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Fix random::normal_distribution: actually use mean & stddev instead of always generating N(0,1)

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This commit is contained in:
Nikita Lisitsa 2024-02-05 13:32:35 +03:00
parent 04443b1e3a
commit 752593a589
1 changed files with 2 additions and 2 deletions
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4
libs/random/include/psemek/random/normal.hpp
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@ -64,8 +64,8 @@ namespace psemek::random
T const r = std::sqrt(- 2 * std::log(u1));
T const th = 2 * geom::pi * u2;
T const z1 = r * std::cos(th);
T const z2 = r * std::sin(th);
T const z1 = mean_ + stddev_ * r * std::cos(th);
T const z2 = mean_ + stddev_ * r * std::sin(th);
cached_ = z2;
return z1;