[issue14591] Value returned by random.random() out of valid range

[Mark Dickinson]

Mark Dickinson <dickinsm at gmail.com> added the comment:

Patch looks good to me.

There's one other subtle bug in random_jumpahead, which is that it's not guaranteed that the resulting state is nonzero.  The way to fix this is to add a line like the one near the end of the 'init_by_array' function.

mt[0] = 0x80000000UL; /* MSB is 1; assuring non-zero initial array */

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nosy: +mark.dickinson

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