[Random] uniform_01

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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