pattern.cpp File Reference

#include <cstdlib>
#include <cmath>
#include <iostream>
#include <iomanip>
#include <string>
#include "DGtal/arithmetic/LighterSternBrocot.h"
#include "DGtal/arithmetic/Pattern.h"

Go to the source code of this file.

Functions
void	usage (int, char **argv)
int	main (int argc, char **argv)

Detailed Description

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 5127), University of Savoie, France

Date

2012/02/06

An example file named pattern.

This file is part of the DGtal library.

Definition in file pattern.cpp.

Function Documentation

main()

int main	(	int	argc,
		char **	argv
	)

Main.

[pattern-types]

[pattern-types]

[pattern-instantiation]

[pattern-instantiation]

[pattern-process]

[pattern-process]

Definition at line 59 of file pattern.cpp.

{
  if ( argc < 3 )
    {
      usage( argc, argv );
      return 1;
    }
 
  typedef DGtal::int32_t Integer;
  typedef DGtal::int32_t Quotient;
  typedef LighterSternBrocot<Integer, Quotient, StdMapRebinder> SB; // the type of the Stern-Brocot tree
  typedef SB::Fraction Fraction; // the type for fractions
  typedef Pattern<Fraction> MyPattern; // the type for patterns
 
  DGtal::int32_t p = atoi( argv[ 1 ] );
  DGtal::int32_t q = atoi( argv[ 2 ] );
  MyPattern pattern( p, q );
 
  bool sub = ( argc > 3 ) && ( std::string( argv[ 3 ] ) == "SUB" );
  std::cout << ( ! sub ? pattern.rE() : pattern.rEs( "(|)" ) ) << std::endl;
  return 0;
}

usage()

void usage	(	int	,
		char **	argv
	)

Definition at line 49 of file pattern.cpp.

{
  std::cerr << "Usage: " << argv[ 0 ] << " <p> <q> [SUB]" << std::endl;
  std::cerr << "\t - computes the pattern of slope p / q and displays it." << std::endl;
  std::cerr << "\t - the optional [SUB] parameter displays the pattern with its recursive Berstel decomposition." << std::endl;
}