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hugogogo
2026-05-13 23:27:50 +02:00
parent b0e6483a68
commit 7978f0d706
8 changed files with 103 additions and 87 deletions
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25
src/solver.c
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@@ -34,27 +34,10 @@ static void solve_degree_2(s_solution_degree_2 *solution, double a, double b, do
delta_sqrt = solution->delta_sqrt;
// terms
solution->first_term = positiv_zero(-b / (2 * a)); // -b / 2a
solution->second_term = positiv_zero(delta_sqrt / 2 * a); // √|Δ| / 2a
// solution
solution->solution1 = solution->first_term; // first_term + second_term
if (solution->delta_sign == DELTA_ZERO)
{
solution->solution1 = positiv_zero(solution->first_term); // -b / 2a
solution->solution2 = NAN; // NAN (no solution)
}
else if (solution->delta_sign == DELTA_PLUS)
{
solution->solution1 = positiv_zero(solution->first_term + solution->second_term); // -b / 2a + √Δ / 2a
solution->solution2 = positiv_zero(solution->first_term - solution->second_term); // -b / 2a - √Δ / 2a
}
else if (solution->delta_sign == DELTA_MINUS)
{
// no real solution, but can output irreal solution with 'i'
solution->solution1 = NAN;
solution->solution2 = NAN;
}
if (b)
solution->first_term = positiv_zero(-b / (2 * a)); // -b / 2a
if (delta)
solution->second_term = positiv_zero(delta_sqrt / 2 * a); // √|Δ| / 2a
}
void solve(const s_polynom *polynom, s_solution *solution)