KeyFile.getDouble

double getDouble(string groupName, string key)

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 error is set to G_KEY_FILE_ERROR_KEY_NOT_FOUND. Likewise, if the value associated with key cannot be interpreted as a double then 0.0 is returned and error is set to G_KEY_FILE_ERROR_INVALID_VALUE.

Parameters

`groupName`	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.

Throws

[KeyFileException]