Difference between revisions of "Rn1"
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{{randomvariable|name=rn1(x,y)|graph=rn1.svg|caption=[[wikipedia:Probability mass function|Probability mass function]] of rn1(10,5).|distribution=[[Wikipedia:discrete uniform distribution|uniform]]|mean=<math>(x-1)/2+y</math>|stddev=<math>\sqrt{(x^2-1)/12}</math>}} | {{randomvariable|name=rn1(x,y)|graph=rn1.svg|caption=[[wikipedia:Probability mass function|Probability mass function]] of rn1(10,5).|distribution=[[Wikipedia:discrete uniform distribution|uniform]]|mean=<math>(x-1)/2+y</math>|stddev=<math>\sqrt{(x^2-1)/12}</math>}} | ||
− | rn1(x, y) | + | rn1(x, y){{refsrc|hack.h|291}} is a pseudo-random number macro used in NetHack when a result should be unweighted. It is equivalent to ''rn2(x) + y''. The range of values is between y and y+x-1 inclusive (that is, y<=rn1(x,y)<x+y). |
See also [[rn2]]. | See also [[rn2]]. |
Revision as of 00:12, 22 September 2012
rn1(x,y) | |
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Distribution | uniform |
Mean | |
Standard deviation |
rn1(x, y)[1] is a pseudo-random number macro used in NetHack when a result should be unweighted. It is equivalent to rn2(x) + y. The range of values is between y and y+x-1 inclusive (that is, y<=rn1(x,y)<x+y).
See also rn2.
References
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