Description: Checks if the input value is a float number and shuts down the application if not.
Parameter:
- val: Input value to check.
- allowEmpty: Set to true if you want to allow empty strings.
- returnNoDie: Set to true if you want to return (instead of aborting the program) when an error in the input is found.
Returns:
- The input value if it's a float number or false on an error.
root
2016-04-19
