Method Task_MatchProdStr

avida-core/source/main/cTaskLib.cc:2241–2326

double cTaskLib::Task_MatchProdStr(cTaskContext& ctx) const
{
  // These even out the stats tracking.
  m_world->GetStats().AddTag(ctx.GetTaskEntry()->GetArguments().GetInt(2), 0);
  m_world->GetStats().AddTag(-1, 0);
	
  tBuffer<int> temp_buf(ctx.GetOutputBuffer());
  
  const cString& string_to_match = ctx.GetTaskEntry()->GetArguments().GetString(0);
  int partial = ctx.GetTaskEntry()->GetArguments().GetInt(0);
  int binary = ctx.GetTaskEntry()->GetArguments().GetInt(1);
  double mypow = ctx.GetTaskEntry()->GetArguments().GetDouble(0);
  int string_index;
  int num_matched = 0;
  int test_output;
  int max_num_matched = 0;
  int num_real=0;
	
  if (!binary) {
    if (temp_buf.GetNumStored() > 0) {
      test_output = temp_buf[0];
			
      for (int j = 0; j < string_to_match.GetSize(); j++) {  
	string_index = string_to_match.GetSize() - j - 1; // start with last char in string
	int k = 1 << j;
	if ((string_to_match[string_index] == '0' && !(test_output & k)) ||
	    (string_to_match[string_index] == '1' && (test_output & k))) num_matched++;
      }
      max_num_matched = num_matched;
    }
  }
  else {
    for (int j = 0; j < string_to_match.GetSize(); j++) {
      if (string_to_match[j]!='9') num_real++;
      if ((string_to_match[j]=='0' && temp_buf[j]==0) ||
	  (string_to_match[j]=='1' && temp_buf[j]==1))
	num_matched++;
    }
    max_num_matched = num_matched;
  }
  
  // Check if the organism already produced this string. 
  // If so, it receives a perfect score for this task.
  int tag = ctx.GetTaskEntry()->GetArguments().GetInt(2);
	
  if (m_world->GetConfig().MATCH_ALREADY_PRODUCED.Get()) {
    int prod = ctx.GetOrganism()->GetNumberStringsProduced(tag); 
    if (prod) max_num_matched = string_to_match.GetSize();
  }
	
  
  // Update the organism's tag. 
  ctx.GetOrganism()->UpdateTag(tag, max_num_matched);
  if (ctx.GetOrganism()->GetTagLabel() == tag) {
    ctx.GetOrganism()->SetLineageLabel(ctx.GetTaskEntry()->GetArguments().GetInt(2));
  }