Re: random integer
- From: CBFalconer <cbfalconer@xxxxxxxxx>
- Date: Sat, 28 Apr 2007 19:05:17 -0400
osmium wrote:
"Gene" writes:
But note that standard rand() is a very bad random number
generator.
There is no such thing as a standard rand(); something that does
not exist can not be either good or bad. Each vendor is allowed
to include whatever he thinks appropriate to the library that goes
with his compiler.
Er - See N869:
7.20.2.1 The rand function
Synopsis
[#1]
#include <stdlib.h>
int rand(void);
Description
[#2] The rand function computes a sequence of pseudo-random
integers in the range 0 to RAND_MAX.
[#3] The implementation shall behave as if no library
function calls the rand function.
Returns
[#4] The rand function returns a pseudo-random integer.
Environmental limits
[#5] The value of the RAND_MAX macro shall be at least
32767.
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