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- /* Copyright (c) 1992 The Geometry Center; University of Minnesota
- 1300 South Second Street; Minneapolis, MN 55454, USA;
-
- This file is part of geomview/OOGL. geomview/OOGL is free software;
- you can redistribute it and/or modify it only under the terms given in
- the file COPYING, which you should have received along with this file.
- This and other related software may be obtained via anonymous ftp from
- geom.umn.edu; email: software@geom.umn.edu. */
-
- /* Authors: Charlie Gunn, Pat Hanrahan, Stuart Levy, Tamara Munzner, Mark Phillips */
-
- #include "transform3.h"
-
- /*-----------------------------------------------------------------------
- * Function: Tm3Conjugate
- * Description: conjugate one transform by another
- * Args: T: one transform ("conjugatee") (INPUT)
- * Tcon: another transform ("conjugater") (INPUT)
- * Tres: the result
- * Returns: nothing
- * Author: mbp
- * Date: Thu Aug 8 15:42:41 1991
- * Notes: Sets Tres = Inverse[Tcon} * T * Tcon
- */
- void
- Tm3Conjugate( T, Tcon, Tres )
- Transform3 T, Tcon, Tres;
- {
- Transform3 Tconinv;
-
- /* We actually use adjoint instead of inverse, because the det
- factors would cancel out anyway */
- Tm3Adjoint( Tcon, Tconinv );
- Tm3Concat( Tconinv, T, Tres );
- Tm3Concat( Tres, Tcon, Tres );
- }
-