mirror of https://github.com/GNOME/gimp.git
32 lines
1.1 KiB
C
32 lines
1.1 KiB
C
|
/* vector2d
|
||
|
* Copyright (C) 1998 Jay Cox <jaycox@earthlink.net>
|
||
|
*
|
||
|
* 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 __VECTOR2D_H__
|
||
|
#define __VECTOR2D_H__
|
||
|
|
||
|
typedef struct _vector2d
|
||
|
{
|
||
|
double x, y;
|
||
|
} vector2d;
|
||
|
|
||
|
void vector2d_set (vector2d *v, double x, double y);
|
||
|
double vector2d_dot_product (vector2d *v1, vector2d *v2);
|
||
|
double vector2d_magnitude (vector2d *v);
|
||
|
|
||
|
#endif /* __VECTOR2D_H__ */
|