3 ms·
The answer is: "If it matters to you, you should not be doing FP math."
The answer is: "If it matters to you, you should not be doing FP math."
Well.. IEEE754 have well defined behavior and detail reasoning.
If it matter to you, you may still want FP math
If that .000...004 matters to you, your application requires more precision than is available from the IEEE 64 bit double.