NAME

       sc::SymmetryOperation - The SymmetryOperation class provides a 3 by 3 matrix
       representation of a symmetry operation, such as a rotation or reflection.

SYNOPSIS

       #include <pointgrp.h>

   Public Member Functions
       SymmetryOperation (const SymmetryOperation &)
       double trace () const
           returns the trace of the transformation matrix
       double * operator[] (int i)
           returns the i'th row of the transformation matrix
       const double * operator[] (int i) const
           const version of the above
       double & operator() (int i, int j)
           returns a reference to the (i,j)th element of the transformation matrix
       double operator() (int i, int j) const
           const version of the above
       void zero ()
           zero out the symop
       SymmetryOperation operate (const SymmetryOperation &r) const
           This operates on this with r (i.e. return r * this).
       SymmetryOperation transform (const SymmetryOperation &r) const
           This performs the transform r * this * r~.
       void unit ()
           Set equal to a unit matrix.
       void E ()
           Set equal to E.
       void i ()
           Set equal to an inversion.
       void sigma_h ()
           Set equal to reflection in xy plane.
       void sigma_xz ()
           Set equal to reflection in xz plane.
       void sigma_yz ()
           Set equal to reflection in yz plane.
       void rotation (int n)
           Set equal to a clockwise rotation by 2pi/n.
       void rotation (double theta)
       void c2_x ()
           Set equal to C2 about the x axis.
       void c2_y ()
           Set equal to C2 about the x axis.
       void transpose ()
       void print (std::ostream &=ExEnv::out0()) const
           print the matrix

Detailed Description

       The SymmetryOperation class provides a 3 by 3 matrix representation of a symmetry
       operation, such as a rotation or reflection.

Author

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