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annotate third_party/luajit/src/lj_prng.h @ 202:b9b184b3303c

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author MrJuneJune <me@mrjunejune.com>
date Sun, 15 Feb 2026 09:12:57 -0800
parents 94705b5986b3
children
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178
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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1 /*
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2 ** Pseudo-random number generation.
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3 ** Copyright (C) 2005-2023 Mike Pall. See Copyright Notice in luajit.h
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4 */
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5
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6 #ifndef _LJ_PRNG_H
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7 #define _LJ_PRNG_H
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8
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9 #include "lj_def.h"
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10
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11 LJ_FUNC int LJ_FASTCALL lj_prng_seed_secure(PRNGState *rs);
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12 LJ_FUNC uint64_t LJ_FASTCALL lj_prng_u64(PRNGState *rs);
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13 LJ_FUNC uint64_t LJ_FASTCALL lj_prng_u64d(PRNGState *rs);
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14
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15 /* This is just the precomputed result of lib_math.c:random_seed(rs, 0.0). */
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16 static LJ_AINLINE void lj_prng_seed_fixed(PRNGState *rs)
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17 {
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18 rs->u[0] = U64x(a0d27757,0a345b8c);
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19 rs->u[1] = U64x(764a296c,5d4aa64f);
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20 rs->u[2] = U64x(51220704,070adeaa);
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21 rs->u[3] = U64x(2a2717b5,a7b7b927);
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22 }
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23
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24 #endif