/******************************************************************************
 *
 * Created by: Carla Negri Lintzmayer
 *             Maycon Sambinelli
 * To be used by our students
 *
 * CC BY-NC-ND 4.0
 * Attribution-NonCommercial-NoDerivatives 4.0 International
 * https://creativecommons.org/licenses/by-nc-nd/4.0/
 *
 *****************************************************************************/


#ifndef __UTILS_H_
#define __UTILS_H_

#include<stdlib.h>
#include<time.h>

#define DEBUGING  1
#define DEBUG(fmt, ...) \
    do { if (DEBUGING) fprintf(stderr, "%s:%d:%s(): " fmt, __FILE__, \
                            __LINE__, __func__, __VA_ARGS__); } while (0)


#define INIT_RAND do { srand((long) time(NULL)); } while (0)

void* Malloc(size_t size);

double rand_double();

int rand_int(int a, int b); /* a to b, inclusive */

typedef struct {double x; double y;} Point;

Point point(double, double);

#define SWAP(a, b) do { typeof(a) t; t = a; a = b; b = t; } while(0)

#define MAX(a, b) (((a) > (b)) ? (a) : (b))
#define MIN(a, b) (((a) < (b)) ? (a) : (b))


#endif // __UTILS_H_