Greetings
Lili Zhang noticed a misleading comment located near line 233 of
dihedral_class2.cpp:
// addition by Andrew Jewett, Jan 2013
// adjust the sign of phi if necessary for negative input angles
// n123 = vb2 x vb1
It should be
// n123 = vb1 x vb2
Other than the comment, which is confusing, the code still appears to
behave correctly. (I tested the Jan 20th 2014 version of the code
yesterday.)
Cheers
Andrew