c-basic/abc.c

28 lines
759 B
C
Raw Normal View History

2022-11-24 21:04:54 +01:00
#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;
}