dm1sh/polynomial_interpolation
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Fixed polynomial print sign of first element

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Dmitriy Shishkov 2021-10-31 16:56:49 +03:00
parent c0c5e219ea
commit f08e2e6b35
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GPG Key ID: 14358F96FCDD8060
1 changed files with 3 additions and 3 deletions
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main.c
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@ -57,7 +57,7 @@ void simplify_polynomial(double *res, double *el_coef, double *x, unsigned int n
} }
} }
/* `res` is an array of coefficients of polynomial which is multiplied with (x - `root`) polynomial /* `res` is an array of coefficients of polynomial, which is multiplied with (x - `root`) polynomial.
`power` is the power of `res` polynomial */ `power` is the power of `res` polynomial */
void mult_by_root(double *res, double root, unsigned int power) void mult_by_root(double *res, double root, unsigned int power)
{ {
@ -145,7 +145,7 @@ void print_array(double *arr, unsigned int n)
void print_poly(double *coef, unsigned int n) void print_poly(double *coef, unsigned int n)
{ {
printf("Simplified polynom:\n"); printf("Simplified polynomial:\n");
for (int i = 0; i < n; i++) for (int i = 0; i < n; i++)
{ {
@ -156,7 +156,7 @@ void print_poly(double *coef, unsigned int n)
printf("+ "); printf("+ ");
else else
printf("- "); printf("- ");
else else if (coef[i] < 0)
printf("-"); printf("-");
printf("%lf", fabs(coef[i])); printf("%lf", fabs(coef[i]));