What's the purpose of function returning only 1 in Frugal algorithm ?

[thomas-chauvet]

Hi,

There is a function in frugal algorithm which returns only 1, in other part of the code there is only multiplication with this function. Is this really useful ?

Thanks!

Code part:

streaminer/src/main/java/org/streaminer/stream/quantile/Frugal2U.java

Line 113 in e92047c

int f(int step) {