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15 lines
234 B
15 lines
234 B
#include <stdlib.h>
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static unsigned temper(unsigned x)
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{
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x ^= x>>11;
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x ^= x<<7 & 0x9D2C5680;
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x ^= x<<15 & 0xEFC60000;
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x ^= x>>18;
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return x;
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}
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int rand_r(unsigned *seed)
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{
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return temper(*seed = *seed * 1103515245 + 12345)/2;
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}
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