Consult how to keep two decimal, float value addition subtraction, and so on, is sure to get the right result? thank you

CodePudding user response:

You have to define the "correct", such as to how many decimal places

CodePudding user response:

reference 1/f, play big shoot early nuclear response:

you have to define the "correct", such as to how many decimal places

Such as the two? How to do?

CodePudding user response:

Accuracy of floating point Numbers are, let alone to ensure that the results of operation after the "right", you are a single definition of a float variable and its value is not necessarily "right",
Int main (void)
{
Float a=123456789.0 f;
STD: : cout & lt; }
This code runs a try,