testDGtalBigInteger.cpp

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#include <iostream>
#include "DGtal/base/Common.h"
#include "DGtal/io/boards/Board2D.h"
#include "DGtal/kernel/SpaceND.h"
#include "DGtal/geometry/curves/ArithmeticalDSSComputer.h"
#include "DGtal/geometry/curves/FreemanChain.h"
#include "DGtal/geometry/curves/GreedySegmentation.h"
#include "DGtal/kernel/domains/HyperRectDomain.h"
#include "DGtal/images/ImageContainerBySTLVector.h"
 
 
using namespace std;
using namespace DGtal;
 
// Functions for testing class DGtalBIGINTEGER.
 
bool testDGtalBIGINTEGER()
{
  unsigned int nbok = 0;
  unsigned int nb = 0;
  
  trace.beginBlock ( "BIGINTEGER linking test..." );
 
  DGtal::BigInteger a(1234);
  DGtal::BigInteger b("-5678");
  DGtal::BigInteger c = a + b;
 
  trace.info() << "sum is " << c << "\n";
  trace.info() << "absolute value is " << abs(c) << "\n";
 
  nbok += (abs(c)==4444) ? 1 : 0; 
  nb++;
  trace.info() << "(" << nbok << "/" << nb << ") "
         << "true == true" << std::endl;
  trace.endBlock();
  
  return nbok == nb;
}
 
 
bool testBIGINTEGERSpace()
{
  unsigned int nbok = 0;
  unsigned int nb = 0;
  
  trace.beginBlock ( "BIGINTEGER Space test..." );
   
  //This space is weird...
  typedef SpaceND<2, DGtal::BigInteger> Space2;
  typedef Space2::Point Point;
  typedef Space2::Point::Coordinate Coordinate;
  typedef HyperRectDomain<Space2> Domain;
 
  DGtal::BigInteger a(1234);
  DGtal::BigInteger b("-5678");
  Point p(a,b);
 
  typedef FreemanChain<Coordinate> Contour;
 
  // Construct the Freeman chain
  std::stringstream ss(stringstream::in | stringstream::out);
  ss << "31 16 11121212121212212121212212122122222322323233323333333323333323303330330030300000100010010010001000101010101111" << endl;
  Contour theContour( ss );
 
  Point p1( 0, 0 );
  Point p2( 31, 31 );
 
  trace.info() <<"p2.norm()= "<< p2.norm()<<endl;
 
  Domain domain( p1, p2 );
  Board2D aBoard;
  aBoard << SetMode( domain.className(), "Grid" )
   << domain
   << theContour;
 
  aBoard.saveSVG("testbigintcontour.svg");
 
 
  nbok += true ? 1 : 0; 
  nb++;
  trace.info() << "(" << nbok << "/" << nb << ") "
         << "true == true" << std::endl;
  trace.endBlock();
  
  return nbok == nb;
}
 
// Standard services - public :
 
int main( int argc, char** argv )
{
  trace.beginBlock ( "Testing class DGtalBIGINTEGER" );
  trace.info() << "Args:";
  for ( int i = 0; i < argc; ++i )
    trace.info() << " " << argv[ i ];
  trace.info() << endl;
 
  bool res = testDGtalBIGINTEGER() && testBIGINTEGERSpace(); // && ... other tests
  trace.emphase() << ( res ? "Passed." : "Error." ) << endl;
  trace.endBlock();
  return res ? 0 : 1;
}
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