Difference between revisions of "Rn2"
Jump to navigation
Jump to search
Ray Chason (talk | contribs) (Correct formula for mean) |
Ray Chason (talk | contribs) m (Category: Random number functions) |
||
| Line 13: | Line 13: | ||
{{stub}} | {{stub}} | ||
[[Category:Annotations]] | [[Category:Annotations]] | ||
| + | [[Category:Random number functions]] | ||
Revision as of 23:51, 1 February 2011
| rn2(x) | |
|---|---|
 Probability mass function of rn2(10). | |
| Distribution | uniform |
| Mean | 
|
| Standard deviation | 
|
rn2(x)[1] is a pseudo-random number function used in NetHack when a result should be unweighted. The range of values is between 0 and x-1 inclusive (that is, 0<=rn2(x)<x).
For example, to simulate a percentage chance:
if (rn2(100) < chance) { ... }
See also rn1.
References
- This page is a stub. Should you wish to do so, you can contribute by expanding this page.
