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