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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpcoords.h
* Copyright (C) 2002 Simon Budig <simon@gimp.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __GIMP_COORDS_H__
#define __GIMP_COORDS_H__
void gimp_coords_mix (const gdouble amul,
const GimpCoords *a,
const gdouble bmul,
const GimpCoords *b,
GimpCoords *ret_val);
void gimp_coords_average (const GimpCoords *a,
const GimpCoords *b,
GimpCoords *ret_average);
void gimp_coords_add (const GimpCoords *a,
const GimpCoords *b,
GimpCoords *ret_add);
void gimp_coords_difference (const GimpCoords *a,
const GimpCoords *b,
GimpCoords *difference);
void gimp_coords_scale (const gdouble f,
const GimpCoords *a,
GimpCoords *ret_product);
gdouble gimp_coords_scalarprod (const GimpCoords *a,
const GimpCoords *b);
gdouble gimp_coords_length (const GimpCoords *a);
gdouble gimp_coords_length_squared (const GimpCoords *a);
gboolean gimp_coords_equal (const GimpCoords *a,
const GimpCoords *b);
#endif /* __GIMP_COORDS_H__ */
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