13 lines
376 B
OCaml
13 lines
376 B
OCaml
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let get_pi throws =
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let rec helper i count =
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if i = throws then count
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else
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let rand_x = Random.float 2.0 -. 1.0
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and rand_y = Random.float 2.0 -. 1.0 in
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let dist = sqrt (rand_x *. rand_x +. rand_y *. rand_y) in
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if dist < 1.0 then
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helper (i+1) (count+1)
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else
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helper (i+1) count
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in float (4 * helper 0 0) /. float throws
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