << std::endl;
  trace.info() << "D: d1.value() = " << c32.value() << std::endl;
  ++nb; nbok += DummyTbl::nbCreated==6 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbDeleted==0 ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " nbCreated=" << DummyTbl::nbCreated 
               << " nbDeleted=" << DummyTbl::nbDeleted << std::endl; 
  trace.endBlock();
 
  trace.beginBlock ( "Clone: #DummyTbl with (DummyTbl*) to DummyTbl member. Acquisition, duplication, delete (+2/+1)" );
  CloneToValueMember c10( new DummyTbl( 50, 2 ) ); // +2/+1
  trace.info() << "D: d1.value() = " << c10.value() << std::endl;
  ++nb; nbok += DummyTbl::nbCreated==8 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbDeleted==1 ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " nbCreated=" << DummyTbl::nbCreated 
               << " nbDeleted=" << DummyTbl::nbDeleted << std::endl; 
  trace.endBlock();
 
  trace.beginBlock ( "Clone: #DummyTbl with (DummyTbl*) to CowPtr<DummyTbl> member. Acquisition, no duplication (+1/0)" );
  CloneToCowMember c12( new DummyTbl( 50, 15 ) ); // +1/0
  trace.info() << "D: d1.value() = " << c12.value() << std::endl;
  ++nb; nbok += DummyTbl::nbCreated==9 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbDeleted==1 ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " nbCreated=" << DummyTbl::nbCreated 
               << " nbDeleted=" << DummyTbl::nbDeleted << std::endl; 
  trace.endBlock();
 
  trace.beginBlock ( "Clone: #DummyTbl with (const DummyTbl&) to DummyTbl* member. Duplication (+1/0)" );
  CloneToPtrMember c01( a1 ); // +1/0
  trace.info() << "D: d1.value() = " << c01.value() << std::endl;
  ++nb; nbok += DummyTbl::nbCreated==10 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbDeleted==1 ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " nbCreated=" << DummyTbl::nbCreated 
               << " nbDeleted=" << DummyTbl::nbDeleted << std::endl; 
  trace.endBlock();
 
  trace.beginBlock ( "Clone: #DummyTbl with (DummyTbl*) to DummyTbl* member. Acquisition (+1/0)" );
  CloneToPtrMember c11( new DummyTbl( 50, 42 ) ); // +1/0
  trace.info() << "D: d1.value() = " << c11.value() << std::endl;
  ++nb; nbok += DummyTbl::nbCreated==11 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbDeleted==1 ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " nbCreated=" << DummyTbl::nbCreated 
               << " nbDeleted=" << DummyTbl::nbDeleted << std::endl; 
  trace.endBlock();
 
  trace.beginBlock ( "Clone: #DummyTbl with (CowPtr<DummyTbl>) to DummyTbl* member. Duplication (+1/0)" );
  CloneToPtrMember c21( cow_a1 ); // +1/0
  trace.info() << "D: d1.value() = " << c21.value() << std::endl;
  ++nb; nbok += DummyTbl::nbCreated==12 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbDeleted==1 ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " nbCreated=" << DummyTbl::nbCreated 
               << " nbDeleted=" << DummyTbl::nbDeleted << std::endl; 
  trace.endBlock();
 
  trace.beginBlock ( "Clone: #DummyTbl with (CountedPtr<DummyTbl>) to DummyTbl* member. Duplication (+1/0)" );
  CloneToPtrMember c31( counted_a1 ); // +1/0
  trace.info() << "D: d1.value() = " << c31.value() << std::endl;
  ++nb; nbok += DummyTbl::nbCreated==13 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbDeleted==1 ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " nbCreated=" << DummyTbl::nbCreated 
               << " nbDeleted=" << DummyTbl::nbDeleted << std::endl; 
  trace.endBlock();
 
  trace.beginBlock ( "Clone: #DummyTbl with (DummyTbl &&) to DummyTbl member. Duplication by move (+2/+1/+1)" );
  CloneToValueMember c40( DummyTbl( 50, -4 ) ); // +2/+1/+1
  trace.info() << "D: d1.value() = " << c40.value() << std::endl;
  ++nb; nbok += DummyTbl::nbCreated==15 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbDeleted==2 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbMoved==1 ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " nbCreated=" << DummyTbl::nbCreated 
               << " nbDeleted=" << DummyTbl::nbDeleted
               << " nbMoved=" << DummyTbl::nbMoved
               << std::endl; 
  trace.endBlock();
 
  trace.beginBlock ( "Clone: #DummyTbl with (DummyTbl &&) to CowPtr<DummyTbl> member. Duplication by move (+2/+1/+1)" );
  CloneToCowMember c42( DummyTbl( 50, -9 ) ); // +2/+1/+1
  trace.info() << "D: d1.value() = " << c42.value() << std::endl;
  ++nb; nbok += DummyTbl::nbCreated==17 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbDeleted==3 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbMoved==2 ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " nbCreated=" << DummyTbl::nbCreated 
               << " nbDeleted=" << DummyTbl::nbDeleted
               << " nbMoved=" << DummyTbl::nbMoved
               << std::endl; 
  trace.endBlock();
 
  trace.beginBlock ( "Clone: #DummyTbl with (DummyTbl &&) to DummyTbl* member. Duplication by move (+2/+1/+1)" );
  CloneToCowMember c41( DummyTbl( 50, -12 ) ); // +2/+1/+1
  trace.info() << "D: d1.value() = " << c41.value() << std::endl;
  ++nb; nbok += DummyTbl::nbCreated==19 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbDeleted==4 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbMoved==3 ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " nbCreated=" << DummyTbl::nbCreated 
               << " nbDeleted=" << DummyTbl::nbDeleted
               << " nbMoved=" << DummyTbl::nbMoved
               << std::endl; 
  trace.endBlock();
 
  trace.endBlock();
 
  return nbok == nb;
}

References DGtal::Trace::beginBlock(), DGtal::Trace::endBlock(), DGtal::Trace::info(), and DGtal::trace.

Referenced by main().

testCloneTimings()

bool testCloneTimings

(

)

Definition at line 884 of file testClone2.cpp.

{
  unsigned int nb = 0;
  unsigned int nbok = 0;
  int size = 10;
  trace.beginBlock ( "Testing Clone timings." );
 
  trace.beginBlock ( "Total perimeter of triangles with by-value parameter passing." );
  double t1 = computeTriangles<TriangleByValue>( size );
  trace.info() << "Perimeter is " << t1 << std::endl;
  ++nb; nbok += Point::nbCreated == Point::nbDeleted ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " Point nbCreated=" << Point::nbCreated 
               << " nbDeleted=" << Point::nbDeleted << std::endl; 
  int nbC = Point::nbCreated;
  Point::reset();
  trace.endBlock();
  trace.beginBlock ( "Total perimeter of triangles with by-const reference parameter passing." );
  double t2 = computeTriangles<TriangleByConstReference>( size );
  trace.info() << "Perimeter is " << t2 << std::endl;
  ++nb; nbok += Point::nbCreated == Point::nbDeleted ? 1 : 0;
  ++nb; nbok += Point::nbCreated < nbC ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " Point nbCreated=" << Point::nbCreated 
               << " nbDeleted=" << Point::nbDeleted << std::endl; 
  Point::reset();
  trace.endBlock();
  trace.beginBlock ( "Total perimeter of triangles with by Clone parameter passing." );
  double t4 = computeTriangles<TriangleByClone>( size );
  trace.info() << "Perimeter is " << t4 << std::endl;
  ++nb; nbok += Point::nbCreated == Point::nbDeleted ? 1 : 0;
  ++nb; nbok += Point::nbCreated < nbC ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " Point nbCreated=" << Point::nbCreated 
               << " nbDeleted=" << Point::nbDeleted << std::endl; 
  Point::reset();
  trace.endBlock();
  trace.beginBlock ( "Total perimeter of triangles with by CloneAndCow parameter passing." );
  double t5 = computeTriangles<TriangleByCloneAndCow>( size );
  trace.info() << "Perimeter is " << t5 << std::endl;
  ++nb; nbok += Point::nbCreated == Point::nbDeleted ? 1 : 0;
  ++nb; nbok += Point::nbCreated < nbC ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " Point nbCreated=" << Point::nbCreated 
               << " nbDeleted=" << Point::nbDeleted << std::endl; 
  Point::reset();
  trace.endBlock();
  trace.beginBlock ( "Total perimeter of triangles with CowPtr by CloneAndCow parameter passing." );
  double t6 = computeTrianglesByCowPtr<TriangleByCloneAndCow>( size );
  trace.info() << "Perimeter is " << t6 << std::endl;
  ++nb; nbok += Point::nbCreated == Point::nbDeleted ? 1 : 0;
  ++nb; nbok += Point::nbCreated < nbC ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " Point nbCreated=" << Point::nbCreated 
               << " nbDeleted=" << Point::nbDeleted << std::endl; 
  Point::reset();
  trace.endBlock();
 
  trace.endBlock();
 
  return nb == nbok;
}

References DGtal::Trace::beginBlock(), computeTriangles(), computeTrianglesByCowPtr(), DGtal::Trace::endBlock(), DGtal::Trace::info(), and DGtal::trace.

Referenced by main().

testConstAliasCases()

bool testConstAliasCases

(

)

ConstAlias: Performs without unnecessary duplicates "parameter -> member data"

• const A & -> const A & // no duplication (checked)
• const A* -> const A & // no duplication, exception if null (checked)
• const A & -> const A* // no duplication (checked)
• const A* -> const A* // no duplication (checked)
• CountedPtr -> CowPtr // potential lazy duplication (checked)
• CowPtr -> CowPtr // potential lazy duplication (checked)

Definition at line 576 of file testClone2.cpp.

{
  unsigned int nb = 0;
  unsigned int nbok = 0;
  DummyTbl a1( 100, 10 ); // +1/0
  DummyTbl* ptr_a2 = new DummyTbl( 100, 18 ); // +1/0
  CountedPtr<DummyTbl> counted_a1( new DummyTbl( 100, 12 ) ); // +1/0
  CowPtr<DummyTbl> cow_a1( new DummyTbl( 100, 16 ) ); // +1/0
  DummyTbl::reset();
  trace.beginBlock ( "Testing class ConstAlias." );
 
  /*
     - const A & -> const A &     // no duplication
     - const A* -> const A &      // no duplication, exception if null
     - const A & -> const A*      // no duplication
     - const A* -> const A*       // no duplication
     - CountedPtr<A> -> CowPtr<A> // potential lazy duplication
     - CowPtr<A> -> CowPtr<A>     // potential lazy duplication
  */
  trace.beginBlock ( "ConstAlias: #DummyTbl with const DummyTbl& to const DummyTbl& member. no duplication (0/0)" );
  ConstAliasToConstRefMember c00( a1 ); // 0/0
  trace.info() << "D: d1.value() = " << c00.value() << std::endl;
  ++nb; nbok += DummyTbl::nbCreated==0 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbDeleted==0 ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " nbCreated=" << DummyTbl::nbCreated 
               << " nbDeleted=" << DummyTbl::nbDeleted << std::endl; 
  trace.endBlock();
 
  trace.beginBlock ( "ConstAlias: #DummyTbl with const DummyTbl* to const DummyTbl& member. no duplication (0/0)" );
  ConstAliasToConstRefMember c10( ptr_a2 ); // 0/0
  trace.info() << "D: d1.value() = " << c10.value() << std::endl;
  ++nb; nbok += DummyTbl::nbCreated==0 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbDeleted==0 ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " nbCreated=" << DummyTbl::nbCreated 
               << " nbDeleted=" << DummyTbl::nbDeleted << std::endl; 
  trace.endBlock();
 
  trace.beginBlock ( "ConstAlias: #DummyTbl with const DummyTbl& to const DummyTbl* member. no duplication (0/0)" );
  ConstAliasToConstPtrMember c01( a1 ); // 0/0
  trace.info() << "D: d1.value() = " << c01.value() << std::endl;
  ++nb; nbok += DummyTbl::nbCreated==0 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbDeleted==0 ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " nbCreated=" << DummyTbl::nbCreated 
               << " nbDeleted=" << DummyTbl::nbDeleted << std::endl; 
  trace.endBlock();
 
  trace.beginBlock ( "ConstAlias: #DummyTbl with const DummyTbl* to const DummyTbl* member. no duplication (0/0)" );
  ConstAliasToConstPtrMember c11( ptr_a2 ); // 0/0
  trace.info() << "D: d1.value() = " << c11.value() << std::endl;
  ++nb; nbok += DummyTbl::nbCreated==0 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbDeleted==0 ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " nbCreated=" << DummyTbl::nbCreated 
               << " nbDeleted=" << DummyTbl::nbDeleted << std::endl; 
  trace.endBlock();
 
  trace.beginBlock ( "ConstAlias: #DummyTbl with const DummyTbl* to CountedConstPtrOrConstPtr<DummyTbl> member. No duplication (0/0)" );
  ConstAliasToCountedConstPtrOrConstPtrMember c17( ptr_a2 ); // 0/0
  trace.info() << "D: d1.value() = " << c17.value() << std::endl;
  ++nb; nbok += DummyTbl::nbCreated==0 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbDeleted==0 ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " nbCreated=" << DummyTbl::nbCreated 
               << " nbDeleted=" << DummyTbl::nbDeleted << std::endl; 
  trace.endBlock();
 
  trace.beginBlock ( "ConstAlias: #DummyTbl with const DummyTbl& to CountedConstPtrOrConstPtr<DummyTbl> member. No duplication (0/0)" );
  ConstAliasToCountedConstPtrOrConstPtrMember c07( a1 ); // 0/0
  trace.info() << "D: d1.value() = " << c07.value() << std::endl;
  ++nb; nbok += DummyTbl::nbCreated==0 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbDeleted==0 ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " nbCreated=" << DummyTbl::nbCreated 
               << " nbDeleted=" << DummyTbl::nbDeleted << std::endl; 
  trace.endBlock();
 
  trace.beginBlock ( "ConstAlias: #DummyTbl with CountedPtr<DummyTbl> to CountedConstPtrOrConstPtr<DummyTbl> member. No duplication (0/0)" );
  ConstAliasToCountedConstPtrOrConstPtrMember c37( counted_a1 ); // 0/0
  trace.info() << "D: d1.value() = " << c37.value() << std::endl;
  ++nb; nbok += DummyTbl::nbCreated==0 ? 1 : 0;
  ++nb; nbok += DummyTbl::nbDeleted==0 ? 1 : 0;
  trace.info() << "(" << nbok << "/" << nb << ")"
               << " nbCreated=" << DummyTbl::nbCreated 
               << " nbDeleted=" << DummyTbl::nbDeleted << std::endl; 
  trace.endBlock();
 
  // These lines do not compile.
  // DummyTbl& ref_a1 = ConstAlias<DummyTbl>( a1 );
  // DummyTbl* ptr_a1( & ConstAlias<DummyTbl>( a1 ) );
 
  trace.endBlock();
 
  delete ptr_a2;
  return nbok == nb;
}

References DGtal::Trace::beginBlock(), DGtal::Trace::endBlock(), DGtal::Trace::info(), and DGtal::trace.

Referenced by main().