NREL/EnergyPlus — pull request #4549 by Myoldmopar (2014-10-20 16:31:52+00:00)
Title: Psychrometric caching

Implemented caching on additional psychrometric functions and cleaned
up Psychometrics.[hh,cc] in general. Also changed array allocation in
PlantLoopSolver::SimulateLoopSideBranchGroup to improve performance.