wip implemented new union for solve
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70
src/solver.c
70
src/solver.c
@@ -69,32 +69,43 @@ static int find_gcd(double numerator, double denominator)
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}
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/*
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e_delta_sign delta_sign; // DELTA_PLUS or DELTA_MINUS or DELTA_ZERO
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double delta_absolute; // |Δ| == |b² - 4ac|
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int first_term_gcd; // gcd(b, 2a)
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int first_term_numerator; // -b / gcd
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int first_term_denominator; // 2a / gcd
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double first_term; // double (-b / 2a)
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int second_term_gcd; // gcd(√|Δ|, 2a)
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int second_term_numerator; // √|Δ| / gcd
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int second_term_denominator; // 2a / gcd
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double second_term; // double (√|Δ| / 2a)
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double solution1; // first_term + second_term
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double solution2; // first_term - second_term
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typedef struct
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{
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double a; // a in "ax + b"
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double b; // b in "ax + b"
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int solution_gcd; // gcd(b, a)
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int solution_numerator; // -b / gcd
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int solution_denominator; // a / gcd
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double solution; // double (-b / a)
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} s_solution_degree_1;
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*/
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/*
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typedef struct
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{
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double a; // a in "ax² + bx + c"
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double b; // b in "ax² + bx + c"
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double c; // c in "ax² + bx + c"
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e_delta_sign delta_sign; // DELTA_PLUS or DELTA_MINUS or DELTA_ZERO
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double delta_absolute; // |Δ| == |b² - 4ac|
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int first_term_gcd; // gcd(b, 2a)
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int first_term_numerator; // -b / gcd
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int first_term_denominator; // 2a / gcd
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double first_term; // double (-b / 2a)
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int second_term_gcd; // gcd(√|Δ|, 2a)
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int second_term_numerator; // √|Δ| / gcd
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int second_term_denominator; // 2a / gcd
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double second_term; // double (√|Δ| / 2a)
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double solution1; // first_term + second_term
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double solution2; // first_term - second_term (not if DELTA_ZERO)
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} s_solution_degree_2;
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*/
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void solve(const s_polynom *polynom, s_solution *solution)
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static void solve_degree_2(s_solution_degree_2 *solution, double a, double b, double c)
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{
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double delta;
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double a;
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double b;
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double c;
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a = polynom[2].coefficient;
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b = polynom[1].coefficient;
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c = polynom[0].coefficient;
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delta = b * b - 4 * a * c;
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solution->delta_sign = ft_sign_f(delta);
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solution->delta_sign = ft_fsign(delta);
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solution->delta_absolute = ft_fabs(delta);
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solution->first_term_gcd = find_gcd(b, 2 * a);
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solution->first_term_numerator = -b / solution->first_term_gcd;
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@@ -114,3 +125,22 @@ void solve(const s_polynom *polynom, s_solution *solution)
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// solution->solution2 = 0.0;
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// }
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}
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void solve(const s_polynom *polynom, s_solution *solution)
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{
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double a;
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double b;
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double c;
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if (solution->degree == 1)
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{
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}
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else if (solution->degree == 2)
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{
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a = polynom[0].coefficient;
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b = polynom[1].coefficient;
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c = polynom[2].coefficient;
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solve_degree_2(&solution->solution_degree_2, a, b, c);
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}
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}
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