Quadratic equation of the solution in a program, whether b * b - 4 ac is equal to zero, why want to use up to less than a certain number of absolute value, cannot be directly judged whether is equal to zero,
Results with zero judgment is wrong, why?
Thanks for your bosses!

CodePudding user response:

I hope it can help you: https://blog.csdn.net/it_xiangqiang/category_10581430.html
I hope it can help you: https://blog.csdn.net/it_xiangqiang/category_10768339.html