C++ (Cpp) update_k_values Examples

Example #1

File: order-stats.c Project: RobertDash/pspp

void
order_stats_accumulate_idx (struct order_stats **os, size_t nos,
                            struct casereader *reader,
                            int wt_idx,
                            int val_idx)
{
  struct ccase *cx;
  struct ccase *prev_cx = NULL;
  double prev_value = -DBL_MAX;

  double cc_i = 0;
  double c_i = 0;

  for (; (cx = casereader_read (reader)) != NULL; case_unref (cx))
    {
      const double weight = (wt_idx == -1) ? 1.0 : case_data_idx (cx, wt_idx)->f;
      const double this_value = case_data_idx (cx, val_idx)->f;

      /* The casereader MUST be sorted */
      assert (this_value >= prev_value);

      if ( prev_value == -DBL_MAX || prev_value == this_value)
	c_i += weight;

      if ( prev_value > -DBL_MAX && this_value > prev_value)
	{
	  update_k_values (prev_cx, prev_value, c_i, cc_i, os, nos);
	  c_i = weight;
	}

      case_unref (prev_cx);
      cc_i += weight;
      prev_value = this_value;
      prev_cx = case_ref (cx);
    }

  update_k_values (prev_cx, prev_value, c_i, cc_i, os, nos);
  case_unref (prev_cx);

  casereader_destroy (reader);
}

Example #2

File: Styrmodul.c Project: grupphenning/allt

int main(void)
{
	//Sväng inte
	turn = 0;
	
	//Initiera spi, pwm och display
	spi_init();
	pwm_init();
	init_display();
	update();
	
	claw_out();
	_delay_ms(500);
	claw_in();	
	
	//Aktivera global interrupts
	sei();
	
	//Initiera regulator
	clear_pid();	
	init_pid(80, -80);
	//update_k_values(40, 12, 22);
	update_k_values(40, 170, 20);
	
	// Pekare till aktuell position i bufferten
	tmp_sensor_buffer_p = 0x00;
	
	// Flagga som avgör huruvida vi är i början av meddelande	
	sensor_start = 1;
	
	// Anger aktuell längd av meddelandet				
	tmp_sensor_buffer_len = 0x00;
	
	//Initiera standardsträng på display		
	init_default_printf_string();
	clear_screen();
	update();
	
	
	while(1)
	{
		uint8_t has_comm_data, has_sensor_data, comm_data, sensor_data;
	
		do_spi(&has_comm_data, &has_sensor_data, &comm_data, &sensor_data);
		
		//Undersök och hantera meddelanden från slavarna
		if(has_comm_data) decode_comm(comm_data);
		if(has_sensor_data) decode_sensor(sensor_data);
		
		//Vid manuell sväng eller 180 grader måste make_turn anropas 		
		if(!autonomous || turning_180)
		{
			if(turn_dir) 
			{
				make_turn_flag = 1;
				make_turn(turn_dir);
				
				if(!make_turn_flag) 
				{
					turn_dir = 0;
					stop_motors();
				}				
			}
		}			
		
		//Kör regulatorn
		if (regulator_enable)
		{
			regulator(sensor_buffer[IR_RIGHT_FRONT] - sensor_buffer[IR_RIGHT_BACK], 
					  sensor_buffer[IR_LEFT_FRONT] - sensor_buffer[IR_LEFT_BACK], 
					  sensor_buffer[IR_RIGHT_FRONT] - sensor_buffer[IR_LEFT_FRONT], 
					  sensor_buffer[IR_RIGHT_BACK] - sensor_buffer[IR_LEFT_BACK]);
			regulator_enable = 0;
		}	
	}
}