25 lines
621 B
C
25 lines
621 B
C
#include "random.h"
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void random_init(Random_Generator *random_generator, uint32_t seed) {
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if(seed == 0) {
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seed = 1;
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}
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random_generator->seed = seed;
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random_generator->state = random_generator->seed;
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}
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uint32_t random_u32(Random_Generator *random_generator) {
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uint32_t x = random_generator->state;
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x ^= x << 13;
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x ^= x >> 17;
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x ^= x << 5;
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random_generator->state = x;
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return x;
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}
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uint32_t random_u32_range(Random_Generator *random_generator, uint32_t min, uint32_t max) {
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return min + (random_u32(random_generator) % (max - min + 1));
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} |