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- #ifndef DEADBEEF_RAND_H
- #define DEADBEEF_RAND_H
- #include <stdint.h>
- #define DEADBEEF_MAX UINT32_MAX
- /* Dead Beef Random Number Generator From: http://inglorion.net/software/deadbeef_rand */
- /* Generates a random number between 0 and DEADBEEF_MAX. */
- uint32_t deadbeef_rand(void);
- /* Seeds with the given integer. */
- void deadbeef_srand(uint32_t x);
- /* Generates seed from the current time. */
- uint32_t deadbeef_generate_seed(void);
- /* Seeds with the above function. */
- #define deadbeef_srand_time() deadbeef_srand(deadbeef_generate_seed())
- /* Returns random double in the range [a, b).*/
- #define DEADBEEF_UNIFORM(a, b) \
- ((a) + (deadbeef_rand() / (((double)DEADBEEF_MAX / (b - a) + 1))))
- /* Returns random integer in the range [a, b).*/
- #define DEADBEEF_RANDRANGE(a, b) (uint32_t)DEADBEEF_UNIFORM(a, b)
- #endif /* DEADBEEF_RAND_H */
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