AFLOW V3.1.186

[coreyoses]

2018/04/25 -
Location: http://materials.duke.edu/AFLOW/aflow.3.1.186.tar.xz
-- fixed bug in tolerance scan; was only scanning in one direction (DX)
-- created faster minimum cartesian distance calculator for skewed cells; fewer duplicate operations (DX)
(AFLOW: symmetry_spacegroup.cpp, symmetry.cpp)