6 Answered Questions for the topic floating point
How dangerous is it to compare floating point values?
I know `UIKit` uses `CGFloat` because of the resolution independent coordinate system.But every time I want to check if for example `frame.origin.x` is `0` it makes me feel sick: if... more
How do I check if a string is a number (float)?
What is the best possible way to check if a string can be represented as a number in Python? The function I currently have right now is: def is_number(s): try: float(s) ... more
Is floating point math broken?
Consider the following code:<!-- language: lang-js --> 0.1 + 0.2 == 0.3 -> false<!-- language: lang-js --> 0.1 + 0.2 -> 0.30000000000000004 Why do these... more
How do I parse a string to a float or int in Python?
In Python, how can I parse a numeric string like `"545.2222"` to its corresponding float value, `545.2222`? Or parse the string `"31"` to an integer, `31`?I just want to know how to parse a *float*... more
Why is division in Ruby returning an integer instead of decimal value?
For example: 9 / 5 #=> 1but I expected `1.8`. How can I get the correct decimal (non-integer) result? Why is it returning `1` at all?