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Rename PRNG

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Abdelrahman Said
2026-06-26 15:49:10 +01:00
parent e4c1068281
commit cdca775681
3 changed files with 15 additions and 15 deletions
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src/prng/xorshift/xorshift.c
+5 -5
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@@ -17,7 +17,7 @@ wp_intern u64 split_mix_64(SplitMix64State *state);
wp_intern void seed_os_generator(void); wp_intern void seed_os_generator(void);
wp_intern u64 generate_random_number(void); wp_intern u64 generate_random_number(void);
XOR256State wapp_prng_xorshift_init_state(void) { WpXor256State wpPrngXorshiftInit(void) {
wp_persist b8 seeded = false; wp_persist b8 seeded = false;
if (!seeded) { if (!seeded) {
seeded = true; seeded = true;
@@ -26,7 +26,7 @@ XOR256State wapp_prng_xorshift_init_state(void) {
SplitMix64State sm64 = {.seed = generate_random_number()}; SplitMix64State sm64 = {.seed = generate_random_number()};
return (XOR256State){ return (WpXor256State){
.x = split_mix_64(&sm64), .x = split_mix_64(&sm64),
.y = split_mix_64(&sm64), .y = split_mix_64(&sm64),
.z = split_mix_64(&sm64), .z = split_mix_64(&sm64),
@@ -34,7 +34,7 @@ XOR256State wapp_prng_xorshift_init_state(void) {
}; };
} }
u64 wapp_prng_xorshift_256(XOR256State *state) { u64 wpPrngXorshift256(WpXor256State *state) {
u64 t = state->x ^ (state->x << 11); u64 t = state->x ^ (state->x << 11);
state->x = state->y; state->x = state->y;
@@ -45,7 +45,7 @@ u64 wapp_prng_xorshift_256(XOR256State *state) {
return state->w; return state->w;
} }
u64 wapp_prng_xorshift_256ss(XOR256State *state) { u64 wpPrngXorshift256ss(WpXor256State *state) {
const u64 result = rol64(state->z * 5, 7) * 9; const u64 result = rol64(state->z * 5, 7) * 9;
const u64 t = state->z << 17; const u64 t = state->z << 17;
@@ -60,7 +60,7 @@ u64 wapp_prng_xorshift_256ss(XOR256State *state) {
return result; return result;
} }
u64 wapp_prng_xorshift_256p(XOR256State *state) { u64 wpPrngXorshift256p(WpXor256State *state) {
const u64 result = state->w + state->x; const u64 result = state->w + state->x;
const u64 t = state->z << 17; const u64 t = state->z << 17;
src/prng/xorshift/xorshift.h
+6 -6
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@@ -10,18 +10,18 @@
BEGIN_C_LINKAGE BEGIN_C_LINKAGE
#endif // !WP_PLATFORM_CPP #endif // !WP_PLATFORM_CPP
typedef struct XOR256State XOR256State; typedef struct WpXor256State WpXor256State;
struct XOR256State { struct WpXor256State {
u64 x; u64 x;
u64 y; u64 y;
u64 z; u64 z;
u64 w; u64 w;
}; };
XOR256State wapp_prng_xorshift_init_state(void); WpXor256State wpPrngXorshiftInit(void);
u64 wapp_prng_xorshift_256(XOR256State *state); u64 wpPrngXorshift256(WpXor256State *state);
u64 wapp_prng_xorshift_256ss(XOR256State *state); u64 wpPrngXorshift256ss(WpXor256State *state);
u64 wapp_prng_xorshift_256p(XOR256State *state); u64 wpPrngXorshift256p(WpXor256State *state);
#ifdef WP_PLATFORM_CPP #ifdef WP_PLATFORM_CPP
END_C_LINKAGE END_C_LINKAGE
src/uuid/uuid.c
+4 -4
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@@ -28,17 +28,17 @@ WpUuid *wpUuidInitUuid4(WpUuid *uuid) {
} }
wp_intern UUID4 generate_uuid4(void) { wp_intern UUID4 generate_uuid4(void) {
wp_persist XOR256State state = {0}; wp_persist WpXor256State state = {0};
wp_persist b8 initialised = false; wp_persist b8 initialised = false;
if (!initialised) { if (!initialised) {
initialised = true; initialised = true;
state = wapp_prng_xorshift_init_state(); state = wpPrngXorshiftInit();
} }
UUID4 uuid = (UUID4){ UUID4 uuid = (UUID4){
.high = wapp_prng_xorshift_256(&state), .high = wpPrngXorshift256(&state),
.low = wapp_prng_xorshift_256(&state), .low = wpPrngXorshift256(&state),
}; };
uuid.high = (uuid.high & 0xffffffffffff0fff) | 0x0000000000004000; uuid.high = (uuid.high & 0xffffffffffff0fff) | 0x0000000000004000;