Markus Armbruster
39c26f4238
random() may yield different pseudo-random number sequences for the
same seed on another system. For instance, at least some versions of
MinGW provide a random() in -liberty that differs from traditional BSD
(see commit c8231b12). Rather inconvenient for regression testing.
MT19937 Mersenne Twister is a proven, high-quality PRNG. Actual code
is reference code provided by the inventors[*]. Quick tests show
performance comparable to random().
Like random(), MT is not cryptographically secure: observing enough of
its output permits guessing its state, and thus its future output. I
don't think players can do that.
Drop the copy of BSD random() we added for Windows.
Like the previous commit, this changes the server's die rolls, and
makes fairland create a different random map for the same seed. Update
expected smoke test results accordingly.
[*] mt19937ar.sep.tgz downloaded from
http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/MT2002/emt19937ar.html
21 lines
293 B
Text
21 lines
293 B
Text
add 1 1 1 p
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newcap 1 14,8
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add 2 2 2 p
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newcap 2 58,8
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newcap 3 39,25
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newcap 4 46,16
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newcap 5 7,29
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newcap 6 23,23
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newcap 7 39,5
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newcap 8 57,23
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newcap 9 26,0
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newcap 10 6,18
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add 11 visitor visitor v
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