fusl/src/prng/__rand48_step.c - Issue 1573973002: Add a "fork" of musl as //fusl.

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Side by Side Diff: fusl/src/prng/__rand48_step.c

Issue 1573973002: Add a "fork" of musl as //fusl. (Closed) Base URL: https://github.com/domokit/mojo.git@master

Patch Set: Created 4 years, 11 months ago

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	1 #include <stdint.h>

	2

	3 uint64_t __rand48_step(unsigned short xi, unsigned short lc)

	4 {

	5 uint64_t a, x;

	6 x = xi[0] \| xi[1]+0U<<16 \| xi[2]+0ULL<<32;

	7 a = lc[0] \| lc[1]+0U<<16 \| lc[2]+0ULL<<32;

	8 x = a*x + lc[3];

	9 xi[0] = x;

	10 xi[1] = x>>16;

	11 xi[2] = x>>32;

	12 return x & 0xffffffffffffull;

	13 }

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