28 lines
759 B
C
28 lines
759 B
C
|
#include <stdio.h>
|
||
|
|
#include <math.h>
|
||
|
|
#include <complex.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
|
||
|
|
int main(int argc, char **argv){
|
||
|
|
|
||
|
|
if(argc<3){
|
||
|
|
printf("not enough args! Ex: ./abc 12 -3 5\n");
|
||
|
|
exit(EXIT_FAILURE);
|
||
|
|
}
|
||
|
|
double a = atoi(argv[1]);
|
||
|
|
double b = atoi(argv[2]);
|
||
|
|
double c = atoi(argv[3]);
|
||
|
|
|
||
|
|
printf("(%f)x²+(%f)x+(%f)=0\n", a, b, c);
|
||
|
|
double l1 = 0, l2 = 0;
|
||
|
|
double cl1 = 0, cl2 = 0;
|
||
|
|
l1=(-b + sqrt((b*b)-(4*a*c)))/(2*a);
|
||
|
|
l2=(-b - sqrt((b*b)-(4*a*c)))/(2*a);
|
||
|
|
cl1=(-b + csqrt((b*b)-(4*a*c)))/(2*a);
|
||
|
|
cl2=(-b - csqrt((b*b)-(4*a*c)))/(2*a);
|
||
|
|
printf("(-%.0f (+-) sqrt[(%.0f²)-(4*%.0f*%.0f)])/2*%.0f\n", b, b, a, c, a);
|
||
|
|
printf("x1=%f x2=%f\n", l1, l2);
|
||
|
|
printf("(complex mode)\nx1=%fi\tx2=%fi\n", cl1, cl2);
|
||
|
|
return 0;
|
||
|
|
}
|