In numpy/random/mtrand/randomkit.c on line 159, the initial mersenne twister key (populated from /dev/urandom) gets bit-wise and'ed with 0xffffffff. I'm just curious as why this is done. A bit-wise and with all ones should just give you your original quantity back, right? I don't think there is a problem since the operation doesn't really do anything, and the same thing exists in the mersenne twister reference code, but I am curious as to why it is even there in the first place. Thanks for any thoughts.
Regards, Mike _______________________________________________ Numpy-discussion mailing list Numpy-discussion@scipy.org http://projects.scipy.org/mailman/listinfo/numpy-discussion
