libclaw-tween1v5 1.7.4-1 (s390x binary) in ubuntu artful

 Part of the libclaw library.
 .
 Tween is a C++ library providing an implementation for tweening.
 .
 This library allows one to interpolate the intermediate values between
 two given values during a time interval. This practice is well used in
 animation and is widely popular in the context of ActionScript/Flash
 games and websites. The goal of this library is to provide similar
 functionalities to C++ programs.