Xorshift - WikipediaXorshiftã¯ç–‘似乱数列生æˆæ³•ã®1ã¤ã§ã‚る。George Marsaglia（w:George Marsaglia）ãŒ2003å¹´ã«æ案ã—ãŸã€‚演算ãŒæŽ’ä»–çš„è«–ç†å’Œã¨ãƒ“ットシフトã®ã¿ã§ã‚ã‚‹ãŸã‚高速ã§ã‚ã‚‹[1] ãªã©ã®ç‰¹å¾´ãŒã‚る。 #include <stdint.h> struct xorshift32_state { uint32_t a; }; /* The state word must be initialized to non-zero */ uint32_t xorshift32(struct xorshift32_state *state) { /* Algorithm "xor" from p. 4 of Marsaglia, "Xorshift RNGs" */ uint32_t x = state->a; x ^= x << 13; x ^= x >> 17; x ^=
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