Re: [Libvisual-devel] Re: Release planning, quality release upcoming week.

[salsaman <sal...@xs...>]

salsaman wrote:

> Vitaly V. Bursov wrote:
>
>>
>> One thing: we need to borrow nice pseudo-random numbger gen algo.
>>
>> OK?
>>
>>  
>>
> You can use these two functions adapted from LiVES:
>
> static uint32_t fastrand_val;
>
> inline uint32_t fastrand(void)
> {
>  return (fastrand_val=fastrand_val*1073741789+32749);
> }
>
> void fastsrand(uint32_t seed)
> {
>        fastrand_val = seed;
> }
>
>
>
>
> Salsaman.
>


And to seed it:



#include <sys/time.h>
struct timeval tv;

 gettimeofday(&tv,NULL);
 fastsrand(tv.tv_usec);



Salsaman.