42/42_EXT_05_computorv1
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fix null coefficient skipped

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This commit is contained in:
hugogogo
2026-05-14 00:08:13 +02:00
parent 7978f0d706
commit 00f380f5df
4 changed files with 39 additions and 11 deletions
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33
src/solver.c
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@@ -2,6 +2,29 @@
#include "computorv1.h"
static double get_coefficient_of_power(int power, const s_polynom *polynom)
{
int i;
double coefficient;
// if no term found with exponent, default coefficient is 0
coefficient = 0;
i = 0;
while (polynom[i].sign != TERM_SIGN_END)
{
if (polynom[i].exponent == power)
{
coefficient = polynom[i].coefficient;
break;
}
i++;
}
print_debug("- coefficient of power '%i' : %g (polynom[%i])\n", power, coefficient, i);
return coefficient;
}
static double positiv_zero(double num)
{
if (num == 0)
@@ -48,16 +71,16 @@ void solve(const s_polynom *polynom, s_solution *solution)
if (solution->degree == 1)
{
a = polynom[0].coefficient;
b = polynom[1].coefficient;
a = get_coefficient_of_power(1, polynom);
b = get_coefficient_of_power(0, polynom);
solve_degree_1(&solution->solution_degree_1, a, b);
}
else if (solution->degree == 2)
{
a = polynom[0].coefficient;
b = polynom[1].coefficient;
c = polynom[2].coefficient;
a = get_coefficient_of_power(2, polynom);
b = get_coefficient_of_power(1, polynom);
c = get_coefficient_of_power(0, polynom);
solve_degree_2(&solution->solution_degree_2, a, b, c);
}