[R] runmax function only for positive numbers?

[Jiucang Hao]

Hi All,

    I did a google search and could not find the answer. Thus I post this
message. I found runmax only work for positive numbers.
x = rep(-1,10)  
runmax(x,3)

x = rep(0, 10)
runmax(x,3)

for 32-bit R, i got very small numbers:  2.121996e-314
for 64-bit R, i got NaN. 

Is it a bug in runmax? or should this be included in the documentation that
runmax only for positive numbers?

however, we do have a workaround -- runmin works, thus we can do y =
-runmin(-x,3).

Thanks.

jiucang
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