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Mail Archives: djgpp/1999/05/16/17:55:26.1

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Date: Sun, 16 May 1999 23:52:20 +0200
To: djgpp AT delorie DOT com
From: Dlanor Blytkerchan <dlanor AT dds DOT nl>
Subject: Re: ** Random error **
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>Can somebody tell how I do to set the variable "int i" to a random number
>from 1 to x?
Try this macro:

#define rnd(x,y) ((random()/RAND_MAX)*(y-x) + x);

include stdlib and it should work like this

int my_random_number = (int)rnd(1, my_top_number);

Greetz!

Dlanor

NB: sometimes, using rand() is recommended over using random(). Why is not
entirly clear, look it up in libc.


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