test_signal.cpp

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/*
 * Copyright 2010,
 * François Bleibel,
 * Olivier Stasse,
 *
 * CNRS/AIST
 *
 */
 
/* -------------------------------------------------------------------------- */
/* --- INCLUDES ------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
#include <dynamic-graph/all-signals.h>
#include <dynamic-graph/linear-algebra.h>
 
#include <iostream>
using namespace std;
using namespace dynamicgraph;
 
class DummyClass {
 public:
  dynamicgraph::Vector &fun(dynamicgraph::Vector &res, double j) {
    res.resize(3);
    res.fill(j);
    return res;
  }
};
 
dynamicgraph::Vector test_data(6);
Signal<dynamicgraph::Vector, double> sig("sigtest");
DummyClass dummy;
 
dynamicgraph::Vector &fun(dynamicgraph::Vector &res, double /*j*/) {
  return res = test_data;
}
 
int main(void) {
  test_data.fill(1);
  cout << "test_data: " << test_data << endl;
 
  sig.setConstant(test_data);
  cout << "Constant: " << sig.access(1.) << endl;
  test_data *= 2;
  cout << "Constant: " << sig(1.) << endl;
 
  sig.setReference(&test_data);
  cout << "Reference: " << sig(1.) << endl;
  test_data *= 2;
  cout << "Reference: " << sig(1.) << endl;
 
  sig.setFunction(&fun);
  cout << "Function: " << sig(1.) << endl;
  test_data *= 2;
  cout << "Function: " << sig(1.) << endl;
 
  // boost::function2<int,int,double> onClick = (&DummyClass::fun, &dummy,
  // _1,_2)   ; boost::function<> onClick = boost::bind(&DummyClass::fun,
  // &dummy);
  sig.setFunction(boost::bind(&DummyClass::fun, &dummy, _1, _2));
  cout << "Function: " << sig(1.5) << endl;
  test_data *= 2;
  cout << "Function: " << sig(1.34) << endl;
 
  //   sig.setFunction(&DummyClass::fun, dummy);
  //   cout << "Function: " << sig(1.5) <<endl;
  //   test_data*=2;
  //   cout << "Function: " << sig(12.34) <<endl;
 
  return 0;
}