Fix dv values being nan and infinity
Fix dv values being nan and infinity

Closes #817

JNeiger/robocup-software,RoboJackets/robocup-software,JNeiger/robocup-software,JNeiger/robocup-software,RoboJackets/robocup-software,JNeiger/robocup-software,JNeiger/robocup-software,RoboJackets/robocup-software,RoboJackets/robocup-software