Subversion Repositories shark

/*
 * Project: S.Ha.R.K.
 *
 * Coordinators:
 *   Giorgio Buttazzo    <giorgio@sssup.it>
 *   Paolo Gai           <pj@gandalf.sssup.it>
 *
 * Authors     :
 *   Paolo Gai           <pj@gandalf.sssup.it>
 *   Massimiliano Giorgi <massy@gandalf.sssup.it>
 *   Luca Abeni          <luca@gandalf.sssup.it>
 *   (see the web pages for full authors list)
 *
 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
 *
 * http://www.sssup.it
 * http://retis.sssup.it
 * http://shark.sssup.it
 */


/**
 ------------
 CVS :        $Id: utils.c,v 1.1.1.1 2004-05-24 18:03:39 giacomo Exp $

 File:        $File$
 Revision:    $Revision: 1.1.1.1 $
 Last update: $Date: 2004-05-24 18:03:39 $
 ------------
**/

/*
 * Copyright (C) 2000 Marco Dallera and Marco Fiocca
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

/*
 *              AUTO
 *
 * Another Unuseful Track simulatOr
 *
 * Authors: Marco Dallera
 *          Marco Fiocca
 *
 */

#include "include/auto.h"
#include "include/utils.h"
#include <string.h>
#include <stdlib.h>

float rand_01()
{
  return (((float)(rand()%20) / 100.0) + 0.8);
}

int rand_color()
{
  return (rand()%16);
}

int round(float value)
{
  return ((int)(value + 0.5));
}

void reverse(char s[]) {
  int c, i, j;

  for (i = 0, j = strlen(s)-1; i<j; i++, j--) {
    c = s[i];
    s[i] = s[j];
    s[j] = c;
  }
}

char * itoa(int n, char *s) {
  int i, sign;

  if ((sign = n) < 0)
    n = -n;
  i = 0;

  do {
    s[i++] = n % 10 + '0';
  } while ((n /= 10) > 0);

  if (sign < 0)
    s[i++] = '-';
  s[i] = 0;

  reverse(s);

  return s;
}

time int2time(int t)
{
  time ts;

  ts.dec = t % 10;
  ts.sec = (t/10) % 60;
  ts.min = (int)(t / 600);

  return ts;
}