fixes #43, only use float128 if available
fixes #43, only use float128 if available

rlpy/rlpy,imanolarrieta/RL,imanolarrieta/RL,MDPvis/rlpy,imanolarrieta/RL,MDPvis/rlpy,BerkeleyAutomation/rlpy,silgon/rlpy,BerkeleyAutomation/rlpy,rlpy/rlpy,silgon/rlpy,rlpy/rlpy,BerkeleyAutomation/rlpy,MDPvis/rlpy,silgon/rlpy