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Fix error in quadratic solver

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This commit is contained in:
Nikita Lisitsa 2020-11-04 10:30:37 +03:00
parent 1bb5f6977f
commit e8219b7139
1 changed files with 1 additions and 1 deletions
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libs/geom/include/psemek/geom/math.hpp
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@ -40,7 +40,7 @@ namespace psemek::geom
auto const D = b * b - 4 * a * c; auto const D = b * b - 4 * a * c;
if (D < 0) return std::nullopt; if (D < 0) return std::nullopt;
auto t = - (b + (b > 0 ? 1 : -1) * std::sqrt(D)); auto t = - (b + (b > 0 ? 1 : -1) * std::sqrt(D)) / 2;
auto x1 = t / a; auto x1 = t / a;
auto x2 = c / t; auto x2 = c / t;