FFmpeg
|
#include <inttypes.h>
Go to the source code of this file.
Data Structures | |
struct | FFSFC64 |
Functions | |
static uint64_t | ff_sfc64_get (FFSFC64 *s) |
static uint64_t | ff_sfc64_reverse_get (FFSFC64 *s) |
Return the previous random value, and step the generator backward. More... | |
static void | ff_sfc64_init (FFSFC64 *s, uint64_t seeda, uint64_t seedb, uint64_t seedc, int rounds) |
Initialize sfc64 with up to 3 seeds. More... | |
simple Pseudo Random Number Generator
This is a implementation of SFC64, a 64-bit PRNG by Chris Doty-Humphrey.
This Generator is much faster (0m1.872s) than 64bit KISS (0m3.823s) and PCG-XSH-RR-64/32 (0m2.700s) And passes testu01 and practrand test suits.
Definition in file sfc64.h.
|
inlinestatic |
Definition at line 41 of file sfc64.h.
Referenced by ff_sfc64_init(), and run_self_tests().
|
inlinestatic |
|
inlinestatic |