I have a some items that I want to partition in to a number of buckets, such that each bucket is some fraction larger than the last.
items = 500
chunks = 5
increment = 0.20
{- find the proportions -}
sizes = take chunks (iterate (+increment) 1)
base = sum sizes / items
buckets = map (base *) sizes
main = print buckets
I'm sure there is a mathematically more elegant way to do this, but that's not my question. The end step is always printing out in scientific notation.
How do I get plain decimal output? I've looked at the Numeric package but I'm getting nowhere fast.
> putStrLn $ Numeric.showFFloat Nothing 1e40 ""
10000000000000000000000000000000000000000.0
Try printf. e.g.:
> import Text.Printf
> printf "%d\n" (23::Int)
23
> printf "%s %s\n" "Hello" "World"
Hello World
> printf "%.2f\n" pi
3.14
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