*
* Copyright (C) 2009 Denys Vlasenko
*
- * Licensed under GPLv2, see file LICENSE in this tarball for details.
+ * Licensed under GPLv2, see file LICENSE in this source tree.
*/
+#ifndef SHELL_RANDOM_H
+#define SHELL_RANDOM_H 1
+
+PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
typedef struct random_t {
/* Random number generators */
uint32_t LCG; /* LCG (fast but weak) */
} random_t;
+#define UNINITED_RANDOM_T(rnd) \
+ ((rnd)->galois_LFSR == 0)
+
#define INIT_RANDOM_T(rnd, nonzero, v) \
((rnd)->galois_LFSR = (nonzero), (rnd)->LCG = (v))
+#define CLEAR_RANDOM_T(rnd) \
+ ((rnd)->galois_LFSR = 0)
+
uint32_t next_random(random_t *rnd) FAST_FUNC;
+
+POP_SAVED_FUNCTION_VISIBILITY
+
+#endif