Add convenient `clamped` method to FloatingPoint.
Add convenient `clamped` method to FloatingPoint.

vector-im/riot-ios,vector-im/riot-ios,vector-im/riot-ios,vector-im/riot-ios,vector-im/vector-ios,vector-im/riot-ios,vector-im/riot-ios,vector-im/vector-ios,vector-im/vector-ios