testSignal.cpp

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#include <iostream>
#include "DGtal/base/Common.h"
#include "DGtal/math/Signal.h"
 
using namespace std;
using namespace DGtal;
 
// Functions for testing class Signal.
 
bool testSignal()
{
  trace.beginBlock ( "Testing block ..." );
  //double values[ 8 ] = { 1.0, 5.0, 3.0, 4.3, 6.2, 7.1, 5.7, 8.4 };
  double values[ ] = { 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 };
  Signal<double> signal( values, 8, 2, false, 0.0 );
  trace.info() << "Unperiodic signal" << endl;
  trace.info() << signal << endl;
  for ( unsigned int n = 1; n < 10; ++n )
    {
      Signal<double> Gauss = Signal<double>::G2n( n );
      Signal<double> conv_signal = signal * Gauss;
      trace.info() << conv_signal << endl;
    }
  Signal<double> signal2( values, 8, 2, true, 0.0 );
  trace.info() << "Periodic signal" << endl;
  trace.info() << signal2 << endl;
  for ( unsigned int n = 1; n < 10; ++n )
    {
      Signal<double> Gauss = Signal<double>::G2n( n );
      Signal<double> conv_signal = signal2 * Gauss;
      trace.info() << conv_signal << endl;
    }
  trace.endBlock();
  
  return true;
}
 
 
// Standard services - public :
 
int main( int argc, char** argv )
{
  trace.beginBlock ( "Testing class Signal" );
  trace.info() << "Args:";
  for ( int i = 0; i < argc; ++i )
    trace.info() << " " << argv[ i ];
  trace.info() << endl;
 
  bool res = testSignal();
  trace.emphase() << ( res ? "Passed." : "Error." ) << endl;
  trace.endBlock();
  return res ? 0 : 1;
}
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