In scientific notation in the operation, why I used the wrong, after double instead with the float results correctly, a double can represent the number should not be greater than float range?

CodePudding user response:

Can only say that you understand the word "right" and the engineers have an understanding of the difference,

CodePudding user response:

Take a look at your source code

CodePudding user response:

Floating-point format http://bbs.csdn.net/topics/390676437
In addition, please open the float. H file to read it again