get_double

Description:

public double get_double (string group_name, string key) throws KeyFileError

Returns the value associated with key under group_name as a double.

If group_name is null, the start_group is used.

If key cannot be found then 0.0 is returned and throws is set to KEY_NOT_FOUND. Likewise, if the value associated with key cannot be interpreted as a double then 0.0 is returned and throws is set to INVALID_VALUE.

Parameters:

this	a KeyFile
group_name	a group name
key	a key

Returns:

the value associated with the key as a double, or 0.0 if the key was not found or could not be parsed.