# FreeBSD Manual Pages

```sc::SymmetryOperation(3)	     MPQC	      sc::SymmetryOperation(3)

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
Generated automatically by Doxygen for MPQC from	the source code.

Version	2.3.1			Sun Aug	30 2020	      sc::SymmetryOperation(3)
```

NAME | SYNOPSIS | Detailed Description | Author

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