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Ingy döt Net 2026-02-01 16:33:20 -08:00
parent 5150844a7d
commit 4bb20c9b71
7735 changed files with 38060 additions and 199180 deletions
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34
Task/Probabilistic-choice/Ada/probabilistic-choice.ada
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with Ada.Numerics.Float_Random; use Ada.Numerics.Float_Random;
with Ada.Text_IO; use Ada.Text_IO;
procedure Random_Distribution is
Trials : constant := 1_000_000;
type Outcome is (Aleph, Beth, Gimel, Daleth, He, Waw, Zayin, Heth);
Pr : constant array (Outcome) of Uniformly_Distributed :=
(1.0/5.0, 1.0/6.0, 1.0/7.0, 1.0/8.0, 1.0/9.0, 1.0/10.0, 1.0/11.0, 1.0);
Samples : array (Outcome) of Natural := (others => 0);
Value : Uniformly_Distributed;
Dice : Generator;
begin
for Try in 1..Trials loop
Value := Random (Dice);
for I in Pr'Range loop
if Value <= Pr (I) then
Samples (I) := Samples (I) + 1;
exit;
else
Value := Value - Pr (I);
end if;
end loop;
end loop;
-- Printing the results
for I in Pr'Range loop
Put (Outcome'Image (I) & Character'Val (9));
Put (Float'Image (Float (Samples (I)) / Float (Trials)) & Character'Val (9));
if I = Heth then
Put_Line (" rest");
else
Put_Line (Uniformly_Distributed'Image (Pr (I)));
end if;
end loop;
end Random_Distribution;