init solver

src/solver.c

@@ -0,0 +1,50 @@
+/* solver.c */
+
+#include "computorv1.h"
+
+/*
+    e_delta_sign delta_sign;              // DELTA_PLUS or DELTA_MINUS or DELTA_ZERO
+    double       delta_absolute;          // |Δ| == |b² - 4ac|
+    int          first_term_pgcd;         // pgcd(b, 2a)
+    int          first_term_numerator;    // -b / pgcd
+    int          first_term_denominator;  // 2a / pgcd
+    double       first_term;              // double (-b / 2a)
+    int          second_term_pgcd;        // pgcd(√|Δ|, 2a)
+    int          second_term_numerator;   // √|Δ| / pgcd
+    int          second_term_denominator; // 2a / pgcd
+    double       second_term;             // double (√|Δ| / 2a)
+    double       solution1;               // first_term + second_term
+    double       solution2;               // first_term - second_term
+ */
+
+void solve(const double *polynom, s_solution *solution)
+{
+    double delta;
+    double a;
+    double b;
+    double c;
+
+    a = polynom[2];
+    b = polynom[1];
+    c = polynom[0];
+    delta = b * b - 4 * a * c;
+    solution->delta_sign = ft_sign(delta);
+    solution->delta_absolute = ft_abs(delta);
+    // solution->first_term_pgcd = find_pgcd(b, 2 * a);
+    // solution->first_term_numerator = ;
+    // solution->first_term_denominator = ;
+    // solution->first_term = ;
+    // solution->second_term_pgcd = ;
+    // solution->second_term_numerator = ;
+    // solution->second_term_denominator = ;
+    // solution->second_term = ;
+    // solution->solution1 = solution->first_term;
+    // if (solution->delta_sign == DELTA_ZERO)
+    // {
+    //     solution->solution2 = ;
+    // }
+    // else
+    // {
+    //     solution->solution2 = 0.0;
+    // }
+}