gauss

#include <stdio.h>
#include <math.h>

double calka(float);
double metoda_Gaussa(double, double, double*, double*, double(float));

void main(void)
{
    double xx[10] =
     { 0.2955242247147529,
       0.2955242247147529,
       0.2692667193099963,
       0.2692667193099963,
       0.2190863625159820,
       0.2190863625159820,
       0.1494513491505806,
       0.1494513491505806,
       0.0666713443086881,
       0.0666713443086881
    };

double xy[10] =
    { -0.1488743389816312,
       0.1488743389816312,
      -0.4333953941292472,
       0.4333953941292472,
      -0.6794095682990244,
       0.6794095682990244,
      -0.8650633666889845,
       0.8650633666889845,
      -0.9739065285171717,
       0.9739065285171717
    };

    printf("Wynik: %f\n", metoda_Gaussa(1, 2, xx, xy, calka));
}

double calka(float x)
{
    return 1/log(x+1);
}
double metoda_Gaussa(double poczatek, double koniec, double *xx, double *xy, double wzor(float))
{
    double out = 0, srednia = (koniec - poczatek) / 2;
	int i=0;
    for (i; i<10;){
        out += xx[i] * wzor(((poczatek+koniec)/2)+ srednia * xy[i]);
		i++;
		}

    return out*srednia;
}