34 lines
637 B
C
34 lines
637 B
C
#include <stdio.h>
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#include <stdint.h>
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uint32_t xorshift32(uint32_t x)
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{
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/* Algorithm "xor" from p. 4 of Marsaglia, "Xorshift RNGs" */
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x = x ^ (x << 13);
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x = x ^ (x >> 17);
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x = x ^ (x << 5);
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return x;
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}
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uint32_t get_rand(uint32_t x) {
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uint32_t out = 0;
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int i;
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for (i = 0; i < 32; i++) {
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x = xorshift32(x);
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if ((x & 1) == 1)
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out = out | (1<< i);
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}
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return out;
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}
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int main(int argc, char **argv) {
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int i;
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uint32_t init = 1;
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for (i = 0; i < 2048; i++) {
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init = get_rand(init);
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printf("%08x\n", init);
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}
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return 0;
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} |