JGroup.cc

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#include <string>
#include <iostream>
#include <iomanip>

#include "JLang/JGroup.hh"

#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"

namespace {

  using JLANG::JGroup;

  template<>
  const double JGroup<double>::group[]  =  {
    0.0,
    1.0,
    2.0,
    3.0
  };

  static const JGroup<double>& getElement = JGroup<double>::getInstance();
}


/**
 * \file
 *
 * Example program to test JLANG::JGroup class.
 * \author mdejong
 */
int main(int argc, char **argv)
{
  using namespace std;
  using namespace JPP;

  int  debug;

  try {

    JParser<> zap("Example program to test groups.");

    zap['d'] = make_field(debug)      = 3;

    zap(argc, argv);
  }
  catch(const exception &error) {
    FATAL(error.what() << endl);
  }

  DEBUG("Size of group " << JGroup<double>::size << endl);

  const int N = 4;

  for (int i = 0; i != N; ++i) {
    DEBUG(i << ' ' << getElement(i) << endl);
  }

  ASSERT(JGroup<double>::size == N, "Test size of group.");

  for (int i = 0; i != N; ++i) {
    ASSERT(getElement(i) == (double) i, "Test element access.");
  }

  return 0;
}