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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Random-numbers/Pascal/random-numbers.pas Normal file
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function rnorm (mean, sd: real): real;
{Calculates Gaussian random numbers according to the Box-Müller approach}
var
u1, u2: real;
begin
u1 := random;
u2 := random;
rnorm := mean * abs(1 + sqrt(-2 * (ln(u1))) * cos(2 * pi * u2) * sd);
/* error !?! Shouldn't it be "mean +" instead of "mean *" ? */
end;