/*
 * $Source: /afs/sipb.mit.edu/project/sipbsrc/src/xscreensaver/RCS/scaling.h,v $
 * $Author: jik $
 * $Header: /afs/sipb.mit.edu/project/sipbsrc/src/xscreensaver/RCS/scaling.h,v 1.4 89/02/28 06:55:26 jik Exp $
 *
 * This file is part of xscreensaver.  It contains the declarations
 * for the code in scaling.c.
 * 
 * Author: Jonathan Kamens, MIT Project Athena and
 *                          MIT Student Information Processing Board
 *
 * Copyright (c) 1989 by Jonathan Kamens.  This code may be
 * distributed freely as long as this notice is kept intact in its
 * entirety and every effort is made to send all corrections and
 * improvements to the code back to the author.  Also, don't try to
 * make any money off of it or pretend that you wrote it.
 */

extern double cm_per_pixel_x, cm_per_pixel_y;
extern double cm_x(), cm_y();
extern double line_length_cm();
extern int calc_delay();