Last change
on this file since 388 was 388, checked in by coas-nagasima, 5 years ago |
Azure IoT Hub Device C SDK を使ったサンプルの追加
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File size:
285 bytes
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[388] | 1 | #include <stdint.h>
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| 2 |
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| 3 | uint64_t __rand48_step(unsigned short *xi, unsigned short *lc)
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| 4 | {
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| 5 | uint64_t a, x;
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| 6 | x = xi[0] | xi[1]+0U<<16 | xi[2]+0ULL<<32;
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| 7 | a = lc[0] | lc[1]+0U<<16 | lc[2]+0ULL<<32;
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| 8 | x = a*x + lc[3];
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| 9 | xi[0] = x;
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| 10 | xi[1] = x>>16;
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| 11 | xi[2] = x>>32;
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| 12 | return x & 0xffffffffffffull;
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| 13 | }
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