source: abuse/tags/pd/imlib/include/jrand.hpp

Last change on this file was 49, checked in by Sam Hocevar, 11 years ago
  • Imported original public domain release, for future reference.
File size: 371 bytes
Line 
1#ifndef __JRAND_HPP_
2#define __JRAND_HPP_
3
4#define RAND_TABLE_SIZE 1024
5extern unsigned short rtable[RAND_TABLE_SIZE];     // can be used directly when
6extern unsigned short rand_on;                     // speed is of essence
7
8void jrand_init();
9inline unsigned short jrand() { return rtable[(rand_on++)&(RAND_TABLE_SIZE-1)]; }
10#define jrandom(x) (jrand()%(x))
11
12#endif
13
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