goom_tools.h

Go to the documentation of this file.

#ifndef GOOMTOOLS_H
#define GOOMTOOLS_H
 
#if !defined( M_PI ) 
 #define M_PI 3.14159265358979323846 
#endif
#define M_PI_F ((float)M_PI)
 
#define NB_RAND 0x10000
 
/* in graphic.c */
extern int *rand_tab;
static unsigned short rand_pos;
 
#define RAND_INIT(i) \
        srand (i) ;\
        if (!rand_tab) rand_tab = (int *) malloc (NB_RAND * sizeof(int)) ;\
        rand_pos = 1 ;\
        while (rand_pos != 0) rand_tab [rand_pos++] = rand () ;
 
 
static inline int RAND(void) {
        ++rand_pos;
        return rand_tab[rand_pos];
}
 
#define RAND_CLOSE()\
        free (rand_tab);\
        rand_tab = nullptr;
 
 
//#define iRAND(i) ((guint32)((float)i * RAND()/RAND_MAX))
#define iRAND(i) (RAND()%(i))
 
//inline unsigned int RAND(void);
//inline unsigned int iRAND(int i);
 
#endif // GOOMTOOLS_H