parameters: (self)
docstring: Set equal to reflection in xy plane
docstring_summary: Set equal to reflection in xy plane
docstring_tokens: Set equal to reflection in xy plane
function: def sigma_xy(self):
          """Set equal to reflection in xy plane"""
          self.unit()
          self.d[2][2] = -1.0
          self.bits = SymmOps['Sigma_xy']
function_tokens: def sigma_xy ( self ) : self . unit ( ) self . d [ 2 ] [ 2 ] = - 1.0 self . bits = SymmOps [ 'Sigma_xy' ]