On 10/14/2012 11:11 PM, Mans Rullgard wrote:
> For a sample size of 32 bits, the shift would overflow producing
> undefined results.  Incidentally, in the only test currently using
> 32-bit samples, the output matches the reference exactly on most
> systems meaning the bad 'max' value is never used.
> 
> Signed-off-by: Mans Rullgard <[email protected]>
> ---
>  tests/tiny_psnr.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tests/tiny_psnr.c b/tests/tiny_psnr.c
> index a53a670..b1bcc16 100644
> --- a/tests/tiny_psnr.c
> +++ b/tests/tiny_psnr.c
> @@ -146,7 +146,7 @@ int main(int argc, char *argv[])
>          }
>      }
>  
> -    max = (1 << (8 * len)) - 1;
> +    max = (1LL << (8 * len)) - 1;
>  
>      f[0] = fopen(argv[1], "rb");
>      f[1] = fopen(argv[2], "rb");

LGTM

-Justin

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