C高手请进
这是我在课本上看到的用来求解a*x*x+b*x+c=0方程的程序
我照着书上的键入计算机
结果显示错误
求C高手帮忙修改哈
#include <stdio.h>
#include <math.h>
void main()
{
float a,b,c,disc,x1,x2,relpart,imagpart;
scanf("%f,%f,%f",&a,&b,&c);
printf("The equation");
if(fabs(a)<=1e-6)
printf("is not a quafratic\n");
else
{
disc=b*b-4*a*c;
if(fabs(disc)<=1e-6)
printf("has two equal roots:%8.4\n",-b/(2*a));
else
if(disc>1e-6)
{
x1=(-b+sqrt(disc))/(2*a));
x2=(-b-sqrt(disc))/(2*a));
printf("has two equal roots:%8.4fand%8.4f\n",x1,x2);
}
else
{
realpart=-b/(2*a);
imagpart=sqrt(-disc)/(2*a);
printf("has complex roots:\n");
printf("%8.4f+%8.4fi\n",realpart,imagpart);
printf ("%8.4f-%8.4fi\n",realpart,imagpart);
}
}
system("pause");
}