Re: [PATCH 1/2] simple random data generator for tests

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On Wed, 11 Apr 2007, Shawn O. Pearce wrote:

> Nicolas Pitre <nico@xxxxxxx> wrote:
> > ---
> >  Makefile         |    7 +++++--
> >  test-genrandom.c |   34 ++++++++++++++++++++++++++++++++++
> >  2 files changed, 39 insertions(+), 2 deletions(-)
> >  create mode 100644 test-genrandom.c
> 
> A change to .gitignore would also be nice.  ;-)

Gah!

> > +	unsigned long count, next = 0;
> 
> What about wraparound?  Could this produce different results on a
> 32 bit system and a 64 bit system, due to the difference in size
> of unsigned long?

No, because the bits we extract are below 32 bits, and the multiply 
operation will always provide the same results in the low 32 bits 
regardless.


Nicolas
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