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Altera_Forum
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13 years ago

Generate a random number with C

Hi, i would like to know how to generate a random number by using C. I wrote the following code : srand(time(NULL)); int x = rand()%(4-1)+1; printf("%d", x); However, the generate...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

If you don't need a very good random number (and rand() doesn't give you one of those - especially seeded from time()), and you code isn't running a really well determined time after fpga reset, you might get a good enough number by having counted the clocks since reset and using that instead.