Monte Carlo methods: Difference between revisions
m
→{{header|Haskell}}
Line 1,297:
<lang haskell>import Control.Monad (foldM, (>=>))
import Data.Functor ((<&>))
import System.Random (randomRIO)
Line 1,304 ⟶ 1,305:
monteCarloPi n =
foldM go 0 [1 .. n]
<&>
where
rnd = randomRIO (0, 1) :: IO Double
go a _ = rnd >>= (\rx -> rnd <&> flip (f rx) a)
f x y
| 1 > x ** 2 + y ** 2 = succ
| |||