20 lines
366 B
C
20 lines
366 B
C
#include <stdlib.h>
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#include <stdint.h>
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static uint32_t seed = 1;
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void srand(unsigned int new_seed)
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{
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seed = new_seed;
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}
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int rand(void)
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{
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seed = 16807 * seed;
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uint32_t top = ((uint32_t)1 << 31) - 1;
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while(seed >= top) seed -= top;
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/* TODO Or maybe seed = (16807 * seed) % ((1 << 31) - 1); */
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// seed = seed * 1103515245 + 12345;
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return seed & 0x7fffffff;
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}
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