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Re: [Random] uniform_01

by Anton Daneyko :: Rate this Message:

Indeed this vague mention leaves you with no idea of weather you can use that or not. It would be great if this note would be made more verbose.

On Thu, Jul 9, 2009 at 1:59 PM, Robert Patterson <riap2@...> wrote:

Hi,

I was looking at the docs for the uniform_01 distribution:

http://www.boost.org/doc/libs/1_39_0/libs/random/random-distributions.html#uniform_01

I read the following note
"Note: The current implementation is buggy, because it may not fill all
of the mantissa with random bits."

I do not understand the problem. I looked at the code, which does what
I expect. Why is it a problem if some of the mantissa bits are not
'random'? As I understand the requirement is the real numbers are
uniformly distributed; the bit patterns should not matter provided they
represent numbers with the right mathematical properties.

Thanks

Robert Patterson

http://como.cheng.cam.ac.uk/index.php?Page=People&Section=riap2

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