ceph/src/erasure-code/jerasure/gf-complete/include/gf_rand.h

   1 /*
   2  * GF-Complete: A Comprehensive Open Source Library for Galois Field Arithmetic
   3  * James S. Plank, Ethan L. Miller, Kevin M. Greenan,
   4  * Benjamin A. Arnold, John A. Burnum, Adam W. Disney, Allen C. McBride.
   5  *
   6  * gf_rand.h
   7  *
   8  * Random number generation, using the "Mother of All" random number generator.  */
   9
  10 #pragma once
  11 #include <stdint.h>
  12 #include <stdio.h>
  13 #include <stdlib.h>
  14
  15 /* These are all pretty self-explanatory */
  16 uint32_t MOA_Random_32();
  17 uint64_t MOA_Random_64();
  18 void     MOA_Random_128(uint64_t *x);
  19 uint32_t MOA_Random_W(int w, int zero_ok);
  20 void MOA_Fill_Random_Region (void *reg, int size);   /* reg should be aligned to 4 bytes, but
  21                                                         size can be anything. */
  22 void     MOA_Seed(uint32_t seed);