gstreamer/subprojects/gst-plugins-good/gst/goom2k1/goom_tools.h

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#ifndef _GOOMTOOLS_H
#define _GOOMTOOLS_H
#define NB_RAND 0x10000
#define RAND_INIT(gd,i) \
srand (i); \
if (gd->rand_tab == NULL) \
gd->rand_tab = g_malloc (NB_RAND * sizeof(gint)) ;\
gd->rand_pos = 0; \
while (gd->rand_pos < NB_RAND) \
gd->rand_tab [gd->rand_pos++] = rand ();
#define RAND(gd) \
(gd->rand_tab[gd->rand_pos = ((gd->rand_pos + 1) % NB_RAND)])
#define RAND_CLOSE(gd) \
g_free (gd->rand_tab); \
gd->rand_tab = NULL;
/*#define iRAND(i) ((guint32)((float)i * RAND()/RAND_MAX)) */
#define iRAND(gd,i) (RAND(gd) % i)
#endif