Created
February 3, 2022 10:09
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tiny randomizer
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| #include <stdint.h> | |
| #include <stdlib.h> | |
| uint32_t tiny_rand(void) | |
| { | |
| uint32_t t = _seed; | |
| t ^= t >> 10; | |
| t ^= t << 9; | |
| t ^= t >> 25; | |
| _seed = t; | |
| return t & RAND_MAX; | |
| } | |
| void tiny_srand(uint32_t seed) | |
| { | |
| _seed = seed | 0x80000000; | |
| } | |
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